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Quantitative Analysis of Ginsenosides Composition in Flower Buds of Various Ginseng Plants
Ko, Sung-Kwon,Cho, Ok-Sun,Bae, Hye-Min,Im, Byung-Ok,Lee, Ok-Hwan,Lee, Boo-Yong The Korean Society for Applied Biological Chemistr 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.1
The content of ginsenosides in ginseng is known to differ based on the parts, including root, leaf, and flower buds. Ginseng flower buds cultivated in Korea and China contain the highest amount of Re of 3.455 and 2.727%, respectively. However, Sanchi flower bud cultivated in China contained the highest amount of ginsenoside-Rb1 (3.738%).
배옥란(Ok-ran Bae),고창배(Chang-bae Ko),윤종수(Jong-soo Yoon) 한국컴퓨터정보학회 2021 韓國컴퓨터情報學會論文誌 Vol.26 No.12
본 연구는 SNS 마케팅을 활용하여 우리의 일상과 밀접한 관련이 있는 소상공인들의 마케팅 활용 방안 모색에 도움을 제공하기 위한 목적으로 수행하였다. 연구목적을 달성하기 위하여 본 연구는 SNS 사용자를 대상으로 설문조사를 통한 다양한 통계분석을 실시하였다. 분석결과, SNS의 특징인 정보제공성, 상호작용성, 편익성 모두 구매의도에 긍정적인 영향을 미쳤으며, 그 영향력의 크기도 편익성, 정보제공성, 상호작용성 순으로 나타나, 편익성이 구매의도에 가장 큰 영향을 미치는 것으로 나타났다. 이를 통해 볼 때, 소비자와의 의사소통과 유용한 정보 제공은 소상공인을 위한 SNS 마케팅의 필수 요소이고, 이들이 SNS에 쉽게 접근할 수 있는 혜택에 초점을 맞추면 구매의도를 높일 수 있을 뿐만 아니라 구매실행으로 이어질 수 있는 전략적 방안 수립이 가능할 것이다라는 시사점을 발견할 수 있었다. This study was conducted with the aim of providing help in finding ways to utilize marketing for small business owners closely related to our daily lives by utilizing SNS marketing. To achive these research purpose, the study conducted various statistical analyses using questionnaire of SNS users. The results and implications of this study are as follows. The characteristics of SNS, such as information provision, interactivity and convenience, all showed positive positive effects on the intention of purchase, and the size of the influence was shown in the order of convenience, information provision and interactivity, confirming that the convenience had the greatest impact on the intention of purchase. Based on the impact of SNS characteristics on purchasing intentions, the results of this study confirmed that all three characteristics of SNS, namely interactivity, information provision and convenience, are important variables in predicting consumers" purchasing intentions. Communication with consumers and providing useful information can be seen as essential factors in conducting SNS marketing for small business owners, and if they focus on the benefits that make it easy to access SNS, they will not only be able to increase their purchasing intentions but also to develop strategic ways to lead to the execution of purchases.
( Sung Kwon Ko ),( Boo Yong Lee ),( Ok Hwan Lee ),( Byung Ok Im ),( Ok Sun Cho ),( Hye Min Bae ) 한국응용생명화학회(구 한국농화학회) 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.1
The content of ginsenosides in ginseng is known to differ based on the parts, including root, leaf, and flower buds. Ginseng flower buds cultivated in Korea and China contain the highest amount of Re of 3.455 and 2.727%, respectively. However, Sanchi flower bud cultivated in China contained the highest amount of ginsenoside-Rb1 (3.738%).
