4.7 Article

Bioactive and Physico-Chemical Assessment of Innovative Poly(lactic acid)-Based Biocomposites Containing Sage, Coconut Oil, and Modified Nanoclay

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Publisher

MDPI
DOI: 10.3390/ijms24043646

Keywords

poly(lactic acid); sage; coconut oil; nanoclay; antioxidant; antimicrobial; cytocompatibility

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This study focuses on the preparation and evaluation of bioactive composites using melt processing of poly(lactic acid) (PLA) loaded with sage, coconut oil, and organomodified montmorillonite nanoclay. The resulting biocomposites showed flexibility, antioxidant and antimicrobial activity, as well as cytocompatibility, demonstrating potential for medical applications.
The bioactivity of the versatile biodegradable biopolymer poly(lactic acid) (PLA) can be obtained by combining it with natural or synthetic compounds. This paper deals with the preparation of bioactive formulations involving the melt processing of PLA loaded with a medicinal plant (sage) and an edible oil (coconut oil), together with an organomodifed montmorillonite nanoclay, and an assessment of the resulting structural, surface, morphological, mechanical, and biological properties of the biocomposites. By modulating the components, the prepared biocomposites show flexibility, both antioxidant and antimicrobial activity, as well as a high degree of cytocompatibility, being capable to induce the cell adherence and proliferation on their surface. Overall, the obtained results suggest that the developed PLA-based biocomposites could potentially be used as bioactive materials in medical applications.

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