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Article: Effects of essential amino acids on food and water intake of rats

TitleEffects of essential amino acids on food and water intake of rats
Authors
KeywordsEssential amino acids
Food intake
Water intake
Issue Date1994
PublisherN R C Research Press. The Journal's web site is located at http://pubs.nrc-cnrc.gc.ca/cgi-bin/rp/rp2_desc_e?cjpp
Citation
Canadian Journal Of Physiology And Pharmacology, 1994, v. 72 n. 8, p. 841-848 How to Cite?
AbstractThis study examined the effects of selected groups of essential amino acids (EAAs), given by gavage, on short-term food and water intake. Amino acid groups were selected on the basis of their common physiologic functions in relation to current hypotheses on the role of amino acids in food intake control, and the quantities given were based on the proportions in 1.5 g of the EAA content of albumin. The complete EAA mixture (1.5 g) suppressed food intake by an average of 60 and 37% during the 1st and 2nd h of feeding, respectively, but had no influence on feeding in the subsequent 12 h. Total daily (14 h) intake was decreased by 9%. With the exception of the aromatic amino acid (Phe + Tyr + Trp, 0.34 g) group, all groups significantly decreased food intake by a comparable magnitude (32%) during the 1st h. In this time period, rats given the EAAs, Arg + Met + Val (0.38 g), and Arg + His + Lys (0.44 g) mixtures increased their water intake, whereas intake by rats given the Phe + Tyr + Trp + Thr (0.46 g) and Ile + Leu + Val (0.45 g) mixtures was unchanged. Thus, the food intake suppression caused by EAAs was not accounted for by an equal effect of its component amino acid groups. As well, food intake suppression by amino acid groups was not explained by increased water consumption, nor was it simply related to the quantity of nitrogen provided by the treatment.
Persistent Identifierhttp://hdl.handle.net/10722/42264
ISSN
2015 Impact Factor: 1.704
2015 SCImago Journal Rankings: 0.683
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorAnderson, GHen_HK
dc.contributor.authorLuo, Sen_HK
dc.contributor.authorTrigazis, Len_HK
dc.contributor.authorKubis, Gen_HK
dc.contributor.authorLi, ETSen_HK
dc.date.accessioned2007-01-08T02:33:01Z-
dc.date.available2007-01-08T02:33:01Z-
dc.date.issued1994en_HK
dc.identifier.citationCanadian Journal Of Physiology And Pharmacology, 1994, v. 72 n. 8, p. 841-848en_HK
dc.identifier.issn0008-4212en_HK
dc.identifier.urihttp://hdl.handle.net/10722/42264-
dc.description.abstractThis study examined the effects of selected groups of essential amino acids (EAAs), given by gavage, on short-term food and water intake. Amino acid groups were selected on the basis of their common physiologic functions in relation to current hypotheses on the role of amino acids in food intake control, and the quantities given were based on the proportions in 1.5 g of the EAA content of albumin. The complete EAA mixture (1.5 g) suppressed food intake by an average of 60 and 37% during the 1st and 2nd h of feeding, respectively, but had no influence on feeding in the subsequent 12 h. Total daily (14 h) intake was decreased by 9%. With the exception of the aromatic amino acid (Phe + Tyr + Trp, 0.34 g) group, all groups significantly decreased food intake by a comparable magnitude (32%) during the 1st h. In this time period, rats given the EAAs, Arg + Met + Val (0.38 g), and Arg + His + Lys (0.44 g) mixtures increased their water intake, whereas intake by rats given the Phe + Tyr + Trp + Thr (0.46 g) and Ile + Leu + Val (0.45 g) mixtures was unchanged. Thus, the food intake suppression caused by EAAs was not accounted for by an equal effect of its component amino acid groups. As well, food intake suppression by amino acid groups was not explained by increased water consumption, nor was it simply related to the quantity of nitrogen provided by the treatment.en_HK
dc.format.extent1452887 bytes-
dc.format.extent2511 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherN R C Research Press. The Journal's web site is located at http://pubs.nrc-cnrc.gc.ca/cgi-bin/rp/rp2_desc_e?cjppen_HK
dc.relation.ispartofCanadian Journal of Physiology and Pharmacologyen_HK
dc.rightsCanadian Journal of Physiology and Pharmacology. Copyright © N R C Research Press.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectEssential amino acidsen_HK
dc.subjectFood intakeen_HK
dc.subjectWater intakeen_HK
dc.subject.meshAmino acids, essential - physiologyen_HK
dc.subject.meshDrinking - physiologyen_HK
dc.subject.meshEating - physiologyen_HK
dc.subject.meshRats, wistaren_HK
dc.subject.meshAnimalsen_HK
dc.titleEffects of essential amino acids on food and water intake of ratsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0008-4212&volume=72&issue=8&spage=841&epage=848&date=1994&atitle=Effects+of+essential+amino+acids+on+food+and+water+intake+of+ratsen_HK
dc.identifier.emailLi, ETS: etsli@hku.hken_HK
dc.identifier.authorityLi, ETS=rp00737en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.pmid7834572-
dc.identifier.scopuseid_2-s2.0-0028172281en_HK
dc.identifier.hkuros5493-
dc.identifier.volume72en_HK
dc.identifier.issue8en_HK
dc.identifier.spage841en_HK
dc.identifier.epage848en_HK
dc.identifier.isiWOS:A1994PK39000002-
dc.publisher.placeCanadaen_HK
dc.identifier.scopusauthoridAnderson, GH=7404223441en_HK
dc.identifier.scopusauthoridLuo, S=16151581100en_HK
dc.identifier.scopusauthoridTrigazis, L=14023600400en_HK
dc.identifier.scopusauthoridKubis, G=6507191826en_HK
dc.identifier.scopusauthoridLi, ETS=14018169600en_HK

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