Journals / Su Ürünleri Dergisi / 2012 / Cilt: 29 - Sayı: 1

Oscillatoria amphibia ve Spirulina platensis’in C-Fikosiyanin ve ham ekstraktlarının antioksidan ve sitotoksik etkileri üzerine karşılaştırmalı çalışma

comparative study on antioxidant and cytotoxic effects of Oscillatoria amphibia and Spirulina platensis C-phycocyanin and crude extracts

Pages
1–7
DOI
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As a result, although the pure C-PC of both cyanobacteria showed cytotoxic and antioxidant activities, the highest activity levels were obtained from O. amphibia extracts.

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Objective & Hypothesis:Abstract: In this study, antioxidant and cytotoxic effects of Oscillatoria amphibia Ege-Macc-14 (Lake Acıgöl-Denizli, Turkey) C-phycocyanin and the crude extract were compared with Spirulina platensis.
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Key Findings & Data:The aqueous extracts were found as non-toxic even at the highest concentrations (10 mg.ml-1).
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Conclusion & Impact:As a result, although the pure C-PC of both cyanobacteria showed cytotoxic and antioxidant activities, the highest activity levels were obtained from O. amphibia extracts.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Abstract: In this study, antioxidant and cytotoxic effects of Oscillatoria amphibia Ege-Macc-14 (Lake Acıgöl-Denizli, Turkey) C-phycocyanin and the crude extract were compared with Spirulina platensis. Since S. platensis is seen as the sole economical source of C-phycocyanin this comparison study may provide novel information for investigating new sources of C-PC and besides new promising cytotoxic compounds. Both species are cultivated under laboratory conditions and both the crude extracts and the C-PCs were obtained. Since O. amphibia has the possibility to produce toxic compounds, in order to figure out the toxicity of the biomass, the aqueous crude extracts of O. amphibia were tested against the brine shrimp directly. The aqueous extracts were found as non-toxic even at the highest concentrations (10 mg.ml-1). Human hepatocellular carcinoma (HEP-3B) cell line was used to investigate the cytotoxic effect of the extracts. The determined IC50 values of S. platensis C-PC, O. amphibia C-PC were 13.27 μg/ml, 4.19 μg/ml respectively and for S. platensis crude extract and O. amphibia crude extract the values were 16.34 μg/ml and 12.94 μg/ml, respectively. The potential antioxidant activity of the crude extracts and the pure C-PCs were evaluated by DPPH free radical, hydroxyl radical scavenging activity assays. As a result, although the pure C-PC of both cyanobacteria showed cytotoxic and antioxidant activities, the highest activity levels were obtained from O. amphibia extracts.

Özet

Özet: Bu çalışmada Oscillatoria amphibia (Ege Macc-14, Acıgöl-Denizli, Türkiye) anti oksidan ve sitotoksik etkileri, Spirulina platensis’in ham ekstrakt ve fikosiyanini ile karşılaştırılmıştır. S. Platensis’in tek ticari C-fikosiyanin kaynağı olarak görülmesinden dolayı bu çalışma yeni fikosiyanin kaynakları araştırma ve umut vaat eden sitoksik bileşik araştırmalarında yeni veriler sağlayabilir. Her iki tür de laboratuar koşulları altında kültüre alınarak ham ekstrakt ve C-fikosiyanin ekstraksiyonları yapılmıştır. O. amphibia’nın sitokisik bileşikler üretebilme potansiyelinden dolayı biyomasın toksisitesini araştırmak üzere sulu O. amphibia ekstreleri hazırlanmış ve artemialara direkt olarak uygulanmıştır. Sulu ham ekstraktlar en yüksek konsantrasyonda (10 mg.ml-1) bile toksik bulunmamıştır. Ekstraktların sitotoksisitesini belirlemek amacıyla insan karaciğer karsinoma (HEP-3B) hücre hattı kullanılmıştır. S. platensis C-fikosiyanini, O. amphibia C-fikosiyaninleri için IC50 değerleri sırasıyla 13,27 μg/ml ve 4,19 μg/ml olarak hesaplanmış ve bu değerler ham ekstratlar içinde yine sırasıyla 16,34 μg/ml ve 12,94 μg/ml olarak bulunmuştur. Ham ekstrakt ve C-fikosiyaninlerin antioksidan potansiyelleri ise DPPH serbest radikal ve hidroksil süpürme aktivite testleriyle belirlenmiştir. Sonuç olarak her iki siyanobakterinin saf C-fikosiyaninleri sitotoksik ve antioksidan aktivite göstermeleriyle birlikte en yüksek değerler O. amphibia ekstraktları için bulunmuştur.

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Cite This Article

DEMİREL, Z., USLU, S. H., NALBANTSOY, A., YILMAZ, F. F., TEPEDELEN, B. E., DELİLOĞLU, İ. G., CONK, M. D. (2012). Oscillatoria amphibia ve Spirulina platensis’in C-Fikosiyanin ve ham ekstraktlarının antioksidan ve sitotoksik etkileri üzerine karşılaştırmalı çalışma. Su Ürünleri Dergisi, Cilt: 29 - Sayı: 1, 1–7. https://ajindex.com/articles/311911

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