Journals / Journal of Anatolian Environmental and Animal Sciences / 2022 / Cilt: 7 Sayı: 3

Seasonal Proximate Composition, Amino Acid and Trace Metal Contents of the Great Mediterranean scallop (Pecten jacobaeus) Collected from the Gulf of Antalya

Antalya Körfezi’nden Toplanan Akdeniz Deniz Tarağı (Pecten jacobaeus)’nın Mevsimsel Ham Besin Bileşimi, Amino Asit ve İz Metal İçerikleri

Pages
358–366
Publication Date
2022-09-30
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

According to the results; condition index and gonadosomatic index were found highest in the summer, while meat yield was found highest in the autumn.

📌 3 Key Takeaways

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Objective & Hypothesis:This study evaluated the seasonal nutrient content and trace element composition of the great Mediterranean scallop (Pecten jacobaeus), which is among the economic scallop species.
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Key Findings & Data:The samples were obtained as by-catch from the trawler nets of commercial fishing boats operating in the Gulf of Antalya seasonally between 2017 and 2018.
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Conclusion & Impact:According to the results; condition index and gonadosomatic index were found highest in the summer, while meat yield was found highest in the autumn.
🔬Design:Research Article
📍Scope:2017 Verileri
⚙️Variables:çift kabuklular · esansiyel amino asitler · su ürünleri güvenliği

Abstract

This study evaluated the seasonal nutrient content and trace element composition of the great Mediterranean scallop (Pecten jacobaeus), which is among the economic scallop species. The samples were obtained as by-catch from the trawler nets of commercial fishing boats operating in the Gulf of Antalya seasonally between 2017 and 2018. After determining the scallops' growth indices of the scallops; proximate composition, amino acid and element analyses were carried out. According to the results; condition index and gonadosomatic index were found highest in the summer, while meat yield was found highest in the autumn. The muscle tissue's crude protein and ash ratio decreased to mimimum values in summer. Crude fat was determined at the highest level in the spring and decreased after the summer when the reproduction period was over (P<0.05). Total amino acid contents in muscle were found between 13.313±0.81 to 15.047±0.57 g/100g. Valine, phenylalanine and isoleucine decreased from autumn to summer (P<0.05), no statistically significant change was found in amounts of tryptophan and threonine (P>0.05). Also, P. jacobaeus was found rich in boron, zinc, and manganese. All trace elements measured in this study were found below the acceptable limits. Amongst the toxic metals, arsenic and mercury were not detected in the scallop tissues. Although cadmium and lead were not detected in muscle tissue, they were found in the digestive gland even below the acceptable limit values.

Özet

Bu çalışmada, ekonomik tarak türleri arasında yer alan Akdeniz deniz tarağı (Pecten jacobaeus)’nın mevsimsel besin içeriği ve iz metal içerikleri değerlendirilmiştir. Örnekler Antalya Körfezi'nde faaliyet gösteren ticari balıkçı teknelerinin trol ağlarından hedef dışı av olarak 2017-2018 yılları arasında alınmıştır. Deniz taraklarının bazı büyüme indeksleri belirlendikten sonra, ham besin bileşimi, amino asit ve element analizleri gerçekleştirilmiştir. Sonuçlara göre; kondisyon indeksi ve gonadosomatik indeks en yüksek yaz mevsiminde, et verimi ise en yüksek sonbaharda tespit edilmiştir (P<0.05). Yaz mevsiminde kas dokusunun ham protein ve kül oranı en az miktarlarda bulunmuştur. Ham yağ miktarı ise ilkbaharda en yüksek düzeyde belirlenmiş olup üreme döneminin bittiği yaz mevsiminden sonra azalmıştır (P<0.05). Kas dokunun toplam amino asit içeriği ise 13,313±0,81 ile 15,047±0,57 g/100g arasında tespit edilmiştir. Valin, fenilalanin ve izolösin miktarları sonbahardan yaz mevsimine doğru azalış gösterirken (P<0.05), triptofan ve treonin miktarlardında istatistiksel olarak anlamlı bir değişim saptanamamıştır (P>0.05). Ayrıca, P. jacobaeus’un bor, çinko ve manganez açısından zengin olduğu tespit edilmiştir. Bu çalışmada tespit edilen tüm iz elementler kabul edilebilir limit değerlerin altında bulunmuştur. Toksik metallerden arsenik ve cıva ise tarak dokularında tespit edilememiştir. Kadmiyum ve kurşun ise kas dokusunda tespit edilememelerine rağmen, miktarları sınır değerlerin altında olsa da sindirim kesesinde tespit edilmiştir.

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Cite This Article

VESKE, E., ÇANKIRILIGİL, E. C., YAVUZCAN, H. (2022). Seasonal Proximate Composition, Amino Acid and Trace Metal Contents of the Great Mediterranean scallop (Pecten jacobaeus) Collected from the Gulf of Antalya. Journal of Anatolian Environmental and Animal Sciences, Cilt: 7 Sayı: 3, 358–366. https://ajindex.com/articles/907551

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