Methyl donor

As an effective methyl donor , betaine is involved in protein and fat metabolism .

在动物体内，甜菜碱是高效的甲基供体物质，参与蛋白质和脂肪代谢。

Folic acid participates in DNA synthesis , DNA methylation and other important physiological processes as a methyl donor .

叶酸是机体内甲基供体，参与DNA合成，DNA甲基化等多个重要生理进程。

S-adenosylmethionine is required as methyl donor for both arsenic metabolism and DNA methylation .

细胞内砷代谢和DNA甲基化都需要S-腺苷蛋氨酸作为甲基供体。

Choline ( CHO ), a methyl-rich nutrient , functions as a methyl donor to participate in methyl group metabolism .

胆碱（CHO），是一种富含甲基的营养物质，做为甲基供体参与体内甲基代谢反应。