essential amino acid(redirected from Complementary protein)
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essential amino acid[i′sen·chəl ə′mē·nō ‚as·əd]
Any of eight of the 20 naturally occurring amino acids that are indispensable for optimum animal growth but cannot be formed in the body and must be supplied in the diet.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.