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Desarrollo de jalea de yacón de reducido valor calórico: caracterización físico-química, microbiológica y sensorial / Development of a low calorie yacon jam: physico chemical, microbiological and sensory characterization
Carvalho Salvador, Aline; de Souza Dantas, Maria Inês; Mileib Vasconcelos, Christiane; Dantas Vanetti, Maria Cristina; Machado Rocha Ribeiro, Sônia; Nery-Enes, Bárbara; Nelson, Julia D; Stampini Duarte Martino, Hércia.
  • Carvalho Salvador, Aline; Federal University of Viçosa. Department of Nutrition and Health. Viçosa. BR
  • de Souza Dantas, Maria Inês; Federal University of Viçosa. Department of Nutrition and Health. Viçosa. BR
  • Mileib Vasconcelos, Christiane; Federal University of Viçosa. Department of Food Technology. Viçosa. BR
  • Dantas Vanetti, Maria Cristina; Federal University of Viçosa. Department of Microbiology. Viçosa. BR
  • Machado Rocha Ribeiro, Sônia; Federal University of Viçosa. Department of Nutrition and Health. Viçosa. BR
  • Nery-Enes, Bárbara; Federal University of Viçosa. Department of Nutrition and Health. Viçosa. BR
  • Nelson, Julia D; Texas A & M University. Department of Nutrition and Food Science. US
  • Stampini Duarte Martino, Hércia; Federal University of Viçosa. Department of Nutrition and Health. Viçosa. BR
Rev. chil. nutr ; 39(3): 72-77, set. 2012. graf, tab
Article in Spanish | LILACS | ID: lil-657711
ABSTRACT
This study aimed to evaluate the physical-chemical, microbiological and sensory characteristics of four formulations of yacon jams. The following characteristics were analyzed chemical composition, soluble solids, pH, microbiological presence of total coliforms and salmonella at 45 °C, and presence of fungi and yeasts. The yacon jams exhibited high moisture content (> 62%) as well as high concentrations of carbohydrates (> 28%) and total dietary fiber (2.5%), mainly fructooligosaccharides (> 0.9%). The average energy value was 124.6 kcal/100 g. The average pH was 3.8 and the soluble solids measured 27.6 °Brix. All yacon jams complied with standard microbiological requirements and received high acceptance scores, especially the yacon jam and yacon jam with cinnamon. Yacon jam products may offer an excellent alternative to more common jams due to their lower concentrations of simple sugar, lower calorie value, increased presence of dietary fibers, and desirable sensory characteristics.
RESUMEN
Este estudio tuvo como objetivo evaluar las características físico-químicas, microbiológicas y sensoriales de cuatro formulaciones de mermeladas de yacón. Las características analizadas fueron composición química, contenido de sólidos solubles, pH, presencia microbiológica de coliformes totales, coliformes y salmonella a 45 °C, y la presencia de hongos y levaduras. Los atascos de yacón mostraron alto contenido de humedad (> 62%), así como altas concentraciones de hidratos de carbono (> 28%) y fibra dietética total (2, 5%), principalmente fructooligosacáridos (> 0, 9%). El valor energético promedio fue de 124, 6 kcal/100g. El pH promedio fue de 3, 8 y los sólidos solubles mide 27, 6 ° Brix. Todas las mermeladas de yacón cumplido con los requisitos microbiológicos estándar y recibió altos puntajes de aceptación, en especial la mermelada de yacón y mermelada de yacón con canela. Productos de mermelada de yacón pueden ofrecer una excelente alternativa a los atascos más comunes debido a sus concentraciones más bajas de azúcar simple, un valor más bajo de calorías, el aumento de la presencia de fibras dietéticas y las características sensoriales deseadas.
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Full text: Available Index: LILACS (Americas) Main subject: Dietary Fiber / Plant Tubers / Chemical Phenomena / Food / Nutritive Value Limits: Humans Language: Spanish Journal: Rev. chil. nutr Journal subject: Nutritional Sciences Year: 2012 Type: Article Affiliation country: Brazil / United States Institution/Affiliation country: Federal University of Viçosa/BR / Texas A & M University/US

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Full text: Available Index: LILACS (Americas) Main subject: Dietary Fiber / Plant Tubers / Chemical Phenomena / Food / Nutritive Value Limits: Humans Language: Spanish Journal: Rev. chil. nutr Journal subject: Nutritional Sciences Year: 2012 Type: Article Affiliation country: Brazil / United States Institution/Affiliation country: Federal University of Viçosa/BR / Texas A & M University/US