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出典:Wiktionary
出典:『Wiktionary』 (2026/05/02 18:46 UTC 版)
From quassia + -in.
quassin (countable and uncountable, plural quassins)
出典:Wikipedia
出典:『Wikipedia』 (2011/04/04 00:38 UTC 版)
Quassin is a white bitter, crystalline substance extracted from the quassia tree. It is one of the most bitter substances found in nature with a bitter threshold of 0.08 ppm and it is 50 times more bitter than quinine.
Quassin