Definition of avidin in English:


Syllabification: av·i·din
Pronunciation: /ˈavidin


  • A protein found in raw egg white, which combines with biotin and hinders its absorption.
    More example sentences
    • The latter is due to the affinity of the egg white protein, avidin, for biotin preventing intestinal absorption of the biotin.
    • By cooking eggs, for example, you detoxify avidin, an egg-white protein that destroys biotin.
    • Groundwater, too, is protected from contamination because avidin is a biodegradable protein.


1940s: from avid + -in1.

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a small amount; a little