FATTY ACID PROFILE AND ANTIOXIDANT CAPACITY OF ORYZA sativa L. (JAPÃ”NICA SUBSPECIES) MARKETED IN ITALY AND BRAZIL: A COMPARISON
Keywords:Lipid qualification, Lipid quantification, Antioxidant capacity, Polyphenols, Photoluminescence, Rice benefited
Rice stands out as the most consumed cereal in the world because it is a source of vitamins, minerals, fiber, bioactive compounds, and unsaturated fatty acids. Based on this assumption, the objective of this work was to qualify and quantify fatty acids, in samples consisting of raw, integral, parboiled, and white rice marketed in southern Brazil (Vale do ItajaÃ) and the Vale do PÃ³ region in northern Italy. The results of this work demonstrate that 95% of the total lipid content, in the respective rice typologies of both countries, is represented by palmitic, oleic, and linoleic acid. These results indicate that the technological processes influence the nutritional and functional quality of the rice grain in these countries. Regarding the content of total polyphenols, the maximum average value obtained was 477 g Eq g-1 for rice from both countries and the best results for antioxidant activity, using the PhotoquemÂ® method with methanolic extract, was 3.43 ÂµM Eq Trolox g-1 for the Italian rice samples. These results indicate that the technological processes influence the nutritional and functional quality of rice grain from these countries.
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Copyright (c) 2021 Fernanda Raquel Wust Schmitz, Cristina Samaniego-SÃ¡nchez, Paola Tedeschi, Annalisa Maietti, Mohammad Ali Shariati, Lukas Hleba, SÃ¡vio Leandro Bertoli, Carolina Krebs de Souza
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