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Dairy industry
UDC
63

STUDY OF LACTOSE ISOMERIZATION IN THE DAIRY PRODUCTION PROCESS Study of lactose isomerization in the dairy production process

Published in Dairy industry · Pages 67–70 · Rubric: Research Article
DOI: https://doi.org/10.31515/1019-8946-2023-04-67-70
Received: 26.05.2023 Accepted: 26.05.2023 Published: 17.01.2024 Language of publication: RUS
Authors
AN
Andrey Khramtsov
ORCID
SE
Sergey Anisimov
LE
Levon Davydyants
MA
Marina Skorokhodova
VE
Vera Romakhova
ORCID
MA
Marina Zilina
ABSTRACT
The article presents the results of a study of the lactulose content in dairy products subjected to various levels of heat treatment synthesized by thermally induced isomerization of lactose into lactulose. The dependence of the isomerization process on the time of temperature exposure was found. Lactulose levels in melted dairy products have been established that can provide up to 15 % of an adult's daily need for a valuable prebiotic. Based on the results obtained, a conclusion was made about the manifestation of the functional properties of melted milk and fermented baked milk. The methodology of the International Organization for Standardization for chromatographic study of lactulose content in dairy products ISO 11868:2007/IDF 147:2007 has been mastered. The information obtained in this study can be used to assess the effect of heat treatment modes on other dairy products, including long-term storage, including products for functional nutrition.
KEYWORDS
lactulose, prebiotic, dairy products
Funding
Rabota vypolnena pri finansovoy podderzhke Ministerstva nauki i vysshego obrazovaniya RF v ramkah realizacii kompleksnogo proekta po sozdaniyu vysokotehnologichnogo proizvodstva po teme: «Sozdanie pervogo v Rossii vysokotehnologichnogo proizvodstva prebiotika laktulozy i funkcional'nyh molochnyh ingredientov dlya importozamescheniya v medicine, veterinarii, detskom pita- nii, proizvodstve lechebno-profilakticheskih produktov dlya lyudey i zhivotnyh». Nauchnyy konsul'tant proekta akademik RAN, pro- fessor, d-r tehn. nauk Andrey Georgievich Hramcov. Soglashenie o predostavlenii iz federal'nogo byudzheta subsidii na razvitie kooperacii gosudarstvennogo nauchnogo uchrezhdeniya i organizacii real'nogo sektora ekonomiki v celyah realizacii kompleksnogo proekta po sozdaniyu vysokotehnologichnogo proizvod- stva № 075112022021 ot 07.04.2022 g. v ramkah Postanovleniya Pravitel'stva RF ot 9 aprelya 2010 g. № 218 na baze FGAOU VO «Severo-Kavkazskiy federal'nyy universitet».
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