noun
EXAMPLES FROM CORPUS
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Chemically, the antimalarial drug Atebrin or mepacrine had some resemblance to riboflavin .
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Early attempts to fortify rice included riboflavin along with the other constituents.
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Half-a-pint of light ale provides about 7% of two B vitamins - riboflavin and nicotinic acid.
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However, riboflavin is bright yellow, so the treated rice grains could clearly be seen in the final mix.