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http://dx.doi.org/10.9721/KJFST.2013.45.5.613

Effect of Processing Treatment on Physicochemical Characteristics of Brown Rice Varieties with Different Amylose Content  

Lee, Jong Gu (Ministry of Food and Drug Safety)
Im, Moo-Hyeog (Ministry of Food and Drug Safety)
Publication Information
Korean Journal of Food Science and Technology / v.45, no.5, 2013 , pp. 613-618 More about this Journal
Abstract
The quality characteristics of brown rice polished with grains of four rice varieties (Hwaseonchal, Baegjinju, Ilpum and Goami) were examined. For the physical properties of native and fried brown rice starches, the gelatinization temperatures and enthalpies (determined with differential scanning calorimetry) of brown rice starches decreased with increasing amylose content. The pasting viscosities of native brown rice starches in distilled water were higher than those in $HgCl_2$ solution (as an ${\alpha}$-amylase inhibitor). The highest viscosity of gelatinized starch was observed for the starch of Ilpum rice variety relative to other varieties. Cystal packing arrangement of brown rice starches subjected to deep-fat frying converted A-type (typically observed for cereal starches) into V-type (formed by retrogradation and recrystllization of amylose molecules).
Keywords
amylose content; amyloviscograph; brown rice; frying treatment; parboiling treatment;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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