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Использование высокого давления при хранении охлажденной рыбы

Authors: Romanova, A.S.; Tikhonov, S.L.; Tikhonova, N.V.;

Использование высокого давления при хранении охлажденной рыбы

Abstract

Романова Алиса Сергеевна. Аспирант, Уральский государственный экономический университет (г. Екатеринбург), alisic_kolotova@mail.ru Тихонов Сергей Леонидович. Заведующий кафедрой пищевой инженерии, Уральский государственный экономический университет (г. Екатеринбург), tihonov75@bk.ru Тихонова Наталья Валерьевна. Профессор кафедры пищевой инженерии, Уральский государственный экономический университет (г. Екатеринбург), tihonov75@bk.ru. A.S. Romanova, S.L. Tikhonov, N.V. Tikhonova Ural State University of Economics, Yekaterinburg, Russian Federation Проведены исследования по увеличению срока годности охлажденной рыбы путем ее обработки высоким давлением. Для эксперимента сформировали две группы филе-кусков охлажденного карпа по пять в каждой. Каждый филе-кусок рыбы поместили в вакуумную упаковку, способную передавать давление и легко восстанавливать свою форму после обработки давлением. Первая группа – контрольная (обработку филе рыбы высоким давлением не проводили), вторая (опытная) – филе рыбы обрабатывали давлением 600 МПа в гидростате в течение 3 минут. Охлажденную рыбу хранили в холодильной камере с охлаждающей средой – чешуйчатый лед при температуре от –1 до –3 °С. Установлено, что однократная обработка охлажденной рыбы в вакуумной упаковке давлением 600 МПа в течение 3 минут повышает сроки ее годности с 12 до 18 суток. После 18 суток хранения в холодильной камере отмечены высокие органолептические показатели (25 баллов) в опытных образцах охлажденного карпа, гибель микроорганизмов, рН мышечной ткани на уровне 6,0 при норме не более 6,9, количество ААА – 5,8 мг/г при норме 6,9 мг/г, кислотное число составляет 0,32 мг/КОН, перекисное число – 0,35 ммоль акт. кисл. кг. Обработка высоким гидростатическим давлением способствует сохранению биологической ценности продукта. Обработка высоким давлением охлажденной рыбы способствует сохранению биологической ценности продукта. Общая сумма аминокислот в опытной группе филе охлажденного карпа через 18 суток хранения составляет 99,1 г/100 г белка, что выше контроля на 6,7 %, в том числе незаменимых аминокислот на 8,2 %. The studies on increasing the shelf life of chilled fish by high pressure processing have been conducted. For the experiment two groups chilled carp fillets by five in each were formed. Each fillet of fish was placed in vacuum packing which could transmit pressure and easily reshape after the processing by pressure. The first group was a control one (fish fillets were not processed by pressure), in the second group (experimental) fish fillets were processed by pressure (600 MPa) in a hydrostat during 3 minutes. The chilled fish were kept in the cooler with the cooling medium – flaky ice at the temperatures from –1 to –3 °С. It’s determined that a single processing of chilled fish in the vacuum packing by pressure of 600 MPa during 3 minutes increases its shelf life from 12 to 18 days. After 18 days of storage in the cooler one can observe high organoleptic indicators (25 points) in experimental samples of chilled carp, bacterial destruction, besides pH of muscular tissue is 6.0 at the rate of no more than 6.9, the amount of AAA is 5.8 mg/g at the rate of 6.9 mg/g, the acid number is 0.32 mg/KOH, and the perixode number is 0.35 millimole of active oxygen/kg. The processing by high hydrostatic pressure facilitates the preservation of a biological value of the product. The total amount of amino acids in the experimental group of chilled carp fillets after 18 days of storage is 99.1 g/100 g of protein, which is higher than the control group by 6.7 %, including indispensable amino acids by 8.2 %.

Keywords

high pressure, УДК 616.098, chilled fish, shelf life, охлажденная рыба, срок годности, высокое давление

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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