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1.
Bol. latinoam. Caribe plantas med. aromát ; 19(3): 314-320, mayo 2020. ilus
Article in English | LILACS | ID: biblio-1116301

ABSTRACT

In order to evaluate the potential of this formulation (P. lentiscus L. oil-based ointment) to heal wounds, experimental wounds were done on guinea pigs and efficiency was comparatively assessed against a reference ointment, Cicaderma®. Wound contraction was performed on days 5, 10 and 15. Tissue sections were also evaluated histopathological on days 7, 14 and 21. Results showed that for all days (5, 10 and 15), the highest wound contraction values were attained for the P. lentiscus oil-based ointment treated group with wound contraction values of 19.38, 55.8 and 77.11%, respectively, as compared to the reference drug Cicaderma® where contractions were 7.97%, 49.53% and 71.44%, respectively. Vehicle and negative control groups however showed no statistically significant wound healing activity on the excision wound model. These experimental studies revealed that the P. lentiscus oil-based ointment displays remarkable wound healing activity, in accordance with its use in traditional medicine.


Con el fin de evaluar el potencial de esta formulación (ungüento a base de aceite de P. lentiscus L.) para curar heridas, se realizaron heridas experimentales en cobayos y se evaluó comparativamente su eficacia respecto de un ungüento de referencia, Cicaderma®. La contracción de la herida se realizó los días 5, 10 y 15. Las secciones de tejido también se evaluaron histopatológicamente los días 7, 14 y 21. Los resultados mostraron que para todos los días (5, 10 y 15), se obtuvieron los valores más altos de contracción de la herida para el grupo tratado con ungüento a base de aceite de P. lentiscus con valores de contracción de la herida de 19.38, 55.8 y 77.11%, respectivamente, en comparación con el medicamento de referencia Cicaderma® en donde las contracciones fueron 7.97%, 49.53% y 71.44%, respectivamente. Sin embargo, los grupos de control de vehículo y negativo no mostraron actividad de curación de heridas estadísticamente significativa en el modelo de herida por escisión. Estos estudios experimentales revelaron que la pomada a base de aceite de P. lentiscus muestra una notable actividad de curación de heridas, de acuerdo con su uso en la medicina tradicional.


Subject(s)
Animals , Male , Guinea Pigs , Ointments/pharmacology , Wound Healing/drug effects , Plant Oils/pharmacology , Pistacia/chemistry , Seeds
2.
Pakistan Journal of Pharmaceutical Sciences. 2013; 26 (5): 949-952
in English | IMEMR | ID: emr-138414

ABSTRACT

The present research investigation was aimed at the evaluation of antioxidant activities of methanolic [70%] extracts of whole plant of Pentanema vestitum and fruits of Pistacia integerrima, Withiana somniferra and Withiana coagulans on scavenging of 2, 2-diphenyl-2-picrylhydrazyl [DPPH] free radical. The rank of order of free antioxidant activity of the selected plants was; P. integerrima > P. vestitum > W. somniferra > W. coagulans as compared to standard Ascorbic acid. P. integerrima showed significantly higher activity at all concentrations as compared to Ascorbic acid at P<0.05. The percent inhibition caused by P. integerrima at lowest concentration [40 ppm] was 68.16 +/- 0.5 and that of Ascorbic acid was 62.00 +/- 0.5. The IC[50] value of P. integerrima was 5.75ppm as compared to ascorbic acid having 15.09 ppm. The percent inhibition at all concentrations caused by P. vestitum was not significantly different from Ascorbic acid at P<0.05. The IC[50] value of P. vestitum was 13.00ppm and that of Ascorbic acid was 15.09 ppm. The percent inhibitions caused by W. somniferra [IC[50]=46.85 ppm] and W. coagulans [IC[50]=84.40 ppm] were most significantly lower than Ascorbic acid at P<0.05. It is inferred from the current study that the methanolic [70%] extracts of the P. integerrima and P. vestitum could be used in preparation of potent antioxidant drugs


Subject(s)
Asteraceae/chemistry , Biphenyl Compounds/chemistry , Fruit , Methanol/chemistry , Phytotherapy , Picrates/chemistry , Pistacia/chemistry , Plant Preparations , Plants, Medicinal , Solanaceae/chemistry , Solvents/chemistry
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