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Trabajos de Investigación
Composición química de productos alimenticios derivados de trigo y maíz elaborados en Costa Rica
Adriana Blanco-Metzler, María de los Angeles Montero-Campos y Mireya Femández-Piedra
Instituto Costarricense de Investigación y Enseñanza en Nutrición y Salud (Inciensa). Tres Ríos, Costa Rica.
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SUMMARY
Chemical composition of wheat and corn based food products elaborated in Costa Rica
Twenty one wheat and corn based food products elaborated in Costa Rica were analyzed by chemically with the purpose of having data on local foods. The analytical methods to determine proximate composition were AOAC's. Energy was estimated by calorimetric bomb and dietarry fiber (DF) by the gravimetric enzymatic method. Also food portion size was estimated and related with DF content for food classification. The values of the nutrients per food were established and compared with others reported in foreign tables commonly used in the country. Fat and energy content in cookies are higher than in salad breads and crackers. Wheat and corn based food products are classified either as low or very low DF sources < 2.9 g FD/ portion). Corn "tortilla" DF content duplicates bread's and the fiber is basically insoluble. Marked differences were founded in the nutritive composition of specific foods when compared with values reported in foreing food tables. In other foods, as corn based products, similarities in the chimical composition were common. The chemical composition of the studied local foods shows the potential of the diet to be atherogeneic, an important aspect to be cosidered with relation to the main causes sof mortality in Costa Rica population. The more compatible food composition table with our data is the Central American, followed by the Latin American one. The necessity of having data on the chemical composition of local foods has been demonstrated.
Key words: Food composition, food analysis, LATINFOODS, wheat based food products, corn based food produccts.
Recibido: 28/11/1998
Aceptado: 01/10/1999
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PRIVACIDAD | ACCESIBILIDAD
ALAN-VE ISSN 0004-0622 - Depósito Legal: pp 199602DF83
Sociedad Latinoamericana de Nutrición
Producción editorial en Venezuela: Capítulo Venezolano - RIF: J-30843129-0
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