Ingredients

• 75 ml milk
• 50 ml water
• 4 g active dry yeast (or 15 g fresh yeast)
• approx. 220–250 g all-purpose flour
• 40 g butter, melted and cooled
• 1 egg (⅓ for the dough, the rest for brushing)
• ¼ tsp salt
• 1½ tbsp sugar
• 1 tbsp vanilla sugar (or ½ tsp vanilla extract)

Method

1. Warm the milk and water to about 37°C (98°F). If the liquid exceeds 45°C (113°F), the yeast may lose activity.
2. Mix the dry yeast with about half of the flour (approx. 100–110 g). Add the warm liquid and combine. Cover the bowl with a damp cloth and let the mixture rest in a warm place for about 1 hour.
3. Once the dough begins to bubble lightly and looks airy, beat the egg and add one third to the dough. Add the melted and cooled butter, remaining flour, sugar and salt.
4. Knead gently until smooth, soft and elastic. The dough should remain soft rather than dry. Add flour only if necessary.
5. Cover again and let rise for 30–45 minutes, until roughly doubled in size.
6. Divide into 8–10 equal pieces and shape into smooth balls.
7. Place on a lined or lightly greased baking tray. Let rise again for 15–20 minutes.
8. Brush with the remaining egg (you may add a little milk) and bake at 210–220°C (410–430°F) for 12–15 minutes until golden brown. Cool completely before filling.

White Chocolate Curd Cream

Ingredients
• 50 g white chocolate
• 200 g vanilla curd*
• 150 ml heavy cream

*Estonian kohupiim is a fresh curd cheese similar to quark or farmer’s cheese. If unavailable, substitute with:

• full-fat quark
• well-drained ricotta
• thick Greek yogurt (strained)

The texture should be creamy but not runny.

Method

1. Melt the white chocolate gently over a water bath. Let cool slightly and mix with the curd until smooth.
2. Whip the cream to firm peaks and fold about ⅔ of it gently into the curd mixture.
3. Reserve the remaining whipped cream for the sea buckthorn sauce.

Sea Buckthorn Sauce

Ingredients (mix together)

• approx. 50 ml reserved whipped cream
• 2–3 tbsp prepared sea buckthorn purée
• 1–2 tbsp maple syrup or honey (to taste)
• frozen sea buckthorn berries for decoration

Adjust sweetness depending on the acidity of the purée.

Assembly

1. Slice the tops off the cooled buns.
2. Optionally scoop out a small amount of the crumb.
3. Drizzle 1–2 teaspoons of sea buckthorn sauce onto the base.
4. Add a generous layer of cream (using a spoon or piping bag), drizzle a little more sauce and insert a few frozen sea buckthorn berries into the cream.
5. Replace the “lid” and dust lightly with powdered sugar.
6. Serve the same day.

This recipe is inspired by Silja Luide’s Shrove bun recipe.

For those curious

In Estonia, Shrove Tuesday traditionally marked the turning point of winter. It was believed that sledging down long hills would ensure long flax fibres for summer harvest. The longer the slide, the better the flax crop. Flax was essential in rural households, used for clothing and household textiles.

Hearty food such as pea soup and pork helped people endure the remaining winter weeks. Sweet cream-filled buns are a later addition, spreading from urban culture and the Nordic region during the 19th and 20th centuries.

The buns are closely related to the Swedish semla, historically eaten only on Shrove Tuesday, the day before Lent. An often-retold anecdote tells of Swedish King Adolf Fredrik, who died in 1771 after an exceptionally rich meal that reportedly included several semlor.

Shrove Tuesday is a movable feast determined by the date of Easter, which itself follows the spring equinox and the lunar cycle. It usually falls in February or early March, just as daylight in Northern Europe begins increasing rapidly again.

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Omega-7 refers primarily to palmitoleic acid, a monounsaturated fatty acid with a structure that sets it apart from most plant-derived lipids. While omega-3 and omega-6 fatty acids are widespread in plant metabolism and essential for seed development and energy storage, palmitoleic acid is not. Biochemically, it reflects a fatty acid synthesis pattern that plants generally don’t bother with. From an evolutionary perspective, there was simply no pressure to maintain it. As a result, it is usually present only in trace amounts—or not at all—in plant oils. 

