不同时期采摘的白栎营养成分比较研究

Comparing on nutrition ingredient of picking quercus fabri hance in different periods

目的:分析6个不同时期采摘的白栎的6大营养成分及类黄酮含量,以针对不同用途来确定白栎的最适采摘时间。方法:用常规方法测定比较不同生长期白栎中Vc、氨基酸、类黄酮、粗纤维、蛋白质、总脂、类黄酮含量。结果:8月15日采摘的白栎蛋白质、氨基酸、类黄酮含量较高;8月31日的粗纤维含量最高;9月15日的总脂含量最高;10月31日的Vc含量较高。结论:如果白栎用于做食品应在8月15～31日时间段采摘,如果用于提取油脂在9月15日采摘较好。

This article picks to six different times Quercus fabd Hance nutritions ingredient like vitamin C, the aminoacid, a kind of flavanone, the crude fiber, the protein and the total fat has conducted the comparison research, aims at the different use to determine Quercus fabri Hance suitably picks the time. The result indicated that, the protein, the amino acid, the kind of flavanone content are highest in 15th August; the crude fibercontent are highest in 31st August; the total fat content are highest in 15th September; the vitamins C content is highest in 31st October.