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Flux evaluation based on fouling mechanism in acoustic field assisted ultrafiltration for cold sterilization of tender coconut water.

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Relation http://ir.cftri.com/14283/
https://doi.org/10.1016/j.ifset.2020.102312
 
Title Flux evaluation based on fouling mechanism in acoustic field assisted
ultrafiltration for cold sterilization of tender coconut
water.
 
Creator Archana, Gopalrao Lamdande
Rochak, M.
Raghavarao, K. S. M. S.
 
Subject 01 Coconut
05 Processing and Engineering
 
Description Membrane-based processing was attempted as a clean, green and energyefficient
method for cold sterilization of tender coconut water (TCW). Ultrafiltration of
TCW was carried out at four different pressures employing two different
polyethersulfone membranes, using a stirred cell. Permeate flux was evaluated based
on different fouling mechanisms which are analysed employing Hermia‘s model. The
objective of the study was to examine the efficacy of ultrafiltration for cold sterilisation
of TCW while retaining good sensory quality. The effect of acoustic field
(ultrasonication) on the performance of ultrafiltration has been evaluated. Permeate
flux increased on the application of ultrasonication. Enzyme activities in TCW
permeate were found to reduce after ultrafiltration with good sensorial acceptability.
Microbial load of TCW after ultrafiltration was observed to decrease from 4.16 to 0.0
log CFU/mL, achieving cold sterilization. Sensorial quality of ultrafiltered TCW was
found to be good after three months storage period with zero microbial count.
 
Date 2020
 
Type Article
PeerReviewed
 
Format pdf
 
Language en
 
Identifier http://ir.cftri.com/14283/1/Innovative%20Food%20Science%20and%20Emerging%20Technologies.pdf
Archana, Gopalrao Lamdande and Rochak, M. and Raghavarao, K. S. M. S. (2020) Flux evaluation based on fouling mechanism in acoustic field assisted ultrafiltration for cold sterilization of tender coconut water. Innovative Food Science and Emerging Technologies, 61.