黄酮类化合物广泛存在于植物界中,含此成份的植物达400余种以上,分布在芸香科、豆科、蔷薇科、伞形科、唇形科及裸子植物的杉科、松科等植物。长期以来黄酮类化合物仅限于作为天然染料,直至1945年后,发现黄酮类对油脂有防氧化作用:并对 X 射线有防护作用,才引起人们对该成份的重 Flavonoids are widely found in the plant kingdom, with more than 400 kinds of plants containing this component, distributed in Rutaceae, Leguminosae, Rosaceae, Umbelliferae, Labiatae and gymnosperms Cedar, Pinaceae and other plants . Flavonoids have long been limited to natural dyes, and flavonoids have been found to have an antioxidant effect on oils and fats until 1945. They also have a protective effect against X-rays and cause their weight