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Biological Screening Of Vitis Vinifera L. Leaf Fractions, Di̇dem Deli̇orman Orhan, Ni̇lüfer Orhan, Berri̇n Özçeli̇k, Fatma Ergun
Biological Screening Of Vitis Vinifera L. Leaf Fractions, Di̇dem Deli̇orman Orhan, Ni̇lüfer Orhan, Berri̇n Özçeli̇k, Fatma Ergun
Turkish Journal of Biology
The fractions of different polarity, namely chloroform, ethylacetate, n-butanol, and remaining water fractions, were fractionated from an aqueous extract of V. vinifera leaves. The antibacterial, antifungal, antiviral, antioxidant activities, and total phenolic content of these fractions were investigated. The chloroform fraction showed a promising effect against Herpes simplex virus type-1 (HSV-1) and Parainfluenza viruses (PIV). The results indicated that all the fractions were more pronounced against gram-positive bacteria (S. aureus and E. faecalis) than against gram-negative bacteria (E. coli and P. aeruginosa). On the other hand, the fractions showed equal antifungal activity against the genus Candida (C. albicans and C. …
Antibacterial Activities Of Extracts From Some Turkish Endemic Plants On Common Fish Pathogens, Hakan Türker, Arzu Bi̇ri̇nci̇ Yildirim, Fatma Pehli̇van Karakaş, Hi̇lal Köylüoğlu
Antibacterial Activities Of Extracts From Some Turkish Endemic Plants On Common Fish Pathogens, Hakan Türker, Arzu Bi̇ri̇nci̇ Yildirim, Fatma Pehli̇van Karakaş, Hi̇lal Köylüoğlu
Turkish Journal of Biology
Antibacterial activities of 24 alcoholic and aqueous extracts from 8 endemic Turkish plants (Crocus abantensis, Crocus ancyrensis, Galanthus plicatus subsp. byzantinus, Paronychia chionaea, Astragalus gymnolobus, Trifolium pannonicum subsp.elongatum, Eryngium bithynicum, and Convolvulus galaticus) of 7 different families were screened. Antibacterial activity was carried out with 5 different fish pathogens (Aeromonas hydrophila, Yersinia ruckeri, Streptococcus agalactia, Lactococcus garvieae, and Enterococcus faecalis). Crude extracts of endemic plant extracts were applied against the bacteria using the disc diffusion method under in vitro conditions. A. hydrophila was the only inhibited bacteria from all alcoholic and aqueous extracts of C. ancyrensis, G. plicatus, T. pannonicum, …