Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate

Yildiz, Mustafa; GÜN, Hüseyin; ŞENER, Erdal

Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate

Mustafa YILDIZ, (İstanbul Üniversitesi, Su Ürünleri Fakültesi, Su Ürünleri Yetiştiriciliği Bölümü, İstanbul, Türkiye)

Erdal ŞENER, (TÜBİTAK MAM Gıda Bilimi ve Teknolojisi Araştırma Enstitüsü, Gebze, Kocaeli, Türkiye)

Hüseyin GÜN (TÜBİTAK MAM Gıda Bilimi ve Teknolojisi Araştırma Enstitüsü, Gebze, Kocaeli, Türkiye)

Turkish Journal of Veterinary and Animal Sciences

1 0

Yıl: 2006 Cilt: 30 Sayı: 1 Sayfa Aralığı: 143 - 150 Metin Dili: Türkçe İndeks Tarihi: 29-07-2022

Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate

Öz:

Antioksidant madde olarak artan düzeylerde (sırasıyla 100, 300 ve 500 mg $kg^{-1}$ diyet) $alpha$ -tocopherol acetate ilave edilen diyetlerle beslenen üç grup gökkuşağı alabalığının filetolarındaki E vitamini düzeyine, yağ asidi kompozisyonuna ve lipit oksidasyonuna 1 ± 0,3 °C ' de yapılan soğuk depolamanın etkisi incelendi. 58 gün süresince deney diyetleri ile beslenen balıklar (ortalama başlangıç ağırlığı, 131 ± 1,0 g) deney sonunda ortalama olarak 299 ± 6,1 g ağırlığa ulaştı ve deney grupları arasındaki istatistiki fark önemsiz bulundu (P > 0,05). Balıkların fileto örnekleri taze (0. gün) ve 9 gün süresince 1 ± 0,3 °C 'de yapılan depolamadan sonra analiz edildi. Filetolardaki yağlarda meydana gelen oksidasyonu ölçmek amacıyla tiyobarbutirik asit reaktif (TBARS) testi kullanılmıştır. 58 günlük yemlemenin sonunda diyetlerdeki E vitamini düzeylerinin balıkların filetosundaki $alpha$ -tocopherol ve TBARS düzeylerini önemli derecede etkilediği görülmüştür. Deney sonunda E100, E300 ve E500 diyetleri ile beslenen balıkların filetolarındaki $alpha$ -tocopherol düzeyleri sırasıyla 30,1 ± 0,2, 34,3 ± 0,1 ve 40,1 ± 0,1 mg $kg^{-1}$ olarak bulunmuş ve bu oranlar 9 gün süresince 1 ± 0,3 °C 'de yapılan depolamada giderek azalmıştır (P < 0,05). Buna karşın, yemleme deneylerinin sonunda balıkların filetosundaki TBARS değerleri sırasıyla 4,4 ± 0,1, 4,2 ± 0,0 ve 2,2 ± 0,0 mg malondialdehyde (MDA) $kg^{-1}$ olarak bulunmuş ve 9 gün süresince 1 ± 0,3 °C 'de yapılan soğuk depolamada TBARS değerleri giderek azalmıştır (P < 0,05). Diyetteki E vitamini düzeyleri balık filetolarındaki yağ asidi kompozisyonunu etkilememiştir (P > 0,05). Ancak soğuk depolama sırasında toplam doymuş yağ asitlerinin (SFA) konsantrasyonu giderek artmış ve toplam çok doymamış yağ asitlerinden PUFA'ların konsantrasyonu giderek azalmıştır (P < 0,05). Sonuç olarak 130 mg $kg^{-1}$ 'dan 580 mg $kg^{-1}$ 'a doğru artan düzeylerde $alpha$ -tocopherol acetate içeren diyetlerle beslenen balıkların filetoları 9 gün süresince 1 ± 0,3 °C 'de depolanmış ve diyetlerde artan $alpha$ -tocopherol acetate miktarlarına karşın filetolardaki lipit oksidasyonunun azaldığı görülmüştür.

