Abstract
In this study the physicochemical properties and functional characteristics like antibacterial, antioxidant and UV resistant properties of chitosan, Aloe vera and silk sericin have been investigated. In order to determined different physicochemical and functional properties of chitosan, Aloe vera and silk sericin, antibacterial activity, antioxidant attribute, thermal property, UV protection factor were measured using different standard methods including FTIR, UV-Vis, and XRD instruments. The antibacterial activity was determined against S. aureus gram positive bacteria. Among the materials chitosan solution was shown best antibacterial activity. The antioxidant activity was evaluated by 2,2-diphenyl-1-picrylhydrazyl (DPPH) radicals. The results showed that silk sericin solution had a strong scavenging capacity for DPPH radicals compare to others. The extracted Aloe vera was shown better UV resistant property. The Aloe vera powder was shown highest crystalline diameter by XRD analysis.
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