In the present study, we aimed to produce CGP/PVA films containing entrapped anti-inflammatory drugs for wound dressing applications. Using a 3 fractional factorial design, the effect of each component was evaluated on the physicochemical and morphological properties of the produced materials. The best formulation for entrapment of diclofenac sodium and ketoprofen was also determined.
View Article and Find Full Text PDFIn this study, the antioxidant, antimicrobial, mechanical, optical, and barrier attributes of starch bio-based edible films incorporated with a phenolic extract from jaboticaba peel were investigated. Aiming to determine the effect of the polymers and the phenolic extract on the properties of the films, a three-factor simplex-lattice design was employed, and the formulation optimization was based on the produced films' antioxidant potential. The optimized formulation of the starch-PEJP film showed a reddish-pink color with no cracks or bubbles and 91% antioxidant activity against DPPH radical.
View Article and Find Full Text PDFPolymeric membranes are a viable and sustainable option for the biotechnology industry from an economic and environmental point of view. In this study, we evaluated tissue response and tolerance to the implantation of a polymeric membrane prepared with cashew gum polysaccharide (CGP) associated with polyvinyl alcohol (PVA). The objective was to characterize the biocompatibility of the CGP/PVA membrane in vivo.
View Article and Find Full Text PDFIn this study, a nanocomposite produced with a blend of polyvinyl alcohol and partially hydrolyzed starch from Solanum lycocarpum was used as a matrix to entrap natural bioactive peptides from Phaseolus vulgaris. The nanocomposites were characterized by dynamic light scattering, scanning electron microscopy, and field emission gun scanning electron microscopy. The nanocomposites were then orally administered to Wistar rats, and their absorption was determined using morphometric, histopathological, cytochemistry, transmission electron microscopy, and biochemical analysis.
View Article and Find Full Text PDFThis work reports the production and characterization of biodegradable and eco-friendly films based on cashew gum polysaccharide (CGP) and polyvinyl alcohol (PVA), using the statistical design strategy. Results show that CGP/PVA films are pH stimuli-responsive, allowing their use in a magnitude of biotechnological applications. The morphological and dimensional characterization evidences a positive influence of polymers in the dimensional properties.
View Article and Find Full Text PDFIn this work, films produced by blending cashew gum polysaccharide (CGP) with PVA were used as support for immobilization of trypsin inhibitors with antimicrobial activity obtained from Platypodium elegans (PeTI) and Inga laurina (ILTI). The produced films had a homogeneous macroscopic surface with an absence of bubbles and cracks. SEM of CGP/PVA confirmed the porous structure of these materials, being observed a high incidence of pores with a diameter ranging from 0.
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