Vacuum cooling of biscuit semi-finished products

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dc.contributor.authorDesyk, Mykola
dc.contributor.authorTelychkun, Volodymyr
dc.contributor.authorTelychkun, Yuliia
dc.date.accessioned2020-07-02T09:06:01Z
dc.date.available2020-07-02T09:06:01Z
dc.date.issued2019
dc.description.abstractThe paperreviews advanced cooling method of biscuit semi-finished products under vacuum. It is established that the duration of cooling of biscuit products is reduced from 30-40 minutes to a few minutes, at cooling with a temperature of 20ºС and relative humidity φ 75%. Also there is no need to use its standing. The influence of the regime parameters of the vacuum cooling on humidity, temperature and structural -mechanical parameters of biscuit semi-finished products has been investigated. During storage of finished biscuit products for 72 hours, the loss of moisture by blanks cooled by vacuum evaporation method was 0.7% less than the cooled by convection method and after standing for 8 hours. Pressure plays an important role in the quality of the cookie semi-finished product. In particular, reducing the pressure under dilution conditions to 3 kPa leads to a decrease in the cooling temperature of the finished biscuit semi-finished product to 24 ° C, reducing the time during which it cools from 480 to 2-5 minutes, increasing the elastic deformation by stabilizing the structure of the finished product. Samples cooled by the vacuum evaporation method had better structural and mechanical quality indicators compared to the samples cooled by the convection method and after standing for 8 hoursuk_UA
dc.identifier.citationDesyk, M. Vacuum Cooling of Biscuit Semi-Finished Products / M. Desyk, V. Telychkun, Y. Telychkun // Proceedings of university of ruse – 2019. – Vol. 58, book 10.2. - P. 56-60.uk_UA
dc.identifier.urihttps://dspace.nuft.edu.ua/handle/123456789/31760
dc.language.isoenuk_UA
dc.subjectvacuum coolinguk_UA
dc.subjectheat-mass transferuk_UA
dc.subjectbiscuituk_UA
dc.subjectphysico-chemical parameters of qualityuk_UA
dc.subjectкафедра машин і апаратів харчових та фармацевтичних виробництвuk_UA
dc.titleVacuum cooling of biscuit semi-finished productsuk_UA
dc.typeArticleuk_UA

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