紫色蔬菜的特点紫色蔬菜具有良好的保健功能。紫色蔬菜中含有一种特殊物质——花青素,是一类广泛存在于植物中的水溶性色素,属于类黄酮化合物,也是植物的主要呈色物质,是植物中红色、紫色、紫红色、蓝色等颜色的来源。大量医学研究结果表明,花青素具有很强的抗氧化作用,人们经常食用可以清除体内的自由基,降低氧化酶的活性,改善高甘油酯脂蛋白的分解代谢,从而抑制胆固醇的吸收,降 Purple vegetables feature purple vegetables have good health care functions. Purple vegetables contain a special substance - anthocyanins, is a class of water-soluble pigments widely found in plants, is a flavonoid compounds, but also the main color of plants, plants are red, purple, purple, Blue and other colors of the source. A large number of medical research results show that anthocyanins have a strong antioxidant effect, people often eat can clear the body of free radicals, reduce the activity of oxidase, improve catabolism of high-glycerolipoprotein, thereby inhibiting the absorption of cholesterol, reducing