Guar gum and Chitosan are polysaccharides that are extracted from guar beans and shells of crab & shrimps.
Fabricated guar gum-chitosan film with high water stability, high mechanical strength, and excellent resistance against harsh environmental conditions can be used in packaging applications.
The Fabricated biopolymer composite film had high water stability, high mechanical strength as well as excellent resistance towards harsh environmental conditions. The fabricated cross-linked film is not easily soluble in water. As per scientists, it did not dissolve even after 240 hours. Furthermore, the mechanical strength is higher compared to general biopolymer. It is highly water repellent or hydrophobic because of its high contact angle of 92.8º. Water vapor permeability is low as compared to the film made only from chitosan.
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