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COMPARISON OF THE PROTEIN NUTRITIONAL VALUE OF TVP, METHIONINE‐ENRICHED TVP AND BEEF FOR ADOLESCENT BOYS
Author(s) -
KORSLUND MARY,
KIES CONSTANCE,
FOX HAZEL M.
Publication year - 1973
Publication title -
journal of food science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.772
H-Index - 150
eISSN - 1750-3841
pISSN - 0022-1147
DOI - 10.1111/j.1365-2621.1973.tb02831.x
Subject(s) - methionine , zoology , chemistry , food science , nitrogen balance , nitrogen , biology , biochemistry , amino acid , organic chemistry
The protein nutritional value of an extruded soybean product resembling beef (TVP), a 1% DL methionine‐enriched TVP product and beef for adolescent boys was compared. The experimental diets supplied food energy to approximately maintain weight and were supplemented with vitamins and minerals. Mean nitrogen balances of subjects fed 4.Og nitrogen as TVP, methionine‐enriched TVP, or beef in successive 6‐day periods were −0.08, +0.48 and +0.32g per day, respectively. Nitrogen retention was significantly higher in response to methionine‐enriched TVP or beef than to TVP alone