Movement and accumulation of cadmium in male Sprague-Dawley rats, fed with brown rice from nearby Janghang smeltery area were investigated. The rat fed with five different cadmium level diets made with Cdpolluted during 12 weeks. The brown rice-polluted with 0.87 ppm Cd (PBR) was sampled from products in the Janghang smeltery area. Diets of brown rice group were brown rice (BR, 0.002 ppm Cd), each 50% of BR and PBR (BR+PBR 50%, 0.44 ppm Cd) and PBR (PBR 100%, 0.87 ppm Cd). To compare with BR+PBR 50%, the another group diet composed the feed (FE, 0.002 Cd ppm) and each 50% of FE and PBR (FE+PBR 50%, 0.44 ppm Cd). Accumulation of Cd, Zn and Cu in blood, liver and kidney rats was measured by GF-AAS. The weight gain in BR groups and FE groups were different 0.22-0.26 and 1.08-1.26 g/day, respectively. Daily intake cadmium was 10.77 and 22.36 μg/rat in BR+PBR 50% and PBR 100%, and 8.83 μg/rat in FE+PBR 50%. Cadmium contents in diets were higher, and total intake of the heavy metals was more increased on the whole. Weights of liver and kidney in FE+PBR 50% group was 2.64 and 2.27 folds higher than those in BR+PBR 50% group. Cadmium contents in blood were increased with intake of BR diet, but Zn and Cu were decreased with them. In the diet groups with the same Cd concentration, Cd content of FE+PBR 50% was higher 1.27 times than that of BR+PBR 50%. In the diet group of BR, BR+PBR 50%, and PBR 100%, the increase of Cd concentration was significantly different to the increase of Cd content in the livers. In the same condition of Cd concentration, Cd contents were higher in the BR+PBR 50% group. In the diet groups of BR, BR+PBR 50%, and PBR 100%, the increase of Cd content in the kidneys led to the increase of Zn and Cu contents. In the same condition of Cd concentration, the diet group with the addition of BR was shown to be 3.11 times higher than with the addition of FE. In view of the results so far achieved, It was closely related with Cd, Zn, and Cu content.

Antimicrobial activities of methanol, ethanol, water, and CH2Cl2 extracts from Fritillaria unibracteata Hsiao et K.C. Hsia and F. ussuriensis Maxim. were investigated by disk-agar diffusion method. The result showed comparatively strong antimicrobial activity against several microorganisms. The extracts from F. unibracteata and F. ussuriensis dosedependently increased the activity. However, water and CH2Cl2 extracts showed no antimicrobial activity against 7 microorganisms. Especially, against the most sensitive microorganism Staphylococcus epidermidis, methanol extracts at highest concentration of 20 mg/mL exhibited the largest clear zone on plate by 6-12 mm and ethanol extracts on plate by 6-10 mm.

벚나무 꽃과 유엽을 이용한 차개발을 위해 꽃과 유엽의 주요 성분분석, 항균성, 항산화성, 항염증 및 제다 방법에 따른 색도, 무기성분 변화 조사와 품질의 관능 평가 등을 실시하였다. 벚나무 꽃차를 80℃ 물에 우려낸 결과 K, Ca, Mg는 동결건조로 제다한 차에서, Na은 자연건조로 제다한 차에서 많이 추출되었다. 벚나무 꽃차를 우려내는 시간은 무기물의 추출 측면에서 5분 이상 우려내야 할 것으로 나타났다. 덖음 처리로 제다된 유엽차의 무기물을 효과적으로 용출하려면 덖음처리 단계에서부터 90초 정도의 덖음처리를 하는 것이 좋은 것으로 나타났다. 벚나무의 꽃차를 관능평가를 한 결과 꽃차의 색도와 향은 낮게 평가된데 비해 수색은 높게 평가되었다. 유엽차는 덖음처리를 한 것이 높게 평가된 가운데 색도는 다소 낮게 평가되었다. 그러나 향기는 구수하다라는 평가가 많았고, 수색은 녹차와 같다는 평가가 많았다.