五倍子花
The gallnut flower
以上为机器翻译结果，长、整句建议使用 人工翻译 。
以五倍子为原料浸取单宁酸，由单宁酸氧化制备鞣花酸。
The ellagic acid has been prepared by oxidation of the leaching solution of Chinese gallnut containing tannic acid.
youdao
药用部分：根、叶、花、果及五倍子均供药用，夏秋采收。
Parts being used in medicine: roots, leaves, flowers, fruit and wu bei zi. They are collected in summer and fall.
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