Nutritional composition of rice bran submitted to different stabilization procedures

Author:

Faria Simone Aparecida dos Santos Conceição1,Bassinello Priscila Zaczuk2,Penteado Marilene de Vuono Camargo1

Affiliation:

1. University of São Paulo

2. EMBRAPA

Abstract

In order to inactivate enzymatic deterioration, whole rice bran samples were subjected to two stabilization methods. Changes in nutritional value in terms of, concerning chemical composition, minerals and fatty acid content, were evaluated to supplement existing data and promote the utilization of rice bran in the human diet. The following homemade heat treatments were applied: roasting on a conventional stove or heating in a microwave oven. Based on the results, the different heating methods affected sample composition, since the levels of some nutrients of treated samples showed significant changes (p<0.05) compared to corresponding raw samples. The rice bran treated on a conventional stove produced products with lower moisture (5.14±0.10 g/100 g) and nutrients such as sodium 11.8%; palmitic acid 9.9% and stearic acid 8.1%. The microwave oven procedure resulted in better nutrient preservation, with slightly higher moisture content (6.28±0.10 g/100 g), and appears to be a practical and rapid tool for home heat stabilization of rice bran.

Publisher

FapUNIFESP (SciELO)

Subject

General Pharmacology, Toxicology and Pharmaceutics

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