蔬菜营养的高低遵循着由深到浅的规律,其排列顺序总的趋势为:黑色、紫色、绿色、红色、黄色、白色。而在同一种类的蔬菜中,深色品种比浅色品种更有营养。餐桌上最容易被我们忽视的,便是仅次于黑色的紫色果蔬。紫色果蔬中含有最特别的一种物质——花青素。花青素是构成花瓣和果实颜色的主要色素之一。花青素类色素广泛 The level of nutrition in vegetables follows the law from deep to shallow, and the general trend in the order of arrangement is: black, purple, green, red, yellow and white. In the same type of vegetables, dark varieties are more nutritious than light-colored varieties. The most easily overlooked table is the purple fruit and vegetable next to black. Purple fruits and vegetables contain one of the most special kind of material - anthocyanins. Anthocyanins constitute one of the main pigments of petal and fruit color. Anthocyanins pigments a wide range