Evaluation of Biodegradable Films from Tapioca Starch

K. Sarmah; P. Das; D. Das Borah; T.C. Sarmah

doi:10.52151/jae2015523.1584

Authors

K. Sarmah Department of Biochemistry and Agricultural Chemistry, AAU, Jorhat, Assam Author
P. Das Department of Biochemistry and Agricultural Chemistry, AAU, Jorhat, Assam. Author
D. Das Borah Department of Biochemistry and Agricultural Chemistry, AAU, Jorhat, Assa Author
T.C. Sarmah Department of Biochemistry and Agricultural Chemistry, AAU, Jorhat, Assam. Author

DOI:

https://doi.org/10.52151/jae2015523.1584

Keywords:

Physico-chemical properties, starch films, chitosan, tensile strength, WVTR

Abstract

The present study was undertaken to investigate the physico-chemical properties of tapioca starch films. Biodegradable films were prepared with starch concentration ranging between 1.5% - 3.0%, and glycerol concentration between 20% - 30% of total starch. Chitosan, a known anti-microbial polysaccharide, was added to increase the mechanical strength of one of the films. Film having 3% starch and 20 % glycerol of total starch with a casting depth of 5 mm was found to be the best with tensile strength of 9.23 MPa, solubility of 17.22%, WVTR of 306.58 gm.cm-2.day-1 and thickness of 1.5mm. Chitosan addition at the rate of 1% was not effective in improving the films tensile strength.

Author Biography

T.C. Sarmah, Department of Biochemistry and Agricultural Chemistry, AAU, Jorhat, Assam.

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