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권우영(Woo-Young Kwon),이은경(Eun-Kyoung Lee),윤진아(Jin-A Yoon),정강현(Kang-Hyun Chung),이권재(Kwon-Jai Lee),송병춘(Byeong Chun Song),안정희(Jeung Hee An) 한국식품영양과학회 2014 한국식품영양과학회지 Vol.43 No.7
We investigated the characteristics and biological activities of vinegars added with different levels (0%, 0.5%, 1%, 2%, and 3%) of young leaves of Akebia quinata. During alcohol fermentation, alcohol and total acidity contents of vinegars increased. During acid fermentation, total acidity and amino acid contents increased. Vinegar added with 3% A. quinata leaf showed the highest total sensory score. The contents of total polyphenols, flavonoids, and tannin significantly increased during fermentation according to the amount of A. quinata leaf. After 22 days of fermentation, total polyphenol, total flavonoid, and tannin contents of vinegar added with 3% A. quinata were 4,079.08 mg GAE/100 g, 2,927.08 mg CE/100 g, and 3,618.00 mg TAE/100 g, respectively. ABTS radical scavenging activity of vinegar added with 3% A. quinata was 79.63%. Anti-cancer activities of vinegar added with 3% A. quinata were 48.65% and 52.90% against MCF-7 and HepG2 cells, respectively. Vinegar added with 3% A. quinata showed anti-bacterial activities against Bacillus cereus, Shigella flexneri, Salmonella enterica, Bacillus subtilis, and Klebsiella pneumoniae. Our results demonstrate that the biological activities of vinegar added with 3% A. quinata leaf (22 days of fermentation) were excellent, and their enhanced total polyphenol, flavonoid, and tannin contents were associated with antioxidant, anti-cancer and anti-microbial activities. Thus, A. quinata can be used as a functional material in vinegar and other foods.
여성 고객의 라이프스타일에 따른 외모관리 동기와 퍼머넌트 메이크업 행동 연구
권우영 ( Woo Young Kwon ),박옥련 ( Ok Lyun Park ) 대한미용학회 2012 대한미용학회지 Vol.8 No.3
This study investigated types of female lifestyle, appearance management motives and permanent makeup behaviors. For an empirical analysis of the purpose of the study, a questionnaire survey was conducted with women in their 20~40 s, who are the most common users for permanent makeup. According to analysis on appearance management motives after sorting lifestyle factors by type, ``changes in charm`` was the highest among the factors of appearance management motives in active social activity groups. It was found that the conservative rationality-oriented group is reluctant to change its daily routine. They were also less interested in conservative beauty with a low need for appearance management. In permanent makeup behavior by lifestyle group, the convenience of permanent makeup was the highest factor even though some differences were observed by group, followed by psychological dependence and economic efficiency. When it comes to the effect of appearance management motives on permanent makeup behavior by lifestyle group, high appearance-management motives had an impact on the convenience of permanent makeup in the socially active group. In the social trend-oriented group, the use of permanent makeup had factors of psychological dependence when social achievement-oriented appearance management motives were high. It was found that permanent makeup has emerged as a new type of appearance management behavior.
괴상형 간세포암 동시 간동맥 항암-방사선요법으로 부분관해 획득 후 근치적 간절제술을 시행한 간세포암
권지숙 ( Jee Suk Kwon ),박우영 ( Woo Young Park ),이경인 ( Kyung In Lee ),이정은 ( Jeong Eun Lee ),김은수 ( Eun Soo Kim ),장병국 ( Byoung Kuk Jang ),정우진 ( Woo Jin Chung ),박경식 ( Kyung Sik Park ),조광범 ( Kwang Bum Cho ),황재 대한간암학회 2009 대한간암학회지 Vol.9 No.-
Advanced hepatocellular carcinoma (HCC) with portal vein thrombosis is not suitable candidates for surgical treatment at the most of diagnosis because of poor liver function, extensive tumor involvement of the liver, vascular involvement, and/or intra/extrahepatic metastasis. We attempted localized concurrent chemo-radiation therapy (CCRT) in patients having locally advanced HCC with left and main portal vein thrombosis. We report a case of locally advanced HCC patient who became surgically resectable by downstaging after localized CCRT. Localized CCRT was performed with a total radiation dose of 5,040 cGy (180 cGy×28 times) and hepatic arterial infusion of 5-fluorouracil (5-FU, 250 mg/day) and cisplatin (10 mg/day) for 5 days via implantable port system during the second and the fifth weeks of the radiotherapy. Marked contraction of HCC was noted on follow up computerized tomography (CT) after localized CCRT, and subsequently surgical resection with curative aim was performed. He was gave a additional transcatheter arterial chemoembolization (TACE) because follow up CT revealed intrahepatic metastasis at subcapsular portion of right hepatic lobe after 3 months of operation. The patient is in complete remission status without recurrence to date.
리그닌 분해균 Coriolus versicolor CV3에 의한 Laccase의 생산
권순환,윤민호,최우영,Kwon, Soon Kyung,Yoon, Min Ho,Choi, Woo Young Institute of Agricultural Science 1991 Korean Journal of Agricultural Science Vol.18 No.2
백색 부후균 Coriolus versicolor CV3 균주를 공시하여 laccase 생성을 위한 배양 조건을 검토하였다. 감자, 양파 또는 맥아의 추출물을 주재로 한 각종 백색 부후균용의 배지를 비교한 결과, 공시 균주의 laccase 생성은 potato-malt extract 배지에서 가장 높아서 배양 11일 후 배양액당 $1.50unit/m{\ell}$, 균체 건물 중당 119.5 unit/g 수준의 laccase 활성도에 도달하였다. potato-malt extract 배지에 각종 유기 및 무기 질소원 중 yeast extract 또는 $KNO_3$를 0.2% 첨가하였을때 laccase의 생성 수준이 높았으며, inducer로서 2.5-xylidine을 $4{\times}10^{-4}M$ 첨가한 경우 대조구에 비하여 3.1배 수준으로 laccase 생성이 유도 되었다. Laccase 생성을 위한 배양 최적 pH는 4~4.5 이었다. The cultural conditions in shake flasks were investigated under which maximum amounts of laccase produced by a strain of white-rot fungus Coriolus versicolor CV3. The enzyme yields on potato-malt extract medium by the fungus were higher than on other media consisted of onion infusion or malt extract, with maximum activity of $1.50unit/m{\ell}$ culture or 119.5 unit/g mycelium at 11 days of incubation. Maximum yields of laccase and growth were obtained by supplementation of yeast extract or potassium nitrate to the potato-malt extract medium. Addition of 2.5-xylidine at $4{\times}10^{-4}M$ concentration to the medium induced the laccase production 3.1-fold higher than the basal level, while the mycelial growth was somewhat repressed. The pH optimum for the growth and laccase formation by the fungus was between pH 4 to 4.5.