black wattle bark tannins
black wattle bark tannins
黑荆棘皮单宁
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Tannin fractions with different molecular weight distributions were obtained by purification of alcohol precipitation and fractionation of solvent extractions of black wattle bark tannins.
通过对黑荆树皮单宁进行醇沉纯化和溶剂萃取分级，可得到分子量分布范围不同的单宁级分。
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