单词	niacin
释义	niacin /ˈnʌɪəsɪn / noun Another term for nicotinic acid.They are also rich in three important B vitamins: riboflavin, niacin, and pantothenic acid.... Whole grains are also important sources of vitamins and minerals, such as thiamin, riboflavin, niacin, folate, selenium, zinc and iron. Mushrooms also contain B-complex vitamins, such as riboflavin, niacin, folate and pantothenic acid, not easily found in produce.
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