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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/30975
Title: Effect of sweeteners and hydrocolloids on quality attributes of reduced-calorie carrot juice
Authors: Pornrat Sinchaipanit
William L. Kerr
Rungrat Chamchan
Mahidol University
The University of Georgia
Keywords: Agricultural and Biological Sciences;Biochemistry, Genetics and Molecular Biology;Nursing
Issue Date: 1-Oct-2013
Citation: Journal of the Science of Food and Agriculture. Vol.93, No.13 (2013), 3304-3311
Abstract: BACKGROUND: Different ratios of combined sweeteners were modified to produce an acceptable reduced-calorie carrot juice. Various hydrocolloids were investigated to improve juice cloud stability. Changes in juice quality attributes were analysed. RESULTS: A combination of the sweeteners aspartame (ASP), acesulfame potassium (ACE) and sucralose (SUC) was partially used to replace the sugar in carrot juice. Sensory studies indicated that juice containing 50gkg-1sucrose and 160mgkg-1ASP/ACE/SUC (6:1.5:1) had the highest acceptability. Thermal processing at 80°C for 1min retained acceptable β-carotene (4300μgkg-1) and did not result in the cooked flavour noted at 65°C/30min. Pectin (PE), carboxymethyl cellulose (CMC), guar gum (GU) and gellan gum (GE) were used to stabilise the juice cloud during storage. The addition of 0.1-0.3gkg-1GE or 2.0gkg-1GU to reduced-calorie carrot juice greatly improved cloud stability after storage at 4°C for 30days. CONCLUSION: The formulation of reduced-calorie carrot juice with ASP/ACE/SUC (6:1.5:1) provided synergistic sweetness and highly acceptable sensory properties. The addition of 0.3gkg-1GE greatly enhanced juice cloud stability during storage. © 2013 Society of Chemical Industry.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84883551525&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/30975
ISSN: 10970010
00225142
Appears in Collections:Scopus 2011-2015

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