Van Yöresinde Yetişen Bazı Bitkilerin Antimikrobiyal Aktivitelerinin Belirlenmesi

Bu çalışmada, Van'da yetişen 10 farktı bitki türünden elde edilen Tris-HCI özütlerinin antimikrobiyal aktiviteleri 5 Gram-pozitif (Staphylococcus aureus ATCC 25923, S. epidermidis, Micrococcus luteus ATCC 9345, Bacillus cereus ATCC 7064 ve B, thuringjensis var. israelensis), 2 Gram-negatif (Escherichja coli ATCC 4230 ve Enterococcus faecalis ATCC 29212) ve 3 maya (Candida krusei ATCC 6258, C, parapilosis ATCC 22019 ve C. albicans ATCC 14053) türüne karşı disk difüzyon yöntemi kullanılarak belirtendi. Salvia kronenburgii, Antrjseus nenorosa ve Cephaloria setosa özütlerinin test edilen bütün suşlara karşı en yüksek antimikrobiyal etkiye sahip olmalarına karşın, Thymus franscaucasicus, Morus alba, Pinus nigra subsp. pallasiana ve Hypericum perforatum özütlerinin etkisiz oldukları bulundu. Diğer taraftan, Syringae vulgaris ile Salix alba özütleri düşük antimikrobiyal aktivite gösterdi. Ayrıca, Alyssum meniocoides özütünün funguslara (12-16 mm) daha etkili olduğu belirlendi. Sonuç olarak, bu araştırma antibakteriyal ve antifungal etkiye sahip olduğu belirlenen 4 bitki türünün Tris-HCl özütlerinin doğal antimikrobjyal ajan olarak kullanılabileceğini göstermektedir.

Anahtar Kelimeler:

Antimikrobiyal etki, bitki ekstraktları

The Determination of Antimicrobial Activities of Some Plants Growing in Van Region

: In the present study, the antimicrobial activities of 10 different plant species growing in Van region were determined against 5 Gram-positive (Staphylococcus aureus ATCC 25923, S. epidermidis, Micrococcus iuteus ATCC 9345, Bacillus cereus ATCC 7064 and B. thuringiensis var. israelensis 2 Gram-negative (Escherichia coli ATCC 4230 and Enterococcus faecalis ATCC 29212) and 3 yeast (Candida krusei ATCC 6258, C. parapffosis ATCC 22019 and C. albicans ATCC 14053) $trains by using disc diffusion method. White the extracts of Saivia kronenburgii, Antriseus nenorosa and Cephaloria setosa were the highest antimicrobial activity against all tested strains, it was found that the extracts of Thymus transcaucasjcusj Morus albay Pinus nigra subsp. pallasiana and Hypericum perforatum had no antimicrobial activity. However, the extracts of Syrjngae vulgaris and Salix alba exhibited Iow antimicrobial activity against tested microorganisms. Also the extract of Alyssum meniocoides was most effective against yeast strains (1216 mm). Consequently, the research indicated that Tris-HCI extracts of four plants extract that having good antibacterial and antifungal activity can be used as natural antimicrobial agents.

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