Proteomic analysis of heat treated bitter gourd (Momordica charantia L. var. Hong Kong Green) using 2D-DIGE

Ng, Z.X. and Chua, K.H. and Kuppusamy, U.R. (2013) Proteomic analysis of heat treated bitter gourd (Momordica charantia L. var. Hong Kong Green) using 2D-DIGE. Food Chemistry. pp. 155-161. ISSN 0308-8146

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Official URL: http://www.ncbi.nlm.nih.gov/pubmed/24262540

Abstract

This study aimed to investigate the changes in the proteome of bitter gourd prior to and after subjecting to boiling and microwaving. A comparative analysis of the proteome profiles of raw and thermally treated bitter gourds was performed using 2D-DIGE. The protein content and number of protein spots in raw sample was higher when compared to the cooked samples. Qualitative analysis revealed that 103 (boiled sample) and 110 (microwaved sample) protein spots were up regulated whereas 120 (boiled sample) and 107 (microwaved sample) protein spots were down regulated. Ten protein spots with the highest significant fold change in the cooked samples were involved in carbohydrate/energy metabolisms and stress responses. Small heat shock proteins, superoxide dismutase, quinone oxidoreductase, UDP-glucose pyrophosphorylase and phosphoglycerate kinase play a role in heat-stress-mediated protection of bitter gourd. This study suggests that appropriate heat treatment (cooking methods) can lead to induction of selected proteins in bitter gourd.

Item Type: Article
Additional Information: Department of Biomedical Science, Faculty of Allied Health Sciences, MAHSA University, Damansara Town Centre, 50490 Kuala Lumpur, Malaysia; Department of Biomedical Science, Faculty of Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia.
Uncontrolled Keywords: 2D-DIGE, Bitter gourd, Cooking methods, Heat stress, Proteomics
Subjects: R Medicine
Divisions: Faculty of Medicine
Depositing User: Mr. Faizal Hamzah
Date Deposited: 25 Nov 2013 02:15
Last Modified: 25 Nov 2013 02:15
URI: http://eprints.um.edu.my/id/eprint/8566

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