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영지(靈芝)버섯(Ganoderma lucidum)의 소화기계(消化器系)에 대한 약효연구(藥硏究)
정명현,엄기진,이병주,임기룡,Chung, Myung-Hyun,Um, Kie-Jin,Lee, Byung-Joo,Rim, Gi-Ryong 한국생약학회 1993 생약학회지 Vol.24 No.2
This study was attempted to investigate the effect of Ganoderma lucidum extract on digestive system in experimental animals. Ganoderma lucidum water extract (GWE) was found to be promoted the charcol transport rate in the small intestine of mice. GWE exhibited the augmentation of spontaneus movement(motility) and contractile response(tension) in the ileum and colon strips of rabbit, and these action were inhibited by atropine. GWE given intraduodenaly(i.d.) exhibited the significant increase of gastric acid secretion in pylorus-ligated rats. GWE inhibited the formation of some experimental gastric ulcers(pylorus ligation ulcer i.d., indomethacin-induced ulcer p.o., i.d. and aspirin-induced ulcer p.o.) in rats, which are considered to relate to a protective action. GWE and EtOH extract(water soluble phase) were remarkably increase of bile excretion, when administration of i.d., intravenation(i.v.) and per os (p.o.) compared with normal-control group. GWE was observed antibacterial activity aginst several intestinal microoganisms and others bacteria in vitro test.
혈압강하제 국산 자원생약의 개발에 관한 연구 (Ⅱ) : 사철나무(和杜仲) 수피의 가토 혈압에 미치는 영향
정명현(Myung Hyun Chung),박정완(Chung Wan Pak) 한국생약학회 1975 생약학회지 Vol.6 No.1
Attempts were made to investigate the pharmacological actions of Euonymus japonicae Cortex which is used as a substitute of Eucommiae Cortex. Practically the influence of the alcohol extract of the bark on the blood pressure response of rabbit, was examined, and the results are as follows. 1) The intravenous injections of the alcohol extracts of the bark decreased the blood pressure of rabbits to 4.6 11.1 and 34.2 mmHg respectively. 2) The intravenous injections of 10 ㎎/㎏ of the alcohol extract after intravenous injection of atropine 4 ㎎/㎏ or that of propranolol 2 ㎎/㎏ did not give any notable change to the blood pressure. 3) The intravenous injections of 10 ㎎/㎏ of the alcohol extract slightly decreased the raised blood pressure caused by the administration of acetylcholine 10^(-8)g/㎏ and 10^(-7)g/㎏.
혈압강하제 국산 자원생약의 개발에 관한 연구(Ⅲ) : 한국산 두충의 가토 혈압에 미치는 영향
정명현(Myung Hyun Chung),박정완(Chung Wan Pak) 한국생약학회 1975 생약학회지 Vol.6 No.1
Influence of Eucommiae Cortex in Korea on the blood pressure of the rabbit was examined, 1) The intravenous injection of 3 ㎎/㎏, 10 ㎎/g and 30 ㎎/㎏ of the water extract to the rabbit decreased its blood pressure to 9.7 ±1.9, 26.4 ±1.7 and 35.5 ±2.7mmHg. respectively. 2) The intravenous injection of 10 ㎎/㎏ of the water extract did not show any remarkable influence to the blood pressure caused by the intravenous injection of acetylcholine 10^(-8)g/㎏ and 10^(-7)g/㎏. 3) The intravenous injection of the water extract after the intravenous injection atropine 2㎎/㎏ did not show any remarkable change to the blood pressure 4) The intravenous injection of the water extract after the intravenous injection of propranolol 2㎎/㎏ slightly decreased the blood pressure,
혈압강하제 국산 자원생약의 개발에 관한 연구(Ⅰ) : 한국산 두충과 원두충, 화두충과 대두충의 형태학적 연구
정명현(Myung Hyun Chung),박정완(Chung Wan Pak) 한국생약학회 1975 생약학회지 Vol.6 No.1
Morphological characteristics of the Eucommia barks preduced in Korea and China and of the barks of Euonymus japonicus THUMBERGI in Korea and Euonymus pellucidifolia HAGATA in Taiwan were compared. The similarity in morphological features between Eucommiae Cortex produced in Korea and that of China suggests that both plants are of same botanical origin. However, the size of tissues and cells indicates that there is only one difference due to warm climatic environment. The similarity and difference of the barks of Euonymus japonicus produced in Korea and Euonymus pellucidifolia produced in Taiwan comfirmed that the two plants belong to the same genus and that they are different species.
생약처방의 탕(煎)제 제조에 관한 연구 : 유효휘발성분의 손실방지에 관하여
정명현(Myung Hyun Chung),이춘홍(Choon Heung Lee) 한국생약학회 1977 생약학회지 Vol.8 No.2
The investigation is involved with the development of the new method of decoction preparation in order to prevent the loss of volatile oil from crude drugs. Volatile oil in crude drug containig volatile oil ranged from 1 to 2.2% in content. Volatile oil content in crude drung prescription which main component is a crude drug containing volatile oil was 0.11∼0.39 ㎖. It was found that traditional method of decoction preparation has caused to lose almost all of the volatile oil. Application of method of Pharmacopoea (Kp II) for the preparation of decoction prevented the loss of volatile oil from one half to two-third of its content. The method of Pharmacopoea to which air condenser was attached could completely prevented the loss of volatile oil from the preparation.