alexa In vitro Antioxidant Activity between Bioactive Compounds from Nine Species of Passiflora
ISSN: 2320-0189

Research & Reviews: Journal of Botanical Sciences
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Research Article

In vitro Antioxidant Activity between Bioactive Compounds from Nine Species of Passiflora

DAV Montero1*, LC Ming1, MG Borguini2, M Cavalcante2, GPP Lima2, S Fabian3 and LMM Meletti4

1Laboratory of Medicinal Plants and Ethnobotany, Horticulture Faculty of Agronomic Science, State University of São Paulo, Botucatú, Brazil

2Laboratory of Chemistry and Biochemistry, Institute of Bioscience, State University of São Paulo, Botucatú, Brazil

3Gruppo Ricerca Piante Officinali, Dipartimento di Agronomia Animali Alimenti Risorse Naturali e Ambiente, Universitá degli Studi di Padova, Padova, Italy

4Horticulture center, Agronomic Institute, Campinas, Brazil

*Corresponding Author:
Daniel Villamil M
Laboratory of Medicinal Plants and Ethnobotany, Horticulture Department, State University of Sao Paulo, Brazil
Tel: Tel 55 19 983448125
Fax: 55 14 38807132
E-mail: [email protected]

Received date: 05 May 2015 Accepted date: 16 June 2015 Published date: 18 June 2015

 

Abstract

Main bioactive substances identified from the genus Passiflora include polyphenols, flavonoids, carotenoids, anthocyanins and other natural antioxidants that are critical factors for maintaining optimum health. Polyphenols mainly C-glycosides are present in well studied species such as P. edulis, P. incarnata and P. alata. However, most Passiflora species remains little explored and it’s for this reason that we address our work at the comparison between species. Three experiments with completely randomized designs were performed in order to compare the total amount of flavonoids, phenols and in vitro free radical DPPH scavenger activity (%DPPH) of nine species of Passiflora (P. edulis, P. alata, P. incarnata, P. ligularis, P. tripartite, P. coccinea, P. gardneri, P. laurifólia and P. mucronata). Non parametric Kruskal-Wallis and Friedman tests (for flavonoids), parametric analyses of variances (Anova) and the last significant differences (LSD) tests (for phenols and free radical scavenger activity) were performed to compare the studied species and then a correlation analysis was carried out to assess the interaction between the variables using RStudio statistical software. Results showed significant differences between the studied passionflowers for the total amount of flavonoids (p=4.4e-5), total amount of phenols (p=2.2e-16) and scavenger activity of the free radical DPPH (p=2.2e-16). Also, we found a positive correlation between %DPPH scavenging activity and the total content of polyphenols (Pearson’s coefficient=0.706) and a negative one between flavonoid (Pearson’s coefficient=-0.485). The results suggest that in passionflower leaf samples the scavenging activity of the free radical DPPH is more related with polyphenols rather than flavonoids.

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