Hybrid bacterial cellulose‐collagen membranes production in culture media enriched with antioxidant compounds from plant extracts

Published on Sep 2, 2020in Polymer Engineering and Science2.428
· DOI :10.1002/PEN.25514
Isabela de Andrade Arruda Fernandes4
Estimated H-index: 4
(UFPR: Federal University of Paraná),
Giselle Maria Maciel18
Estimated H-index: 18
+ 4 AuthorsCharles Windson Isidoro Haminiuk25
Estimated H-index: 25
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Abstract
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Abstract null null Agro-industrial wastes to be a global concern since agriculture and industrial processes are growing exponentially with the fast increase of the world population. Biopolymers are complex molecules produced by living organisms, but also found in many wastes or derived from wastes. The main drawbacks for the use of polymers are the high costs of the polymer purification processes from waste and the scale-up in the case of biopolymer production by microorganisms. However, the use...
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This study is aimed to cost-effectively produce bacterial cellulose (BC) and impart it with antimicrobial activity by introducing bactericidal plant extracts into its three-dimensional matrix through an ex situ modification strategy. Briefly, the fruit wastes were utilized as the carbon source for BC production by Gluconacetobacter hansenii, followed by impregnation of bioactive extracts of Anogeissus dhofarica and Withania somnifera plants. FE-SEM and FTIR analyses showed the successful synthes...
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#1Chun-Xiu Chen (Sichuan University)
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Dialdehyde hydroxypropyl methylcellulose (DHPMC)/Collagen (DHPMC/COL) solutions were prepared with different DHPMC contents (0–70 wt%). According to the viscosimetric method, all samples were compatible. The compatibility was related to Schiff’s base, which formed between the amino groups of collagen and the dialdehyde groups of DHPMC. When DHPMC content increased, the cross-linking degree increased, and the synchronous negative cross-peaks between the C-O(H) of DHPMC at 1031 cm−1 and amide band...
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Bacterial cellulose membranes (BCs) are becoming useful as a drug delivery system to the skin. However, there are very few reports on their application of plant substances to the skin. Komagataeibacter xylinus was used for the production of bacterial cellulose (BC). The BC containing 5% and 10% ethanolic extract of Epilobium angustifolium (FEE) (BC-5%FEE and BC-10%FEE, respectively) were prepared. Their mechanical, structural, and antioxidant properties, as well as phenolic acid content, were ev...
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