Definition of avidin in English:

Share this entry


Pronunciation: /ˈavədən/


A protein found in raw egg white, which combines with biotin and hinders its absorption.
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.

For editors and proofreaders

Syllabification: av·i·din

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.