What the name ‘palmitoleic acid’ refers to 

The name palmitoleic acid can create confusion, as it seems to imply a connection to palm oil. In reality, the name describes chemical structure, not botanical origin.

The “palmit-” part refers to palmitic acid, a saturated 16-carbon fatty acid first isolated in the 19th century from palm oil (from palma, Latin for palm). The “-oleic” part comes from oleic acid, a well-known monounsaturated fatty acid, derived from oleum, Latin for oil. Palmitoleic acid is essentially the monounsaturated version of palmitic acid: the same 16-carbon backbone, with one double bond added. The name reflects this structural relationship, not the source of the molecule.

Sea buckthorn pulp oil as a natural omega-7 source

Sea buckthorn differs from most oil-bearing plants in that oil is present not only in the seeds but also in the berry pulp and peel. It is this pulp oil that contains high levels of palmitoleic acid. Studies consistently show that omega-7 can account for roughly 20–45% of the total fatty acids in sea buckthorn pulp oil—an exceptionally high proportion by plant standards.

Interestingly, the seed oil of the same berry has a completely different profile. There, omega-6 linoleic acid and omega-3 alpha-linolenic acid dominate, while omega-7 appears only in negligible amounts. In other words, a single berry produces two chemically distinct oils with very different fatty acid compositions.

Beyond sea buckthorn, palmitoleic acid is found in only a few plant oils, most notably macadamia nut oil, where levels are typically lower. Animal sources include certain fish oils, dairy fat, and human sebum, where palmitoleic acid is a natural component of the skin’s lipid barrier.

Why omega-7 attracts scientific and cosmetic interest 

Palmitoleic acid is not foreign to the human body. It is naturally present in the lipids of the skin and mucous membranes, where it contributes to barrier function, moisture retention, and tissue flexibility. This biochemical familiarity helps explain why sea buckthorn pulp oil has attracted particular attention in cosmetic and skin science.

The lipid profile of sea buckthorn pulp oil resembles the composition of human skin lipids more closely than most plant oils. From a chemical standpoint, this makes it unusually compatible with the skin’s own lipid systems. As a result, sea buckthorn pulp oil is frequently studied and used in formulations aimed at supporting dry, sensitive, or environmentally stressed skin.

Crucially, the oil does not act through a single isolated compound. Palmitoleic acid is present alongside carotenoids, tocopherols, and other lipophilic compounds, forming a stable and chemically diverse system. This complexity is precisely what makes the oil interesting: it supports the skin’s natural balance rather than forcing a targeted, aggressive response.

What role does palmitoleic acid play for the plant itself?

In plants, fatty acid composition reflects metabolic strategy rather than chance. Most species rely on omega-6 and omega-3 fatty acids because these meet their fundamental needs for growth, reproduction, and membrane structure. Palmitoleic acid does not provide an essential function that other fatty acids cannot already cover. That is why most plants never evolved to produce it in meaningful quantities.

Sea buckthorn is different because of where and how it grows. It thrives in environments marked by strong sunlight, wind, cold, drought, and poor soils. In such settings, protecting the berry against environmental stress is critical. Within the pulp oil and outer tissues of the fruit, palmitoleic acid appears to function as part of an additional lipid-based protective layer. Together with other lipids and carotenoids, it helps create a hydrophobic, oxidation-resistant environment in the outer berry tissues.

This is particularly relevant under conditions of high UV exposure, drying winds, and large temperature fluctuations. In northern or otherwise challenging environments—where the growing season is short and stress factors are intense—the chemical profile of the berries shifts accordingly. Sea buckthorn responds by adjusting its lipid and antioxidant composition.

Omega-7 does not define sea buckthorn as a species. But it helps sea buckthorn remain sea buckthorn where conditions are unforgiving. Its presence is less about nutritional fashion and more about ecological chemistry shaped by stress, adaptation, and survival.

• Fatima, T., Snyder, C. L., Schroeder, W. R., Cram, D., Datla, R., & Wishart, D. (2012). Fatty acid composition of developing sea buckthorn (Hippophae rhamnoides L.) berry and oil. Journal of the Science of Food and Agriculture, 92(10), 1984–1990.
• Yang, B., & Kallio, H. (2002). Composition and physiological effects of sea buckthorn (Hippophae rhamnoides) lipids. Trends in Food Science & Technology, 13(5–6), 160–167.
• Zielińska, A., & Nowak, I. (2017). Abundance of active ingredients in sea-buckthorn oil. Lipids in Health and Disease, 16, 95.

