名詞 niacin:

1. a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract
   同義詞：nicotinic acid

ni.a.cin

n.（名詞）
A white crystalline acid, C5H 4NCOOH, that is a component of the vitamin B complex found in meat, wheat germ, dairy products, and yeast and is used to treat and prevent pellagra. Also called nicotinic acid
煙酸，尼克酸：一種白色結晶酸，C5H 4NCOOH，是在肉、麥胚、奶制品和酵母中發(fā)現(xiàn)的合成維他命B的一種成分 也作 nicotinic acid

來源：
ni(cotinic) ac(id)
ni(cotinic) ac(id)
-in
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