The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay

Ayas, Deniz; ÖZOĞUL, Yeşim

The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay

Deniz AYAS, (Mersin Üniversitesi, Su Ürünleri Fakültesi, Mersin, Türkiye)

Yeşim ÖZOĞUL (Çukurova Üniversitesi, Su Ürünleri Fakültesi, Adana, Türkiye)

Journal of FisheriesSciences.com

8 1

Yıl: 2011 Cilt: 5 Sayı: 4 Sayfa Aralığı: 308 - 316 Metin Dili: Türkçe İndeks Tarihi: 29-07-2022

The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay

Öz:

Bu çalışmanın amacı Mersin Körfezi’nden yakalanan ergin dişi ve erkek mavi yüzücü yengeçlerin (Portunus pelagicus) karapaks eti kimyasal kompozisyonunun belirlenmesidir. Mavi yüzücü yengeçlerin protein düzeyi %20.75-%23.44, lipit düzeyi %1.13-%1.43, su düzeyi %73.31-%76.04 ve toplam mineral madde (TMM) düzeyi %1.81-%2.10 arasındadır. İstatistiksel olarak dişi mavi yüzücü yengeçlerin protein düzeyi erkeklerden yüksek lipit, su ve TMM düzeyi düşüktür (p<0.05). Çalışmada mavi yüzücü yengeçlerin temel yağ asitlerinin palmitik asit (C16:0), stearik asit (C18:0), palmitoleik asit (C16:1), oleik asit (C18:1n9), araşidonik asit (C20:4n6), eikosapentaenoik asit (EPA, C20:5n3) ve dokosaheksaenoik asit (DHA, C22:6n3) olduğu bulunmuştur. Erkek mavi yüzücü yengecin karapaks eti doymuş yağ asitleri (DYA) düzeyi (%24.94) dişilerinkine (%24.72) benzer bulunmuştur. Mavi yüzücü yengecin tekli doymamış yağ asitleri (TDYA) ve çoklu doymamış yağ asitleri (ÇDYA) sırasıyla %23.69-%26.52 ve %43.19-%45.98 arasında değişmektedir. Dişi ve erkek mavi yüzücü yengeçlerin karapaks eti palmitik ve stearik asit düzeyleri arasında istatistiksel bir farklılık bulunmamıştır (p>0.05). Bununla birlikte dişi ve erkek mavi yüzücü yengeçlerin karapaks eti palmitoleik asit, oleik asit, araşidonik asit, EPA ve DHA düzeyleri arasında istatistiksel bir ayrım bulunmaktadır (p<0.05). Dişi mavi yüzücü yengeçlerin EPA düzeyi (%21.09) erkek mavi yüzücü yengeçlerinkinden (%20.56) daha yüksektir. Erkek mavi yüzücü yengeçlerin DHA düzeyi (%14.57) ise dişilerinkinden (%12.41) yüksektir. Dişi mavi yüzücü yengeçlerin ÇDYA/DYA ve n-6/n-3 oranları sırasıyla 1.77, 0.28 olarak belirlenirken, bu oranlar erkekler için 1.82, 0.27 olarak belirlenmiştir. Bu çalışmada mavi yüzücü yengeçlerin karapaks etinin Cu ve Zn ile kontamine olduğu bulunmuştur.

Anahtar Kelime: palmitik asit toksik maddeler Portunus Portunus pelagicus oleik asit ağır metaller kimyasal bileşim mineraller gıda bulaşıklılığı stearik asit palmitoleik asit eikopentanoik asit doymuş yağ asitleri çinko lipit proteinler deniz ürünleri araşidonik asit monoenoik yağ asitleri balıkçılık bakır dokosahekzaenoyik asit

Konular: Balıkçılık

Eşeysel olgunlaşmasını tamamlamış mavi yüzücü yengecin (Portunus pelagicus Linnaeus 1758) kimyasal kompozisyonu

Öz:

