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충북산 산채 4종(배암차즈기, 일당귀, 명월초 및 삼백초)의 영양성분 및 생리활성
엄현주,정유영,권누리,김기현,연은솔,윤향식,류용재,김인재,Eom, Hyun-Ju,Jeong, Yu Yeong,Kwon, Nu Ri,Kim, Ki Hyun,Yeon, Eunsol,Yoon, Hyang-Sik,Ryu, Yong-jae,Kim, In Jae 한국식품영양학회 2021 韓國食品營養學會誌 Vol.34 No.4
This study investigated on the nutritional components and physiological activity of four wild vegetables namely Salvia plebeia R. Br., Angelica acutiloba, Gynura procumbens and Saururus chinensis Baill for the development of representative wild vegetables in Chungbuk. Salvia plebeia possessed the highest radical scavenging activity and beta-carotene, but exhibited the lowest α-glucosidase inhibitory activity compared to the other three vegetables. Angelica acutiloba showed high crude protein content and α-glucosidase inhibitory activity, but contained low total polyphenol content, radical scavenging ability and beta-carotene compared to the other three vegetables. Gynura procumbens showed high mineral content, beta-carotene, vitamin K1 content and α-glucosidase inhibitory activity, but showed the lowest total polyphenol content and radical scavenging ability compared to the other three vegetables. Saururus chinensis showed high crude fiber content and total polyphenol content, but contained the lowest mineral and vitamin K1 content. To conclude, it is suggested to use Salvia plebeia or Saururus chinensis as antioxidant food materials and Angelica acutiloba and Gynura procumbens as food materials and sources of α-glucosidase inhibitors. In particular, it is believed that Saururus chinensis, which possessed high content of crude fiber, is suitable for low-calorie food materials such as diet products.
엄현주,권누리,정유영,윤향식,김인재,Eom, Hyun-Ju,Kwon, Nu Ri,Jeong, Yoo Young,Yoon, Hyang-Sik,Kim, In Jae 한국식품영양학회 2020 韓國食品營養學會誌 Vol.33 No.5
In this study, to develop balloon flower (Platycodon grandiflorum) leaves, which are not used as tea, a method of making green tea was referred to, and several physiological activities were analyzed using the balloon flower leaf tea with different times of roasting and rubbing. The highest total polyphenol and tannin contents were 33.02 mg GAE/g and 5.03 mg/g at two times of roasting and one time of rubbing, respectively. In the case of the total flavonoids, the RO3 + RU2, subjected to three times of roasting and two times of rubbing, showed the highest value, whereas there was no significant difference between the control and the other samples. Except for the green tea as a control, the RO2 + RU1 samples reported the highest antioxidant activity whereas it decreased with increasing number of times of roasting and rubbing. The color, lightness, and yellowness tended to decrease slightly as the number of increasing roasting and rubbing among the samples with no significant difference. All of these things together, to develop tea using the balloon flower leaves would be suitable with two times of roasting and one time of rubbing.
A modified method for inducing periodontitis in dogs using a silk-wire twisted ligature
김세은,Eui Ri Lee,Yesran Lee,정만복,박영우,Jae Sang Ahn,Jeong Taek Ahn,서강문 대한수의학회 2012 JOURNAL OF VETERINARY SCIENCE Vol.13 No.2
This study was designed to assess the effectiveness of a modified silk ligature twisted with wire for inducing advanced periodontitis. Periodontitis was induced in five premolars and one molar of 20 healthy dogs over a 60-day period. The dogs were divided into four groups according to the ligatureinducing materials used: soft moistened food only, wire ligature (WL), silk ligature (SL) and twisted ligature with silk and wire (SWL). Periodontal indices were recorded, and dental radiographs were taken before and after 60 days of ligation. The ligatures were checked daily and the day the ligature fell out was noted. The period during which the ligatures were maintained was significantly shorter for the SL group compared to the SWL group (p < 0.05). Results of the clinical examination showed that almost all periodontal status parameters including the plaque index, gingival index, clinical attachment level, and bleeding on probing were significantly exacerbated in the SWL group compared to the other groups (p < 0.05). Radiographic evaluation demonstrated that alveolar bone levels were significantly lower in the SWL group than the other groups on day 60 (p < 0.05). These results suggested that experimental periodontitis induced by SWL could be an effective method for investigating periodontitis in canine models.