The post Omega-7 Palmitoleic Acid in Sea Buckthorn Pulp Oil appeared first on Dago Seaberry.

• Leftover mass from sea buckthorn juice (seeds and skins that remain on the sieve)
• Baking paper and a food dehydrator (or oven set to low temperature)
• Coffee grinder or spice mill

Preparation

1. After juicing, press the remaining skins and seeds in the sieve to squeeze out all the liquid. Spread the drained mixture thinly on baking paper and place it on the trays of your food dehydrator.

2. Dry at around 45 °C (113 °F) until fully crisp, usually 6 to 8 hours depending on the thickness of the layer. This gentle temperature helps preserve delicate antioxidants and fatty acids that would otherwise be damaged by heat.

3. Once completely dry, grind the mixture in a coffee or spice grinder until it reaches the desired texture. A rougher grind works especially well in baked goods and smoothies.

4. Keep the sea buckthorn meal in an airtight container, stored in a cool, dry, and dark place.

How to Use Sea Buckthorn Meal

• Add a teaspoon to yogurt or smoothies.
• Mix into porridge, granola, or doughs to enrich flavor and fiber content.
• Use as a natural color and flavor enhancer in pancakes, energy bars, or desserts.
• Experiment with skincare recipes: blended with honey or yogurt, it can make a simple, vitamin-rich face mask.

For the curious

Sea buckthorn doesn’t love heat. Vitamin C, polyphenols, and many carotenoids break down quickly when temperatures climb too high, which is why drying is usually kept around 40–50 °C. At these gentler levels, the color stays vivid, the aroma holds, and the flavor remains bright rather than bitter.

The plant’s story stretches back to antiquity. Theophrastus and later Dioscorides described a thorny shrub called hippophae, fed to horses to improve their strength and the shine of their coat. The identification isn’t absolute, but the etymology “shining horse” and the descriptions align well with the sea buckthorn lineage we know today.

Long before sustainability had a name, the plant thrived from Europe to Mongolia and Siberia. It rooted itself in dry riverbeds, coastal dunes, and poor, stony soils, fixing nitrogen and holding ground in places where few others survived. For travellers and herders, the berries and seed oil were a small but steady source of nourishment through long winters.

Modern research mirrors these old observations. The berry’s fatty acids, including omega-7 in the pulp and omega-3 in the seeds, help keep cell membranes functional under cold and drought stress. The skin carries carotenoids and polyphenols that buffer sunlight and oxidation. Even after juicing, much of this remains in the press cake, which is why dried, ground sea buckthorn retains its deep color and aroma.

The post Sea Buckthorn Meal (Coarsely Ground) appeared first on Dago Seaberry.

Understanding how sea buckthorn berries ripen begins with observing their early developmental stages. Each berry goes through a complex process that starts in spring, long before the fruit is even visible, and this directly affects not only the final quality and usability of the berries, but also the overall yield.

Sea buckthorn is a dioecious plant, meaning male and female flowers grow on separate bushes. Flowering typically begins in early May as nature awakens from winter. The blossoms are tiny and modest — not showy or scented — because pollination relies on wind, not insects.

Instead of attracting pollinators, the flowers are shaped for maximum aerodynamics, opening only when weather conditions favour effective pollen dispersal. A dry and warm May supports good pollination, with male plants effectively sending pollen to female flowers. Cold or rainy weather, on the other hand, can disrupt this delicate phase and lead to lower fruit yields in autumn.

June: The First Signs of Fruit

Once pollinated, the ovary of the female flower begins to develop into a berry. At first, the fruitlets are minuscule and hidden, even to experienced eyes. But during June, they start to enlarge as cell division and differentiation get underway forming the seed, flesh, and outer skin of the future berry.

At this stage, the plant is especially sensitive. Adequate soil moisture and stable temperatures are crucial. A sudden drought or late frost can significantly affect the number, size, and viability of the berries. If the weather cooperates, fruit development accelerates, though berries remain green and modest for now. Biochemically, however, they’re already preparing for the next stage.

