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- Title
Effects of plasticizer type and concentration on the physicochemical properties of edible film from squid Todarodes pacificus mantle muscle.
- Authors
Leerahawong, Akasith; Tanaka, Munehiko; Okazaki, Emiko; Osako, Kazufumi
- Abstract
Physical properties of edible film from squid Todarodes pacificus mantle muscle plasticized with different plasticizers (glycerol, sorbitol, glucose, and fructose) at various concentrations (10%, 20%, and 30% w/w of protein) were determined. The results showed that tensile strength (TS) significantly decreased ( P < 0.05) while elongation at break significantly increased ( P < 0.05) upon plasticizer addition. Water vapor permeability (WVP) significantly increased ( P < 0.05) upon addition of glycerol or sorbitol but significantly decreased ( P < 0.05) upon addition of glucose or fructose. Among the plasticizers used in this study, glycerol showed the greatest ability to decrease film TS. However, glycerol-plasticized film was less transparent than those with other plasticizers. Addition of glucose or fructose seemed to decrease the WVP of the film via a Maillard reaction. However, change in film color also occurred to a greater degree than for glycerol- or sorbitol-plasticized film.
- Subjects
SQUIDS; PLASTICIZERS; TODARODES pacificus; GLYCERIN; SORBITOL
- Publication
Fisheries Science, 2011, Vol 77, Issue 6, p1061
- ISSN
0919-9268
- Publication type
Article
- DOI
10.1007/s12562-011-0398-8