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Nutrition of grape seed extract

Grape seed is the seed of grape, after the separation of grape skin and grape stem after drying. Grape seeds contain amino acids, vitamins and minerals. Grape seed contains polyphenols (GPS), mainly catechins and proanthocyanidins. Catechin compounds, including catechin, epicatechin and galate, are the main monomers in grape seeds, and also the constituent units of proanthocyanidin oligomers and multimers. Grape seed also contains crude protein, amino acids, vitamins A, E, D, K, P and a variety of trace elements, such as calcium, zinc, iron, magnesium, copper, potassium, sodium, manganese, cobalt and so on.

Grape seed extract is rich in more than 100 kinds of effective substances, among which the unsaturated fatty acid ----- linoleic acid (a kind of essential but cannot be synthesized) accounts for 68-76% and ranks the first in oil crops. It needs 20% cholesterol to be consumed from unsaturated to saturated state, which can effectively reduce blood lipid.