产地和树龄对落地银杏叶中黄酮和内酯含量影响的研究

China Food Additives(2017)

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Abstract
目的:研究产地和树龄对落地银杏叶中黄酮和内酯含量的影响,为落地银杏叶的综合利用提供基础研究.方法:分别收集不同产地和树龄的落地叶样品测定其黄酮和内酯的含量,考察产地和树龄对落地银杏叶中有效成分含量的影响.结论:不同产地落地银杏叶黄酮变化较大,内酯含量较为接近;随着树龄的增长落地银杏叶黄酮和内酯含量均呈现降低的趋势.落地叶与正常叶比较,落地叶中黄酮和内酯均明显低于采摘叶.
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