微生物脂肽是一类具有很强表面活性和生物特性的生物表面活性剂。

The microbial lipopeptides, which is an important kind of biosurfactants, possesses powerful surface activities and peculiar biological properties.

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基于此事实提出了通过测定氨基酸来测定微生物发酵液中脂肽类生物表面活性剂的方法。

Based on this experimental fact, a method of determining the LP (s) in fermentation broth by the way of amino acid analyses is suggested.

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鬼臼毒素及其衍生物是一类具有显著生理活性的木脂素类化合物，其主要生理活性表现为抗肿瘤活性及抗病毒活性。

Podophyllotoxin as well as its derivatives exhibit a pronounced biological activity mainly as antitumor agents, which is a good source of the aryltetralin lignan.

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