RESEARCH ON FLAVOR PRECURSORS OF MILK SERUM IN AROMATED FOAM TECHNOLOGY

Author:

Synenko T.ORCID,Dubova H.ORCID,Bezusov A.ORCID

Abstract

The aim of this work is to study the ability of whey flavor precursors to form new volatile components under model conditions. The formation of new aromas is considered in the aspect of a two-stage process - enzymatic cleavage of the precursors and the subsequent Maillard reaction. The properties of whey components by their ability to form or modify aromatic descriptors at the stages of enzymatic cleavage of taste precursors are considered. It is proved that targeted enzymatic reactions with whey components lead to the formation of sweet, meat, cheese flavors at various stages of whey protein breakdown after interaction with carbohydrates. The influence of the depth of proteolysis on the subsequent formation of aroma from precursors is considered. It has been established that the breakdown products of milk sugar in whey do not play a significant role in the formation of aroma. Unlike proteolytic enzymes, the use of lactase (β-galactosidase) did not lead to a change in the aromatic characteristics of the modified serum. An increase in the concentration of lactulose, as a potential precursor of aroma in the sugar-amine reactions of serum, gives only a sweetish tint and does not significantly affect the change in aroma. The processes of aroma formation in modified whey have been consistently investigated, and the concept of flavored food foam based on it has been tested. It was shown that the addition of sodium chloride 5-10% to the lower residue after rectification of fermented milk whey significantly increases the stability of the aroma of the final product. It was found that the specific aroma of whey, limiting its use in food, can be modified by using new approaches to reactions with aroma precursors. We consider the fixation of the obtained aromas “soup mushroom”, “broth”, “cheese” on an oil basis for subsequent concentration and use in various products.

Publisher

Odessa National Academy of Food Technologies

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