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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
1996-11-27
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pubmed:abstractText |
Previous research indicates that food deprivation increases the rat's preference for high-fat over low-fat foods. Since these foods differ in their flavors and post-ingestive effects, both factors may be implicated. The present study investigated preferences in food deprived and non-deprived rats using non-nutritive mineral oil emulsion (MO) and saccharin solution (SAC), which have a fatty flavor and sweet taste, respectively. The deprived rats consumed more MO than SAC in one- and two-bottle tests, while the non-deprived rats ingested as much SAC as MO in one-bottle tests and preferred SAC in two-bottle tests. Several aspects of the data suggest that the deprivation-related shift in preference between MO and SAC was determined by changes in long-term energy balance. A follow-up conditioning experiment discarded the possibility that the observed preference shift was related to differential reinforcing effects of the two substances. In conclusion, long-term food restriction increases the preference for an oily flavor over a sweet taste via a mechanism that does not involve nutritive feedback. It remains to be determined to what extent this alternation in flavor preference influences food selection when post-ingestive nutritive feedback can influence food choice.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
0379-864X
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
21
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
169-79
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:8670695-Animals,
pubmed-meshheading:8670695-Conditioning (Psychology),
pubmed-meshheading:8670695-Dietary Carbohydrates,
pubmed-meshheading:8670695-Dietary Fats,
pubmed-meshheading:8670695-Female,
pubmed-meshheading:8670695-Food Deprivation,
pubmed-meshheading:8670695-Food Preferences,
pubmed-meshheading:8670695-Mineral Oil,
pubmed-meshheading:8670695-Rats,
pubmed-meshheading:8670695-Rats, Sprague-Dawley,
pubmed-meshheading:8670695-Saccharin,
pubmed-meshheading:8670695-Taste
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pubmed:year |
1996
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pubmed:articleTitle |
Food deprivation increases the rat's preference for a fatty flavor over a sweet taste.
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pubmed:affiliation |
Department of Psychology, Brooklyn College, NY, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.
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