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Essential Oil Composition and Antimicrobial Activity of Vismia macrophylla Leaves and Fruits Collected in Táchira-Venezuela
Hydrodistillation of Vismia macrophylla Kunth leaves and fruits yielded 1.3%, v/w, and 5.6%, v-w, of essential oil and antibacterial activity against Gram-positive and Gram-negative bacteria, respectively.
In vitro antioxidant activity and qualitative phytochemical analysis of two Vismia (Hypericaceae) species collected in Los Andes, Venezuela.
A relationship between the antioxidant activity, total phenol and flavonoids content of the extracts analyzed was demonstrated in this investigation since those samples with higher phenolic concentrations showed likewise higher antioxidant activity.
Indicadores de la educación virtual / Virtual education indicators
La Educacion Virtual es una modalidad nueva de la Educacion a Distancia apoyada en  las  Tecnologias  de  la  Informacion  y  la  Comunicacion.  Representa  una  ventaja para la educacion ya que