Antimicrobial compound incorporated corn starch based self-supporting film and its properties

Sen C., . and Das M., . Antimicrobial compound incorporated corn starch based self-supporting film and its properties. pp. 573-584. ISSN 2231-7546

The issue of environmental pollution arising from disposable synthetic packaging films and the lack of petroleum resources demand development of alternatives from renewable natural biopolymers such as starch. In the present work the effect of benzoic acid (BA) potassium sorbate (PS) and sodium propionate (SP) as antimicrobials on ultimate tensile strength (TS) elongation at break (El) water vapour permeability (WVP) and optical properties of films developed from a mixture (100 mL) containing 7.50 g corn starch 0.875 g polyvinyl alcohol and 0.125 g glutaraldehyde was evaluated. Antimicrobials varied within 0-1.791 g/100 g total polymers modified the properties of film containing no antimicrobial. At 1.791 g/100 g polymer BA and PS decreased TS of control film by 24.01 and 26.84 while SP indicated 12.35 increase. Simultaneously BA decreased El by 82.82 while PS and SP increased by 12.73 and 167.52. All the three raised WVP while SP decreased yellowness index with minimum deterioration in opacity. SP at this level was therefore recommended as the best suitable antimicrobial and the developed film coupled with high WVP could be useful to extend the storage life of fresh fruits and vegetables.

Full text available from: Official URL: http://www.ifrj.upm.edu.my/26%20(02)%202019/(23).p...

Abstract

The issue of environmental pollution arising from disposable synthetic packaging films and the lack of petroleum resources demand development of alternatives from renewable natural biopolymers such as starch. In the present work the effect of benzoic acid (BA) potassium sorbate (PS) and sodium propionate (SP) as antimicrobials on ultimate tensile strength (TS) elongation at break (El) water vapour permeability (WVP) and optical properties of films developed from a mixture (100 mL) containing 7.50 g corn starch 0.875 g polyvinyl alcohol and 0.125 g glutaraldehyde was evaluated. Antimicrobials varied within 0-1.791 g/100 g total polymers modified the properties of film containing no antimicrobial. At 1.791 g/100 g polymer BA and PS decreased TS of control film by 24.01 and 26.84 while SP indicated 12.35 increase. Simultaneously BA decreased El by 82.82 while PS and SP increased by 12.73 and 167.52. All the three raised WVP while SP decreased yellowness index with minimum deterioration in opacity. SP at this level was therefore recommended as the best suitable antimicrobial and the developed film coupled with high WVP could be useful to extend the storage life of fresh fruits and vegetables.

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Item Type:	Article
AGROVOC Term:	Packaging materials
AGROVOC Term:	Biofilms (packaging)
AGROVOC Term:	Antimicrobials
AGROVOC Term:	Mechanical properties
AGROVOC Term:	Optical properties
AGROVOC Term:	Water vapour
AGROVOC Term:	Permeability
AGROVOC Term:	Physical properties
AGROVOC Term:	Benzoic acid
AGROVOC Term:	Tensile strength
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:54
URI:	http://webagris.upm.edu.my/id/eprint/8084

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