Cited by 23Animal Nutrition and PhysiologyNutrition, Health and Food BehaviorRegulation of Appetite and Obesity

Rebalancing essential amino acids intake by self-selection in the rat

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Fromentin, Gilles, Nicolaidis, Stylianos·1996·British Journal Of Nutrition

Abstract

The purpose of the present study was to assess whether rats are capable of selecting the right proportions of two diets that are individually inappropriate in terms of essential amino acid composition to satisfy their amino acid requirements. Rats were offered a choice of one protein-free regimen and another devoid of only one essential amino acid (either threonine or isoleucine) set up in such a way as to provide amino acid balance if they were consumed in 1/3 and 2/3 proportions respectively. Preliminary experiments had established that all our diets were aversive by themselves except for the 60 g casein/kg diet. Rats did reach almost the necessary proportion with, according to published standards (National Research Council, 1978), some excess in isoleucine intake. In addition, given access to two aversive diets that were each nutritionally inadequate, rats showed no aversion and gained body weight when they had the opportunity to consume both of them. Beyond the capacity that rats have of rebalancing their micronutrient intake, the present experiment brings out the idea that the imbalance-induced aversion:preference ratio may be completely upset when this omnivore has access to more than one feed.

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Crossref · 10.1079/bjn19960172

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  • When given a choice, a wide range of species will self-select between diets that are high and low in protein in order to maintain protein intake.

    “When given a choice, a wide range of species will self-select between diets that are high and low in protein in order to maintain protein intake”

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Research works printed but not linked: 2

  1. Leung, P. M. B., Rogers, Q. R. & Harper, A. E. (1968). Effect of amino acid imbalance on dietary choice. Journal of Nutrition 95, 4833492.
  2. Richter, C. P. (1956). Salt appetite in mammals: its dependence on instinct and metabolism. In I'lnstinct duns le Comportement des Animaux et de I'Homme, pp. 577-629 [

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Authors
Fromentin, G., & Nicolaidis, S.
Affiliations
Centre National de la Recherche Scientifique (FR)
Venue
British Journal Of Nutrition
Published
1996-05
Volume
75
Issue
5
Pages
669-682
ISSN
  • 0007-1145 (ISSN-L)
  • 1475-2662
OpenAlex
W2128977654
Cited by
23
References
16
Citations by year
2024: 2 · 2022: 1 · 2021: 1 · 2020: 1 · 2018: 1 · 2014: 1 · 2012: 1
FWCI
1.45
Type
journal article
Language
en
Open access
Locations
  • British Journal Of Nutrition (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
  • Health Sciences › Nursing › Nutrition and Dietetics › Nutrition, Health and Food Behavior
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
Keywords
essential amino acids, dietary self-selection, food choice, threonine deficiency, isoleucine deficiency, amino acid balance
MeSH terms
Amino Acids, Animals, Dietary Proteins, Food Preferences, Isoleucine, Male, Serine, Threonine, Rats, Wistar, Rats

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