Definition of avidin in English:

avidin

Pronunciation /ˈavədən/ /ˈævədən/

See synonyms for avidin

noun

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

    ‘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.’
    • ‘The reactivity could be weakened by pretreatment with avidin and biotin.’
    • ‘The endogeneous biotin was blocked by adding an excess amount of avidin followed by washing and addition of free biotin.’

Origin

1940s from avid+ -in.