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Archivos Latinoamericanos de Nutrición
Article . 2026 . Peer-reviewed
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Arroz parboilizado efeito na glicemia de ratos Wistar

Authors: Helbig, Elizabete; Guerra Dias, Álvaro Renato; Aldrighi Tavares, Rafael; Artigas Schirmer, Manoel; Cardoso Elias, Moacir;

Arroz parboilizado efeito na glicemia de ratos Wistar

Abstract

O amido é uma importante fonte energética podendo representar mais de 60% da ingestão calórica na dieta humana. A fração do amido, que é resistente à digestão enzimática, é denominada de amido resistente. Na parboilização de arroz ocorre a retrogradação do amido, com a formação do amido resistente tipo 3 (retrogradado), que apresenta efeitos benéficos à saúde, por atuar como prébiótico. Neste estudo, três amostras de arroz com alta, média e baixa amilose foram selecionadas, com o objetivo de avaliar o efeito de arroz convencional e parboilizado na glicemia de ratos Wistar. As amostras com alta e média amilose foram encharcadas durante 6h a 65°C e a amostra com baixa amilose durante 7h a 70°C, posteriormente foram autoclavadas em pressão 0,7 kgf.cm-2 durante 10 minutos. Utilizouse 6 ratos Wistar, machos, adultos por tratamento. Foram elaboradas 7 dietas experimentais, formuladas de acordo com AIN-93M, dieta controle e, dietas com substituição da fonte de carboidratos por arroz convencional e parboilizado. Determinou-se amido resistente nas dietas e a glicemia foi monitorada por leitura de glicofita, com sangue da parte distal da cauda do rato. Para a curva glicêmica as medidas de glicemia foram feitas em jejum, e ao longo de 90 minutos. Os resultados indicam que não foram encontradas diferenças significativas entre as dietas formuladas com arroz de alta, média e baixa amilose, parboilizado ou convencional na glicemia de jejum e pós-prandial de ratos Wistar.

Keywords

amilose, resistant starch, parboiling, Nutrition. Foods and food supply, QH301-705.5, rice, amido resistente, glycemia, rats, glicemia, amylose, Arroz, rato, parboilização, TX341-641, Rice, Biology (General)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average