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THE INFLUENCE OF DIETARY PROTEIN QUALITY ON THE RETENTION OF NITROGEN INDUCED BY EXTRACTS OF ANTERIOR HYPOPHYSEAL LOBE
Author(s) -
Munro H. N.,
Chalmers M. I.
Publication year - 1952
Publication title -
quarterly journal of experimental physiology and cognate medical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.925
H-Index - 101
eISSN - 1469-445X
pISSN - 0033-5541
DOI - 10.1113/expphysiol.1952.sp000999
Subject(s) - tryptophan , lysine , lobe , depression (economics) , endocrinology , medicine , zoology , biology , chemistry , biochemistry , anatomy , amino acid , economics , macroeconomics
A crude alkaline extract of anterior hypophyseal lobe was injected over a short period into two groups of rats, one receiving a 15 per cent zein diet which did not support growth, and the other a similar diet fortified with sufficient tryptophan and lysine to make it capable of supporting growth. The depression of urinary N output caused by the injections was of similar magnitude for both groups. It had been concluded that the mechanism causing N retention is not necessarily associated with the process of growth.
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