July–August: Nutrient Accumulation

In mid- to late summer, the internal ripening process gains speed. The plant starts concentrating key bioactive compounds in the fruit, including vitamin C, polyphenols, plant oils, and carotenoids (like beta-carotene and lutein). Carotenoids are what give ripe sea buckthorn berries their deep orange hue.

At the same time, oil begins accumulating in the berry pulp and seeds — especially valuable unsaturated fatty acids. These compounds aren’t just nutritionally important; they also influence the berry’s ability to stay fresh. More oil means less water loss, which helps the berries retain firmness and resist shriveling.

But oils can be sensitive to oxidation. That’s where nature has another safeguard: sea buckthorn also contains powerful antioxidants like vitamin E (tocopherols) and polyphenols, which help prevent rancidity and preserve flavour and aroma, even in frozen storage. Thanks to this natural balance, oil-rich berries are also more freeze-tolerant, as their cell structures stay more intact. All of this makes sea buckthorn a very storage-friendly fruit especially when quick-frozen right after harvest.

Late August–September: Colour and Flavour

As the nights get cooler and days shorter, the plant receives a natural cue to finish ripening. Carotenoid levels rise sharply, turning the berries from pale yellow to deep orange. At the same time, texture softens as the berries take in more water becoming juicier, plumper, and more elastic.

The flavour also evolves. Initially sour and astringent, the berry becomes slightly more mellow as organic acids decline and oil levels increase. Sugar content may rise a little, but overall sweetness remains low even in ripe berries. The result is a classic sea buckthorn profile which is tangy, intense, and aromatic.

When Is the Right Time to Harvest?

In Estonia, our sea buckthorn harvest typically spans early September to mid-October, depending on the variety and weather conditions. But harvest timing isn’t random, it’s a strategic decision that shapes the berries’ composition, taste, and processing suitability.

Optimal Ripeness:

• Peak vitamin and oil levels
• Suitable texture for processing
• Stability for transport and storage

Harvest Timing Depends on the End Product

• Vitamin C–Rich Products (e.g. powders, freeze-dried berries): Picked in late August or early September, when vitamin C levels are at their peak. At this point, texture is still firm and oil levels are lower. Overripe berries may lose some of their ascorbic acid content.
• Table Berries and Juice Production: Harvested at full ripeness when flavour is more balanced (less sharp acidity), and berry structure is strong enough to keep its appearance. A slightly soft, but not mushy texture is ideal for processing and freezing. Typically mid to late September.
• Oil-Rich Berries: Collected as late as possible, mostly in October, to capture the highest levels of oil and carotenoids. These berries are best suited for oil production and extracts.

At Dago Seaberry, we specialise in late harvest. We wait for the berries to fully mature so they reach their highest oil content, most complex flavour profile, and longest storage life. Every year, we assess the conditions and make harvest decisions based on a combination of factors: berry development, weather trends, product demand, and optimal nutrient balance.

Sources:

• EFSA (2012). Scientific opinion on the re-evaluation of lutein (E 161b) as a food additive. EFSA Journal, 10(2), 1505.
• Beveridge, T., Li, T. S. C., Oomah, B. D., & Smith, A. (1999). Sea buckthorn products: Manufacture and composition. Journal of Agricultural and Food Chemistry, 47(9), 3480–3488.
• Li, T. S. C., & Schroeder, W. R. (1996). Sea buckthorn (Hippophaë rhamnoides L.): A multipurpose plant. HortTechnology, 6(4), 370–380.
• Szczepanek, M., Ligocki, M., & Stuper-Szablewska, K. (2020). Impact of environmental conditions on pollination and yield of sea buckthorn. Environmental and Experimental Biology, 18, 115–121.
• Ruan, Y. L., et al. (2017). Sugar input, metabolism, and signaling mediated by invertase. Molecular Plant, 3(5), 942–955.
• Yang, B., et al. (2009). Health-promoting properties of sea buckthorn juice. Journal of the Science of Food and Agriculture, 89(1), 119–126.

The post How Do Sea Buckthorn Berries Ripen? appeared first on Dago Seaberry.

