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    Investigation of Lipid Peroxidation and Antioxidant Capacity of Rats Fed with Various Oils
    (ASIAN JOURNAL OF CHEMISTRY, 2009) Kurbanli, Kamuran; Mehmetoglu, Idris
    In this study, the effects of the oils such as butter, olive oil, sunflower oil and margarine on the serum lipid peroxidation. oxidized low density lipoprotein (LDL) and serum total antioxidant activity were investigated. Except control group, rats of all groups have been nourished by a special fodder embracing 15% oil addition for a period of two months and were measured malondialdehyde (MDA), ox-LDL and antioxidant activity levels of samples. No significant difference was found in serum MDA and ox-LDL levels of the groups subjected to oil. However, when the serum total antioxidant activity levels were compared, it was noted that the measurements of olive oil group (1.08 +/- 0.23 nmol/mL) were statistically higher (p < 0.05) than those of sunflower oil group (0,83 +/- 0.12 nmol/mL). In addition to this. serum total antioxidant activity values of butter group (1.17 +/- 0.14 nmol/mL) were statistically higher (p < 0.001) than those of sunflower group (0.93 +/- 0.12 nmol/mL). It was found that MDA results decreased as; butter > margarine > olive oil > sunflower oil > control group and the antioxidant activity results decreased as: butter > control > olive oil > margarine > sunflower oil group. Butter gives the highest oxidized LDL and total antioxidant activity results and margarine gives the lowest oxidized low density. Sunflower oil gives the lowest total antioxidant activity results.
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    Synthesis of Biologically Active and Environmental Friendly Insect Pesticides: Pheromones
    (ASIAN JOURNAL OF CHEMISTRY, 2009) Kurbanli, Kamuran; Ahmetli, Gulnare; Tarlan, Esra
    There is a continuous fight with insects and herbs by utilizing pesticides in agricultural productions. Besides their insect killing benefits, these chemicals are extremely harmful for other living things. Recently, pheromones are being suggested as an, alternative to these harmful chemicals, especially for the preservation of air, water and soil, These are the secretion of insects used for the comunicating each other by perceiving that secretion. The most important problem with such an application is the synthesis of these substances. Pheromones have ability to select the harmful insects and provide opporunity to kill them. Therefore, in this study. synthesis of two pheromones are studied for the harmful insects cotton- and apple-worms. Under laboratory conditions, synthesis method was developed for biologically active substance trans-trans-8, 10-dodecadien-1-ol. Then its suitable aldehyde and ester derivatives were also synthesized.