植物天然抗氧化成分及其效果

植物是天然抗氧化剂的主要来源，其抗氧化成分可归纳为六大类：黄酮类，苯酚类，皂甙类，鞣质类，生物碱类和其它类，它们存在于植物的各种组织中。这些植物按用途可分为中草药类，香料类，蔬菜类，水果类，植物饮在和谷物类等六大类。各类植物的抗氧化成分及其效果在中进行了综述。

Natural Plant Antioxidative Components and Their Effects

Plants are the main resources of natural antioxidant whose components can be divided into six classes such as flavonoids, phenols, saponins, tannins,alkaloids and others. They exist in various parts of plants, which can be divided intosix groups by their functions, e.g., Chinese medicine herbs, vegetables, spices, fruits,plant beverages and grains. Their antioxidative components and effects were summarizedin this article.