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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/61421
Title: Influence of food additives on blister formation in tinplate can of coconut milk
Authors: Duangkamol Promlok
Noparat Kanjanaprayut
Nuntawat Kiatisereekul
Ratana Chanthateyanonth
Manthana Jariyaboon
King Mongkut's University of Technology North Bangkok
Mahidol University
Keywords: Agricultural and Biological Sciences
Issue Date: 1-Jul-2021
Citation: Journal of Food Engineering. Vol.300, (2021)
Abstract: © 2021 Elsevier Ltd Blistering is one of the major issues in processed canned coconut milk that contain several food additives. The goal of this work is to investigate the effect of five different food additives, guar gum, sodium carboxymethyl cellulose (CMC), polysorbate 60 (tween 60), citric acid (C6H8O7), and sodium metabisulfite (Na2S2O5), on blister formation in epoxy-phenolic coated tinplate cans using electrochemical impedance spectroscopy (EIS) and surface microscopy. Cathodic stripping at −6 V (Ag/AgCl) for 30 min was applied in order to provoke blisters. The results revealed that the sterilizing process deteriorated the coating performance, however, without food additives, blisters did not form even after an applied potential. Na2S2O5 and CMC were the most aggressive food additives for which blisters were observed for both non-sterilized and sterilized conditions. Na+ ions, together with water and oxygen in the solution, permeated through the coating initiating and accelerating the blister formation.
URI: http://repository.li.mahidol.ac.th/dspace/handle/123456789/61421
metadata.dc.identifier.url: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85101293112&origin=inward
ISSN: 02608774
Appears in Collections:Scopus 2021

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