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1 Journal of Achievements in Materials and Manufacturing Engineering

1 2016

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Starch bioplastic film as an alternative food-packaging material

Jeyasubramanian K., Balachander R.

Journal of Achievements in Materials and Manufacturing Engineering

2016

Vol. 75, nr 2

78--84

Purpose: To synthesize bioplastics on a small scale from starch available in potato and to study the characteristics of the same when pectin is blended with it. Design/methodology/approach: The bioplastics are fabricated manually using starch extracted from potato and glycerol. Pectin was blended to this combination to synthesize another set of bioplastic films. The characterization of the obtained films were done by FTIR spectroscopy, SEM analysis, water solubility test, water absorption test and biodegradability test. Findings: The synthesized films were found to be physically similar to the commercially available films. However on further study, it was found that the former could not provide adequate strength as compared to the latter though the former could still be used for light duty purposes. The advantage of the former over the latter was that it was found to be degradable. Research limitations/implications: Environment-friendly manufacture of the films on a large scale is yet to be studied upon. Economic and eco-friendly methods to improve the tensile strength of the bioplastics to bring it at par with the commercial plastic films are to be found out. Practical implications: The starch and starch-pectin blend films were found to be water soluble. However, they were also found to absorb water which could be implied as a disadvantage. The main objective of biodegradability was achieved. Originality/value: Though researches are going on in the field of biodegradable films, the addition of pectin to starch to improve the characteristics of degradable films is an area where more research has to be done. This paper inculcates the study of adding pectin to starch and the resulting changes in the characteristics of the starch film.