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KMID : 0665220140270020294
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Korean Journal of Food and Nutrition
2014 Volume.27 No. 2 p.294 ~ p.301
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Comparison of Textural Properties in Various Types of Brown Rice
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Yoon Mi-Ra
Lee Jeom-Sig
Lee Jeong-Heui
Kwak Ji-Eun
Chun A-Reum
Won Yong-Jae
Kim Bo-Kyeong
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Abstract
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Rice (Oryza sativa L.) is one of the most important staple foods in Korea and the consumption of brown rice is increasing annually. The objective of this study is to investigate the physicochemical, hydration and textural properties related to eating quality of cooked brown rice by using glutinous, semi-glutinous, four non-glutinous and four colored varieties. The moisture, protein and total dietary fiber contents of brown rice are shown in the range of 11.1~12.6%, 6.6~8.7% and 6.28~12.40%, respectively. The amount of water uptakes for brown rice during the hydration has shown significant differences. The glutinous variety of Boseogchal indicate the highest water absorption levels by reaching 0.38 gH2O/g. The hardness of hydration for Seolgaeng is distinctively lower than those of the other brown rice varieties. According to the textural characteristics of cooked brown rice when using the Tensipresser, the hardness of Boseogchal, Baegjinju and Seolgaeng all exhibit the lowest values out of ten varieties and the highest levels of adhesiveness.
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KEYWORD
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brown rice varieties, hydration, texture characteristics
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