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Vernonia patens Kunth, an Asteraceae species with phototoxic and pharmacological activity

Pérez-Amador1 MC, V Muñoz Ocotero1, S Pérez Benitez1, F García Jiménez2
Facultad de Ciencias, Departamento de Biología.
Instituto de Química. Universidad Nacional Autónoma de México. Ciudad Universitaria. 04510. México, D.F. México.
Address Correspondence to: Dr. Maria Cristina Pérez-Amador; Facultad de Ciencias. UNAM. Circuito Exterior s/n Ciudad Universitaria. C.P. 04510. México D.F.; e-mail:,

Phyton-International Journal of Experimental Botany 2008, 77(all), 275-282.


The presence of phototoxic compounds in stems and leaves of young plants of Vernonia patens Kunth was confirmed by TLC. These compounds were in smaller amounts in younger than in adult plants of this species. Only the stems presented specific activity of these compounds from the two study plant organs. It included characteristic UV bands at 200 and 300nm, and phototoxic activity against Bacillus subtilis (ATCC-6633). Stems and leaves of Vernonia patens also showed anti-inflammatory activity and bactericide potential.


Asteraceae, phototoxic compounds, bactericide activity, anti-inflammatory activity

Cite This Article

, P., Benitez, S. P., Jiménez, F. G. (2008). Vernonia patens Kunth, an Asteraceae species with phototoxic and pharmacological activity. Phyton-International Journal of Experimental Botany, 77(all), 275–282.


This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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