Mersin Körfezi`nden Örneklenen Yüzey Suyu ve Patella Türlerindeki (Patella caerulea, Patella rustica) Cr, Cd ve Pb Düzeylerinin Belirlenmesi

Ayas, Deniz; Kalay, Mustafa; Sangün, Mustafa Kemal

doi:10.5053/ekoloji.2009.705

Cited by 14 publications

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“…Cd, Cr, Pb levels of Patella species were found as 0.11-4.08 µg g -1 , 0.01-7.35 µg g -1 , 0.00-3.74 µg g -1 respectively. These levels obtained in the study of Ayas et al (2009) were higher to those found in the present study. These differences may be caused by different species used in these two studies.…”

Section: Metal Contentscontrasting

confidence: 51%

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THE CHEMICAL COMPOSITION OF CARAPACE MEAT OF SEXUALLY MATURE BLUE CRAB (Callinectes sapidus, RATHBUN 1896) IN THE MERSIN BAY

Ayas¹

2011

J FisheriesSciences.com

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Chemical composition of carapace meat from adult male and female blue crabs caught in the Mersin Bay, Northeastern Mediterranean, was investigated. The results of proximate analysis showed that carapace meat of female blue crabs had higher protein content and lower water content than those of the male. Moreover, there were variations in protein and water content of carapace meat of female and male crabs (p<0.05). Saturated fatty acid (SFA) content was detected as 24.76% for female crabs whereas it was 23.27% for male crabs. Monounsaturated fatty acid (MUFA) content in the meat of female blue crabs (29.57%) was higher than that of male blue crabs (26.63%). Besides, polyunsaturated fatty acid (PUFA) content of male crabs (42.80%) was higher than that of female crabs (39.15%). The dominant SFAs were palmitic acid (C16:0, 13.62%-14.23%) and stearic acid (C18:0, 6.42%-6.99%) for male and female crabs. The dominant MUFAs were palmitoleic acid (C16:1, 6.09%-8.65%) and oleic acid (C18:1, 14.66%-14.75%) in all samples. Statistically, there were no significant differences in eicosapentaenoic acid (EPA C20:5 n3) concentrations in carapace meat of male and female blue crabs (P>0.05). Besides, docosahexaenoic acid (DHA, C22:6 n3) concentrations in meat of male crabs were higher than those of the female (p<0.05).The total n-3 was detected as 29.70% for female crabs whereas it was 32.27% for male crabs. It was also found that crab meat was rich in terms of metal content, especially Cu, Zn, and Fe. Statistically, there were significant differences in Cd, Cr, Cu, Zn and Fe levels for carapace meat of male and female crabs (p<0.05). Cu, Zn, Fe content of female crabs was significantly higher (p<0.05) than male crabs. Journal of FisheriesSciences.com Ayas and Özoğul, 5(3): 262-269 (2011)Journal abbreviation: J FisheriesSciences.com 263 Özet: Mersin Körfezi'nden Eşeysel Olgunlaşmasını Tamamlamış Mavi Yengeç (Callinectes sapidus, Rathbun 1896) Karapaks Etinin Kimyasal KompozisyonuMersin Körfezi'nden yakalanan ergin dişi ve erkek mavi yengeçlerin kimyasal kompozisyonu araştırılmıştır. Dişi mavi yengeçlerin erkeklere göre protein düzeyi yüksek, su içeriği düşüktür. Dişi ve erkek yengeçlerin protein ve su düzeyi arasında istatistiksel farklılık vardır (p<0.05). Dişi yengeçlerin doymuş yağ asitleri (SFA) düzeyi %24.76, erkeklerin ise %23.27 olarak belirlenmiştir. Dişi yengeçlerin tekli doymamış yağ asitleri (MUFA) düzeyi (%29.57) erkeklerden (%26.63) yüksektir. Bunun yanı sıra erkek yengeçlerin çoklu doymamış yağ asitleri (PUFA) düzeyi (%42.80) dişilerden (%39.15) yüksektir. Mavi yengecin temel doymuş yağ asitleri palmitik asit (C16:0, %13.62-%14.23) ve stearik asit (C18:0, %6.42-%6.99) olarak belirlenmiştir. Temel tekli doymamış yağ asitleri palmitoleik asit (C16:1, %6.09-%8.65) ve oleik asit (C18:1, %14.66-%14.75) olarak saptanmıştır. Dişi ve erkek yengeçlerin eikosapentaenoik asit (EPA, C20:5 n3) düzeyleri arasında istatistiksel farklılık belirlenmemiştir (p>0.05). Bunun yanı sıra erkek yengeçlerin dokosaheksaenoik asit (DHA, C22:6 n3...

