Effect of Cooking Methods on Proximate Analysis and Sensory Characteristics of Local Phayao Purple Rice and White Sticky Rice, Phayao

Authors

  • Naritsara Phanthurat คณะวิทยาศาสตร์การแพทย์ มหาวิทยาลัยพะเยา

Abstract

Purple rice is local glutinous rice of Asia that was reddish color and more nutritional than white sticky rice. Currently, the consumption of rice was not popular because it was hardness and loose. Therefore, this study was designed to evaluate the effect of three cooking methods; method A soaked purple rice in warm water overnight before cooking, method B soaked purple rice in water overnight before cooking, and method C boiled purple rice 10 minutes and soaked it overnight before cooking on proximate analysis and sensory characteristics of local Phayao purple rice and white sticky rice. After that, there were sensory test of cooked purple rice from three different methods among adult 30-40 years old. The result showed that the texture and tasty of three methods was no significant (p > 0.05), however there showed significant difference (p ≤ 0.05) in color and odor of method A, method B and method C. Furthermore, the proximate analysis (Energy, carbohydrate, protein, fat, and dietary fiber) of cooked purple rice showed significant difference (p ≤ 0.05) of 3 methods; method C was the highest of dietary fiber (4.25 ± 0.19%) and lowest of available carbohydrate (28.61 ± 0.38 %). Overall, method C was found the most benefit in term of texture properties and nutrients.                  Keywords :  Purple rice, glutinous rice, organoleptic, steaming, nutrient analysis

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Published

2019-06-18