Characterization of rice bran starch

College

Gokongwei College of Engineering

Department/Unit

Chemical Engineering

Document Type

Conference Proceeding

Source Title

5thReginal Conference on Biotechnology

First Page

42

Publication Date

1-2013

Abstract

Rice starch is one of the most expensive yet very useful starches due to its unique characteristics. Rice starch have sizes of about 2-10 µm that may find application in nanotechnology and also the contaminating rice protein are considered to be hypoallergenic such that they are safe for infants and those with restricted diets. One source of inexpensive rice starch is the rice bran, an underutilized by product of milling. Rice bran starch was extracted from the defatted bran and about 83% or the rice bran starch was recovered. Characterization of the rice bran starch showed that its degradation, gelatinization and retrogradation properties arc similar to rice flour. Furthermore, scanning electron microscope images of the rice bran starch granules showed that the starch granules arc 2-8 µm in size. Based on the results of the study, defatted rice bran is a good source of rice starch that maybe suitable for application in food and pharmaceutical industry.

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Disciplines

Chemical Engineering

Keywords

Rice bran; Starch crops

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