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Natural rubber latex: Study of a novel carrier for Casearia sylvestris swartz delivery


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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Natural rubber latex (NRL) from Hevea brasiliensis has showed interesting biomedical properties as improving wound healing, cell adherence, tissue formation, and angiogenesis. It is used for biosynthesis of nanoparticles, sensors and prosthesis and for drug delivery systems (for drugs, plant extracts, and nanoparticles). To enhance its wound healing properties was incorporated Casearia sylvestris Swartz extract, whose pharmacological activity includes anti-inflammatory, analgesic, antiseptic, antiulcer, and antitumor due to its casearins and phenols. Results showed the prolonged release of its compounds (35 days) and the mechanism of release is super case II ( > 1) by Korsmeyer-Peppas model. Although SEM shows different sizes of clusters at the surface, the release is homogeneous through the biomembrane. FTIR shows no interaction between the matrix and the extract, with computation of the presence of some casearins.

Universidade Estadual Paulista Júlio de Mesquita Filho, Faculdade de Ciências Farmacêuticas de Araraquara, Araraquara, Faculdade de Araraquara - Ciências Farmacêuticas, Centro, CEP 14801902, SP, Brasil

Universidade Estadual Paulista Júlio de Mesquita Filho, Departamento de Ciências Biológicas, Faculdade de Ciências e Letras de Assis

Universidade Estadual Paulista Júlio de Mesquita Filho, Departamento de Princípios Ativos Naturais e Toxicologia, Faculdade de Ciências Farmacêuticas de Araraquara

Universidade Estadual Paulista Júlio de Mesquita Filho. Departamento de Física, Faculdade de Ciências de Bauru

Universidade Estadual Paulista Júlio de Mesquita Filho, Instituto de Química de Araraquara

FAPESP: 2012/08007-1

FAPESP: 2011/17411-8

Document Type Journal article
Language English
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