재난적 의료비 발생의 관련 요인 분석: 가구 내 노인 여부를 중심으로
구준혁 ( Jun Hyuk Koo ),정재연 ( Jae Yeon Jeong ),이우리 ( Woo-ri Lee ),유기봉 ( Ki-bong Yoo ) 한국보건행정학회 2020 보건행정학회지 Vol.30 No.4
Background: The purpose of this study is to explain the factors influencing the incurrence of catastrophic health expenditure of national health insurance households using panel data observed over a long period. Methods: The study targeted 3,652 households who had no censoring during the 11-year survey period (2007-2017) and householders whose insurance type was consistently maintained as national health insurance. Generalized estimating equations were adopted to identify factors affecting the occurrence of catastrophic health expenditure at 20%, 30%, and 40% threshold levels. A subgroup analysis was conducted by categorizing groups depending on the existence of the elderly in the household. Results: For the last 11 years, the incidence of catastrophic health expenditure in the households without the elderly decreased slightly at all threshold levels, but the households with the elderly seemed to be increased. At baseline, household type showed a statistically significant relationship with all other variables. The results of generalized estimating equations analyses show that household income was not significant at all threshold levels in the households without elderly. On the other hand, in the households with the elderly, the 2nd (odds ratio [OR], 1.33-2.05) and 3rd quintile groups (OR, 1.25-2.55) were more likely to have catastrophic health expenditure compared to the 1st quintile of household income group. Conclusion: As the amount of health expenditures relative to the ability to pay is increasing in households with the elderly, the application of an intervention followed by consistent monitoring is needed. This study found that there were differences in influencing factors according to the presence of the elderly in the households. In particular, in households with the elderly, interesting results have been drawn regarding the occurrence of catastrophic health expenditure in the near-poor, so additional research is required.
열전도성 점착제 응용을 위한 고분자 기반 탄소나노소재 복합체 제조 및 특성 평가
이병주(Byeong-Joo Lee),조성일(Sung-Il Jo),윤은혜(Eun-Hye Yoon),이애리(Ae-Ri Lee),이우영(Woo-Young Lee),허성규(Sung-Gyu Heo),황재성(Jae-Sung Hwang),정구환(Goo-Hwan Jeong) 한국표면공학회 2020 한국표면공학회지 Vol.53 No.4
A polymer-based carbon nanomaterial composite was fabricated and characterized for the application of a thermal conductive adhesive. Low-dimensional carbon nanomaterials with excellent thermal conductivity such as carbon nanotube (CNT) and graphene were selected as a filler in the composite. Thermal, electrical and adhesive properties of the composite were investigated with respect to the morphology and content of the low-dimensional carbon nanomaterials. As a result, the composite-based adhesive fabricated by the loading of surface-treated MWCNTs of 0.4 wt% showed uniform dispersion, moderate adhesion and effective heat dissipation properties. Finally, it was confirmed through the thermal image analysis of LED module that the temperature reduction of 10°C was achieved using the fabricated composite adhesive with MWCNT-6A. Expecially, heat dissipation performance of the optimized composite adhesive was evident at the hot spot in the module compared to other samples mixed with graphene or different MWCNT loading ratios.
