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Official Journal of the Japan Wood Research Society

Inhibitory effects of l-pipecolic acid from the edible mushroom, Sarcodon aspratus, on angiotensin I-converting enzyme


The aqueous extract of the edible mushroom Sarcodon aspratus showed inhibitory effects against angiotensin I-converting enzyme (ACE). l-Pipecolic acid (l-piperidine-2-carboxylic acid) was isolated from a hot-water extract in a 0.02% yield as an active principle. The mode of inhibition of l-pipecolic acid was found to be competitive, whereas its d-isomer showed no significant inhibitory effects against ACE, suggesting that the configuration of the carboxyl group in the molecule plays an important role in the enzyme inhibition.


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Correspondence to Masakazu Aoyama.

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Kiyoto, M., Saito, S., Hattori, K. et al. Inhibitory effects of l-pipecolic acid from the edible mushroom, Sarcodon aspratus, on angiotensin I-converting enzyme. J Wood Sci 54, 179–181 (2008).

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