The content of anthoxanthin: fibrous root>pulp>root tuber>leaf>stem>rhizome>tendril>kernel, the content of saponin: leaf>stem>tendril>root tuber>rhizome>fibrous root.

• 有效成分含量大小顺序为，黄酮类化合物：须根＞果肉＞块根＞叶＞茎＞根茎＞茎卷须＞果核；甾体皂苷类化合物：叶＞茎＞茎卷须＞块根＞根茎＞须根。