NDLI: Pasteurization of kava juice using novel continuous flow microwave heating technique

Content Provider	Springer Nature Link
Author	Abdullah, Seerwan A. Lee, Seung Hyun Cho, Il Kyu Li, Qing X. Jun, Soojin Choi, Won
Copyright Year	2013
Abstract	This study was aimed to investigate the effect of continuous flow microwave heating on the reduction of microorganisms in kava juice to extend the shelf life. Chemical and microbial properties of treated juices were analyzed using key parameters such as microbial counts, kavalactones, and pectin methylesterase activities. The microbial population was reduced from 3.3×106 to 5×105, 8×103, and 4.5×102 CFU/mL at 41.4, 52.3, and 65.2°C, respectively. The amounts of kavalactones such as kavain (K), demethoxyyangonin (DMY), and yangonin (Y) were kept constant or increased after pasteurization at different treatment temperatures. The effect of microwave heating on the pectin methylesterase activities decreased significantly from 83 to 34% by increasing the temperature values from 41.4 to 65.2°C, enhancing juice cloud stability. The developed pasteurization technique is expected to deliver the adequate lethal effect to the kava juice without major deterioration of food quality.
Starting Page	961
Ending Page	966
Page Count	6
File Format	PDF
ISSN	12267708
Journal	Food Science and Biotechnology
Volume Number	22
Issue Number	4
e-ISSN	20926456
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-08-31
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	kava beverage microwave pasteurization heat sensitive kavalactone pectin methylesterase Food Science Nutrition
Content Type	Text
Resource Type	Article
Subject	Applied Microbiology and Biotechnology Food Science Biotechnology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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