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General Introduction of American Ginseng Indigenous in USA and Canada
Park,Chung-Heon,Bang,Kyung-Hwan,Park,Chun-Geun,Sung,Jung-Sook,Song,Won-Seob 한국자원식물학회 2003 Plant Resources Vol.6 No.3
American ginseng (Panax quinquefolium) is herbaceous perennial plants indigenous to North American forests. This is highly valued as medicinal herbs with a long history of collection from wild populations since 1716. Wild American ginseng distributed from Quebec in Canada to northern Florida in USA. A heavy concentration is found in the Appalachian mountains, although wild American ginseng is considered endangered. The price paid for field cultivated ginseng has dropped dramatically in the past 10 years, while the price for wild or woods cultivated ginseng has rised significantly. The price curve for ginseng resembles a roller coaster, reflecting not only supply and demand but many other factors. This information will be useful to understand American ginseng compared to Korean ginseng.
이원영,조근호,박천호 한국화훼연구회 2001 화훼연구 Vol.9 No.1
This study focuses on changes in the kinds of flowers, colors, shapes of bridal bouquet in Korea for 50 years from 1950's to 1990's. The results show that two to three kinds of flowers were used in 1960's and 1970's, but various materials were used in 1980's and 1990's. White chrysanthemums rank first in 1950's and 1960's, carnations in 1970's, but roses and cymbidiums in 1980's, and use of cymbidiums, roses, and denphalae increased in 1990's. When it comes to foliage, camellia leaf used most frequently until 1960's and Asparagus in 1970's, but use of various tropical foliage such as scindapsu, ivy, Rumora fern increased in 1980's. In colors, white was most preferred in 1950's and 1960'sl pink was added in 1970's, but both white and pink were used in bouquet and boutonniere in 1990's. In shape, large arm bouquet was most preferred in 1950's. Round bridal bouquet with long asparagus stem was most favorite style in 1960's and 1970's, cascade shape and empire bouquet in 1980's, and various bridal bouquet such as cascade, round, triangular and free style in 1990's. In boutonniere they used triangular most frequently.
이성환,김준식,박근수,김명성,권태찬,김천수,이상락 啓明大學校 醫科大學 1996 계명의대학술지 Vol.15 No.1
A Clinical assessment of the 25 patients with dilated cardiomyopathy who were admitted to the Department of Pediatrics, Keimyung University Dong San Hospital from January, 1982 to June, 1993 was performed. The result were as follows: 1) Among 25 patients with dilated cardiomyopathy. 8(32%) were younger than 1 year of age at the time of admission. 2) Adriamycin toxicity was the only encountered etiologic factor in 1 patient. 3) On admission, hepatomegaly and tachycardia were noted in almost all patients. 4) The Chest X-rays showed cardiomegalies in all 25 patients, pulmonary vein congestions in 15(60%) and pleural effusion in 2(8%). 5) The electrocardiography showed left ventricular hypertrophy in 72% and supraventricular tachycardia in 32%. 6) The echocardiographic examination showed left ventricular dilatations in all patients and left atrial dilatations in 20(80%). 7) Of 18 patients who had followed mean period of 2.9 years, 10 patients died within 9 months after the diagnosis.
토당귀 종자의 형태적 특성과 발아와 입모율에 대한 저장방법,생장조절제 및 프라이밍 처리 효과
안희정,안복주,·김도현,·안영섭,·김영국,박춘근,이상원,·박충범·차선우,·송범헌, 忠北大學校 農業科學硏究所 2015 農業科學硏究 Vol.31 No.1
This study was conducted to have basic and applied informations to establish the cultivation method and to improve the cultivation techniques of Angelica gigas Nakai through investigating the rates of germination and seedling establishment with treatment of plant growth regulator and seed priming. The germination rates of round shape seed were about 0.3~12% higher than those of parallel shape. The germination rates with different storage durations were increased at the level of 25oC and 4oC with the storage days, while they were clearly higher at -20oC compared to those at 4oC and 25oC without the storage durations. With the results of germination rates with treating of plant growth regulator and seed priming, their rates with the round shape seeds were comparatively higher about 6% than those with parallel shape seed and they were increased with increasing of the storage durations. The germination rates were generally appeared higher with GA3 than did those with seed priming. The highest germination rate was appeared at 50 ppm GA3 of plant growth regulator and at -0.5 MPa PEG6000 of seed priming. The germination rates?ㅤ ?ㅤ of Angelica gigas were different with different temperature, storage durations and the treatments of plant growth regulator and seed priming. These results could be used according to different cultivating conditions.
Genetic Diversity and DNA Polymorphism in Platycodon grandiflorum DC. Collected from East-Asian Area
Chun-Geun Park,Zhi-Yi Yan,Sang-Chul Lee,Tae-Kwon Shon,Hee-Woon Park,Dong-Chun Jin 韓國藥用作物學會 2005 한국약용작물학회지 Vol.13 No.2
Broadening the genetic base of Platycodon grandiflorum DC. cultivar to sustain improvement requires assessment of genetic diversity available in P. grandiflorum DC.. The objective of this study was to analyze the genetic variation, genetic relationship among 48 samples collected from East-Asian Area by means of RAPD-PCR (random amplified polymorphic DNA-polymerase chain reaction) markers. From the 18 primers tested, produced total 211 bands with an average of 11.7 bands per primer and obtained 103 polymorphic band with an average of 5.7 bands per primer,s revealed relatively high percentage of polymorphic bands (48.8%). The genetic similarities calculated from RAPD data varied from 0.688 to 0.994 and were clustered to six major groups on a criterion of 0.78 similarity coefficient. The present study has revealed the significant genetic similarity among the samples tested. The analysis of genetic relationships in P. grandiflorum using RAPD-PCR banding data can be useful for the breed improvement.
