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Plant extract-loaded bacterial cellulose composite membrane for potential biomedical applications

Journal of Bioresources and Bioproducts 2021年第1期6卷 26-32页

作者： Atiya Fatima Sumayia Yasir mohdshariq khan Sehrish Manan Muhammad Wajid Ullah Mazhar Ul-Islam Department of Chemical Engineering College of EngineeringDhofar UniversitySalalahSultanate of Oman Department of Biomedical Engineering Huazhong University of Science and TechnologyWuhan 430074China

Bacterial cellulose(BC)has been extensively explored as biomaterial for various biomedical applications owing to its non-toxic nature and unique structural morphology and impressive physicochemical and mechanical ***,its high production cost and lack of antimicrobial activity have restricted its large-scale production and therapeutic ***,the current study is aimed to devise a strategy for low-cost BC production and develop its composite with bioactive materials to bless it with antimicrobial ***,5 mm thick reticulated fibrous and highly porous BC was produced by utilizing the wasted rotten tomatoes as the production *** produced bacterial cellulose waste(BCW)(i.e.,produced from wastes)was ex-situ modified with bioactive plant extract(PE)obtained from Euclea schimperi,and the bactericidal activity of the developed BCW/PE was evaluated against Gram-positive Staphylococcus aureus and Gram-negative Escherichia coli through disc diffusion and colony forming unit(CFU)count *** BCW/PE composite showed high bactericidal activities against *** and produced clear inhibition zone whereas negligible activity was observed against ***,indicating its bactericidal activity mainly against the Gram-positive ***,this study illustrates that there is a huge potential for developing valuable biomaterials from food wastes and utilizing their liquid holding capabilities for value-added applications in medical and pharmaceutical fields.

关键词： Bacterial cellulose Food waste Plant extract Bactericidal activity Biomedical application

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