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Nanostructured systems containing babassu (Orbignya speciosa) oil as a potential alternative therapy for benign prostatic hyperplasia

Authors de Sousa VP, Crean J, Borges VRA, Rodrigues CR, Tajber L, Boylan F, Cabral LM

Received 7 May 2013

Accepted for publication 14 June 2013

Published 15 August 2013 Volume 2013:8(1) Pages 3129—3139

DOI https://doi.org/10.2147/IJN.S47731

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Valeria Pereira de Sousa,1 Joanne Crean,2 Vinícius Raphael de Almeida Borges,1 Carlos Rangel Rodrigues,1 Lidia Tajber,2 Fabio Boylan,2 Lucio Mendes Cabral1

1Department of Pharmaceutics, Faculty of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil; 2School of Pharmacy and Pharmaceutical Sciences and Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland

Abstract: The oil of babassu tree nuts (Orbignya speciosa) is a potential alternative for treatment and prophylaxis of benign prostatic hyperplasia. Improved results can be obtained by drug vectorization to the hyperplastic tissue. The main objective of this work was the preparation and characterization of poly(lactic-co-glycolic acid) (PLGA) nanoparticle and clay nanosystems containing babassu oil (BBS). BBS was extracted from the kernels of babassu tree nuts and characterized by gas chromatography-mass spectrometry as well as 1H and 13C nuclear magnetic resonance. BBS-clay nanosystems were obtained by adding polyvinylpyrrolidone, Viscogel B8®, and BBS at a 2:1:1 mass ratio and characterized by X-ray diffraction, thermogravimetric analysis, infrared spectroscopy, and laser diffraction. The PLGA-BBS nanoparticles were prepared by the precipitation-solvent evaporation method. Mean diameter, polydispersity, zeta potential, and scanning electron microscopic images of the nanosystems were analyzed. Thermogravimetric analysis showed successful formation of the nanocomposite. PLGA nanoparticles containing BBS were obtained, with a suitable size that was confirmed by scanning electron microscopy. Both nanostructured systems showed active incorporation yields exceeding 90%. The two systems obtained represent a new and potentially efficient therapy for benign prostatic hyperplasia.

Keywords: babassu oil, nanocomposite, poly(lactic-co-glycolic acid), nanoparticles, benign prostatic hyperplasia, treatment, nanotechnology

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