Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Does ingested fat produce satiety?

C C Horn1, M G Tordoff, M I Friedman

  • 1Department of Psychology, Kansas State University, Manhattan 66506, USA.

The American Journal of Physiology
|April 1, 1996
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Impact of electrical stimulation of the stomach on gastric distension-induced emesis in the musk shrew.

Neurogastroenterology and motility·2016
Same author

Nurses' preferred end-of-life treatment choices in five countries.

International nursing review·2013
Same author

Prognostic indicators in male breast carcinoma.

The breast journal·2011
Same author

Reduced hepatocyte fatty acid oxidation in outbred rats prescreened for susceptibility to diet-induced obesity.

International journal of obesity (2005)·2008
Same author

Calcium taste preferences: genetic analysis and genome screen of C57BL/6J x PWK/PhJ hybrid mice.

Genes, brain, and behavior·2008
Same author

Licking for taste solutions by potassium-deprived rats: specificity and mechanisms.

Physiology & behavior·2008

Directly administering fat into the gut drastically reduces rat feeding. However, ingested fat only slightly reduces food intake, especially after time for digestion, questioning the physiological relevance of direct fat delivery studies.

Area of Science:

  • Physiology
  • Nutrition Science
  • Animal Behavior

Background:

  • Direct gastrointestinal fat administration significantly reduces rat feeding behavior.
  • Normal consumption of fat meals has minimal impact on subsequent food intake.
  • Discrepancies in feeding response may stem from procedural differences in fat administration studies.

Purpose of the Study:

  • To investigate the satiating effect of ingested fat on rat food intake.
  • To compare the effects of ingested fat versus directly administered fat on feeding behavior.
  • To determine if procedural variations explain the differing satiating effects of fat.

Main Methods:

  • Rats were maintained under conditions mimicking gastrointestinal fat delivery studies (food deprivation, liquid diet).

Related Experiment Videos

  • The effect of ingested corn oil (1.5 ml) on subsequent liquid diet intake was measured.
  • Ingestion timing was varied (immediately vs. 4 hours prior to feeding access) to assess postabsorptive effects.

    • Main Results:

    • Ingesting corn oil had no immediate effect on liquid diet intake.
    • A slight reduction (13%) in liquid diet intake was observed when rats consumed oil 4 hours before feeding.
    • This reduction occurred only after allowing time for gastrointestinal clearance and postabsorptive delivery of fat.

    Conclusions:

    • Ingested fat produces only a minor reduction in short-term food intake.
    • Significant satiating effects of fat are observed only after a delay, allowing for postabsorptive delivery.
    • The marked suppression of feeding from direct gastrointestinal fat administration may lack physiological relevance.