Anthocyanins and proanthocyanidins

Bilberry Extract anthocyanins

Proanthocyanidins are one of the main components in Portuguese tea polyphenol capsules, which is a powerful antioxidant. However, although many people confuse it with anthocyanins, in fact, anthocyanins and proanthocyanins are not the same substance, and they differ in several ways.

Proanthocyanidins, also known as proanthocyanidins, are polyphenolic compounds that produce anthocyanidins under hot acid treatment, and are internationally recognized as a natural antioxidant that can effectively remove free radicals in the human body. Usually reddish brown powder, slightly scented, slightly astringent in taste, soluble in water and most organic solvents.

Anthocyanins, blueberry anthocyanins,bilberry anthocyanins,a class of water-soluble natural pigments widely found in plants, belong to flavonoids and are the main coloring substances in plant petals, which are mostly related to the colors of fruits, vegetables and flowers. It appears red under acidic conditions and blue under alkaline conditions.

There are clear differences between anthocyanins and proanthocyanidins:

  1. anthocyanidins and anthocyanins,Different chemical structure: anthocyanins and proanthocyanidins belong to completely different substance types. Proanthocyanidins are polyphenols, while anthocyanins are flavonoids.

2. Different color characteristics: anthocyanins are water-soluble pigments, constituting one of the main pigments of petals and fruits, and their color changes with the change of acidity and alkalinity of cell fluid; Proanthocyanidins, on the other hand, are colorless and are made by combining different amounts of catechins or epicatechins.

3. Different distribution range: Proanthocyanidins mainly exist in the skin, shell, seed and other parts of plants, such as grape seed, apple peel, peanut peel, cranberry and so on; Anthocyanins are widely found in blueberries, cherries, strawberries, grapes and other fruits.

4. Type: Although anthocyanins and proanthocyanidins differ in chemical structure and distribution, they are both flavonoids, are based on three aromatic ring structures, and are powerful antioxidants.

5. Nutrition and Application: anthocyanin antioxidant,Anthocyanins are a natural anti-aging nutritional supplement with antioxidant properties 50 times higher than vitamin E and 200 times higher than vitamin C. It is widely used in health food, cosmetics, medicine and other fields.

6. Production process: Freeze-dried anthocyanins are produced by using low temperature freeze-drying technology and ultra-fine wall breaking and crushing technology, which retains the activity of beneficial bacteria and anthocyanins in berries.

7. Safety: As a safe and non-toxic nutritive natural food coloring, anthocyanins have attracted much attention and are widely used in various fields, including health food, cosmetics, medicine and so on.


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