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Emine Sema Cetin

Emine Sema Cetin

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12
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Publications

Publications (12)
Article
In this study, the effects of cadmium sulphate (CdSO4), fleuresans irradiation, methyl jasmonate (MeJA) and sucrose treatments on the production of phenolic compounds in grapevine cell suspension cultures initiated from callus from petiole tissues of Vitis vinifera L. cvs. Gamay, Kalecik karasi and Okuzgozu were investigated. As the elicitors of Cd...
Article
Full-text available
In this study, the effects of cadmium sulphate (CdSO4), fleuresans irradiation, methyl jasmonate (MeJA) and sucrose treatments on the production of phenolic compounds in grapevine cell suspension cultures initiated from callus from petiole tissues of Vitis vinifera L. cvs. Gamay, Kalecik karası and Öküzgözü were investigated. As the elicitors of Cd...
Article
Full-text available
Background Plant secondary metabolites are possess several biological activities such as anti-mutagenic, anti-carcinogenic, anti-aging, etc. Cell suspension culture is one of the most effective systems to produce secondary metabolites. It is possible to increase the phenolic compounds and tocopherols by using cell suspensions. Studies on tocopherol...
Article
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Background The aim of the present work was to examine the role of UV-C irradiation on the production of secondary metabolites (total phenolic, total flavanols, total flavonols, catechin, ferulic acid and trans-resveratrol in phenolic compounds and α-, β-, γ- δ-tocopherols) in callus cultures. Studies on the effects of UV-C treatment on callus cultu...
Article
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Bu araştırma ülkemizde aşılı asma fidanı üretiminde yaygın olarak kullanılan 41 B ve Kober 5 BB Amerikan asma anaçları ile tuza dayanıklı olduğu bilinen 1616 C'nin in vitro koşullarda tuz stresine karşı göstermiş olduğu performansın belirlenmesi amacıyla gerçekleştirilmiştir. Bu amaçla in vitro koşullarda elde edilen sürgünler, 0 (kontrol), 50 mM,...
Article
In this study, chemical composition of canes which were sampled from ten different grape cultivars was investigated. For the determination of total phenolics, total flavanols and total flavonol contents, canes were analyzed spectrophotometrically. The phenolic compositions of the canes, including caffeic acid, catechin, p-coumaric acid, epicatechin...
Article
Grape seed and skin extracts and wines from Cabernet Sauvignon, Kalecik Karas{dotless} and Narince grape cultivars were assayed for their antioxidant properties and phenolic compositions. Total phenolic contents of the samples were determined by the Folin Ciocalteu method and compositions of the phenolics were separated by HPLC. Antioxidant activit...
Article
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Laboratuarında yürütülmüştür. Bu araştırmada, farklı besin ortamlarının Vittorio karanfil (Dianthus caryophyllus L.) çeşidinin sürgün ucu kültürünün, in vitro rejenerasyon yetenekleri üzerine etkilerinin belirlenmesi amaçlanmıştır. Çalışmada, sürgün ucu eksplantlarından tam bitkiye dönüşüm oranının, besin ortamı kompozisyonlarına göre büyük ölçüde...
Article
Full-text available
The objective of this study was to determine the nutrient and antioxidant contents of grape seed and pomace oil extracts from the main Turkish wine grape cultivars, Kalecik karasi, Narince, Hasandede and Emir. Dried and powdered seed and pomace materials were extracted with hexane. The results showed that the oil concentration of seeds ranged from...
Article
In the study, antibacterial activities of the seed extracts of three different grapes were examined against fifteen bacteria, and total phenolic contents of the extracts were additionally determined. The contents of total phenolic compounds of the grape seed extracts were 589.09 (Hasandede), 506.60 (Emir) and 549.54 (Kalecik Karasi) mg gallic acid...
Article
We have examined changes in endogenous hormones [indole-acetic acid (IAA), gibberellic acid (GA3), zeatin (Z) and abscisic acid (ABA)], total phenolic contents and seven major phenolic compounds (gallic acid, +(-) catechin, catechol, chlorogenic acid, o-coumaric acid, rutin and quercetin) in shoot tips of two grapevine cultivars ('Çavuş' and 'Hafiz...

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