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The effect of zearalenone on the structural changes in stearic acid and inositol: Used as a model of artificial cell membrane



The effect of zearalenone on the structural changes in stearic acid and inositol: Used as a model of artificial cell membrane



Biological Bulletin of Poznan 38(1): 21-27



Influence of zearalenone on the structure of stearic acid (the model of hydrophobic part of cell membrane) and inositol (the model of polar part of membrane) was studied. X-ray diffraction pattern of stearic acid mixed with zearalenone (100 : 0.1 w/w) showed slight shifts in position and clear changes of intensities of diffraction maxima. Low temperature (5degreeC) treatment of samples enhanced this effect. In the case of inositol mixed with zearalenone (100 : 0.1 w/w) significant differences in position and intensities of maxima were observed only after recrystallization. This phenomena can be explained by higher chemical affinity of zearalenone (hydrophobic properties) to stearic acid in comparison to inositol. Zearalenone can interact with stearic acids stabilising their saturation and inducing appearance of the local ripples in hydrophobic phase. The effect of zearalenone interaction with inositol in solid phase is not detectable. However, in water phase zearalenone effectively influences the inositol structure.

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