The present study describes a synthesis of a series of iodine-benzimidazole and iodine-benzoxazole derivatives. The new and cheap method for its obtaining is developed. All compounds were characterized by physical, chemical, analytical and spectral data.

Background and Aim: Dietary supplementation with green tea by-product shows special effects on animal parameters. This study aimed to assess the effects of green tea by-products (GTBP) in the diet on some blood parameters, growth performance, and carcass characteristics of finishing pigs and on meat quality, and nutritional composition of pork. Materials and Methods: One hundred and sixty crossbred pigs with an initial body weight of 65.15 ± 0.38 kg, were distributed into four dietary treatments, with four replicates of 10 pigs each. The dietary treatments were a basal diet (control diet, CON), and three experimental diets (GTBP8, GTBP16, and GTBP24) based on the CON diet supplemented with GTBP at 8, 16, and 24 g/kg of feed. The studied parameters were examined during the experimental period of 10 weeks. Results: No statistical differences in average daily feed intake, average daily gain, and feed conversion ratio were observed between the diet treatments (p > 0.05). Backfat thickness decreased (linear, p < 0.05) according to the GTBP levels but no other carcass parameters. Meat quality was not influenced by the GTBP levels (p > 0.05). However, pigs fed with GTBP had a decrease in cholesterol content and an increase in crude protein and total omega-3 content of pork compared to the CON diet (p < 0.05). Moreover, dietary supplementation with GTBP significantly decreased plasma cholesterol (p < 0.05), and trends for the decrease in low-density lipoprotein cholesterol and urea nitrogen were observed (linear, p = 0.08). Conclusion: Up to 24 g/kg GTBP in the diet for finishing pigs does not impair animal performance and makes carcass leaner with softer meat as well as positive effects on cholesterol and fatty acid metabolism. Further experiments are needed to determine the optimal levels of GTBP addition in finishing pig diet to produce higher meat quality.

Using energy-dispersive x-ray fluorescence analysis, the levels of Pb, K, Ca, Fe, Cu, Zn, Br, Rb, Sr and As were determined in the urine of 937 workers exposed to high levels of P b intake in six different working situations. Of all the trace elements, Pb was observed to increase the most when comparing the urine samples of the workers in the examined group and the 50 in the control group. The concentrations of P b and other trace elements were also determined in the blood of the workers in a battery plant (which contains the highest Pb concentrations in the indoor air) and at petrol stations (which contain the lowest Pb level in the indoor air of the exposed group). The maximum increase in trace elements in the blood samples of the workers compared with the control group was observed for Pb but also for Rb, As and Br. The concentrations of K, Fe, Cu and Zn were decreased in all of them. The levels of P b in the urine and in the blood were compared with those of other elements, e.g. Cu, Zn and Fe. The concentrations of P b and other trace elements were also studied in the immediate surroundings of six different industrial sectors, e.g. in air, soil and spinach. A positive correlation was obtained between the content of P b and other trace elements in the urine of exposed workers and the environmental samples. A comparison between Pbeliminating medicine ethambutol, calcium disodium edetate (calcium EDTA) and multi-vitamins for Pb-exposed workers showed a reduction in the levels of P b in the blood and in the urine of the workers. A sample preparation method suitable for the EDXRF analysis of blood, spinach, soil and urine is described.

Trẻ em mắc hội chứng ruột ngắn có nhiều nguy cơ suy dinh dưỡng và thiếu các vi chất dinh dưỡng. Nghiên cứu mô tả 50 trẻ mắc hội chứng ruột ngắn điều trị tại Bệnh viện Nhi Trung ương với mục đích đánh giá tình trạng dinh dưỡng và thiếu vi chất dinh dưỡng. Độ tuổi trung bình của nhóm nghiên cứu từ 10 ngày đến 64 tháng, tỷ lệ mắc bệnh của trẻ trai/gái là 1,8/1. Tất cả trẻ trong nghiên cứu đều mắc hội chứng ruột ngắn sau phẫu thuật cắt ruột, nguyên nhân phổ biến nhất là tắc ruột chiếm 34%. Tỷ lệ suy dinh dưỡng thể nhẹ cân mức độ nặng chiếm tỷ lệ cao nhất (72,0%). Các vi chất dinh dưỡng được khảo sát: vitamin D, calci, phospho, magie đều ghi nhận tình trạng thiếu hụt, trong đó vitamin D có tỷ lệ thiếu nhiều nhất, lên tới 74%. Tình trạng suy dinh dưỡng và thiếu vi chất dinh dưỡng phổ biến ở trẻ em mắc hội chứng ruột ngắn.

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