Ingredients (about 1 liter smoothie)

• 200 g frozen sea buckthorn berries
• 200 g frozen mango
• 200 g fresh strawberries
• 600 ml cold water

Preparation

1. Wash the strawberries and remove the stems. Rinse the frozen sea buckthorn berries quickly under cold water.
2. Place all ingredients in a blender and blend until smooth.
3. Serve right away – best enjoyed chilled.

Tip: Sprinkle with chia seeds or add a splash of lime juice if you like. For a sweeter drink, add honey or syrup to taste. Want it smoother? Strain the mix through a sieve. 🙂

For the curious

Mango comes from South Asia and is one of the world’s oldest cultivated fruit trees. Sanskrit texts already mention it in the 4th century BCE. Today, people grow mango all around the world, and many cultures connect it with hospitality and abundance. Its soft texture and tropical aroma inspire cooks to create both sweet and savory dishes. In many Asian countries, people serve mango with rice or use it in sauces and drinks. The rich and juicy flavor balances perfectly with more tart ingredients.

Strawberries, in contrast, are a much newer cultivated plant. Farmers in 18th-century France began to cross European wild strawberries with varieties brought from America, and the garden strawberry as we know it was born. Before that, people mostly picked wild strawberries for jams and drinks. Thanks to its larger fruit, the modern strawberry quickly became popular. Across many cultures, the strawberry also grew into a symbol of love and romance – red, juicy, and heart-shaped. In food, its sweetness pairs beautifully with dairy and tangier berries.

When you bring together these two tropical flavors with the northern resilience of sea buckthorn, you get a smoothie that combines tastes and moods from different worlds. At the same time, it’s bright, sweet, cooling and unmistakably summery.

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Ingredients (makes about 12 muffins)

Batter:

• 4 dl wheat flour
• 2 tsp baking powder
• 1.5 dl brown sugar
• 1 egg
• 125 g melted butter
• 2 dl sour cream
• 1 dl milk
• 1.5 dl sea buckthorn berries (fresh or frozen)

Glaze:

• 2 dl powdered sugar
• 2 tbsp sea buckthorn juice

Preparation

1. In a bowl, mix together the flour, baking powder and brown sugar.
2. Add the egg, melted butter, sour cream and milk, and stir into a smooth batter.
3. Add the sea buckthorn berries and gently fold them in quickly, making sure they don’t thaw or break apart too much.
4. Divide the batter into muffin tins (use paper or silicone molds, or lightly butter the tin).
5. Bake in a preheated oven at 200 °C for 20–25 minutes until the muffins are golden brown.
6. Let the muffins cool and prepare the glaze. Mix powdered sugar with sea buckthorn juice until smooth, then drizzle over the cooled muffins.
7. If you like, top with a few extra sea buckthorn berries or some grated orange zest.

Tip: Do not thaw frozen berries beforehand – this way they will keep their shape and won’t make the batter too watery. In addition, the heat will affect them less strongly, helping the flavor stay fresh.

Adapted from a Pereköök recipe, January 2006.

For the curious

The word muffin was already in use in England in the 18th century, although its exact origin is unclear. It may come from the French mouflet (soft bread) or the German muffen (small cakes). Interestingly, “muffin” once referred to something quite different from today’s fluffy baked treat in a paper cup. In England, muffins were thin yeast-leavened breads baked on a griddle or pan and served with butter.

Modern muffins, as we know them today, are more of an American creation – a universal form of pastry that can hold almost anything: berries, chocolate, cheese, vegetables, even bacon.

In Estonian, there isn’t yet a fully established local word for muffin. Sometimes people say küpsetis (baked good), koogike (small cake) or vormikook (cake baked in a mold), but none of them carry quite the same feel as “muffin.” A playful option might be muhvin – a soft, round and cozy little treat, not unlike the character Muhv from the children’s story Naksitrallid. If Muhv were a pastry, he would surely be… a muffin! 🙂

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In Estonia, we traditionally use curd (kohupiim in Estonian) in baking – a fresh, grainy dairy product somewhat similar to farmer’s cheese, quark, or dry cottage cheese. If you can’t find curd, quark or a mixture of ricotta and Greek yogurt can work well as a substitute.

