期刊
CLINICAL NUTRITION
卷 30, 期 6, 页码 838-844出版社
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.clnu.2011.06.007
关键词
Fat taste; Food selection; Fat consumption; Western-diet; BMI
资金
- Centre for Physical Activity and Nutrition Research, School of Exercise and Nutrition Sciences, Deakin University, Victoria, Australia
- Deakin University
- Commonwealth Scientific and Industrial Research Organisation (CSIRO)
- Department of Education Employment and Workplace Relations
Background & aims: Taste sensitivity to fatty acids influences food ingestion and may regulate fat intake and body weight status. Fatty acids are detected via homologous receptors within the mouth and gastrointestinal (GI) tract, where attenuated sensitivity may be associated with greater fat intake and BMI. This study aimed to extend observations surrounding fatty acid taste, specifically the types of foods consumed and dietary behaviours that may be associated with fatty acid taste sensitivity. Methods: 51 subjects (41 female; BMI, 21.4 +/- 0.46 kg/m(2), age, 20 +/- 0.52 yrs, 10 male; BMI, 23.6 +/- 1.4 kg/m(2), age, 22 +/- 1 yrs) were screened for oral sensitivity to oleic acid (3.8 mM) using triplicate sensory evaluations, and classified as hypersensitive; (3/3 correct identifications), or hyposensitive, (<3/3). Fat-taste perception (using sensory-matched custards made with 0, 2, 6, 10% oil), recent diet (4-day diet record) and food habits and behaviours (food habits and behaviours questionnaire) were also established. Results: 75% (n = 38) of subjects were classified as hyposensitive to oleic acid and these subjects differed from those who were classified as hypersensitive. Hyposensitive subjects consumed significantly more energy, fat, saturated fat, fatty foods (butter, meat, dairy), had greater BMI and were less perceptive of small changes in the fat content of custard (all P < 0.05), compared to hypersensitive subjects. Conclusion: An inability to perceive low concentrations of fatty acids in foods was associated with greater consumption of fatty foods, specifically butter, meat, dairy, and increasing BMI. (C) 2011 Elsevier Ltd and European Society for Clinical Nutrition and Metabolism. All rights reserved.
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