Anahtar Kelime: yağ asitleri fileto Oncorhynchus mykiss alfa-tokoferol soğuk depolama besin analizi gökkuşağı alabalığı tiyobarbitürik asit lipit balık beslenmesi

Konular: Ziraat Mühendisliği

Farklı düzeylerde DL $alpha$ -tocopherol acetate içeren diyet ile beslenen gökkuşağı alabalığı (Oncorhynchus mykiss W.)'nın fileto lipit kalitesine soğuk depolamanın etkisi

Öz:

The effect of refrigerated storage at 1 ± 0.3 °C on vitamin E level, fatty acid composition and lipid oxidation of fillets was studied in 3 groups of rainbow trout fed diets supplemented with increasing levels (100, 300 and 500 mg $kg^{-1}$ diet, respectively) of $alpha$ -tocopherol acetate as antioxidant. Fish (initial mean weight 131 ± 1.0 g) were fed experimental diets for 58 days and reached a mean final weight of 299 ± 6.1 g, with growth differences among the 3 experimental groups being insignificant (P > 0.05). Fillet samples of fish were analyzed fresh (on day 0) or after storage at 1 ± 0.3 °C for 9 days. Lipid oxidation was measured using the thiobarbituric acid reactive substances (TBARS) test. Dietary vitamin E levels had a significant effect on fillet $alpha$ -tocopherol levels and TBARS values of fish by the end of 58 days of feeding. At the end of the feeding trial the fillet $alpha$ -tocopherol levels of fish fed E100, E300 and E500 diets were 30.1 ± 0.2, 34.3 ± 0.1 and 40.1 ± 0.1 mg $kg^{-1}$ , respectively, and the fillet $alpha$ -tocopherol levels were gradually decreased during the 9 days of storage at 1 ± 0.3 °C (P < 0.05). However, at the end of the feeding trial the fillet TBARS values of fish fed diets were 4.4 ± 0.1, 4.2 ± 0.0 and 2.2 ± 0.0 mg malondialdehyde (MDA) $kg^{-1}$ , respectively, and the fillet TBARS values gradually increased during the 9 days of storage at 1 ± 0.3 °C (P < 0.05). Dietary vitamin E levels did not influence the fatty acid composition of the fish fillets (P > 0.05). However, during the refrigerated storage period, total saturated fatty acid (SFA) concentration slowly increased and total polyunsaturated fatty acid (PUFA) concentration slowly decreased (P < 0.05). Finally, increasing the levels of $alpha$ -tocopherol acetate in the diets from 130 to 580 mg $kg^{-1}$ can slow down the level of lipid oxidation in fish fillets during refrigerated storage for 9 days at 1 ± 0.3 °C.

Anahtar Kelime: rainbow trout thiobarbituric acid lipids fish feeding fatty acids fillet Oncorhynchus mykiss alpha-tocopherol cold storage proximate analysis

Konular: Ziraat Mühendisliği

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

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APA	Yildiz M, ŞENER E, GÜN H (2006). Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate. , 143 - 150.
Chicago	Yildiz Mustafa,ŞENER Erdal,GÜN Hüseyin Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate. (2006): 143 - 150.
MLA	Yildiz Mustafa,ŞENER Erdal,GÜN Hüseyin Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate. , 2006, ss.143 - 150.
AMA	Yildiz M,ŞENER E,GÜN H Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate. . 2006; 143 - 150.
Vancouver	Yildiz M,ŞENER E,GÜN H Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate. . 2006; 143 - 150.
IEEE	Yildiz M,ŞENER E,GÜN H "Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate." , ss.143 - 150, 2006.
ISNAD	Yildiz, Mustafa vd. "Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate". (2006), 143-150.

APA	Yildiz M, ŞENER E, GÜN H (2006). Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate. Turkish Journal of Veterinary and Animal Sciences, 30(1), 143 - 150.
Chicago	Yildiz Mustafa,ŞENER Erdal,GÜN Hüseyin Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate. Turkish Journal of Veterinary and Animal Sciences 30, no.1 (2006): 143 - 150.
MLA	Yildiz Mustafa,ŞENER Erdal,GÜN Hüseyin Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate. Turkish Journal of Veterinary and Animal Sciences, vol.30, no.1, 2006, ss.143 - 150.
AMA	Yildiz M,ŞENER E,GÜN H Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate. Turkish Journal of Veterinary and Animal Sciences. 2006; 30(1): 143 - 150.
Vancouver	Yildiz M,ŞENER E,GÜN H Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate. Turkish Journal of Veterinary and Animal Sciences. 2006; 30(1): 143 - 150.
IEEE	Yildiz M,ŞENER E,GÜN H "Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate." Turkish Journal of Veterinary and Animal Sciences, 30, ss.143 - 150, 2006.
ISNAD	Yildiz, Mustafa vd. "Effect of refrigerated storage on fillet lipid quality of rainbow trout (Oncorhynchus mykiss W.) fed a diet containing different levels of DL $alpha$ -tocopherol acetate". Turkish Journal of Veterinary and Animal Sciences 30/1 (2006), 143-150.