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국내 도시락 공장을 조사 분석하여 대량생산에 적합토록 그 문제점을 보완 개선했다. 특히 식품위생법과 건축법상의 공장허가 사항을 고려해서 3가지 면적별로 모델 도시락 공장을 설계하였다. 작업장은 하나의 개방공간에 배치된 기기류를 오염지역, 준청결지역, 청결지역으로 나누어 작업중의 2차오염 문제를 배제시켰고, 기기류는 밥급속냉각기, 냉장고 겸 냉각기를 설치하여 위생안전성을 부여했으며, 청결실에 멸균(집진)기를 설치하여 완제품의 초기 미생물 농도를 줄이고 2차오염 요인을 제거함으로써 위생적인 도시락 생산유통이 가능한 도시락 생산공장을 설계하였다. Because the production facilities of the Korean convenient food companies are placed in one space, the final products could be easily contaminated. It is necessary that the work space should be devided into contaminated zone, semisanitary zone and sanitary zone. The layout of the preparation facilities are reconsidered. Requirements for equipment and the facilities criteria be complemented with the air clean unit, and chilling refrigerator for rapid chilling of boiled rice and the cooked dishes for the assurance of the microbiological guality of foods. The equipment and the work space of the model companies which have the area of 99㎡, 200㎡ and 300㎡ are properly placed and designed in accordance with the regulations of the food sanitation and the architecture. (Packaging Meal Production Facilities)
The standard laboratory procedures for determining percent body fat, i.e., total body water, total body potassium, underwater weighing methods, etc. are accurate arid generally applicable to laboratory science but they are far too complex and time-consuming to be administered to large populations in school settings. Therefore, the present study compared two indirect, convenient methods of evaluating the degree of obesity-skinfold thickness method(ST method) and Rohrer index method(RI method). And this study was accomplished to investigate the prevalence of obesity in junior high school boys and girls. Of 527(X=13.8years, 161.7㎝, and 52㎏) 206(36.7%) were evaluated as obesity by either ST method or RI method. Only 95(17.8%) were found to be obese by both methods. The results indicate that the evaluation of obesity are influenced largely by the methods applied. Recognizing the need for simplifying the manner in which the assessment of body fat is made, great caution should be paid when obesity is evaluated by indirect methods.
2-Thiobarbituric acid (TBA) test, as indirect method, has recently been used for the determination of lipid peroxidation in biological systems including blood. Together with the low sensitivity, lacks of the specificity and the understanding the reaction mechanism, however, have limited the usefullness of TBA test. Under the nitrogen atmosphere FeCl₃ showed great enhancement effect on the sensitivity of TBA reaction with serum protein precipitate involving lipid peroxides, but not with tetraethoxypropane. Thus ferric ion was thought to catalize the releasing TBA reactive chromogenic substance, malondialdehyde, from its precursors. The amount of ferric ion required seemed to be proportional to that of serum tested. Also, oxygen should be eliminated in serum TBA reaction so that the reaction could reach at stabe maximum and keep its plateau value. Under anaerobic atmosphere, albumin and amino acids (methionine and glutamic acid) may not contribute significantly to the great enhancement of serum TBA value induced by ferric ion.
To evaluate the effects of obesity index and dietary intakes on serum lipid levels of 125 volunteer children, 6 to 12 years old, a survey was conducted at Youido elementary school, which offers no school lunch program, in April and July, 1992. Subjects' fasting blood samples were analyzed for serum triglyceride (TG), total cholesterol and high density lipoprotein cholesterol (HDL-C). Low density lipoprotein cholesterol (LDC-C), LDL-C/HDL-C ratio, and atherogenic index (AI) were calculated. Information on subjects' dietary intakes were obtained by repeated 24-hour recall method for 3 days. Total cholesterol levels of the subjects were 164.4 ㎎/㎗, which was higher than average level of Korean children. Obesity index showed significant (p$lt;0.05) positive correlations to LDL-G, LDL-C/HDL-C ratio and AI. Although total cholesterol level was higher in overweight and obese subjects than that of the normal ones, the difference didn't reach statistical significance due to the individual variations. According to total cholesterol and LDL-C criteria, 36.8% and 20.5% of subjects were in borderline-or high-risk group, respectively. According to TG criterion, 23.8% of the subjects were in risk group of cardiovascular disease. LDL-C and total cholesterol levels were positively correlated. As obesity increases, serum lipid profiles increase to make the risk of cardiovascular disease susceptible. Intake of vegetable foods showed positive correlation to HDL-C and negative correlation to total cholesterol, LDL-C/HDL-C ratio and AI while animal foods showed the opposite effects. This study also found that dietary fiber had the tendency to lower the indices of cadiovascular disease risk. The survey emphasizes the urgent need of the nutrition education through school lunch program to improve the children's health.
녹두발아중 항영양 과당류의 변화를 알아보기 위하여 실온에서 15시간 침지시킨 녹두 (Phaseolus aureus)를 25℃에서 7일간 발아시키면서 실리카박충크로마토그라피로 당의 패턴을 분석하였다. 녹두의 수분 함량은 15시간 침지 이후 발아 3일까지 65%로 유지되다가 4일째부터는 82%로 거의 안정하였다. 항영양 과당류인 raffinose와 stachyose는 박충크로마토그라피상에서 발아 1∼2일째 급격히 감소하여 미량 존재하다가 3일째부터는 거의 소멸되었다. To examine changes of antinutritional oligosaccharides, particularly raffinose and stachyose, of mung beans during germination, mung beans (Phaseolus aureus) were germinated at 25℃ for 7 days after soaking for 15 hr. The 80% ethanol extracts of mung bean sprouts were analyzed by Kieselgel thin-layer chromatography using a solvent system, ethylacetate, acetic acid and water (3:1:1, v/v). The moisture level was increased greatly after soaking followed by stabilization along to the 3rd day of germination. The level was increased slightly on the 4th day and thereafter stabilized. Antinutritional oligosaccharides, raffinose and stachyose was diminished significantly on a thinlayer chromatogricadtly on the 1st and 2nd day of germination, and disappeared almost thereafter.