Recent Submissions

  • Development of the formulation and technology of a new fish culinary product "Cream cheese fish from blue catfish" enriched with iodine of kelp of the White Sea

    Novozhilova, E.A.; Shokina, Y. V.; Reshetnik, E.I.; Zakharova, L.M.; Pakusina, A.P.; Pashina, L.L.; Shkolnikov, P.N.; Tikhonova, P.А. (2024)
    Vestnik of MSTU
    Expanding the range of products based on the rational use of available fish resources is a current direction for the development of the food industry of the Russian Federation. Blue catfish, a little-used fishery item in the Northern Basin, was chosen as a raw material for the development of a fish culinary paste product. Blue catfish meat is significantly watered (up to 93 % of the total mass), as a result there are currently no technologies for deep processing of fish for food purposes. During the research, the technology of a new fish culinary product "Fish cream cheese from blue catfish, enriched with iodine from White Sea kelp" has been proposed in an assortment, and recipes have been developed, optimized in the MatLab program. The amino acid composition of blue catfish meat as well as indicators of the nutritional value of new products have been considered. The energy value of 100 g of product varies from 120 to 150 kcal, the mass fraction of protein is 8.5–11 %; fat – 9–13 %; carbohydrates – 2–2.5 %. The iodine content in a unit of consumer packaging of the product "Cream cheese fish from blue catfish with pickled seaweed" was experimentally established to be 340 mcg per 100 g; a 44 g serving of this product contains 100 % of the recommended daily intake of the micronutrient (150 mcg). The developed product "Cream cheese fish from blue catfish with pickled seaweed" can be classified as "enriched with iodine" when the amount of its daily consumption (25 g) is indicated on the consumer packaging.
  • Assessing the effectiveness of local organic materials as sorbents for oil spill response in Arctic waters

    Vasileva, Zh.V.; Trishina, A.S. (2024)
    Vestnik of MSTU
    The paper presents the results of a comparative assessment of the sorption characteristics of regional natural raw materials of organic origin: sphagnum moss (Sphаgnum palustre L.), fucus algae (Fucus vesiclousus), a composite based on them and peat in comparison with the synthetic sorbent OilSorb used in the practice of emergency rescue units to eliminate accidental oil spills. Experimental data have been obtained on potential pollutants in the Barents Sea (oil ARCO and diesel fuel) and the water capacity of sorbents for standard conditions at temperatures of 21–23 °C according to GOST 33627-2015 and in the temperature range of 10–12 °C typical for the summer period on the Kola Peninsula. The sorption characteristics of the materials under study have been evaluated in the "sea water – petroleum product" system, which simulates a real oil spill in the marine area. Tests in a model system simulating real conditions demonstrate significant changes in the efficiency of using sorption materials shown by them under standard conditions. The study has established the dynamics of the distribution of sorbed oil products and water in the materials under consideration, as well as residual oil products in the water of the "sea water – ARCO oil" and "sea water – diesel fuel" systems at different exposure times. During an exposure time of 30, 60, 90 minutes under the conditions of a system simulating a real oil spill in the water area, the material based on sphagnum moss has the most effective and time-stable indicators of sorption of oil products.
  • Macrozoobenthos in the estuary of the small salmon river of Sakhalin Island on example of the Gornaya River

    Korneev, E. S.; Labay, V. S.; Zhivoglyadova, L.A.; Berezova, O.N.; Sharlay, O.B.; Abramova, E.V.; Akhmadeeva, E.S. (2024)
    Vestnik of MSTU
    Estuaries as a connecting link between freshwater and marine ecosystems play a special role in salmon rivers. The success of adaptation of juvenile salmonids during the transition to the marine period of life depends on the conditions in estuaries. The work continues the previously started series of publications on the rivers of Sakhalin Island. Using the example of one of the small watercourses in the southeastern part of the island, the hydrological parameters and the structural organization of benthos communities in the atypical estuary have been considered. In the absence of storm surges, penetration of sea water into the water body does not occur; at high tide, water with a salinity of more than 12 psu is observed only at the mouth at the bottom; at low tide, the estuary is completely filled with water with a salinity of 0.1 psu and lower. Studies of the hydrological regime and composition of the bottom fauna were carried out in July 2022. Zoobenthos samples were taken along the longitudinal profile of the estuary at five sections (75 samples in total). Most of the estuarine reach is inhabited by species characteristic of the lower parts of the island watercourses. High environmental variability determines the formation in the estuary of young and unstable benthos communities represented by rapidly reproducing small-sized species.