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Titolo:
EFFECTS OF PRELOADS OF DIFFERING ENERGY AND MACRONUTRIENT CONTENT ON EATING BEHAVIOR IN BULIMIA-NERVOSA
Autore:
ROLLS BJ; HETHERINGTON MM; STONER SA; ANDERSEN AE;
Indirizzi:
PENN STATE UNIV,DEPT NUTR,226 HENDERSON BLDG UNIVERSITY PK PA 16802 UNIV DUNDEE,DEPT PSYCHOL DUNDEE DD1 4HN SCOTLAND UNIV IOWA,DEPT PSYCHIAT IOWA CITY IA 52242
Titolo Testata:
Appetite
fascicolo: 3, volume: 29, anno: 1997,
pagine: 353 - 367
SICI:
0195-6663(1997)29:3<353:EOPODE>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
ANOREXIA-NERVOSA; DISORDERS; SATIETY; HUNGER; WOMEN; CHOLECYSTOKININ; FAT;
Tipo documento:
Article
Natura:
Periodico
Citazioni:
29
Recensione:
Indirizzi per estratti:
Citazione:
B.J. Rolls et al., "EFFECTS OF PRELOADS OF DIFFERING ENERGY AND MACRONUTRIENT CONTENT ON EATING BEHAVIOR IN BULIMIA-NERVOSA", Appetite, 29(3), 1997, pp. 353-367

Abstract

Evidence suggests that bulimics demonstrate blunted satiety possibly due to repeated episodes of overeating. This suggestion was tested further by comparing responses to yogurt preloads differing in carbohydrate and fat relative to a lower energy control yogurt in 12 bulimics and 12 age-and weight-matched controls. Participants were tested on three occasions at lunchtime. On each occasion, appetite and mood were rated before and after receiving a lunch of raspberry yogurt (350 g). Covert manipulation of energy and nutrient content was achieved by matching the yogurts on sensory properties and formulating a control yogurt (161 kcal), a high-fat version (357 kcal: 65% calories from fat), and a high-carbohydrate version (357 kcal: 81% calories from carbohydrate). Although there were no differential effects of the preloads on intake of an ad libitum test meal given 5 hr later in either the control orbulimic groups, there were significant differences in test meal energy intake between groups. On average and with all conditions combined, bulimics ate significantly fewer calories (775 +/- 167 kcal) than controls (1182 +/- 94 kcal) and consumed a greater percentage of calories from carbohydrate than controls. Bulimics restricted their intake relative to controls, and chose foods low in fat. This study provides further evidence of restricted eating in bulimia nervosa when the opportunity to purge is not available. Furthermore, the present study suggeststhat intake by bulimics is not influenced by nutrient content per se but by consideration of the caloric value of foods and the consequences of eating certain foods for weight control. (C) 1997 Academic Press Limited.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/09/20 alle ore 01:14:50