Ingredients

Crust:

• 100 g unsalted butter, softened
• 50 g unrefined cane sugar
• 1 egg
• 100 g rice flour
• 1 tsp baking powder

Filling:

• 500 g vanilla curd (or quark)
• 200 ml heavy cream
• 2 eggs
• 2 tbsp potato starch
• 2 tsp vanilla sugar
• 100 g unrefined cane sugar
• Juice of ½ lime

To serve:

• Frozen sea buckthorn berries (for topping and on the side)

Instructions

Crust:

Mix the softened butter and sugar until combined. Add the egg and whisk until smooth. Stir in the rice flour and baking powder. Press the dough evenly into a buttered 24 cm (9.5 inch) springform pan, covering the base and the sides (up to 3–4 cm / ~1.5 inches).

Filling:

Place all filling ingredients – curd, cream, eggs, sugars, starch – into a large bowl. Whisk until creamy. Add the lime juice, mix again, and pour the filling onto the crust.

Bake in a preheated oven at 175–180°C (350°F) for 45–50 minutes. Let cool completely before serving.

Top with frozen sea buckthorn berries and serve with a few extra on the side.

Tips:

• For a lighter, airier texture, beat the filling for 3–4 minutes before baking.
• If you prefer a denser, more traditional curd-like texture, mix just until combined.
• When pressing the dough into the pan, try to keep the edges even for a nicely shaped crust.

For the curious

Curd is one of the oldest dairy products in the world. Archaeological evidence suggests that long before the invention of cheese or yogurt, people were already making a simple curd-like substance by fermenting milk. The ancient Romans called it lac concretum – “hardened milk” – and often ate it sweetened with honey.

In Estonia, curd has held a special place in traditional cooking for centuries. It was easy to make, nourishing, versatile, and perfect for both savory dishes and sweet treats. In our case, it produces a perfect sea buckthorn curd cake. Curd is also valued for its high protein content, but for our ancestors, it was also a practical way to preserve food and avoid waste.

The post Sea Buckthorn Curd Cake (Estonian-style) appeared first on Dago Seaberry.

Sea buckthorn (Hippophae rhamnoides L.) is best known for its vibrant orange berries, but its leaves also hold remarkable health-supporting properties. Rich in polyphenols, flavonoids, minerals, and antioxidants, these leaves have long been used in traditional medicine and are now gaining attention in natural cosmetics and dietary supplements. They’re also easy to use at home.

Traditional Use and Folk Medicine

The medicinal use of sea buckthorn leaves dates back centuries. In Tibetan and Mongolian medicine, the plant was used to restore balance and strengthen the body. The Tibetan pharmacopoeia lists sea buckthorn as supporting digestion, circulation, and skin. Leaf decoctions were traditionally combined with herbs like licorice or turmeric to aid liver and spleen function.

In traditional Chinese medicine, sea buckthorn leaves were believed to restore “vital energy” and help recovery from illness, especially in cases of coughs or colds. In Siberia, hot infusions of the leaves were used to strengthen immunity, reduce fever, and relieve colds. Due to their tannin content, leaves were also used to ease digestive issues like diarrhea. Ground leaf paste was applied to wounds to promote healing and reduce inflammation.

Central Asian nomads used leaf compresses to treat skin irritations and minor wounds. In the 20th century, Soviet scientists included sea buckthorn leaves in adaptogen studies, investigating their ability to enhance the body’s resistance to stress.

Chemical Composition

Sea buckthorn leaves contain a wide range of bioactive compounds:

• Flavonoids (e.g., quercetin, kaempferol, isorhamnetin): Powerful antioxidants that support cellular health and vascular function.
• Tannins and catechins: Aid digestion and exhibit antimicrobial activity.
• Vitamins C and E: Present in smaller amounts than in the berries, but help strengthen immune function and reduce oxidative stress.
• Minerals: Potassium, magnesium, calcium, iron, and others support metabolism and electrolyte balance.
• Fatty acids and phytosterols: Present in trace amounts, they help reduce inflammation and support skin health.

Modern Research and Therapeutic Potential

Scientific studies have shown promising effects:

• Antioxidant protection: Leaf extracts can neutralize free radicals and reduce cellular damage.
• Blood sugar regulation: Animal studies suggest extracts may lower glucose levels and improve insulin sensitivity.
• Liver support: Extracts help normalize liver enzyme levels and reduce oxidative stress.
• Antimicrobial & antiviral action: Some extracts inhibit the growth of certain bacteria and viruses.
• Vascular health: Flavonoids help maintain blood vessel elasticity and circulation.

