Cold-Pressed vs Heat-Processed Sea Buckthorn: Why It Changes Everything

Last updated: 18 September 2026

The biggest thing separating a great sea buckthorn juice from a mediocre one isn't the berry — it's what happens after it's picked. Heat quietly destroys the very nutrients you're paying for, while cold-pressing protects them. Same fruit, very different bottle. Here's the difference, explained simply.

What's the difference between cold-pressed and heat-processed juice?

Cold-pressed juice is extracted by pressing the berries without heat, so the nutrients survive the journey into the bottle. Heat-processed juice is cooked at some stage — usually to pasteurise it or to turn it into concentrate — and that heat degrades the delicate parts of the fruit. The berry can be identical; the finished juice is not.

Why does heat damage sea buckthorn?

Vitamin C is heat-sensitive. Sea buckthorn is prized as one of the richest natural sources of vitamin C, but that vitamin C breaks down when it's heated — confirmed by kinetic storage-stability research on the berry (Vitamin C stability study, ResearchGate). Cook the juice and you lose a big share of the headline nutrient.

Delicate omegas degrade. Sea buckthorn's rare Omega-7 and other fatty acids are fragile. High temperatures start to break them down, so a heated juice delivers less of the good fats it's famous for.

Antioxidants, colour and flavour suffer too. Heat dulls the antioxidants, mutes the vivid orange colour, and flattens the fresh, tart taste of the real berry.

What does "from concentrate" actually mean?

"From concentrate" means the juice was heated to boil off its water, shipped as a thick syrup, and then had water added back later. It's cheaper to transport and store — but it means the juice has been through heat, sometimes twice. If a label says "from concentrate," assume some nutrition was lost along the way. "Not from concentrate" is the better sign.

So why doesn't everyone cold-press?

Because it's harder and more expensive. Cold-pressing yields less juice per kilo of berries and needs careful handling, so it costs more to make. That's the honest reason cold-pressed juice sits at a higher price — you're paying for the nutrition that heat would otherwise have destroyed, not for marketing.

How to spot it on the label

Look for "cold-pressed" and "not from concentrate." Be cautious with anything that only says "pasteurised," "from concentrate," or gives no processing detail at all. When a brand is proud of cold-pressing, they'll tell you — it's their whole point.

The bottom line

With sea buckthorn, how the juice is made matters as much as the berry itself. Heat is the silent nutrient-killer; cold-pressing is what keeps the vitamin C, omegas and antioxidants intact. It costs more to do properly — and it's exactly why we cold-press the whole berry at Mevva.

Try Mevva's cold-pressed sea buckthorn juice →

Frequently asked questions

Is cold-pressed sea buckthorn juice worth the higher price?
Yes, if nutrition is why you're buying it. Cold-pressing preserves the heat-sensitive vitamin C and delicate omegas that heat-processing degrades, so you get more of what makes the berry valuable.

What does "not from concentrate" mean for sea buckthorn juice?
It means the juice wasn't boiled down to a syrup and reconstituted with water later. It generally indicates less heat exposure and better-preserved nutrients than "from concentrate" juice.

Does heating destroy sea buckthorn's vitamin C?
Heat significantly reduces vitamin C, which is one of sea buckthorn's headline nutrients. That's why cold-pressed juice retains more of it than pasteurised or concentrate-based versions.