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Cited by 28Regulation of Appetite and ObesityNutrition, Health and Food BehaviorChild Nutrition and Feeding Issues

Protein selection by rats adapted to high or moderately low levels of dietary protein

Tews, Jean K., Repa, Joyce J., Harper, Alfred E.·1992·Physiology & Behavior
DOI 10.1016/0031-9384(92)90105-b
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Abstract

After preliminary studies on flavor acceptability, patterns and indices of subsequent feeding behavior were monitored by computer in young rats which were adapted to 15% or 70% casein diets before being offered, sequentially, choices between flavored diet pairs in which the proportions of percentage casein were 5/65, 5/55, 5/45, 5/35 and 5/25. Similarly adapted rats received these choices in the reverse sequence. Rats adapted to 15% casein usually ate randomly from the diet pairs and selected approximately 15-30% casein; individual behaviors were prominent. The 70% casein groups avoided the higher casein diet, often within minutes (except for the first-offered 5/25 choice), and seldom selected more than 10% casein; individual differences were infrequent. Such rats also distinguished between flavored 70% and 65% casein diets. Sizes and numbers of meals and rates of eating differed for the paired diets, especially for rats adapted to 70% casein. A flavor added to the 70% casein adaptation diet was not avoided when present only in the 5% casein diet of a 5/65 choice. Rats adapted to 70% soy protein before receiving flavored 5/65 to 5/25 choices selected 20-28% soy protein, a level far above those of casein selections by rats adapted to 70% casein. Dietary adaptation and type of protein thus affect subsequent diet selection and feeding patterns and indices.

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Crossref · 10.1016/0031-9384(92)90105-b

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38 of 38 references verified0 citation errors · 0 not checkable

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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”

    From FGF21 and the physiological regulation of macronutrient preference (2020) · cites this paper as [91]

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Related

Authors
Tews, J. K., Repa, J. J., & Harper, A. E.
Affiliations
University of Wisconsin–Madison (US)
ORCID
Repa, Joyce J.
Venue
Physiology & Behavior
Publisher
Elsevier BV
Published
1992-04
Volume
51
Issue
4
Pages
699-712
ISSN
0031-9384 (ISSN-L)
DOI
10.1016/0031-9384(92)90105-b
OpenAlex
W2007983679
Cited by
28
References
41
Citations by year
2024: 3 · 2021: 1 · 2020: 2 · 2017: 1 · 2016: 2 · 2015: 1 · 2014: 2 · 2012: 4
FWCI
0.27
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations
  • Physiology & Behavior (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01dk010747-22)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK10747)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Health Sciences › Nursing › Nutrition and Dietetics › Nutrition, Health and Food Behavior
  • Health Sciences › Medicine › Psychiatry and Mental health › Child Nutrition and Feeding Issues
Keywords
protein selection, casein, soy protein, feeding behavior, meal size, eating speed, individual differences, flavor acceptability
MeSH terms
Amino Acids, Animals, Body Weight, Dietary Proteins, Feeding Behavior, Food Preferences, Male, Nutritional Requirements, Rats, Inbred Strains, Taste, Rats

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