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Effect of preservatives for food grade C-PC from Spirulina platensis

Paper ID Volume ID Publish Year Pages File Format Full-Text
35727 45104 2008 7 PDF Available
Title
Effect of preservatives for food grade C-PC from Spirulina platensis
Abstract

The effect of selected edible preservatives, citric acid, sucrose and calcium chloride on the stability of C-phycocyanin (C-PC) at 0 ± 5 °C and 35 ± 5 °C was studied in aqueous solution. While screening the edible preservatives for a protein like C-phycocyanin, the denaturation of C-PC with urea as a denaturant and thermal unfolding studies through differential scanning calorimetry (DSC) was carried out to select a stabilizing agent having Hofmeister series behaviour acting on hydrophobic interactions. While studying the efficacy of edible preservatives, citric acid (4 mg/ml) was observed to be one of the best preservative for phycocyanin at 35 ± 5 °C in aqueous solution for 45 days with negligible loss which is comparable to the stability of C-PC at 0 ± 5 °C.Calcium chloride and sucrose were also found to be effective in maintaining the stability of C-PC in aqueous phase, but at lower temperature. Citric acid was able to maintain the stability even at higher temperature lasting for more than 1 month in aqueous solution.

Keywords
Citric acid; C-phycocyanin; Degradation; DSC; Preservative; Stability
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Effect of preservatives for food grade C-PC from Spirulina platensis
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 43, Issue 4, April 2008, Pages 339–345
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us