Contemporary Uses

Today, sea buckthorn leaves are used in various forms:

• Herbal tea & infusions: Mild grassy flavor similar to green tea. Pairs well with mint, lemon balm, or rosehip.
• Powders and capsules: Standardized extracts for immune, metabolic, and stress support.
• Cosmetics: Used in products for sensitive or tired skin due to their soothing, balancing properties.
• Animal feed: Used as a supplement to improve animal health naturally.

How to Use Sea Buckthorn Leaves at Home?

1. Herbal Tea
   Steep 1–2 teaspoons of dried leaves (or a small handful of fresh leaves) in 250 ml of hot water (90–95°C) for 10–15 minutes. Add ginger, honey, or lemon zest to taste.
2. Skin or Hair Rinse
   Boil 2 tablespoons of dried leaves in 500 ml of water for 15 minutes. Cool and use as a rinse or apply with a compress to the skin.
3. Powder for Smoothies or Capsules
   Finely grind dried leaves and mix into smoothies, porridge, or fill capsules for daily use.

Gentle on the Stomach

Sea buckthorn leaf tea is suitable for those with acid sensitivity or gastritis. Unlike the berries and their juice, which are rich in organic acids and potentially irritating to sensitive stomachs, leaf tea is gentler. It does not cause acid irritation or aggravate symptoms related to ulcers or reflux. Studies suggest the bioactive compounds in the leaves, such as flavonoids and phenolic acids, may actually soothe the digestive tract and reduce inflammation.

Sustainability

Sea buckthorn leaves are a natural by-product of berry harvesting. Using them reduces agricultural waste and supports a circular production model, adding value to the whole plant and minimizing environmental impact. For farmers, leaf valorization can create additional income streams through tea or extract production. Sea buckthorn leaves can also be composted or used as biodegradable mulch.

By making full use of the plant, we reduce waste and enhance the cultural and ecological value of sea buckthorn. This hardy nitrogen-fixing shrub also prevents soil erosion, making it an ally in sustainable agriculture.

References:

• Geetha, S., et al. (2002). Journal of Ethnopharmacology, 79(3), 373–378.
• Guliyev, V. G., et al. (2004). Phytotherapy Research, 18(7), 553–556.
• Li, T. S. C., & Beveridge, T. (Eds.). (2003). Sea Buckthorn: Production and Utilization. NRC Press.
• Saggu, S., et al. (2007). Food and Chemical Toxicology, 45(4), 609–617.
• Suryakumar, G., & Gupta, A. (2011). Journal of Ethnopharmacology, 138(2), 268–278.
• Upadhyay, N. K., et al. (2010). Evidence-Based Complementary and Alternative Medicine, 7(3), 375–381.

The post Sea Buckthorn Leaves: What’s Inside and How to Use Them? appeared first on Dago Seaberry.

Sea buckthorn berries are packed with vitamins and antioxidants, and have a fresh, distinctive flavor. But the true value of sea buckthorn lies in something very delicate: its natural potency is easily lost through excessive mechanical or thermal processing. Whether you’re making juice, jam, or any other product from these berries, it’s crucial to understand how — and why — heat impacts their quality.

The berries contain an impressive blend of vitamins, minerals, antioxidants, and essential fatty acids:

• Vitamins E and A – support skin and mucosal health
• Omega fatty acids, especially omega-7 (palmitoleic acid), which is rare in plant-based foods
• Flavonoids, carotenoids, and polyphenols – natural antioxidants that protect cells
• Organic acids, like ascorbic, citric, and malic acids, which give the berries their intense tartness
• Aromatic compounds that give sea buckthorn its unmistakable scent

What Happens When Sea Buckthorn Is Excessively Heated?

Sea buckthorn contains a wide range of heat-sensitive compounds, including vitamin C, carotenoids, and essential oils. These begin to degrade at elevated temperatures, especially above 70–80 °C (158–176 °F).

