Granulowaną lecytynę podawano doustnie zdrowym ochotnikom przez 30 dni. Badania wykazały, że otrzymany z soi preparat lecytyny posiadał właściwości modyfikowania układu immunologicznego. Aktywacji ulegał zarówno swoisty, jak i nieswoisty układ obronny.
Studies were carried out on the effect of chloride of N-dodecyl-betaine 2-chloroethyl-ester (BE V-B), and chloride of betaine 2-chloroethyl-ester (BE V-B), added to liposomes formed of egg yolk lecithin, on the order parameter of a spin probe incorporated in the temperature range 2-50 °C. The BE’s used here modified ESR spectra to various degrees and lowered the order parameter of the spin probe. At temperatures lower than 20 °C compound V-B caused smaller changes in the order parameter than V-A, whereas above that temperature it caused greater changes. The ESR spectra of liposomes containing BE's exhibited splitting into two components that corresponded to different order parameter values. The molecular mechanism of interaction between the compounds studied and liposomes is disscused.