Genetic Diversity and DNA Polymorphism in Platycodon grandiflorum DC. Collected from East-Asian Area
Park, Chun-Geun,Yan, Zhi-Yi,Lee, Sang-Chul,Shon, Tae-Kwon,Park, Hee-Woon,Jin, Dong-Chun The Korean Society of Medicinal Crop Science 2005 韓國藥用作物學會誌 Vol.13 No.2
Broadening the genetic base of Platycodon grandiflorum DC. cultivar to sustain improvement requires assessment of genetic diversity available in P. grandiflorum DC.. The objective of this study was to analyze the genetic variation, genetic relationship among 48 samples collected from East-Asian Area by means of RAPD-PCR (random amplified polymorphic DNA-polymerase chain reaction) markers. From the 18 primers tested, produced total 211 bands with an average of 11.7 bands per primer and obtained 103 polymorphic band with an average of 5.7 bands per primer,s revealed relatively high percentage of polymorphic bands (48.8%). The genetic similarities calculated from RAPD data varied from 0.688 to 0.994 and were clustered to six major groups on a criterion of 0.78 similarity coefficient. The present study has revealed the significant genetic similarity among the samples tested. The analysis of genetic relationships in P. grandiflorum using RAPD-PCR banding data can be useful for the breed improvement.
Immunohistochemical Study on the Hair Growth Promoting Effect of Yonnyuniksoogobon-dan
Jeong, Chun-Geun,Park, Min-Hee,Seong, Ju-Won,Lee, Hyun-Sam,Park, Seong-Kyu,Kim, Sun-Yeou,Kim, Yoon-Bum,Jung, Hyuk-Sang,Sohn, Nak-Won,Sohn, Young-Joo The Society of Korean Medicine 2008 대한한의학회지 Vol.29 No.5
Objectives : This study evaluates the hair growth promoting effect of Yonnyuniksoogobon-dan on shaved C57BL6 mice. Methods : Yonnyuniksoogobon-dan was administered orally (Group I) and both orally and by skin application (Group II) once a day for 12 days. The experimental groups were compared to Control, which was orally administered physiological saline solution. Hair regrowth was photographically and histologically determined during the experimental period. The levels of hair growth cycle related factors (EGF, TGF-${\beta}$1) and vascular factors (VEGF, iNOS) were also determined by immunohistochemistry. On gross observation of hair growth, both Group I and Group II shaved C57BL6 mice showed accelerated hair regrowth. Results : The hair regrowth index of Group I increased significantly from 7 days (P<0.05) to 12 days (P<0.01) after shaving and that of Group II was significantly higher at 12 days (P<0.05). On histological observation, both Group I and Group II demonstrated histological improvement and increases in the number and diameter of the hair follicles. EGF expression on the root sheath of hair follicles was up-regulated in both Group I and II. TGF-${\beta}$1 expression on the root sheath of hair follicles was unchanged in both Group I and II. VEGF expression in the tissues surrounding hair follicles was up-regulated in both groups. iNOS expression in the tissues surrounding hair follicles was down-regulated in both groups. Conclusions : These results suggest that Yonnyuniksoogobon-dan promotes hair growth and this effect is related to up-regulation of EGF and VEFG expression and down-regulation of TGF-${\beta}$1 and iNOS expression on hair roots.
만성 B 형 간염 환자 간조직의 제 Ⅳ형 Collagen, Laminin, 및 Fibronectin 의 발현과 임상검사 성적과의 비교
이민호,박근태,김진배,황선호,최호순,함준수,기춘석,홍은경,박경남,윤병철,박문승,박문향 대한소화기학회 1999 대한소화기학회지 Vol.33 No.6
Background/Aims: Hepatic fibrosis is caused by increased deposition of liver connective tissue components in the intercellular space. This leads to disturbance of intrahepatic blood flow and hind rance of exchange process between blood and cells. We investigated the deposition of extracellula matrix in the liver of patient with HBsAg positive chronic liver disease and the results were compared with those of other liver function tests. Methods: Needle-biopsied specimen was obtained from 31 patients with mild chronicactive hepatitis (CAH), 30 patients with moderate CAH, 19 pati ents with severe CAH, and 18 patients with cirrhosis. Immunohistochemical stains using antibodies were performed for type Ⅳcollagen, fibronectin and laminin. Results: Shunt index which could be measured with Thallium 201 scan was significantly increased according to the degree of stain for type Ⅳcollagen in portal area, especially in severe chronic active hepatitis and cirrhosis group. Pro thrombin time (%) and serum albumin we decreased according to the degree of stain for laminin in lobule. Conclusions: These results suggest that the deposit of type Ⅳcollagen in portal area i a major contributing factor in the development of intrahepatic shunt and the deposit of laminin within Disse' s space may cause impairment of the hepatic function in cirrhosis.