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Effect of sodium alginate concentration, bead diameter, initial pH and temperature on lactic acid production from pineapple waste using immobilized Lactobacillus delbrueckii

Paper ID Volume ID Publish Year Pages File Format Full-Text
36083 45120 2006 7 PDF Available
Title
Effect of sodium alginate concentration, bead diameter, initial pH and temperature on lactic acid production from pineapple waste using immobilized Lactobacillus delbrueckii
Abstract

Batch fermentation of liquid pineapple waste to lactic acid was performed using immobilized Lactobacillus delbrueckii subsp. Delbrueckii ATCC 9646 under anaerobic condition for 72 h. Calcium alginate was used as the immobilization matrix and the effects of sodium alginate concentration, bead diameter, initial pH and temperature on cell growth, glucose consumption and lactic acid production were investigated. The results indicate that maximum concentrations of lactic acid were produced after 56 h of fermentation when 2.0% sodium alginate concentration was used. Maximum lactic acid production was also obtained with a 1.0 mm bead diameter at initial pH of 6.5 and temperature of 37 °C. Simultaneously, the growth parameters for L. delbrueckii in Ca-alginate beads at the various temperature and pH were determined so as to describe the cell growth and lactic acid production rates.

Keywords
Lactic acid; Immobilized; Lactobacillus delbrueckii; Pineapple waste; Fermentation; Calcium alginate
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Effect of sodium alginate concentration, bead diameter, initial pH and temperature on lactic acid production from pineapple waste using immobilized Lactobacillus delbrueckii
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 41, Issue 5, May 2006, Pages 1117–1123
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