黑巧克力：其含有黄烷类物质，能保护眼部血管。
Dark Chocolate: It contains flavanoids which protect blood vessels of the eyes.
植物酚类物质(黄烷类)能保护植物免受昆虫、细菌和真菌感染和光氧化的伤害。
Plant phenolics (flavanoids) protect the plant against insects, bacterial and fungal infection and photo-oxidation.
近年来，大量研究表明，桑椹果含有大量的活性酚类物质，主要包括：花色苷，黄酮，黄烷酮和酚类的酸。
Recently, many researches have shown that mulberry fruits had antioxidant polyphenols, mainly anthocyanins, flavonols, flavonol glycosides and phenolic acids.
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