Document Detail


Evaluation of Extraction Solutions for Biochemical Analyses of the Proteins in Rice Grains.
MedLine Citation:
PMID:  23291755     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The influence of different extraction solutions on the proteins extracted from rice grains was investigated. The largest amounts of salt-soluble proteins were extracted with solutions supplemented with Tris-HCl at pH 8.0. Rice allergens were analyzed by multiplex immunodetection. Except for α-globulin extracted with the solutions at pH 8.0, which showed a low-molecular-weight band besides the main band, no significant solution-dependent difference among the allergens was found. Total proteins were extracted with four kinds of solution. The extraction of the basic subunit of glutelin was found to be SDS-dependent, and more protein was obtained with extraction solutions supplemented with SDS. The contents of α-globulin and α-amylase/trypsin inhibitors were higher in the extracts without SDS than with SDS. We conclude from the present data that, in order to obtain comparable data from rice grain salt-soluble and total protein analyses, differences in the protein extraction efficiency of solutions used should be taken into consideration.
Authors:
Gang-Hua Lang; Yukari Kagiya; Mayumi Ohnishi-Kamayama; Kazumi Kitta
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-07
Journal Detail:
Title:  Bioscience, biotechnology, and biochemistry     Volume:  -     ISSN:  1347-6947     ISO Abbreviation:  Biosci. Biotechnol. Biochem.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9205717     Medline TA:  Biosci Biotechnol Biochem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
National Food Research Institute, National Agriculture and Food Research Organization.
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