ヒジキタンパク質ペプシン消化物のアンジオテンシンI変換酵素阻害ペプチドの分離と同定

概要

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A peptidic fraction (SP-I) having inhibitory activity against angiotensin I-converting enzyme (ACE) was separated from the peptic digest of protein prepared from the brown alga Hizikia fusiformis by ion-exchange chromatographies and gel filtration. Oral administration of SP-I into spontaneously hypotensive rats at 200mg/kg resulted in a marked hypotensive effect. Further separation of SP-I by ODS HPLC afforded three active peptides, Gly-Lys-Tyr (IC50; 3.92μM), Ser-Val-Tyr (8.12μM), and Ser-Lys-Thr-Tyr (11.07μM).
公益社団法人日本水産学会の論文
1998-09-15