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Документ Research of content biologically active components of oils(2013) Lazarenko, Tatiana; Radzievska, Irina; Gromova, ElenaLiposoluble vitamins constitute an important part of vegetable oils. Fats contain liposoluble vitamins A, D, Е, К in the active and nonactive form (as provitamins). Eight connections are known under the name of the vitamin Е: four connections of tocopherol (α, β, γ and δ) and four connections of tocotrienols (α, β, γ and δ). Alpha-tocopherol is the most widespread and biologically active, therefore the vitamin Е is named also alpha-tocopherol or tocopherol. The highest content of tocopherols among the investigated standards is educed in corn oil; soybean oil is a little inferior to her. The least content of tocopherols was fixed in olive oil. In sunflower-seed oil the general concentration of tocopherols does not exceed 95 mgs%, that on 90 % is presented α- tocopherols. In soy-bean, rape and mustard oils in prevailing concentrations contained β -isomer. γ- and δ- isomers at the investigated standards presented in a negligible quantity from 2,4% in mustard press oil to 12,1% in aquated soy-bean. The results can be applied for prognostication of warranty expiration of sunflower date, soy-bean, flax, rape, mustard, corn and olive oils.Документ Research of physical and chemical characteristics of phospholipids’ water solution(2012) Lazarenko, Tatiana; Mank, ValeriyThe electrokinetic potential\potential of phospholipids was determined during the research. Adsorption isotherm of phospholipids that in the surface layer and the possible size of the molecules of phospholipids in the interfacial environment were determined. Впродовж дослідження був визначений електрокінетичний потенційний\дзета-потенціал фосфоліпідів. Були визначені адсорбційна ізотерма фосфоліпідів, що знаходяться в зовнішньому шарі і можливий розмір молекул фосфоліпідів.