For example, vitamin C (ascorbic acid) is one of the most heat-sensitive nutrients. Studies show that its levels start to drop noticeably at 60–70 °C (140–158 °F), and when the berries are boiled or pasteurized above 85 °C (185 °F), up to 90% of the vitamin C may be lost. This breakdown occurs because heat disrupts the molecular structure of ascorbic acid, rendering it biologically inactive. So, even if the end product still tastes tangy, it may no longer contain beneficial amounts of vitamin C.

Carotenoids (the pigments responsible for sea buckthorn’s vivid color) also become unstable and oxidize when exposed to high heat. As a result, the product often turns a dull, beige-orange or even brown, with reduced antioxidant power.

Heat also affects the natural oils within the berry. When sea buckthorn is heated, the cell structure breaks down, causing the internal oils — which are normally retained in tiny droplets within intact cells — to be released and rise to the surface. Once exposed to air, these oils oxidize, leading to a more bitter taste and less fresh aroma. This is why cooked sea buckthorn products often have an “oilier” appearance and may smell less appealing.

Furthermore, heat causes the loss of aromatic compounds, leaving behind a flat or even unpleasant smell that is far removed from the wild, fresh aroma of raw berries.

Why Overheated Sea Buckthorn No Longer Tastes Like the Fresh Berry?

The sweet-tart flavor of fresh sea buckthorn is the result of delicate natural compounds that are very sensitive to heat. When processed at high temperatures, several things happen:

• Natural sugars may caramelize
• Organic acids degrade
• Cellular oils are released and oxidized

Together, these changes disrupt the berry’s original flavor balance and reduce its characteristic aroma.

Moreover, fatty acids, especially monounsaturated ones like omega-7, are highly susceptible to heat and oxygen. During heating, lipid oxidation occurs, which:

• Causes a rancid or bitter taste
• Destroys beneficial compounds like tocopherols and carotenoids
• Can lead to the formation of unwanted secondary compounds

As a result, cooked sea buckthorn products often have a flat, slightly rancid, and unbalanced flavor that bears little resemblance to the juicy, vibrant taste of the fresh fruit.

How to Preserve Sea Buckthorn’s Best Qualities

The true value of sea buckthorn can only be preserved through careful and gentle handling. If you have the freezer space, the best way to store sea buckthorn is by deep-freezing the berries. This allows you to take out exactly the amount you need, exactly when you need it — whether to make fresh juice, blend a smoothie, or enjoy a handful as a healthy snack.

To retain the berry’s nutritional and sensory value in cases where pasteurization is needed, lower-temperature processing is key. For example, short-term heat treatment at around 70–75 °C (158–167 °F) can help preserve much of the vitamin content and flavor. This way it is possible to get a product which:

• Tastes remarkably close to the fresh berry
• Retains a naturally bright, orange-golden color
• Does not overly separate or develop excessive oiliness
• Maintains a clean, vibrant aroma

Vacuum drying or freeze-drying methods are also a great option to help retain quality.

• Beveridge, T., Li, T. S. C., Oomah, B. D., & Smith, A. 1999. Sea buckthorn products: Manufacture and composition. Journal of Food Science, 64(5): 719–722.
• Munyaka, A. W., Makule, E. E., Oey, I., & van der Linden, G. 2010. Thermal degradation of vitamin C and antioxidant capacity in vegetables and fruits: A review. Food Research International, 43(7): 1814–1822.
• Saini, R. K., Nile, S. H., & Park, S. W. 2015. Carotenoids from fruits and vegetables: Chemistry, analysis, occurrence, bioavailability and biological activities. Food Research International, 76: 735–750.

The post Why Is Sea Buckthorn Sensitive to Heat? appeared first on Dago Seaberry.

Ingredients:

• Frozen sea buckthorn berries
• Pure maple syrup (add to taste)

Instructions:

1. Place the frozen sea buckthorn berries in a small bowl/glass.
2. Drizzle with maple syrup until the berries are lightly coated.
3. Let sit for 1–2 minutes to slightly soften, or enjoy right away for an icy crunch!

Serving Suggestions:

• Enjoy as a light snack or palate cleanser.
• Spoon over yogurt, oatmeal, or pancakes.
• Add to smoothies for an extra zing.

Tip: The contrast between the cold, zingy berries and the rich sweetness of maple syrup is what makes this treat so good. Start with less syrup—you can always add more!

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