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| PENG,Yong; WANG,Qingguo; SHI,Jingying; CHEN,Yilun; ZHANG,Xiaoyan. |
| Abstract In order to optimize the performance of chitosan-tea polyphenols composite films, effects of glycerol and Tween on the antioxidative activities and physical performance of chitosan composite films were evaluated. The results indicated that both flexibility and water vapour permeability of chitosan/tea polyphenols films were improved with the addition of glycerol, meanwhile the solubility and swelling degree decreased. Moreover, the release time of antioxidants from films was delayed with the addition of glycerol. The presence of Tween 20 had no significant effect on the tensile strength of films, but changed the DPPH radical scavenging activity depending on the blend ratio of glycerol and Tween. DSC, FTIR and X-ray analysis showed strong... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chitosan film; Green tea polyphenols; Optimization; Antioxidant ability; X-ray diffraction. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612020000100162 |
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