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朴榮浩 釜山水産大學校 1973 釜山水産大學 硏究報告 Vol.13 No.1
In the present study, the effect of storage condition, particularly, high humidity to the changes in chemical components of dried lavers was investigated and some characteristic patterns of the changes were discussed. Dried lavers, Porphyra yezoensis Ueda, were stored at 20� under two different levels of humidity, that were 78% and lower than 7% as relative humidity, respectively. And the content of pigments, organic acids, sugars, and fatty acids were analyzed at 10,25 and 45 day intervals during the storage. Total acidity was also determined. Degradation of chlorophyll a was faster than other pigments such as carotenoids and phycobilins under high humidity. For instance, after 45 day storage, more than two-fold of chlorophll a was retained in low humidified sample compared with that in the case of high humidity whereas a remarkable difference in retention rate of carotenoids or phycobilins was not detected. phycobilins showed high stability under the condition of high humidty, particularly, in phycoerythrin than in phycocyanin. Eight kinds of non-volatile organic acid namely pyruvic, lactic, malonic, fumaric, oxalic, malic, succinic, and citric acid were gas chromatographically identified. The stability of theses acids appeared quite differently by storage humidity. The acids like oxalic, malic, and succinic, did not show an outstanding change under low humidity even after 45 day storage while both oxalic and malic acids remarkably decrased under high humidity and succinic acid contrary increased under the same condition. Citric acid, however, decreased under both cases of humidity. The total amount of volatile acid tended to increase throughout the storage under both high and low humidity, but the rate of increase was relatively greater in case of high humidity than that of low humidity. On the other hand, the same tendedcy was observed in change of total acidity in which the value tended to increase under the high humidity while that remained steady under the low humidity. In the free amino acid composition of dried lavers, alanine,glutamic and aspartic acid were dominant in content whereas such amino acids as methionine, cystine, histididine, comparatively low. It is noteworthy that the content of taurine was tremendously high as an amino acid related compound. During the storage, a significant change in the total amino acid level and individual variation was not detected. In another aspect of storage stability of chemical components, glucose remained with negligible change under both storage conditions and galactose increased rapidly under the high humidity while maintained a steady level under the low humidity. On the contrary, the floridoside decreased rapidly under the high humidity whereas slowly under the low. In the tendecy of strorage stability of fatty acid, tended to decrease in the low humidified material. Under high humidity, ?? acid appeared stable while ?? acid considerably increased. The total fatty acid level which was consisted of 14 kinds of fatty acid seemed to increase in high humidified material and to decrease in the low humidified material.
Capsaicin 가수분해효소의 흰쥐 간세포내 소재확인
박영호,이상섭,Park, Young-Ho,Lee, Sang-Sup 대한약학회 1994 약학회지 Vol.38 No.1
Capsaicin(8-methyl-N-vanillyl-6-nonenamide) is the principal pungent component of Capsicum fruits. This work is directed to the capsaicin-hydrolyzing enzyme playing a key role in the rate limiting and critical step of capsaicin metabolism. In order to get precise information on the enzyme's subcellular location, rat liver homogenate was divided into six subcellular fractions by differential centrifugation technique: crude nuclear pellet, PNS(post nuclear supernatant) fraction, lysosomal pellet, cytosol, Tris wash fraction, micrisomes. Capsaicin-hydrolysing enzyme activity was analysed by high performance liquid chromatography(HPLC). This enzyme was found at the highest specific activity in the microsomal fraction and co-distributed with marker enzymes of the endoplasmic reticulum, NADPH-cytochrome c reductase and nucleoside diphosphatase. This is compatible with the result of ninhydrin color reaction of vanillylamine, primary metabolite of capsaicin hydrolysis, on thin layer chromatography(TLC). This enzyme is most active at pH $8.0{\sim}9.0$. Definite subcellular location of this enzyme will make it easy to proceed with further study.
박영호 한국성서대학교 2000 一粒論叢 Vol.6 No.-
노인을 위한 사회보장 제도는 달리는 매우 빈곤해지기 쉬운 집단의 빈곤 발생을 낮추는 데 큰 성공을 했다고 판단된다. 그러나 반면에 이 제도는 대가족의 구성원들이 사적으로 서로 보살피는 동기를 감소시켰다. 대안으로 부모나 노인들을 돌보는 가족들을 위한 적극적인 재정적 유도책으로 세금 감면을 사용할 수 있었다. 이런 방법들은 가족의 책임에 대한 성경의 적극적인 관심을 반영할 수 있다. 반면에 실업 보험은 파렴치한 수령자들의 장기적인 나태를 조장하는 경영적 문제들도 있지만, 아마 손상되지 않은 핵가족을 강화할 것이다. 오늘날 우리나라 복지제도를 볼 때, 특별히 원조를 받는 건강한 실업자들의 의존성과 무노동을 우려한다. 성경이 가르치는 윤리적 취지에 비추어 볼 때 이 우려는 정당하다. 우리의 메시지는 의존성과 노동자 재교육을 처리하기 위한 우리의 노력들에 있어 우리가 가족들의 복리를 변화시키는 영향을 우리의 윤리적 시금적으로 사용해야 한다. 우리는 특별한 개혁의 노력이 강한 가족들을 확립하고 유지하는데 도움이 되는지, 또는 반대로 가족의 구성과 안정을 약화시키는 동기들을 포함하고 있는지 항상 평가해 보아야 한다.