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Salim Ur Rehman, Rizwan Faisal, Zabta Khan Shinwari, Nisar Ahmad and Ijaz Ahmad

The extracts and its derived fractions from two important medicinal plants species Trigonella incisa and Nonea edgeworthii were tested for biochemical potential. The aim of our research was to encourage drug finding work with plants. The crude extract and fractions from Trigonella incisa plant were found to be most potent against Pseudomonas aeuriginosa as compared to Escherichia coli and Salmonella typhi. The Chloroform fraction showed outstanding inhibition 11 mm against Pseudomonas aeuriginosa followed by crude extract, n-butanol and aqueous fractions each giving 9 mm inhibition. The n-butanol fraction of Trigonella incisa revealed 8 mm inhibition against Escherichia coli second by aqueous fraction with 7 mm inhibition. Moderate inhibition (8 mm) was showed by crude extract and chloroform fraction against Salmonella typhi. In case of Nonea edgeworthii plant aqueous and ethyl acetate fraction were found to be most active against Pseudomonas aeuriginosa and Escherichia coli giving inhibition of 14 mm each which is found to be best inhibition even more than the inhibition showed by antibiotic used. Crude extract and chloroform fraction of the plant showed 12 mm and 10 mm inhibition against Salmonella typhi. Both the selected plants were found equally potential against the tested fungi. n-hexane and chloroform fractions of Trigonella incisa give 10 mm inhibition against Fusarium oxysporum and Alternaria alternata respectively while crude extract from Nonea edgeworthii give 11 mm inhibition against Alternaria alternata. Over all poor scavenging activity was showed by selected plants. Ethyl acetate fraction of both plants was found to be reasonably good when compared with standard. The low antioxidant profile of the plants may be due to the absence of flavonoids in plants .In preliminary phytochemical screening alkaloid, phenol and saponins were reported in both plants.

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