alexa 6α-Acetoxy-7α-Hydroxy-Vouacapan Isolated from Pterodon pubescens Benth. Fruit’s with Selective Activity against Prostate Cancer Cell Line: Artifact or Natural Product?
ISSN: 2167-0412

Medicinal & Aromatic Plants
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Review Article

6α-Acetoxy-7α-Hydroxy-Vouacapan Isolated from Pterodon pubescens Benth. Fruit’s with Selective Activity against Prostate Cancer Cell Line: Artifact or Natural Product?

Lloret FC1, Santos CCJ2, Medina LS3, Queiroz NCA3, Sousa IMO3, Ruiz ALTG1,3, Carvalho JE1,3 and Foglio MA1,3*
1Department of Pharmacology, Anesthesiology and Therapeutics, Faculty of Dentistry, University of Campinas, P.O. Box 52, 13414-903, Piracicaba, SP, Brazil
2Institute of Chemistry and Biotechnology, Federal University of Alagoas, Campus A.C. Simões, Av. Lourival Melo Mota, 57072-970, Maceió, AL, Brazil
3Faculty of Pharmaceutical Science, University of Campinas, P.O. Box 6171, 13083-970, Campinas, SP, Brazil
*Corresponding Author : Fogolio MA
Department of Pharmacology, Anesthesiology and Therapeutics
Faculty of Dentistry, University of Campinas
P.O. Box 52, 13414-903, Piracicaba, SP, Brazil
Tel: 0055-19-997967698
E-mail: [email protected]
Received: January 27, 2016; Accepted: February 09, 2016; Published: February 11, 2016
Citation: Lloret FC, Santos CCJ, Medina LS, Queiroz NCA, Sousa IMO, et al. (2016) 6α-Acetoxy-7α-Hydroxy-Vouacapan Isolated from Pterodon pubescens Benth. Fruit’s with Selective Activity against Prostate Cancer Cell Line: Artifact or Natural Product? Med Aromat Plants 5:238. doi:10.4172/2167-0412.1000238
Copyright: © 2016 Lloret FC, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Challenges encountered in standardization of plant-derived drugs involves the determination of many parameters that implies quality control methods throughout the entire process from growing conditions to the final product. This study highlights the complexity of factors involved in the production of secondary metabolites in plants. Compound 6α-acetoxy-7α-hydroxy-vouacapan Isolated from Pterodon pubescens Benth. (Fabeacea) fruit dichloromethane extract, with in vitro cytotoxic selectivity on human prostate cancer cell line was investigated to determine if the compound is an artifact produced overtime on plant storage or is characteristic of plant genotype. The chemical composition of samples from São Carlos (São Paulo, Brazil) and Ponto Chique (Minas Gerais, Brazil) were monitored monthly during one year for geranylgeraniol, 6α-acetoxy-7α-hydroxy-vouacapan, 6α-hydroxy- 7α-acetoxy-vouacapan-17α-oate methyl ester and 6α-acetoxy-7α-hydroxy-vouacapan-17α-oate methyl ester. In vitro cytotoxicity screening against human prostate cancer cell line, evaluating total growth inhibition parameter (TGI) displayed higher selectivity and potent anticancer activity with TGI 11.43 μg mL-1 when higher 6α-acetoxy- 7α-hydroxy-vouacapan over total voaucapan ratio (3.14) was achieved. Nevertheless, 6α-acetoxy-7α-hydroxyvouacapan maintained approximately the same content throughout the year among the samples in opposition to overall voaucapan content. Samples from São Carlos at time zero had 26% geranylgeraniol content whereas Minas Gerais samples contained the highest content of 1.3%. Throughout the stability test geranylgeraniol concentration decreased with a straight relationship of overall increase of vouacapan content. The chemical variability data was evaluated using the statistical procedure based on Principal Component Analysis (PCA) to determine which of the extract’s components had a real impact on the in vitro antiproliferative activity. Data presented herein did not suggest that 6α-acetoxy-7α-hydroxy-vouacapan is produced as artifact overtime in storage. Further studies are needed to establish other markers involved with therapeutic activity to provide consistency of the development of products with quality, efficiency, and safety.

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