avidin
[ av-i-din, uh-vid-in ]
/ ˈæv ɪ dɪn, əˈvɪd ɪn /
noun Biochemistry.
a protein, found in the white of egg, that combines with and prevents the action of biotin, thus injuring the animal that consumes it in excess by producing biotin deficiency.
Words nearby avidin
avicebrón,
avicenna,
avicularium,
aviculture,
avid,
avidin,
avidity,
avidya,
aviemore,
avifauna,
avigation
British Dictionary definitions for avidin
avidin
/ (ˈævɪdɪn, əˈvɪdɪn) /
noun
a protein, found in egg-white, that combines with biotin to form a stable compound that cannot be absorbed, leading to a biotin deficiency in the consumer
Word Origin for avidin
C20: from
avid + (
bio)
in; from its characteristic avidity for biotin
Medical definitions for avidin
avidin
[ ăv′ĭ-dĭn ]
n.
A protein, found in uncooked egg white, that binds to and inactivates biotin and which, when present in abundance, can result in a deficiency of biotin.