Anthocyanidins are common plant pigments. They are the sugar-free counterparts of anthocyanins based on the benzopyrylium (chromenylium) ion. They form a large group of polymethine dye. In particular anthocyanidins are salt derivatives of the 2-phenylchromenylium cation, also known as flavylium cation. As shown in the figure below, the phenyl group at the 2-position, can carry different substituents. The counterion of the flavylium cation is mostly chloride. With this positive charge, the anthocyanidins differ from other flavonoids.
Anthocyanidin can be extracted from Grape seed, Cranberry, Pine bark, Bilberry, and etc. In other words, Anthocyanidin is the active ingredient of Grape seed extract, Cranberry extract, Pine bark extract, and Bilberry extract and so on.

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Solubility : Water Soluble
Form : Powder
Recommended For : Other, Health and Wellness Applications
Product Type : Other, Herbal Extract
Storage Instructions : Store in cool, dry place, away from direct sunlight
Purity(%) : 99%
Solubility : Soluble in water and alcohol
Form : Powder
Recommended For : Other, General health, cardiovascular health, antioxidant support
Product Type : Other, Nutraceutical Ingredient
Storage Instructions : Store in a cool, dry place, away from sunlight
Purity(%) : 95% Proanthocyanidins
Solubility : Slightly soluble in water, soluble in organic solvents
Form : Powder
Recommended For : Other, Nutraceutical, pharmaceutical, and cosmetic formulations
Product Type : Other, Herbal Extract
Storage Instructions : Store in a cool, dry place, away from light
Purity(%) : >98%
Solubility : High in aqueous systems
Form : Powder
Recommended For : Other, Liquid formulations and food products
Product Type : Emulsifier/Stabilizer, Other
Storage Instructions : Store in a cool dry place
Purity(%) : High