vitamin B2
noun [ U ] chemistry, biology uk/ˌvɪt.ə.mɪn ˌbiːˈtuː/ us/ˌvaɪ.t̬ə.mɪn ˌbiːˈtuː/
维生素B2
a vitamin found in foods such as liver, milk, cheese, yeast, and whole grains. It is important for the production of energy in the cells and for the production of particular hormones.
Synonym: riboflavin