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  • Title: [Preparation of frozen blocks of fish flesh and its evaluation during storage].
    Author: Rodríguez L, Bello RA.
    Journal: Arch Latinoam Nutr; 1987 Jun; 37(2):351-63. PubMed ID: 3455189.
    Abstract:
    Minced fish flesh from shrimp by-catch was used as raw material to prepare four frozen blocks under different conditions, as follows: a) Minced fish flesh washed in cool water for 10 minutes with continuous stirring (water-fish proportion, 3:1). b) Minced fish flesh mixed with sodium tripolyphosphate (TPP) (0.5%), and sodium chloride (1%), respectively. c) Minced fish flesh mixed with 0.5% sodium tripolyphosphate, 1% sodium chloride and 7.5% corn starch, and c) Minced fish flesh without any treatment, which was used as control. Fish blocks were frozen at -40 degrees C and stored at -10 degrees C and -30 degrees C freezing points during a six-month period. Physical, chemical and microbiological tests were performed during the storage period. The results obtained indicate that frozen fish blocks stored at -10 degrees C deteriorate faster than those stored at -30 degrees C. The TPP, sodium chloride and corn starch treatments were not effective in reducing protein denaturation, but they do increase the water retention capacity of the blocks.
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