자포니카 및 통일형 벼 품종에서의 식미 관련 저장단백질 특성

Jieun Kwak; Jeom-Sig Lee; Mi-Ra Yoon; Mi-Jung Kim; Areum Chun; Choon-Ki Lee

doi:10.7740/kjcs.2016.61.4.227

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2016 Vol.61, Issue 4 Next Page

Original Research Article

자포니카 및 통일형 벼 품종에서의 식미 관련 저장단백질 특성 Characteristics of Seed Storage Protein Affecting the Eating Quality of japonica and Tongil-type Rice

31 December 2016. pp. 227-234

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Abstract

In this study, we analyzed seed storage proteins in order to investigate the main factors related to the eating quality of japonica and tongil-type rice varieties. Sensory evaluation was performed by a trained panel to assess the appearance (color and glossiness), flavor, taste, stickiness, texture, and overall score of nine japonica and three tongil-type rice cultivars. Moreover, the pattern of variation in rice storage proteins was examined by electrophoresis of protein extracts. The electrophoretic pattern of rice proteins showed 16.4 kDa albumin, 26.4 kDa globulin, 34-39 kDa and 21-22 kDa glutelin, and 14.3 kDa prolamin. In terms of storage protein, the varietal differences between japonica and tongil-type rice were found in albumin, globulin, and the α-1, and α-2 sub-units of acidic glutelin. Furthermore, the overall sensory evaluation score was observed to be positively correlated with albumin (0.495^**) and globulin (0.567^**), and negatively correlated with α-1 glutelin (-0.612^**). Therefore, the results indicated that albumin, globulin, and α-1 glutelin can affect the eating quality of japonica and tongil-type rice varieties, with the latter having lower eating quality than the former.

Keywords

albumin

eating-quality

globulin

japonica

rice

storage protein

tongil-type

α-1 glutelin

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Information

Publisher :The Korean Society of Crop Science
Publisher(Ko) :한국작물학회
Journal Title :The Korean Journal of Crop Science
Journal Title(Ko) :한국작물학회지
Volume : 61
No :4
Pages :227-234
Received Date : 2016-09-11
Revised Date : 2016-10-08
Accepted Date : 2016-10-17
DOI :https://doi.org/10.7740/kjcs.2016.61.4.227

The Korean Journal of Crop Science ISSN:0252-9777(Print) 2287-8432(Online) 한국작물학회지

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