Clinical manifestation of Campylobacter enteritis in children
Bae, Joon Yeol,Lee, Dong Hyuk,Ko, Kyung Ok,Lim, Jae Woo,Cheon, Eun Jeong,Song, Young Hwa,Yoon, Jung Min The Korean Pediatric Society 2018 Clinical and Experimental Pediatrics (CEP) Vol.61 No.3
Purpose: Timely antibiotic therapy in selected cases of diarrhea associated with bacterial infections can reduce the duration and severity of illness and prevent complications. The availability of a predictive index before identification of causative bacteria would aid in the choice of a therapeutic agent. Methods: The study included patients admitted to the pediatrics unit at Konyang University Hospital for acute inflammatory diarrhea from August 1, 2015 to July 31, 2016 who underwent multiplex polymerase chain reaction testing. Of 248 patients, 83 had positive results. The clinical symptoms and blood test results were examined in 61 patients with Campylobacter spp. (25 patients), Salmonella spp. (18 patients), and Clostridium perfringens (18 patients) infections. The mean age of the 61 patients (male:femal=31:30) was $84.0{\pm}54.8months$, and the mean hospital stay was $4.6{\pm}1.7days$. Results: There were no statistical differences in sex, age, clinical symptoms, or signs. Patients with Campylobacter infection were significantly older (P=0.00). C-reactive protein (CRP) levels in patients with Campylobacter infection were higher than those in the other 2 groups, at $9.6{\pm}6.1mg/dL$. The results of receiver-operating characteristic curve analysis showed that the cutoff age was ${\geq}103.5months$ (sensitivity, 72%; specificity, 86%) and the CRP cutoff level was ${\geq}4.55mg/dL$ (sensitivity, 80%; specificity, 69%). Conclusion: Age (${\geq}103.5months$) and higher CRP level (${\geq}4.55mg/dL$) were good predictors of Campylobacter enterocolitis. If neither criterion was met, Campylobacter enterocolitis was unlikely (negative predictive value 97.2%). When both criteria were met, Campylobacter enterocolitis was highly likely.
Ok Jeong Lee,Su-Jin Kim,박형두,이수연,Chi-Hwa Kim,Ah-Ra Ko,Yeon-Joo Yook,Su-Jin Lee,박성원,Se-Hwa Kim,Sung-Yoon Cho,Eun-Kyung Kwon,Sun Ju Han,진동규,Young Bae Sohn 대한소아청소년과학회 2012 Clinical and Experimental Pediatrics (CEP) Vol.55 No.3
Purpose: Mucopolysaccharidosis type II (MPS II or Hunter syndrome)is a rare lysosomal storage disorder caused by iduronate-2-sulfatase (IDS) deficiency. MPS II causes a wide phenotypic spectrum of symptoms ranging from mild to severe. IDS activity, which is measured in leukocyte pellets or fibroblasts, was reported to be related to clinical phenotype by Sukegawa-Hayasaka et al. Measurement of residual plasma IDS activity using a fluorometric assay is simpler than conventional measurements using skin fibroblasts or peripheral blood mononuclear cells. This is the first study to describe the relationship between plasma IDS activity and clinical phenotype of MPS II. Methods: We hypothesized that residual plasma IDS activity is related to clinical phenotype. We classified 43 Hunter syndrome patients as having attenuated or severe disease types based on clinical characteristics,especially intellectual and cognitive status. There were 27 patients with the severe type and 16 with the attenuated type. Plasma IDS activity was measured by a fluorometric enzyme assay using 4-methylumbelliferyl-α-iduronate 2-sulphate. Results: Plasma IDS activity in patients with the severe type was significantly lower than that in patients with the attenuated type (P=0.006). The optimal cut-off value of plasma IDS activity for distinguishing the severe type from the attenuated type was 0.63 nmol·4 hr-1·mL-1. This value had 88.2% sensitivity, 65.4% specificity, and an area under receiver-operator characteristics (ROC) curve of 0.768 (ROC curve analysis; P=0.003). Conclusion: These results show that the mild phenotype may be related to residual lysosomal enzyme activity.