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Section: Metal Contentscontrasting

confidence: 51%

“…Besides, metal pollution levels in the Gulf of Mersin and Antalya might have affected these values. Pb, Cr and Cd levels of Patella caerulea and Patella rustica were determined by Ayas et al (2009) in Mersin Bay. Cd, Cr, Pb levels of Patella species were found as 0.11-4.08 µg g -1 , 0.01-7.35 µg g -1 , 0.00-3.74 µg g -1 respectively.…”

Section: Metal Contentsmentioning

confidence: 99%

THE CHEMICAL COMPOSITION OF CARAPACE MEAT OF SEXUALLY MATURE BLUE CRAB (Callinectes sapidus, RATHBUN 1896) IN THE MERSIN BAY

Ayas¹

2011

J FisheriesSciences.com

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“…Knowledge of heavy metal levels of muscle is important for human health. Heavy metal levels in muscle tissues of marine species has been determined by many researchers (Ayas and Ozoğul 2011, Yılmaz et al 2010, Ayas et al 2009, Kalay et al 2008, Çoğun et al 2006, Türkmen et al 2005, Turan et al, 2009, Ersoy and Celik, 2010.…”

Section: Introductionmentioning

confidence: 99%

DETERMINATION OF SEASONAL CHANGES ON SOME HEAVY METAL (Cd, Pb, Cr) LEVELS OF SHRIMP AND PRAWN SPECIES FROM NORTH-EASTERN MEDITERRANEAN SEA, GULF OF MERSIN, TURKEY

Ayas¹

2015

J Aquacult Eng Fish Res

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Abstract:The concentration levels of some potentially toxic trace elements such as Cd, Cr, and Pb in the muscle tissue of some shrimp and prawn species from Northeastern Mediterranean Sea, Gulf of Mersin, Turkey were seasonally determined in this study. The effects of seasons on the potentially toxic trace elements levels of regional commercially valuable five different shrimp and prawn species (green tiger prawn-Penaeus semisulcatus, kuruma prawn-Marsupenaeus japonicus, caramote prawn-Melicertus kerathurus, deepwater pink shrimp-Parapenaeus longirostris, speckled shrimp-Metapenaeus monoceros) were determined. 30 individuals of each species were caught by bottom trawling from the Mediterranean Sea (Gulf of Mersin) in four seasons in 2013. Shrimp and prawn samples were extracted using digestion method with concentrated nitric acid and per chloric acid and metal levels were measured using ICP/MS. The differences in Cd, Cr and Pb levels of muscle tissue in all species were determined as 0.44-1.40 µg/g dw, 1.38-5.80 µg/g dw, and 1.99-13.42 µg/g dw, respectively. The quantitative relationships generally found in the metal levels of muscle in all the species were: Pb> Cr> Cd, but the concentration of each potentially toxic heavy metal varied seasonally. If the data obtained by this study were evaluated with respect to the data in U.S. Food and Drug Administration (2013), it would be obviously seen that all the shrimp and prawn species living in Gulf of Mersin were not contaminated with Cd and Cr but contaminated with Pb. However, if it is analyzed in accordance with European Commission (2011)

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“…Due to M. spicatum contain low nitrogen, high cellulose and allelopathic compounds, they are not preferred as a food by other organisms and also affect the healthy development of the local species in the habitat [5]. It is known that cadmium has a toxic effect on all aquatic organisms [6][7]. They accumulate while being transferred to the upper organism groups by including in the food chain and cause a major environmental disaster.…”

Section: Introductionmentioning

confidence: 99%

Cadmium effects on total individual numbers, species diversity and pigments content of epiphytic diatoms growing on Myriophyllum spicatum L.

Sivaci

2012

Eur. J. Chem.

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KEYWORDSThis study investigated the total organism change, species richness, chlorophyll-a and carotenoid changes in the floral composition, which are developed by epiphytic diatom species growing on Myriophyllum spicatum L., collected from the Gokpinar Lake (Sivas, Turkey) against the effects of cadmium. The concentrations of the cadmium (0, 2, 4, 6, 8, and 16 mg/L) were used and they were exposed to heavy metal for 96 hours. The experimental set up was already assembled before the epiphytic diatoms separated from the M. spicatum. While the total organism decreased in all cadmium concentrations compared to the control group, the viability rate within the total organism decreased from 90 to %60. Cocconeis placentula var. euglypta (Ehr.) Grun. and Gomphonema minutum Ag. were found to be dominant species in the flora. The index of diversity was determined as 0.82 in the control group. Depending on the increase in cadmium concentration, this value decreased to 0.38. Chlorophyll-a and carotenoid quantities decreased with the increase of cadmium concentration. Diatom Pigment Diversity Epiphytic Cadmium Myriophyllum

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Mersin Körfezi`nden Örneklenen Yüzey Suyu ve Patella Türlerindeki (Patella caerulea, Patella rustica) Cr, Cd ve Pb Düzeylerinin Belirlenmesi

Cited by 14 publications

References 0 publications

THE CHEMICAL COMPOSITION OF CARAPACE MEAT OF SEXUALLY MATURE BLUE CRAB (Callinectes sapidus, RATHBUN 1896) IN THE MERSIN BAY

THE CHEMICAL COMPOSITION OF CARAPACE MEAT OF SEXUALLY MATURE BLUE CRAB (Callinectes sapidus, RATHBUN 1896) IN THE MERSIN BAY

DETERMINATION OF SEASONAL CHANGES ON SOME HEAVY METAL (Cd, Pb, Cr) LEVELS OF SHRIMP AND PRAWN SPECIES FROM NORTH-EASTERN MEDITERRANEAN SEA, GULF OF MERSIN, TURKEY

Cadmium effects on total individual numbers, species diversity and pigments content of epiphytic diatoms growing on Myriophyllum spicatum L.

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