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Vol. 18 (2015 year), No. 4
Mukatova M. D., Kirichko N. A., Romanenkova E. N.
Quality features of chitin and chitosan
produced from crayfish crust-containing waste
The method for producing chitin from crust-containing raw material of crayfish using demineralization of 8 % hydrochloric acid and enzymatic deproteining by protosubtilin GZh 70 units / g has been tested; the output of chitin is 8–9 %. Chitosan (molecular weight 48,7 kDa, deacetylation degree 85 %) soluble in 1 % solution of lactic acid has been produced from high-purity chitin
(in Russian, стр.6, fig. 1, tables. 3, ref 8, Adobe PDF, Adobe PDF 0 Kb)
Vol. 19 (2016 year), No. 3, DOI: 10.21443/1560-9278-2016-3
Mukatova M. D., Kirichko N. A., Romanenkova E. N., Zotova N. Yu.
Development of technology
for washed minced fish production from low-profit objects of fishing in the Volga-Caspian Basin
The objects of the study are as follows: rudd and goldfish, samples of food minced made of them without washing, after single and double washings. To study the organoleptic and physico-chemical parameters the conventional methods of the fishing industry have been used. At the LLC "Astrakhan fisheries" two experimental batches of minced rudd and goldfish with double washing by water using a food additive "Omfresh plus" have been made in the amount of 1.0 % by weight of the meat. The yield of washed minced food from rudd is 41.4 %, from silver carp – 41.0 %. Some decrease in water content, water-holding capacity and formalin-titratable nitrogen in minced fish after each washing step has been established. Studying the organoleptic characteristics has shown that the frozen minced briquettes are cuboids, have clean surface with the presence of minor irregularities, colour – light gray, dense texture. On physical and chemical parameters the food washed mince correspond to GOST R 55505–2013 "Frozen food fish forcemeat. Specifications". Water content is 79-82 %, sodium chloride - 0,17-0,35 %, and water-holding capacity - at over 50 %. The proven technology of manufacturing washed minced from goldfish and rudd can be put into production for the purpose of deep processing of unprofitable species of the Volga-Caspian Basin and getting washed minced food and culinary products based on it.
(in Russian, стр.8, fig. 4, tables. 3, ref 7, Adobe PDF, Adobe PDF 0 Kb)