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수종의 페니실린들이 안지오텐신 변화효소 활성에 미치는 영향
윤혜숙,정성현,한병훈 ( Hye Sook Yun ( Choi ),Sung Hyun Chung,Byung Hoon Han ) 생화학분자생물학회 1982 BMB Reports Vol.15 No.2
Thirteen different penicillins and cephalosporins were tested against the activities of angiotensin converting enzyme(ACE). Pivampicillin and talampicillin showed mild inhibitory activities against ACE. The inhibitory activities were confirmed by observing that pivampicillin and talampicillin inhibited the contractions induced by angiotensin I but not the contractions by angiotensin II on isolated rat ileum. Penicillins and cephalosporins cephalosporins have some resemblance on their chemical structure to captopril, one of the most potent inhibitory of ACE. However, the result showed that the overall structure of penicillins and cephalosporins are unfavorable for the compounds to be inhibitory to ACE. On the other hand, esterification of the free acid resulted in increase the inhibitory activities.
강간제로 사용된 생약의 조사연구 (Ⅳ) : 보간성 생약 차전자의 성분 분리 및 약리연구
윤혜숙(Hye-sook Yun Choi),장일무(Il-moo Chang),지형준(Hyung-joon Chi),이서연(Soe-yun Lee) 한국생약학회 1980 생약학회지 Vol.11 No.2
Water fractions prepared from Plantaginis Semen and Plantaginis Folium exhibited both significant liver-protective activities against CCl₄ intoxication. Aucubin, an iridoid glycoside, isolated from both leaves and seeds of Plantago asiatica(Plantaginaceae) also showed potent liver protective activities against the animal model of hepatitis induced by CCl₄ intoxication.
윤혜숙(Hye Sook Yun-Choi),이종란(Jong Ran Lee),이희주(Hee Joo Lee),윤성미(Sung Mee Yun),이선(Sun Lee) 대한약학회 1987 약학회지 Vol.31 No.1
The preparation of substituted benzoylamino acids and mercaptoacylamino acids as inhibitors of angiotensin converting enzyme is described. The bulky phenyl ring directly attacted to an amino acid as of benzoylamino acid seemed unsuitable for the inhibitory activities. Among the mercaptosuccinylamino acids, L-proline was more favorable than L-phenylalanine while S-acetylation was unfavorable.
윤혜숙(Hye Sook Yun-Choi),유경숙(Kyung Sook Yoo),이숙연(Sook Youn Lee),이연희(Youn Hee Lee),곽의종(Wie Jong Kwak),김기협(Ki Hyup Kim) 한국생약학회 1990 생약학회지 Vol.21 No.4
Crude Aconiti Tubers were irradiated with microwave for 5 or 10 min with or without NaHCO₃. Ten min-irradiation reduced the contents of aconitine and mesaconitine to the level of those of commercially available processed Aconiti tuber power which is prepared with the high pressure-high temperature technique. The contents of benzoylaconine of the 10 min-irradiated Aconiti tubers were also comparable to those of commerciallized processed Aconiti tuber powder. However, irradiation with 1%o NaHCO₃ soln. resulted in the drastic reduction of all the three above alkaloids.
윤혜숙(Hye Sook Yun-Choi),김제훈(Jae Hoon Kim),이종난(Jong Ran Lee) 한국생약학회 1986 생약학회지 Vol.17 No.1
As a continuation of the previous work, a second group of sixty solvent fractions prepared from twenty plant species were screened for their inhibitory effects on adenosine 5`-diphosphate (ADP)-, arachidonic acid (AA)- or collagen-induced rat platelet aggregation. The results suggested that five plant species including Angelica koreana, Cassia obtusifolia, Gastrodia elata, Paeonia lactiflora and Salvia miltiorrhiza are potential sources of inhibitors of platelet aggregation.
Separation and identification of Cirsimarin from Cirsium Pendulum FISCH
Hye Sook Yun Choi(윤혜숙),Il Moo Chang(장일무) 한국생약학회 1978 생약학회지 Vol.9 No.3
Whole plant of Cirsium pendulum FISCH was extracted with methanol and a flavonoid glycoside was isolated from the methanol extract. The glycoflavonoid was identified as cirsimarin, 4`,5-dihydroxy-6,7-dimethoxyflavone-4`-β-D-glucopyranoside.
택사의 Alisol 성분들이 몇가지 Agonist 에 의한 적출장관 수축에 미치는 영향
윤혜숙(Hye-Sook Yun Choi),정성현(Sung-Hyun Chung),김영숙(Young-Sook Kim) 한국생약학회 1981 생약학회지 Vol.12 No.4
Alisol B(II) and alisol B monoacetate (III) isolated from the rhizome of Alisma orientale Jazepczuk (Alismataceae) showed antagonistic effects against the contractions induced by angiotensin and bradykinin in rat ileum. However, they seem to be nonspecific antagonism.
강장제로 사용된 생약의 조사연구 (Ⅰ) : 간담에 미치는 효과에 관하여
Hye Sook Yun Choi(윤혜숙),Il Moo Chang(장일무) 한국생약학회 1977 생약학회지 Vol.8 No.3
Literature survey was undertaken to investigate what medicinal plants have been used as hepatotonic or for treatment of various liver diseases in far eastern asian countries. Total 59 plants were found to be described in the literatures. And 9 plants among them were studied on their hepatotonic activities against animal model of hepatitis. Several plants appeared to exhibit profound activities on the hepatitis model employed.
Ethoxy-hydroxy-benzoic Acid : A Platelet Antiaggregating Substance from Acanthopanacis Cortex
윤혜숙(Hye Sook Yun-Choi),김선옥(Sun Ok Kim),김제훈(Jae Hoon Kim),조한익(Han-Ik Cho) 한국생약학회 1983 생약학회지 Vol.14 No.4
The BuOH fraction prepared from the methanol extract of Acanthopanacis Cortex showed inhibitory activity against ADP-induced platelet aggregation. The inhibitory activity remained in ether layer when the BuOH fraction was refluxed with 5% aq. HCl-EtOH (1 : 1 mixture) and extracted with ether. From the ether layer, ethoxy-hydroxy-benzoic acid (m.p. 128∼130℃), a platelet antiaggregating substance, was isolated.