Liquid sucrose bingeing in rats depends on the access schedule, concentration and delivery system

F. H.E. Wojnicki, Jonathan Stine, R. L.W. Corwin

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Previous studies have reported binge-type consumption of solid vegetable shortening in non-food deprived rats maintained on schedules of limited shortening access. The current study determined if limited access would promote binge-type consumption of sucrose solutions. Adult male rats (6 groups, n = 10 each) were provided with one of three different sucrose concentrations (3.2%, 10%, 32% w/v) for 2 h either everyday (Daily) or Monday, Wednesday, and Friday (Intermittent). A 'binge' during the 2-h access periods was operationally defined as Intermittent intakes significantly greater than Daily intakes. Sucrose initially was provided in a 100 ml glass tube equipped with a stainless-steel drinking spout. Under these conditions, there were no differences in sucrose intake between Daily and Intermittent groups at any of the concentrations. In contrast, when sucrose was provided in a modified 60 ml plastic syringe with the same drinking spout, intakes of the Intermittent groups consuming 3.2% and 10% sucrose were greater than those of the respective Daily groups, indicating that binge-type consumption of sucrose occurred. These results demonstrate that brief, intermittent access to low and moderate concentrations of sucrose can promote binge-type behavior, and the characteristics of the drinking apparatus can affect sucrose intake.

Original languageEnglish (US)
Pages (from-to)566-574
Number of pages9
JournalPhysiology and Behavior
Volume92
Issue number4
DOIs
StatePublished - Nov 23 2007

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Sucrose
Appointments and Schedules
Drinking
Drinking Behavior
Stainless Steel
Syringes
Vegetables
Plastics
Glass

All Science Journal Classification (ASJC) codes

  • Experimental and Cognitive Psychology
  • Behavioral Neuroscience

Cite this

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title = "Liquid sucrose bingeing in rats depends on the access schedule, concentration and delivery system",
abstract = "Previous studies have reported binge-type consumption of solid vegetable shortening in non-food deprived rats maintained on schedules of limited shortening access. The current study determined if limited access would promote binge-type consumption of sucrose solutions. Adult male rats (6 groups, n = 10 each) were provided with one of three different sucrose concentrations (3.2{\%}, 10{\%}, 32{\%} w/v) for 2 h either everyday (Daily) or Monday, Wednesday, and Friday (Intermittent). A 'binge' during the 2-h access periods was operationally defined as Intermittent intakes significantly greater than Daily intakes. Sucrose initially was provided in a 100 ml glass tube equipped with a stainless-steel drinking spout. Under these conditions, there were no differences in sucrose intake between Daily and Intermittent groups at any of the concentrations. In contrast, when sucrose was provided in a modified 60 ml plastic syringe with the same drinking spout, intakes of the Intermittent groups consuming 3.2{\%} and 10{\%} sucrose were greater than those of the respective Daily groups, indicating that binge-type consumption of sucrose occurred. These results demonstrate that brief, intermittent access to low and moderate concentrations of sucrose can promote binge-type behavior, and the characteristics of the drinking apparatus can affect sucrose intake.",
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Liquid sucrose bingeing in rats depends on the access schedule, concentration and delivery system. / Wojnicki, F. H.E.; Stine, Jonathan; Corwin, R. L.W.

In: Physiology and Behavior, Vol. 92, No. 4, 23.11.2007, p. 566-574.

Research output: Contribution to journalArticle

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