Abstract
The lipid composition, presence of the biologically active substances and ability of lipids to the spontaneous aggregation in the water medium of the winter garlic (Allium sativum L.) was studied by TLC, UV-spectrometry with the Gauss mathematic analysis of spectra and dynamic light scattering methods It is shown that share of the more easily oxidizable fractions in the garlic phospholipids is 2.45 times greater than that for the more poorly oxidizable fractions. Mathematic analysis of the UV-spectra of the lipids solution in chloroform revealed the presence of compounds with a conjugated couple bonds and ketodienes and confirmed the literature data about absence of flavonoids. The hydrophilic biologically active compounds are found in a polar phase during extraction of lipids. Analysis of UV-spectrum of 20-hydroxyekdizone in chloroform which is detected in the garlic lipids was done. It was determined the substantial maximum absorption band shift of sterols in UV-spectra of the garlic lipids testifies to their participation with sphigolipids in the raft formation that is due to form of particles with the average diameters 160 nm and the low absolute value of ξ-potential from the garlic lipids in the water medium.
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