In this study, pesticide residues in parsley, lettuce and spinach (120 samples) were analyzed by the application of liquid chromatography-tandem mass spectrometry (LC-MS/MS). All samples of spinach, parsley or lettuce contained residues of three or more active substances. In parsley, carbendazim (100.0%), dichlorvos (100.0%), fenarimol (40.0%), pendimethalin (95.0%), in lettuce, diazinon (30.0%), dichlorvos (100.0%), pendimethalin (92.5%) phenthoate (12.5%), and in spinach, carbendazim (45.0%), cymoxanil (85.0%), dichlorvos (100.0%) and fenarimol (85.0%) were the significant active compounds. The maximum residue limits were exceeded in 28, 20 and 40 samples of parsley, lettuce and spinach, respectively. The results showed that there was a high occurrence of pesticide residues in parsley, lettuce and spinach samples from Hatay province, in which most of them were prohibited from use in Turkey for these vegetables. The contamination levels of these residues may be considered a serious public health problem according to the maximum residue limits (MRLs) of Turkey and the European Union (EU).
This study was aimed at determining the effects of various levels of dietary olive cake meal (OCM) on certain blood parameters and breast muscle fatty acid and cholesterol levels. For this purpose, 400 day-old Japanese quail (Coturnix coturnix japonica) chicks of both sexes were randomly assigned to four trial groups, each including five replicates of 20 animals. The quail were fed on a maize and soybean meal-based basal diet supplemented with 0%, 2.5%, 5% and 7.5% of OCM for six weeks. Dietary supplementation with 5% and 7.5% of OCM decreased total cholesterol and low-density lipoprotein cholesterol levels in the blood serum, and increased cholesterol levels in the breast muscle. Dietary supplementation with various levels of OCM decreased saturated fatty acid and polyunsaturated fatty acid levels, and increased monounsaturated fatty acid and total unsaturated fatty acid levels in the breast muscle. As a result, it was concluded that, olive cake meal, which contains a high level of olive oil, could be incorporated in poultry feed at a level of 5%, owing to its beneficial effects of decreasing serum LDL cholesterol, which plays a major role in the aetiology of cardiovascular diseases, and in reducing saturated fatty acid levels in breast muscle.
Öz: Günümüzde pestisit olarak isimlendirilen zirai ilaçlar, tarımsal üretimin farklı aşamalarında ve hasat sonrası depolamada çok yoğun bir şekilde kullanılmaktadır. Pestisitler, çok çeşitli zararlı böcek ve bitki hastalıklarının kontrolünü sağlayarak verimliliği arttırır. Ancak, bu zararlı kimyasallar, hem üretim hem de depolama sırasında çeşitli gıdalara bulaşmakta, gıda zinciriyle devam ederek insan vücudunda ciddi sağlık problemlerine neden olmaktadırlar. Bu bileşiklerin toksisitesi, gıda maddelerindeki pestisit maruziyetini değerlendirmek için gıda ürünlerindeki pestisit kalıntılarının izlenmesini gerektirmektedir. Bu çalışmada, Hatay'da yerel marketlerden temin edilen 60 adet çekirdeksiz üzüm numunesi 80 adet pestisit kalıntısı bakımından incelenmiştir. Numuneler QUECHERS yöntemine göre hazırlanmış ve LC-MS/MS cihazında analiz edilmiştir. Yapılan analizlerde carbendazim, azoxystrobin, cypermetrin, cyprodinil, metalaxyl, chlorpyrifos, myclobutanyl, fludioxonil, dimethomorph, dithiocarbamate ve imazalil kalıntıları tespit edilmiştir. 9 numunede tespit edilen Carbendazim ve imazalil miktarları, maksimum kalıntı limitlerini aşmaktadır.
Bis(3,5-di-t-butyl-1,2-benzoquinone 1-oximato)copper(II), Cu(ox)2, and its mixed-ligand complexes, Cu(ox)Lx [Lx = 8-hydroxyquinolinato (L1), N-Phenyl-salicylaldimine (L2), N-phenyl- 3,5-di-t-butylsalicylaldiminato (L3) and N-(2-hydroxyphenyl)-3,5-di-t-butylsalicyl-aldiminato (L4)], were prepared and their spectral behavior as well as redox-reactivity towards PPh3, (m-ClC6H4)3P, (m-CH3C6H4)3P and PPh2-(CH2)4-PPh2 studied by analytical and spectroscopic (IR, UV-vis, ESR) techniques and magnetic measurements. Cu(ox)2 and Cu(ox)L4 complexes prepared in air show μef values of 2.84 and 3.33 μB, respectively, and are consistent with an S= 1 and S= 3/2 ground states. Both compounds are formulated as copper(II)-radical complex exhibiting intramolecular ferromagnetic coupling between the orthogonal dx2-y2 magnetic orbital of the CuII ion and that of the π-radical ligand.
Effect of feeding with safflower (Carthamus tinctorius L.) seed added mixed feed on the amount of fatty acids composition and cholesterol in chicken meat.
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