HÜLYA TURAN, YALÇIN KAYA, İbrahim ERKOYUNCU

Effects of glazing, packaging and phosphate treatments on drip loss in rainbow trout (Oncorhynchus mykiss W.,1792) during frozen storage

Fresh rainbow trout (Oncorhynchus mykiss W., 1792) were frozen with different pre-freezing treatments in an air blast freezer (–35oC) and stored at –25oC for 12 months. The treatments were done using 10% sodium polyphosphate and 3% sodium metaphosphate with 4% NaCl solutions and glazing + packaging to prevent drip loss in the frozen fish. The effect of glazing + packaging treatment on drip loss during frozen storage was significant (p<0.05) but none of the other treatments were effective (p>0.05). In other words, neither phosphate usage nor glazing treatment was effective when used by itself to prevent drip loss in the frozen rainbow trout. However, the combination of glazing + packaging did prevent drip loss and protect the moisture content of the inner and surface layers of the product. In addition, the effect of gutting during the pre-freezing stage on drip loss during frozen storage was not significant.

Anahtar Kelimeler:

gökkuşağı alabalığı, dondurarak depolama, paketleme, fosfat

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Aitken, A. 1975. Polyphosphates in fish processing. Ministry of Agriculture, Fisheries and Food, Torry Research Station, Torry Advisory Note no. 31, 7 p.

Antoine, F.R., Marshall, M.R., Sims, C.A., O’Keefe, S.F. and Wei, C.I. 2000. Phosphate Pretreatment on Smoke Adsorption of Cold Smoked Mullet (Mugil cephalus). J.of Aquatic Food Product Technology, 9(2): 69-81.

Boyd, J.W. and Southcott, B. 1965. A Effect of polyphosphates and other salts on drip loss and oxidative rancidity of frozen fish. J. Fish. Res. Bd Can., 22, 53. (was taken from Dyer W. J. (1969). Effect of brining and polyphosphate on yield and quality. in: Freezing and Irradiation of Fish. Edited by: Rudolf Kreuzer 167-171)

Buttkus, H. and Tarr, H.L.A. 1962. Fd Technol., Champaign, 16, 84. (was taken from Sutton, A.H. (1969). Polyphosphate treatment of cod muscle. in: Freezing and Irradiation of Fish. Edited by: Rudolf Kreuzer 172-178)

Dore, I. 1991. Quality and freshness-frozen fish. in: Fish and shellfish quality assessment. A guide for retailers and restauranteurs. Chapter 3. An Osprey Book, Published by Van Nostrand Reinhold, New York. 29-42.

Düzgüneş, O., Kesici, T. and Gürbüz, F. 1993. İstatistik metotları, II. baskı, A.Ü. Zir. Fak. Yay: 1291, Ankara, 218 pp.

Dyer, W.J., Brockerhoff, H., Hoyle, R.J. and Fraser, D.I. 1964. (was taken Sutton, A.H., (1969). Polyphosphate treatment of cod muscle. in: Freezing and Irradiation of Fish. Edited by: Rudolf Kreuzer 172-178.) J. Fish. Res. Bd Can., 21, 101.

Dyer, W.J. 1969. Effect of brining and polyphosphate on yield and quality. in: Freezing and Irradiation of Fish. Edited by: Rudolf Kreuzer 167-171.

Garthwaite, G.A. 1992. Chilling and freezing of fish. In: Fish processing technology. Ed by: George M. Hall, Blackie Academic & Professional, and Published in North America by VCH PUBLISHERS, INC. New York. 89-112.

Graham, J. 1982. Freezing. in: Fish handling & processing. Chapter 6. Ed. by. A. Aitken, I.M. Mackie, J.H. Merritt & M.L. Windsor. Ministry of Agriculture, Fisheries & Food. Torry Research Station. Edinburgh. 56-71.

Krivchenia, M. and Fennema, O. 1988. Effect of cryoprotectants on frozen white fish fillets. Jour. of Food Sci. 53(4): 999-1002.

MacCallum, W.A., Shioh, H.S., Chalker, D.A., Dyer, W.J., and Idler, D.R.J. 1964. (was taken Sutton, A.H., (1969). Polyphosphate treatment of cod muscle. in: Freezing and Irradiation of Fish. Edited by: Rudolf Kreuzer 172-178.) Fish. Res. Bd Can., 21, 539.

MacCallum, W.A., Jaffray, J.I., Chalker, D.A. and Idler D.R. 1969. Condition of Newfoundland offshore fish and its influence on quality after single and double freezing. in: Freezing and Irradiation of Fish. Edited by: Rudolf Kreuzer 56-63.

Mahon, J.H. 1962. U.S. Patent no. 664851, 29th May. (was taken Sutton, A.H. (1969). Polyphosphate treatment of cod muscle. in: Freezing and Irradiation of Fish. Edited by: Rudolf Kreuzer 172-178.)

Pigott, G.M. and Tucker, B.W. 1990. Seafood effects of technology on nutrition. Marcel Dekker, Inc. New York, 359 pp.

Reddy, B.R. and Finne, G. 1986. Hydrolytic and enzymatic breakdown of food grade condensed phosphates in white shrimp (Penaeus setiferus) held at different temperatures. Eleventh annual tropical and subtropical fisheries technical conference of the Americas. January 13-16, Florida. 201-212.

Santos, E.E.M. and Regenstein, J.M. 1990. Effect of vacuum packaging, glazing and erythorbic acid on the shelf-life of frozen white hake and mackerel. Food Jour. of Sci., 55(1): 64-70.

Sutton, A.H. 1969. Polyphosphate treatment of cod muscle. in: Freezing and Irradiation of Fish. Edited by: Rudolf Kreuzer, 172-178.

Sturno, M., Marshall, M.R. and Otwell, W.S. 1987. Polyphosphate determination in shrimp using high performance liquid chromatography. Proceedings Twelfth Annual Conference of The Tropical and Subtropical Fisheries Technological Society of The Americans. November 9-11. Orlando-Florida. 343-350.

Tanikawa, E., Akiba, M. and Shitamori, A. 1963. Fd Technol., Champaign, 17, 87. (was taken Sutton, A.H. (1969). Polyphosphate treatment of cod muscle. in: Freezing and Irradiation of Fish. Edited by: Rudolf Kreuzer, 172-178.)