Cooking Qualilites and Nutritional Contents of Parboiled Milled Rice

Authors

  • Shiela Marie A. Villota
  • Andres M. Tuates Jr. Bioprocess Engineering Division Philippine Center for Postharvest Development and Mechanization CLSU Compound, Science City of Munoz, Nueva Ecija
  • Ofero A. Capariño

Keywords:

parboiled milled rice, cooking qualities, chemical properties, nutritional contents

Abstract

The project was implemented to determine the cooking qualities and sensory attributes of parboiled rice. Seven (7) local rice varieties, namely: NSIC 216, NSIC-238, RC-122, Selection 64, Rc 158, Rc 218 and Rc 18 were collected from four (4) provinces of Agusan del Sur, North Cotabato, Palawan and Orriental Mindoro. The rough rice was parboiled using soaking temperature, soaking time and steaming time of 60oC, 3 hours and 15 minutes at a pressure of 15 psi, respectively. Likewise, five (5) water ratios 1:2, 1:2.25, 1:2.5, 1:2.75 and 1:3 and  three (3) cooking methods ie.,ordinary boiling, soaking before boiling and pre-boiling, were followed in the cooking experiment. The physico-chemical properties, proximate composition, vitamins and mineral content of parboiled rice was compared to milled rice.

 

Results showed that cooking of parboiled milled rice required 1:2.50 – 1:3.00 water ratio using ordinary boiling method with an average cooking time of 27.86 minutes. The physico-chemical properties such as water absorption, volume expansion, and grain elongation ratio of parboiled rice were higher than non-parboiled milled rice. In terms of proximate composition energy and nutrient content, parboiled rice obtained an ash content of 1.002% ± 0.02, crude fiber (0.453% ± 0.01), crude fat (1.57% ± 0.19), crude protein (6.17% ± 0.20), calcium (5.385% ± 0.27), calories (360.55 kcal ± 0.55), thiamine (0.20% ± 0.01) and niacin (1.19% ± 0.13)  were higher than the mean values of milled rice

Author Biography

Andres M. Tuates Jr., Bioprocess Engineering Division Philippine Center for Postharvest Development and Mechanization CLSU Compound, Science City of Munoz, Nueva Ecija

Section chief

Bioprocess engineering division

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Published

2016-10-18

How to Cite

Villota, S. M. A., Tuates Jr., A. M., & Capariño, O. A. (2016). Cooking Qualilites and Nutritional Contents of Parboiled Milled Rice. Asian Journal of Applied Sciences, 4(5). Retrieved from https://www.ajouronline.com/index.php/AJAS/article/view/4154