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Article: Dietary minerals modify the food intake suppressing effects of high casein diets fed to rats

TitleDietary minerals modify the food intake suppressing effects of high casein diets fed to rats
Authors
Issue Date1982
PublisherAmerican Society for Nutrition. The Journal's web site is located at http://jn.nutrition.org
Citation
Journal Of Nutrition, 1982, v. 112 n. 4, p. 717-721 How to Cite?
AbstractFood intake, growth, and urinary urea and ammonia excretion were studied in young rats undergoing adaptation to high protein diets (70% casein) containing varying amounts of potassium, sodium and chloride. Two commercial mineral mixtures were used. The Bernhart-Tomarelli (BT) mineral mixture is low in K, Na and Cl compared to the TD (modified Williams-Briggs) mineral mixture. Rats consumed significantly less food and had poor growth when fed 70% casein diets containing the BT mineral mixture. Food intake and feed efficiency improved significantly when the BT diets were supplemented with KCl and NaCl, Na acetate or K acetate but not 3-chloropropionate. Urinary urea and ammonia excretion were directly proportional to food (protein) intake. However, body weight gain during the last 3 days of the 9-day study (experiment 3) was negatively correlated with urinary ammonia nitrogen (milligrams per gram food eaten) but not with urinary urea nitrogen. It is concluded that dietary K and/or Na content affects food consumption in rats fed high casein diets. Alterations in renal capacity for handling ammonia may be responsible for the food intake enhancing effect of K or Na in rats fed a high casein diet.
Persistent Identifierhttp://hdl.handle.net/10722/178415
ISSN
2015 Impact Factor: 3.74
2015 SCImago Journal Rankings: 2.040
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLi, ETSen_US
dc.contributor.authorAnderson, GHen_US
dc.date.accessioned2012-12-19T09:47:35Z-
dc.date.available2012-12-19T09:47:35Z-
dc.date.issued1982en_US
dc.identifier.citationJournal Of Nutrition, 1982, v. 112 n. 4, p. 717-721en_US
dc.identifier.issn0022-3166en_US
dc.identifier.urihttp://hdl.handle.net/10722/178415-
dc.description.abstractFood intake, growth, and urinary urea and ammonia excretion were studied in young rats undergoing adaptation to high protein diets (70% casein) containing varying amounts of potassium, sodium and chloride. Two commercial mineral mixtures were used. The Bernhart-Tomarelli (BT) mineral mixture is low in K, Na and Cl compared to the TD (modified Williams-Briggs) mineral mixture. Rats consumed significantly less food and had poor growth when fed 70% casein diets containing the BT mineral mixture. Food intake and feed efficiency improved significantly when the BT diets were supplemented with KCl and NaCl, Na acetate or K acetate but not 3-chloropropionate. Urinary urea and ammonia excretion were directly proportional to food (protein) intake. However, body weight gain during the last 3 days of the 9-day study (experiment 3) was negatively correlated with urinary ammonia nitrogen (milligrams per gram food eaten) but not with urinary urea nitrogen. It is concluded that dietary K and/or Na content affects food consumption in rats fed high casein diets. Alterations in renal capacity for handling ammonia may be responsible for the food intake enhancing effect of K or Na in rats fed a high casein diet.en_US
dc.languageengen_US
dc.publisherAmerican Society for Nutrition. The Journal's web site is located at http://jn.nutrition.orgen_US
dc.relation.ispartofJournal of Nutritionen_US
dc.subject.meshAmmonia - Metabolismen_US
dc.subject.meshAnimalsen_US
dc.subject.meshBody Weight - Drug Effectsen_US
dc.subject.meshCaseins - Administration & Dosageen_US
dc.subject.meshChlorides - Pharmacologyen_US
dc.subject.meshDieten_US
dc.subject.meshDrinking - Drug Effectsen_US
dc.subject.meshMaleen_US
dc.subject.meshNitrogen - Metabolismen_US
dc.subject.meshPotassium - Pharmacologyen_US
dc.subject.meshRatsen_US
dc.subject.meshRats, Inbred Strainsen_US
dc.subject.meshSodium - Pharmacologyen_US
dc.titleDietary minerals modify the food intake suppressing effects of high casein diets fed to ratsen_US
dc.typeArticleen_US
dc.identifier.emailLi, ETS: etsli@hku.hken_US
dc.identifier.authorityLi, ETS=rp00737en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.pmid7069510-
dc.identifier.scopuseid_2-s2.0-0019996746en_US
dc.identifier.volume112en_US
dc.identifier.issue4en_US
dc.identifier.spage717en_US
dc.identifier.epage721en_US
dc.identifier.isiWOS:A1982NL37100016-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridLi, ETS=14018169600en_US
dc.identifier.scopusauthoridAnderson, GH=7404223441en_US

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