av.i.din

n.（名詞）
A protein found in uncooked egg white that binds to and inactivates biotin. An abundance of avidin in the duct can result in a deficiency of biotin.
抗生物素蛋白：卵清中發(fā)現(xiàn)的一種蛋白質(zhì)，它可與生物素結(jié)合并使生物素活性減低。導(dǎo)管中抗生物素蛋白過量可導(dǎo)至生物素的缺乏

來源：
avid
avid
(biot)in [from its affinity for biotin]
(biot)in[來自其與生物素的親合性]