Elsevier

The Journal of Nutrition

Volume 130, Issue 5, May 2000, Pages 1493S-1499S
The Journal of Nutrition

Neurobiology of Zinc-Influenced Eating Behavior1,2

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Zinc is an essential nutrient that is required in humans and animals for many physiological functions, including immune and antioxidant function, growth and reproduction. Many aspects of zinc deficiency-induced anorexia have been well studied in experimental animals, most notably the laboratory rat. There is evidence that suggests zinc deficiency may be intimately involved with anorexia in humans: if not as an initiating cause, then as an accelerating or exacerbating factor that may deepen the pathology of the anorexia. The present review describes recent research investigating the relationship between zinc deficiency and the regulation of food intake, along with advances in the understanding of the food intake and body weight regulation systems. For more comprehensive reviews of zinc nutrition and zinc deficiency, readers are referred to the other reviews in this volume and the review text of Mills (1989). An excellent review focused solely on zinc status and food intake has been presented by O'Dell and Reeves (1989).

Key words:

zinc deficiency
anorexia
food intake
neuropeptide Y
galanin
leptin

Abbreviations used:

AN
anorexia nervosa
NPY
neuropeptide Y
PVN
paraventricular nucleus

Cited by (0)

1

Presented at the international workshop “Zinc and Health: Current Status and Future Directions,” held at the National Institutes of Health in Bethesda, MD, on November 4–5, 1998. This workshop was organized by the Office of Dietary Supplements, NIH and cosponsored with the American Dietetic Association, the American Society for Clinical Nutrition, the Centers for Disease Control and Prevention, Department of Defense, Food and Drug Administration/Center for Food Safety and Applied Nutrition and seven Institutes, Centers and Offices of the NIH (Fogarty International Center, National Institute on Aging, National Institute of Dental and Craniofacial Research, National Institute of Diabetes and Digestive and Kidney Diseases, National Institute on Drug Abuse, National Institute of General Medical Sciences and the Office of Research on Women's Health). Published as a supplement to The Journal of Nutrition. Guest editors for this publication were Michael Hambidge, University of Colorado Health Sciences Center, Denver; Robert Cousins, University of Florida, Gainesville; Rebecca Costello, Office of Dietary Supplements, NIH, Bethesda, MD; and session chair, Christopher Frederickson, NeuroBio Tex, Inc., Galveston, TX.

2

Supported in part by awards from ILSI, North America, Whitehall Foundation and U.S. Public Health Service Grant AG13586.