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Pak J Pharm Sci. 2015 Sep;28(5):1699-704.

In vitro antimicrobial, antioxidant activity and phytochemical screening of Apium graveolens.

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Department of Agricultural Chemistry, The University of Agriculture, Peshawar, KPK, Pakistan.
Institute of Biotechnology and Genetic Engineering, The University of Agriculture, Peshawar, KPK, Pakistan.
Pharmacy Department, University of Peshawar, KPK, Pakistan.
Department of Chemistry, University of Science and Technology, Bannu, KPK, Pakistan.


The present study evaluates the phytochemical screenings, antioxidant activity and antimicrobial assay of Apium graveolens L. The phytochemical screening showed the presence of flavonoids, tannins, saponins and steroids in Apium graveolens while terpenoids was absent. The total phenolic content was slightly higher in methanolic fraction (63.46 ± 12.00 mg GAE/g) followed by ethanol (36.60 ± 12.28 mg GAE/g) and hexane fractions (34.86 ± 6.96 mg GAE/g). The flavonoid content was high in methanolic extract (56.95 ± 7.14 mg Quorcetin/g) and low level of the content was found in methylated spirit extract (29.2 ± 3.15 mg Quercitin/g). Antioxidant activity assayed by FRAP was higher in methanolic fraction (12.48 ± 1.06 mmole of FeSO₄equivalent/litre of extract) compared with other extracts. Likewise, good antimicrobial activity was measured by crude ethanol fraction against S. aureus (MIC=0.12 ± 0.03 μg/ml) and S. typhi (MIC= 0.5 ± 0.2 μg/ml). Results also that ethanolic fraction was effective against A. flavus (MIC= 05 ± 1.0 μg/ml).

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