This investigation revealed not only the women`s actual condition of dietary habits, but also the factors related to the formation of them. The subjects were 400 women at Seoul area. The results were as follows : 1. It was observed that their home descipline, the school education and consciousness were all related to the formation and their dietary habits, and that the practice and experience of preparing meals were most important in order to cultivate their good dietary habits. 2. Actual condition of dietary habits were generally not satisfactory.
A strain of Saccharomyces cerevisiae BY-366was found to produce a strong sucrose-hydrolyzing enzyme Using this strain, the optimal culture conditions for the production of invertase were investigated. The results are as follows : 1. For enzyme production, optimal temperature, initial pH and critical concentrations of sucrose and raffinose were 30℃, 5.0 and 3.0%, respectively. 2. Enzyme production was reached maxium by organic nitrogen source, 0.3% yeast extract plus 0.5% bactopeptone. 3. It was appeared the presence of 0.1M Mn^2+ and Fe^2+ ion was essential factors, on the other hand, 0.1M Ag^+ and Hg^2+ ion almost block in yeast growth and enzyme production. 4. Invertase productivity was reached maxium within 3days on stationary culture with medium-composed of sucrose 3%, bactopeptone 0.5%, yeast extract 0.3%, K_2HPO_4 0.1%, MgSO4·7H_2O 0.05%.
A strain of Saccharomyces cerevisiae BY-366 was isolated to produce a strong sucrose hydrolyzing enzyme. After entrapment of yeast cell invertase with alginate, enzymatic properties of immobilized cells were investigated. The results are as follows. 1. The optimum pH of invertase in immobilized cells and non immobilized cells was 6.0 and 5.0, and pH stability of invertase in immobilized cells and non immobilized cells was 6.0 and 5.0, respectively. 2. Activation energy of immobilized cells was 4.7㎉/㏖. 3. The immobilized preparation exhibited high resistance to heat and urea induced denaturation. 4. The bead size less than 2㎜ in diameter was desirable. 5. In spite of repeated use, the enzyme activity of immobilized cells was inhibited slightly in batch reaction, and a small column of the immobilized preparation could hydrolyze relatively high concentration of sucrose almost quantitatively to more than 6 days.
The morphological changes of fresh beef treated with ficin(0.1% : 2 hrs, 6 hrs)were examined with transmission electron microscope(TEM), the results obtained were as follows ; Connective tissue protein in fresh beef treated with ficin became gradually fragmentation and was occured stabilization with time. The length of sarcomere in myofibrillar protein was elongated, M-line became dim, and the I-band of Z-line was broken and became fragmentation with time.
This study was devised to observe an inhibitory reaction toward an lipolytic action of toxohormone-L from KEUMSUNYEON powder. Toxohormone-L is known to be a lipolytic factor that was purified from the ascites fluid of sarcoma 180-bearing mice and of patients with hepatoma. KEUMSUNYEON powder was found to inhibit toxohormone-L induced lipolysis at its concentration of 0.5㎎/㎖.
本 硏究는 都市 主婦 124 名을 대상으로 設問 紙法을 이용하여 食生活에서 나타나는 男·의 差異를 調査하였으며, 그 結果는 다음과 같았다. 1) 成長期에 男子형제에 비해 불균형된 食品 分配를 받았던 主婦가 全體의 약 38%로 나타났으며 특히, 육류와 특별한 행사음식의 分配에서 차이가 있었던 것으로 나타났다. 2) 이러한 불균형된 식품분배의 원인은 식품 供給의 부족보다는 男兒先好思想이 더 중요한 원인으로 나타났다. 3) 현재 食事形態, 內容에서 男女의 구분은 사라지고 있었으나, 아직도 47.7%의 主婦가 아들의 食事內容에 더욱 신경을 쓰는 것으로 나타나서 표면적으로 나타나는 意識의 변화에 반해 여전히 sex bias가 존재함을 보여주었다. 4) 經濟的 요인인 가정의 월수입과 社會的 요인인 主婦의 敎育水準은 식생활에서 나타나는 男·女差異와 유의적인 상관관계가 있었다. 즉, 주부의 敎育水準이 높을수록, 가정의 월수입이 높을수록 食生活에서 나타나는 男女差異를 반대하는 경향이었다.
For the study of the effect of dietary phospholipid(PL) on the lipid components of serum and organ tissues in Sprague-Dawley rats, 56 Male-rats were divided into 8 groups, which was composed of 7. One group was fed with basal diet(normal group). And other experimental groups were fed ad libitum with the mixture of carbohydrate : casein: salt mixture : vitamin mixture(60 : 18 : 4 : 1) and at the same time fed administratively with 1 gram of phospholipid -free soybean oil, corn oil and sesame oil, and phospholipid-containing soybean oil, corn oil and sesame oil respectively. After 60 days the rats were fasted for 12 hours and then decapitated to collect blood and separate organ tissues. The lipid and protein components of serum and organ tissues were analized. The results of this study are summarized as follows. The supplementation of dietary phospholipid decreases the food efficiency ratio and the growth rate of experimental rats ; it increases the level of serum phospholipid and cholesterol ester, but decreases the value of total-cholesterol (T-chol.)/PL ; it decreases the value of albumin/globulin (A/G ratio)of serum protein and it increases the level of phosphatidyl ethanolamine(PE) in serum and organ tissues. And the correlation coefficients among the contents of T-chol., of HDL-chol. and of phospholipid in serum and liver are negative in general. Therefore I think that we must eat dietary phospholipid unpurified from vegetable oil to prevent development of atherosclerosis and fat liver.
Deer horn has been used in oriental medicine and folk remedy. It has had much effects on `health and tonic efficacy`. But this word, `health and tonic efficacy`, is very obscure in modern sense. This report attempts to investigate their scientific and objective effects among many papers. The biochemical components of antler are composed of pentoses, hexoses, acid mucopolys-accharides, free and ester fatty acids, glycolipids, phospholipids, prostaglandins, sterols, protein and peptides, free amino acids, minerals, hormones etc. Deer horn extract especially increases body weight gain and feed efficiency, and it stimulates the ability of spermatogenesis of animal. However, a few papers have reported concerning the toxicity and side effects of antler.