Risk assessment of cyclohexasiloxane D6 in cosmetic products
Ko Yeonju,Lim Donghyeon,Choi Hyunjoon,Choi Seongwon,Choi Shinai,Hong Jiyeon,Yoon Young A.,Chung Hyun,Lim Kyung-Min,Kim Kyu-Bong,Lee Joo Young,Kwack Seung Jun,Bae Ok-Nam 한국독성학회 2024 Toxicological Research Vol.40 No.3
Dodecamethylcyclohexasiloxane (D6) is a siloxane substance mainly used in cosmetics and personal care products. While octamethylcyclotetrasiloxane (D4) and decamethylcyclopentasiloxane (D5) were once commonly used in personal care products, their usage has been restricted due to the classification as persistent, bioaccumulative, and toxic (PBT)/very persistent and very bio-accumulative (vPvB) substances. While D6 has emerged as a substitute for D4 and D5, the risk assessment for D6 remains limited compared to the evaluations for D4 and D5. To address this gap, we conducted a comprehensive risk assessment of D6. In this study, we reviewed the toxicity information on D6 and calculated the exposure level to D6, considering the content of D6 in cosmetic products. No observed adverse effect level (NOAEL) of 1500 mg/kg bw/day was established in a repeated dose toxicity study after oral administration to rats. Negative results were found in tests on the ocular and skin irritation, skin sensitization, and genotoxicity of D6. According to the product content of up to 48% of D6 reported in 2012, the Systemic Exposure Dose (SED) was 5.4E-06 to 7.04 mg/kg bw/day for a 60 kg adult using the exposure factors from Korean cosmetic usage. The Margin of Safety was estimated to be between 35.5 and 4.63E+07, posing a potential health risk of D6 according to the maximum concentration and the product type. Further consideration of the potential of D6 as PBT or vPvB is also required.
Bae, Hye-Min,Cho, Ok-Sun,Kim, Shin-Jung,Im, Byung-Ok,Cho, Soon-Hyun,Lee, Se-Na,Kim, Myung-Gyou,Kim, Kyung-Tack,Leem, Kang-Hyun,Ko, Sung-Kwon The Korean Society of Ginseng 2012 Journal of Ginseng Research Vol.36 No.4
The berry of Panax ginseng significantly inhibited the histamine releases at the concentration of $30{\mu}g/mL$ (p<0.05) and $10{\mu}g/mL$ (p<0.01). The ginsenoside Re from ginseng berry was found out to have a potent effect in the experiment of histamin and cytokine release.
고경희 ( Ko Kyung-hee ),배주옥 ( Bae Ju-ok ) 한국무용연구학회 2019 한국무용연구 Vol.37 No.2
본 연구의 목적은 연산군시대에 연향된 처용무의 양식적 변용에 대해 탐색하는 것이며, 그 결과는 다음과 같다. 첫째로 연산군의 춤, 처용무는 기존의 무원(舞員)인 5서 1인, 2인의 소규모 또는 수십, 수백 명까지 동원되는 대규모의 군무 형태로 추어졌다. 둘째, 연산군 폐위 직전에 연기자가 무동에서 여기로 교체되어 춤동작도 여성성을 강조하는 변화를 가져왔다. 이는 중국 한·당시대의 초요경무와 같이 우아미와 곡선미를 강조한 미적 특성에서 알 수 있다. 또한, 처용의 탈도 여기가 사용하기 편리하도록 작고 가볍게 만들게 되었고, 탈 장식도 금과 옥을 사용하여 화려하게 변용되었다. 그러나 연산군의 과도한 위락활동으로 인해 이와 같은 처용무의 양식적 변화와 미적 특성이 ‘광기의 춤’으로 전락하여 그 의미와 가치도 퇴색되었다. 본 연구는 현 무용사에서 잘 밝혀지지 않은 연산군시대에 행해진 처용무의 양식적 변화로부터 예술적 변용과 가치를 밝히고, 현행되는 처용무에 대한 진지한 성찰의 단초를 마련하여 전통문화유산으로서 전승과 발전에 기여하고자 한다. This study examined the dance style transformation of ChyeoYongMu, which was the most performed in the YeonSanGun era, and the conclusions are summarized as followings. In the early of YeonSanGun era, ChyeoYongMu was performed by five and more up to several hundreds dancers. But, the dancers were changed from MuDong (boy dancer) to YeoGi (girl dancer) just before dethroned, and this also resulted in the change of aesthetical characteristics. This changed characteristics emphasized sense of feminine beauties through highlighting the elegance and curvaceousness like ChoYoGyeongMu in the era of Han and Dang dynasty of China. And more, mask of ChyeoYong was also modified to be light and small for YeoGi to play easily, and decorated with fancy gold and accessary. Despite of these progressive transformation, the ChyeoYongMu was to be the ‘Dance of Madness’ due to excessive entertainment activities of YeonSanGun. The researchers expect that this study would be the earnest examination and clue for transmission and further development, and finally broaden the horizon of the ChyeoYongMu as a practical art.