Screening of angiotensin-converting enzyme inhibitory activities in microalgae

descriptionPublicationkeyboard_double_arrow_right Article 01 Nov 1989 English Publisher:Springer Science and Business Media LLCJournal:Journal of Applied Phycology, volume 1, pages 271-275 (issn: 0921-8971, eissn: 1573-5176,

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Authors: Katsumi Yamaguchi; Masahiro Murakami; Tatsufumi Okino;

doi: 10.1007/bf00003653

Screening of angiotensin-converting enzyme inhibitory activities in microalgae

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Abstract

As part of the investigation on useful constituents in microalgae, we searched for angiotensin converting enzyme inhibitory activities in water-soluble and fat-soluble fractions of sixteen species and strains. Water-soluble fractions of eleven species and fat-soluble fractions of eight species showed inhibitory activities. In particular, the water-soluble fractions of the freshwater cyanophytesMicrocystis spp. showed inhibition at a concentration as low as 0.25 mg ml−1, and that of the halotolerant chlorophyteDunaliella bardawil showed moderate inhibition. The active principles were suggested to be low molecular peptides.

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University of Tokyo
Japan

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