| 单词 | vitamin b2 |
| 释义 | vitamin B2 in British Englishnoun another name for riboflavin riboflavin in British English or riboflavine (ˌraɪbəʊˈfleɪvɪn) noun a yellow water-soluble vitamin of the B complex that occurs in green vegetables, germinating seeds, and in milk, fish, egg yolk, liver, and kidney. It is essential for the carbohydrate metabolism of cells. It is used as a permitted food colour, yellow or orange-yellow (E101). Formula: C17H20N4O6 Also: vitamin B2, lactoflavin Word origin C20: from ribose + flavinvitamin B2 in American Englishnoun riboflavin Word origin [1925–30]This word is first recorded in the period 1925–30. Other words that entered Englishat around the same time include: chain reaction, dropout, hot spot, off-line, runout |
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