The objective of the present study was to determine chemical composition of carapace meat of male and female mature blue swimmer crabs, Portunus pelagicus, caught in the Mersin Bay. The levels of protein ranged from 20.75% to 23.44%, lipid from 1.13% to 1.43%, and water from 73.31% to 76.04%, total mineral substance (TMS) from 1.81% to 2.10% for blue swim-mer crabs. Statistically, carapace meat of female blue swimmer crabs had higher protein level, and lower lipid, water and TMS levels than those of the male (p<0.05). In the present study, the major fatty acids found in blue swimmer crabs were palmitic acid (C16:0), stearic acid (C18:0), palmitoleic acid (C16:1), oleic acid (C18:1 n9), arachidonic acid (C20:4n6), eicosapentaenoic acid (EPA, C20:5n3) and docosahexaenoic acid (DHA, C22:6n3). Saturated fatty acid (SFA) level in the carapace meat of male blue swimmer crabs (24.94%) was similar female blue swimmer crabs (24.72%). Furthermore, the levels of monounsaturated fatty acids (MUFAs) changed from 23.69% to 26.52% and polyunsaturated fatty acids (PUFAs) from 43.19% to 45.98% for blue swimmer crabs. Statistically, there were no significant differences in palmitic acid and stearic acid levels in carapace meat of male and female blue swimmer crabs (P>0.05). Besides, statistically, there were significant differences in palmitoleic acid, oleic acid, arachi-donic acid, EPA and DHA levels in carapace meat of male and female blue swimmer crabs (P<0.05). EPA levels of female blue swimmer crabs (21.09%) were higher than male blue swimmer crabs (20.56%). Furthermore, DHA levels of male blue swimmer crabs (14.57%) were higher than female blue swimmer crabs (12.41%). The PUFA/SFA and n-6/n-3 was de-tected as 1.77, 0.28 for female blue swimmer crabs whereas it was 1.82, 0.27 for male blue swimmer crabs, respectively. In the present study, it was observed that carapace meat of blue swimmer crabs were contaminated with Cu and Zn.

Anahtar Kelime: stearic acid palmitoleic acid eicosapentaenoic acid saturated fatty acids zinc lipids proteins seafoods arachidonic acid monoenoic fatty acids fisheries copper docosahexaenoic acid palmitic acid toxic substances Portunus Portunus pelagicus oleic acid heavy metals chemical composition minerals food contamination

Konular: Balıkçılık

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	Ayas D, ÖZOĞUL Y (2011). The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay. , 308 - 316.
Chicago	Ayas Deniz,ÖZOĞUL Yeşim The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay. (2011): 308 - 316.
MLA	Ayas Deniz,ÖZOĞUL Yeşim The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay. , 2011, ss.308 - 316.
AMA	Ayas D,ÖZOĞUL Y The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay. . 2011; 308 - 316.
Vancouver	Ayas D,ÖZOĞUL Y The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay. . 2011; 308 - 316.
IEEE	Ayas D,ÖZOĞUL Y "The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay." , ss.308 - 316, 2011.
ISNAD	Ayas, Deniz - ÖZOĞUL, Yeşim. "The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay". (2011), 308-316.

APA	Ayas D, ÖZOĞUL Y (2011). The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay. Journal of FisheriesSciences.com, 5(4), 308 - 316.
Chicago	Ayas Deniz,ÖZOĞUL Yeşim The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay. Journal of FisheriesSciences.com 5, no.4 (2011): 308 - 316.
MLA	Ayas Deniz,ÖZOĞUL Yeşim The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay. Journal of FisheriesSciences.com, vol.5, no.4, 2011, ss.308 - 316.
AMA	Ayas D,ÖZOĞUL Y The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay. Journal of FisheriesSciences.com. 2011; 5(4): 308 - 316.
Vancouver	Ayas D,ÖZOĞUL Y The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay. Journal of FisheriesSciences.com. 2011; 5(4): 308 - 316.
IEEE	Ayas D,ÖZOĞUL Y "The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay." Journal of FisheriesSciences.com, 5, ss.308 - 316, 2011.
ISNAD	Ayas, Deniz - ÖZOĞUL, Yeşim. "The chemical composition of sexually mature blue swimmer crab (Portunus pelagicus,Linnaeus 1758) in the Mersin bay". Journal of FisheriesSciences.com 5/4 (2011), 308-316.