| 摘要 |
<p>Saponarin derivatives of general formula (I) (wherein R1 is hydrogen, sinapyl, ferulyl or rhamnosyl; and R2 is hydrogen or glucosyl), which are extracted from the leaves of wheat, barley or the like, exhibit extremely excellent antioxidant activity and are nontoxic and safe, thus being effective in keeping the freshness and other qualities of food and drink or useful for skin and hair care products, and so on.</p> |
