Optimisation of Osmotic Dehydration of Cashew Apple (Anacardium occidentale L.) in Sugar Solutions

• Autores: P.M. Azoubel, F.E.X. Murr
• Localización: Food science and technology international = Ciencia y tecnología de alimentos internacional, ISSN-e 1532-1738, ISSN 1082-0132, Vol. 9, Nº 6, 2003, págs. 427-434
• Idioma: inglés
• Títulos paralelos:
  • Optimización de la deshidratación osmótica del fruto de anacardo (Anacardium occidentale L.) en soluciones azucaradas
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• Resumen

  • Osmotic dehydration of cashew apple in sucrose and corn syrup solids solutions as influenced by temperature (30-50 C), sugar syrup concentration (40-60% w/w) and immersion time (90-240 min) was studied through response surface methodology. Responses of water loss (%) and solid gain (%) were fitted to polynomials, with multiple correlation coefficients ranging from 0.92 to 0.99. The fitted functions were optimised for maximum water loss and minimised incorporation of solids in order to obtain a product resembling non-processed fruit. Three optimum sets were selected for each solute and the ascorbic acid content was determined. The ascorbic acid losses were similar to those reported for osmotic dehydration processes. (A)