LIPID COMPOSITION IN THE TISSUES OF HONEYBEES AFTER ADDITION OF SELENIUMAND CHROMIUM CITRATE
I.I. Kovalchuk
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Institute of Animal Biology NAAS, V. Stus str., 38, Lviv 79034, Ukraine
The data on the content of total lipids and their individual classes in the tissues of honeybees after feeding them by syrup with chromium citrate and selenium. The significant differences between the fractious distribution of lipids in the body tissues of a honeybee of experimental groups compared to the control are found.
The study was conducted in the summer period on the four groups of honey bees with 3 hives in each. I control group —after feeding each bee family 500 ml of pure sugar syrup / day, II group in addition to 500 ml sugar syrup included 0.5 mg of selenium in the form of selenium citrate, III group — 0.7mg chromium in the form of chromium citrate in 500 ml of sugar syrup, and IV group ─ 0.5 mg and 1.5 mg selenium and chromium in the form of selenium and chromium citrate in 500 ml of sugar syrup.
Under conditions of feeding by sugar syrup honey bee citrate supplements chromium and selenium observed significantly higher levels of total lipids in the tissues of bees in the II and III groups respectively in 2.2 and 2.3 times (p<0.05), and 1.6 times in the IV group, but not reliably. Also marked differences found wore in the ratio of individual classes of lipids in the tissues of the whole organism of honeybee of research groups, namely the phospholipids, NEFA significantly higher (p<0.05), triacylglycerols (p<0.001), and significantly lower differences of mono- and diacylglycerols (p<0.001), etherified cholesterol (p<0.001) in the bees of II and IV groups. Thus, the changes in the content of total lipids and their fractions in the body under conditions of feeding of bees with syrup different amounts of chromium and selenium citrate may indicate a positive effect of these compounds on the metabolism of total lipids and individual fractions in tissues honeybees.
Keywords: BEES, TISSUES, CITRATE CHROMIUM, SELENIUM CITRATE, TOTAL LIPIDS, TRIACYLGLYCEROLS, PHOSPHOLIPIDS, CHOLESTEROL, NEFA, MONO-AND DIACYLGLYCEROLS
