维生素各种脂溶性或水溶性生命物质之一,少量的这种物质对生命体的生长和活动至关重要,通常从植物食物中取得
Any of various fat-soluble or water-soluble organic substances essential in minute amounts for normal growth and activity of the body and obtained naturally from plant and animal foods.
花青素一种可溶性颜料,可以使花和其它植物部位产生颜色,其颜色变化从紫色和蓝色到大多数红色
Any of various water-soluble pigments that impart to flowers and other plant parts colors ranging from violet and blue to most shades of red.