avidin
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av·i·din
(ăv′ĭ-dĭn)n.
A protein found in uncooked egg white that binds to and inactivates biotin.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
avidin
(ˈævɪdɪn; əˈvɪdɪn)n
(Biochemistry) 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
[C20: from avid + (bio)in; from its characteristic avidity for biotin]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
av•i•din
(ˈæv ɪ dɪn, əˈvɪd ɪn)n.
a protein of raw egg white that combines with the vitamin biotin and prevents its absorption.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.