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ISSN 2063-5346
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The Casting of Glycerol, Carboxymethyl Cellulose, and Jicama (Pachyrhizuserosus (L.) Urban) Starch for Edible Film

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Flora Elvistia Firdaus1*, Wahyu K. Anam2, Ribka A. Febriani3, Lukman Nulhakim
» doi: 10.31838/ecb/2023.12.4.079

Abstract

Producing films from pristine Jicama (Pachyrhizuserosus (L.) urban) starch will face difficulties because starch in general is brittle and uneasy to handle. Applying biopolymer in the film formula was expected to modify the starch by chemically synthesized. This work aimed to study the effect of casting carboxymethyl cellulose (CMC), glycerol, and jicama starch-based composite on the mechanical properties, water vapor transmission rate (WVTR), thickness, absorption, total plate count (TPC), and organoleptic of the edible film. From the research work, it was found that water absorption can be suppressed by the glycerol addition (2.49 %), where glycerol does not rule out the film thickness. The synergetic with CMC has successfully thinned the films (0.00062 m), and the high concentration of glycerol to CMC does not necessarily lead to an elasticity if made equal where it was found higher. The red ginger (Zingiber officinale) extract was solely added proportionally to the increase of glycerol for the inhibition of microbial growth purposes.

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