Effects of fining treatment and storage temperature on the quality of clarified banana juice

Lee, W. C. and Yusof, Salmah and Sheikh Abdul Hamid, Nazimah and Baharin, Badlishah Sham (2007) Effects of fining treatment and storage temperature on the quality of clarified banana juice. LWT - Food Science and Technology, 40 (10). pp. 1755-1764. ISSN 0023-6438

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Official URL: http://dx.doi.org/10.1016/j.lwt.2006.12.008

Abstract

The clarified banana juice was subjected to different treatment namely bentonite, combination of gelatin and bentonite and control and stored at 4, 25 and 37 °C for 24 weeks. The effects of fining treatment, storage temperature and storage time on turbidity, total polyphenol, browning index, microbiological, and sensory quality of clarified banana juice were evaluated during storage. Fining treatment, storage temperature and storage time had a significant (p<0.001) effect on turbidity, total polyphenol and browning index of clarified banana juice. Turbidity and browning index of juice were reduced by fining treatment with bentonite and a combination of gelatin and bentonite but increased with storage temperature and storage time. A significant decrease in total polyphenol content and increase in turbidity and browning index were detected for all juice samples during storage. However, it was noted that changes were significantly greater in control juice stored at higher temperature than in juice stored at 4 or 25 °C for up to 6 months. Sensory evaluation revealed that juices treated with bentonite or a combination of gelatin and bentonite and stored at 4, 25 or 37 °C were acceptable for up to six months, whereas untreated juice stored at 37 °C was only acceptable for up to 16 weeks.

Item Type:Article
Keyword:Clarified banana juice, Fining agent, Storage temperature, Storage time
Faculty or Institute:Faculty of Food Science and Technology
Publisher:Elsevier
DOI Number:10.1016/j.lwt.2006.12.008
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.lwt.2006.12.008
ID Code:7151
Deposited By: Samsida Samsudin
Deposited On:10 Jun 2010 02:49
Last Modified:04 Aug 2010 08:44

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