phytochemical analysis and antimicrobial, antinociceptive, and anti-inflammatory activities of two chemotypes of pimenta pseudocaryophyllus (myrtaceae)
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2012
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Abstract
Preparations from Pimenta pseudocaryophyllus (Gomes) L.R. Landrum (Myrtaceae) have been widely used in Brazilian folk medicine. This study aims to evaluate the antimicrobial activity of the crude ethanol extracts, fractions, semipurified substances, and essential oils obtained from leaves of two chemotypes of P. pseudocaryophyllus and to perform the antinociceptive and anti-inflammatory screening. The ethanol extracts were purified by column chromatography and main compounds were spectrally characterised (1D and 2D 1H and 13C NMR). The essential oils constituents were identified by GC/MS. The broth microdilution method was used for testing the antimicrobial activity. The abdominal contortions induced by acetic acid and the ear oedema induced by croton oil were used for screening of antinociceptive and anti-inflammatory activities, respectively. The phytochemical analysis resulted in the isolation of pentacyclic triterpenes, flavonoids, and phenol acids. The oleanolic acid showed the best profile of antibacterial activity for Gram-positive bacteria (31.2–125 μg mL−1), followed by the essential oil of the citral chemotype (62.5–250 μg mL−1). Among the semipurified substances, Ppm5, which contained gallic acid, was the most active for Candida spp. (31.2 μg mL−1) and Cryptococcus spp. (3.9–15.6 μg mL−1). The crude ethanol extract and fractions from citral chemotype showed antinociceptive and anti-inflammatory effects.
| Reference Key |
paula2012evidence-basedphytochemical
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| Authors | ;Joelma Abadia Marciano de Paula;Maria do Rosário Rodrigues Silva;Maysa P. Costa;Danielle Guimarães Almeida Diniz;Fabyola A. S. Sá;Suzana Ferreira Alves;Élson Alves Costa;Roberta Campos Lino;José Realino de Paula |
| Journal | ACS applied materials & interfaces |
| Year | 2012 |
| DOI |
10.1155/2012/420715
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| URL | |
| Keywords |
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