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KMID : 0380620180500060614
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Korean Journal of Food Science and Technology
2018 Volume.50 No. 6 p.614 ~ p.620
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Changes in physical characteristics of white pan bread by addition of GABA rice bran and its extract
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Oh Su-Jin
Kwon Young-Hoi
Shin Hae-Hun
Kim Hyun-Soo
Choi Hee-Don
Lim Seung-Taik
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Abstract
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A rice bran physically treated to increase the residual gamma amino butyric acid (GABA) content (200 mg/ 100 g) or its hot-water extract (200 mg/100 g) was added into a white pan bread, and changes in the physical properties including color, and volume and texture changes during storage at room temperature were examined. The addition of bran powders had negative effects on bread quality and storage stability whereas that of rice bran extract (RBE) improved the storage stability of bread. The lightness of bread crumbs decreased but the volume of bread slightly increased after addition of the RBE. The increase in crumb hardness during storage was retarded by the RBE addition. The residual concentration of GABA in bread was increased 38-fold when 20% of RBE was added. The addition of RBE to white pan bread improved the resistance to staling and health-promoting function because of GABA.
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KEYWORD
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rice bran, staling, gamma-aminobutyric acid, bread, texture
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