Evaluasi nilai biologis beras coklat (Oryza sativa L.) coklat Ciherang dan Cianjur

Abstract

Unpolished or brown rice is rice which is only processed through dehulling, while polished rice is rice which is dehulled and polished and already lost its bran. Polishing causes the decrease of nutrient for polished rice, compared to brown rice. The theory is proven through this study where brown rice is higher in almost all biological value. The highest content for ash, fat, protein, total phenolic, antioxidant capacity, total dieatary fiber, and the lowest for glycemic index, which are as followed 1,57% (Cianjur brown rice); 2,35% (Ciherang brown rice); 10,18% (Cianjur brown rice); 33,69 mg galic acid/ 100 g sample (Ciherang brown rice); 11,25 mg AEAC/ 100 gram sample (Ciherang brown rice); 1,43% (Ciherang brown rice); and GI score is 37,03 (Ciherang brown rice). Though the higher content in polished rice are water and carbohydrate, which are 14,43% (Ciherang polished rice) and 76,39% (Cianjur polished rice). So it is concluded that brown rice is safe to be consumed by prediabetic and diabetic patients because it has low rate of glucose adsorption, moreover it won’t interfere the insulin secretion system and beta cells in pancreas won’t be burdened.