Angiotensin I converting enzyme (ACE, E.C. 3.4.15.1) inhibitory activity were measured with 11 kinds (31 items) of fermented foods. Strong inhibitory activity was detected in soy sauce, fish sauce, natto, nyufu, and cheese, but not in mirin, sake, or vinegar.
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Okamoto et al. (1995) studied this question.
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