악성 위험지수 (Risk of Malignancy Index) 1을 이용한 골반내 종양의 분석
박정우 ( Jung Woo Park ),황성욱 ( Sung Ook Hwang ),박지현 ( Jee Hyun Park ),이병익 ( Byoung Ick Lee ),이정훈 ( Jeong Hoon Lee ),김기원 ( Ki Won Kim ),김경미 ( Kyoung Mi Kim ),정민재 ( Min Jae Jung ),윤내리 ( Nae Ri Yun ),송은섭 ( 대한폐경학회 2013 대한폐경학회지 Vol.19 No.1
Objectives: To assess the ability of risk of malignancy index (RMI) 1 to discriminate between benign and malignant pelvic masses. Methods: Between January 2007 and December 2010, 547 women with pelvic masses were evaluated. Their medical records are reviewed here retrospectively. The sensitivity, specificity and positive and negative predictive values of the cancer antigen (CA) 125 level, ultrasound findings and menopausal status in the prediction of malignant pelvic masses were calculated and compared individually or combined using the RMI 1. Results: The receiver operating characteristic (ROC) curves of CA 125, the ultrasound score and the RMI 1 were all found to be relevant predictors of malignancy. ROC analysis of the RMI 1, CA 125 serum levels, ultrasound score and menopausal status showed areas under the curves of 0.795, 0.782, 0.784 and 0.594, respectively. The RMI 1 was found to be statistically significantly correlated with menopausal status (P = 0.001), while not statistically significantly correlated with CA 125 (P = 0.628) or the ultrasound score (P = 0.541). The RMI 1 at a cut-off of 150 - with a sensitivity of 77.9%, specificity of 81.1%, positive predictive value of 51.7% and negative predictive value of 93.4% - showed the highest performance in determining the malignant tendency of pelvic masses. Conclusion: Accepting a RMI 1 cut-off value of 150 results in statistically more significant diagnostic criteria than menopausal status for the discrimination of benign and malignant pelvic masses. (J Korean Soc Menopause 2013;19:18-25)
발아기간에 따른 벼(Oryza sativa L.)의 화학성분 변화
김현영(Hyun Young Kim),황인국(In Guk Hwang),김태명(Tae Myoung Kim),박동식(Dong Sik Park),김재현(Jae Hyun Kim),김대중(Dae Joong Kim),이연리(Youn Ri Lee),이준수(Junsoo Lee),정헌상(Heon Sang Jeong) 한국식품영양과학회 2011 한국식품영양과학회지 Vol.40 No.9
본 연구에서는 벼의 적당한 발아기간을 선정하기 위하여 발아기간에 따른 다양한 성분변화를 살펴보았다. 조단백질은 발아 0일차의 71.67mg/g에서 발아 8일차에는 85.20mg/g으로, 조지방은 2.19%에서 3.58%로 발아기간이 증가할수록 증가하였으나(p<0.05) 조회분은 큰 차이를 보이지 않았다. Phytic acid는 발아가 진행됨에 따라서 6.25mg/g(0일차) 에서 1.54mg/g(8일차)으로 많은 감소를 보였으며(p<0.05), 유리지방산은 0.17%에서 0.32%로 증가하였다. 발아 벼의 지방산은 oleic acid(C18:1)가 가장 많았으며, 발아기간의 증가에 따라 약간의 감소를 보였으나 유의차는 없었다(p>0.05). 비타민 E와 γ-oryzanol은 발아 0일차에 각각 2.94 mg/100 g 및 6.47 mg/g에서 발아 4일차에 5.55 mg/100 g 및 8.16 mg/g으로 증가하였다가 그 이후에는 감소하였다. 본 연구 결과 기능성성분 함량을 높이기 위해서는 3~4일 간의 발아가 적당한 것으로 판단되며, 다양한 생리활성에 대한 추가적인 연구가 필요하리라 판단된다. We evaluated changes in the chemical composition of rough rice (Oryza sativa L.) according to germination period. Rough rice was germinated at 37℃ for 8 days. Crude protein content increased from 71.67 mg/g in raw rough rice to 85.20 mg/g after 8 days of germination. Crude lipid content increased from 2.19% to 3.58% (p<0.05), whereas crude ash was not significantly changed. Phytic acid content decreased from 6.25 mg/g in raw rough rice to 1.54 mg/g after 8 days of germination. Free fatty acid content increased from 0.17% to 0.32% during 8 days of germination. Major fatty acids were palmitic, oleic, and linoleic acids, and total fatty acid content increased up to 95%. Vitamin E and γ-oryzanol contents in raw rough rice were 2.94 mg/100 g and 6.47 mg/g, respectively, increased to 5.55 mg/100 g and 8.16 mg/g after 4 days of germination, and then decreased afterward. These results indicate that the optimum germination period of rough rice for increasing functional components may be 3~4 days.