产地对桑叶中黄酮类成分含量的影响

Effect on the content of flavonoids in Morus Leaf by different growing area

目的:对浙江省不同产地桑叶中黄酮类成分的含量进行了比较。方法:采用分光光度法测定了嘉兴、金华、临安、温州、湖州①、宁波、仙居、余杭、湖州②9个产地桑叶中黄酮的含量。结果:①黄酮含量差异明显,范围在0.753%～4.849%之间。②在9个产地中,以临安产的桑叶中黄酮类成分含量最高,嘉兴的最低。结论:产地对桑叶中黄酮类成分含量影响较大。

OBJECTIVE :TocomparethecontentsofflavonoidsinMorusLeaffromdifferentgrowing places. METHOD :ThecontentsofflavonoidsinMorusLeaffromJianxing ,Jinhua ,Lin′an ,Wenzhou ,Huzhou① ,Ningbo ,Xianju , YuhangandHuzhou② ,wasdeterminedbyspectrophotometry .RESULTS:①Thecontentsdifferedgreatlywithintherang of 0 .75 3%～ 4 .84 9% .②ThecontentofflavonoidsinMorusLeafproducinginLinanwasthehighestandthatinJiaxing wasthelowestamongtheninesamples.CONCLUSION :Growingplaceshavegreatinfluencesonthecontentsofflavonoids inMorusLeaf.