Determination of nutrition value and microbiological stability of reinetada

Authors

  • Ana Neves Instituto Politécnico de Santarém, Centro de Investigação em Qualidade de Vida, Portugal
  • Igor Dias Instituto Politécnico de Santarém, Portugal ICAAM, Universidade de Évora, Portugal
  • Maria Faro Instituto Politécnico de Santarém
  • Isabel Torgal Instituto Politécnico de Santarém
  • Margarida Oliveira Instituto Politécnico de Santarém, Portugal LEAF, Instituto Superior de Agronomia, Universidade de Lisboa, Portugal

DOI:

https://doi.org/10.25746/ruiips.v7.i1.18285

Abstract

Reineta small-caliber apples can be sent for processing in the food industry, with an economic vaorization of the product. This study aimed to determine the nutritional value and stability of a new product, reinetada, produced in the Colares region. Three independent production batches were analyzed by determining the moisture, lipids, saturated fatty acids, carbohydrates, sugars, crude fiber, proteins, salt, ash and calorific value of the product and evaluating total mesophilic microorganisms, osmotic fungi or osmotolerant and spores of sulfite reducing clostridia. The analyzed samples showed, per 100 g of product, 1181 KJ / 258 Kcal, <0.1 g of lipids and saturated fatty acids, 64.6 g of carbohydrates, 60.3 g of sugars, 0.4 g of fiber, 0.1 g of proteins, 0.04 g of salt, 34.9 g of water and 0.13 g of ash. In the microbiota, after 6 months of production, no fungal populations or the presence of sulfite clostridium spores were observed, despite the total mesophyll population varied between 1.3 log u.f.c./g and 3.7log u.f.c./g; the results support the microbiological stability of the new product up to six months (<4 log u.f.c./g).

Keywords: Microbiological stability, Nutrition value, Reinetada

Published

2019-07-15

How to Cite

Neves, A., Dias, I., Faro, M., Torgal, I., & Oliveira, M. (2019). Determination of nutrition value and microbiological stability of reinetada. Revista Da UI_IPSantarém, 7(1), 15–16. https://doi.org/10.25746/ruiips.v7.i1.18285

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