 @article{xu_shi_gao_shi_yang_hao_2023,  title={Preparation and characterization of PH-responsive polyvinyl alcohol/chitosan/anthocyanin films},  volume={43},  ISSN={0101-2061},  url={https://doi.org/10.1590/fst.98022},  DOI={10.1590/fst.98022},  journal={Food Science and Technology},  publisher={Sociedade Brasileira de Ciência e Tecnologia de Alimentos},  author={XU, Hongyu and SHI, Ying and GAO, Li and SHI, Nan and YANG, Junyan and HAO, Rui},  year={2023},  pages={e98022} }