Journal
INTERNATIONAL JOURNAL OF PEPTIDE RESEARCH AND THERAPEUTICS
Volume 23, Issue 4, Pages 519-529Publisher
SPRINGER
DOI: 10.1007/s10989-017-9586-4
Keywords
Rice bran-derived globulin; Bioactive peptides; DPP-IV inhibitory peptides; In silico analysis; Physico-chemical characteristics; Functional ingredients
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Rice processing industry released an enormous amount of the rice bran which is underutilized. Rice bran contains various proteins that can be used for the production of bioactive peptides. These bioactive peptides might be suitable ingredients for the development of functional food products. The objective of this study was to explore the potential of rice bran-derived globulin proteins as a suitable precursor of bioactive peptides with especially reference to dipeptidyl peptidase IV (DPP-IV) inhibitory peptides. The various computational approaches (BLAST, BIOPEP, PeptideRanker, PepDraw, Pepcalc, and ToxinPred) were used to predict the potential of the globulin proteins. Ficain protease majorly released the DPP-IV inhibitory peptides from rice bran-derived globulin proteins as compared with other proteases used in this study. Furthermore, primary structure, physico-chemical, sensory, and allergic characteristics of the theoretically release bioactive DPP-IV inhibitory peptides were also studied. The result of this study provides a theoretical basis for the development of rice bran globulin proteins as a suitable source for the generation of bio-functional ingredients for glycaemic management and further demonstrates the usefulness of computational approaches.
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