, crystal structure, computational analysis and biological properties of 1-(4-chlorobenzoyl)-3-[2-(2-{2-[3-(4-chlorobenzoyl)-thioureido]-ethoxy}ethoxy)ethyl]thiourea and its Ni(II) and Cu(II) complexes
In this study, the antimicrobial activity of Pistacia terebinthus L. and Papaver rhoeas L. extracts were tested against some pathogen microorganisms. Leaves of the plant samples were freeze-dried and powdered. Three solvents were used for extraction. The agar well diffusion method is used for the antimicrobial activities of extracts. Six different bacteria, two yeasts, and two molds were used. The extracts of P. terebinthus L. was found more effect than P. rhoeas L. extracts against tested bacteria and fungi pathogens.
In this study, the antibacterial and anticandidal effects of the leaf extracts of Persea americana Mill. were examined against some pathogenic bacteria and some Candida species. Plant leaves were reduced to powder with liquid nitrogen. n-propanol, methanol, acetone, n-hexane, ethyl acetate, ethanol and boiling water as solvents were used for extraction. The agar well diffusion method is u sed for the a ntimicrobia l activities of extra cts. Test microorga nisms were 1 8 bacteria and 4 yeasts. Also, different antibiotic discs were used for comparison of the zone of inhibition. T he extra cts of the n-propa nol, a cetone, a nd ethanol of P. a me ric a na lea ves showed high activity as regards to other solvents, respectively. The extracts of the n-propanol and acetone of P. americana leaves inhibited S. aureus ATCC 25923, P. vulgaris ATCC 33420 and B. cereus ATCC 11778 and the inhibition zones ranged between 13-14 mm. Methanol and ethanol extracts of P. americana leaves demonstrated moderate antimicrobial effect against S. aureus ATCC 25923, P. vulgaris ATCC 33420, P. aeruginosa ATCC 35032, C. albicans ATCC 10231 and the inhibition zones ranged between 10-11 mm., while they inferred low effect (9 mm) on S. typhimurium ATCC 14028. The boiling water extract of P. americana leaves showed a high effect against P. aeruginosa ATCC 35032 and C. albicans ATCC 10231 and the inhibition zones ranged between 12-13 mm., while it indicated low effect (9 mm) on C. tropicalis. The ethyl acetate extract of P. americana leaves showed moderate effect (10 mm) on S.epidermidis ATCC 12228, C. xerosis ATCC 373, P. vulgaris ATCC 33420, while it demonstrated low effect (9 mm) on B. cereus ATCC 11778. However, hexane extract of P. americana leaves indicated no effect against tested microorganisms.
Strawberry is a kind of delicious and aromatic fruit, which can be consumed
as fresh and also is suitable for industry. However, strawberry is exposed to many
fungal diseases. The aim of this study is to determine the fungi that present in
the field whether or not pathogenic. Samples were collected from different strawberry
fields in Aydın in April 2015. Morphological identification was made according to
the shape and color of the colonies, mycelium and spore structures. For molecular
identification, ITS rDNA gene region was used. According to morphological and molecular
methods, eleven different fungal genera were found on strawberries.
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