植物雌激素是一种广泛存在于豆科植物中,具有雌激素样作用的天然活性物质。本研究以我国种植较多的紫花苜蓿(Medicago sativa L. )和白三叶(Trifolium repens L. )为研究对象,采用反相高效液相色谱(HPLC)法定量分析了两种牧草不同生长发育阶段植株体内染料木素(Genistein),香豆雌酚(Coumestrol)和芒柄花素(Formononetin)等植物雌激素的含量,并分析了植物雌激素含量与植株生长性状间的关系,旨在为紫花苜蓿和白三叶在畜牧生产中的合理利用提供基础数据。
研究结果表明,植物雌激素的种类和含量存在明显的种间和品种间差异。紫花苜蓿植株体内的植物雌激素以香豆雌酚为主,另外还含芒柄花素和染料木素;这些物质在叶内的含量明显的高于茎。紫花苜蓿品种维多利亚叶、茎中的植物雌激素含量均显著高于另一品种德宝。白三叶植株体内的植物雌激素以芒柄花素为主,另外还含少量的染料木素和香豆雌酚。白三叶四个供试品种的植物雌激素含量以品种铺地的含量较高,海发次之,威亚和瑞文德较低。
紫花苜蓿和白三叶植株体内的植物...
【英文摘要】
Phytoestrogens are naturally bioactive substances having estrogenic activities which exist widely in leguminous plants. Phytoestrogens (genistein, coumestrol and formononetin) in alfalfa(Medicago sativa L. )and white clover (Trifolium repens L.) which were widely planted in China during different growth stages were quantitated with reversed phase high performance liquid chromatography (HPLC) , and relationship between phytoestrogens and plant growth characteristics was analyzed.
The r...