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개망초 추출 분말의 In Vitro에서의 항산화 특성과 고지방식이로 유도된 Mice의 혈청지질 수준에 미치는 영향
김용환,최경순,Kim, Yong-Hwan,Choi, Kyung-Soon 한국식품영양학회 2015 韓國食品營養學會誌 Vol.28 No.3
This study was conducted to verify the effects of Erigeron annuus powder on serum lipid levels of high-fat diet-induced mice from a nutritional viewpoint. Erigeron annuus powder has been used as a folk remedy since ancient times in Korea. There was no significant difference in the weight of the kidneys and spleens of the mice. The high-fat diet group had a significantly higher kidney weight compared to other groups (p<0.05). In the group of mice fed 20% Erigeron annuus powder with a high-fat diet, the concentration of serum LDL-cholesterol was high (p<0.05), whereas the concentration of triglyceride was remarkably lower compared to other groups (p<0.05). The group fed 10% Erigeron annuus with a high-fat diet had the lowest concentration of blood phospholipids (p<0.05) as well as the highest alkaline phosphatase and alanine aminotransferase levels in blood (p<0.05). There was no difference in blood insulin concentration. However, blood leptin concentration was significantly higher ($5.88{\pm}3.53ng/dL$) in mice fed a high-fat diet compared to other groups (p<0.05). Measurements of Erigeron annuus revealed that TPC, $ABTS^+$ radical scavenging activity of trolox, DPPH radical scavenging activity, and the measured value of FRAP were higher in the ethanol extract than in the water extract. Especially, the antioxidant activity effects were excellent for the $ABTS^+$ radical scavenging activities of trolox and FRAP values of Erigeron annuus. Therefore, Erigeron annuus powder showed antioxidant activity. Hence, Erigeron annuus powder drastically lessened triglyceride concentration in blood in high-fat diet-induced mice. Thus, the powder is considered to have utility in the food processing industry. Additional related experiments are ongoing.
소비자 의사결정 여정이 검색광고 효과에 미치는 영향: 검색어의 구체성과 메시지 적합성을 중심으로
김용환,강윤희,부수현 한국광고학회 2022 광고학연구 Vol.33 No.4
Consumer decision-making seems to be made in a moment, but it is a simple result of a dynamic information search process and a complex process of comparing and evaluating various alternatives. Even the decision-making process is not always sequential and continuous. Based on these arguments, a model has assumed that conceptualized consumer decision-making as a journey. Specifically, participants in the 'initial consideration' condition used comprehensive search keywords at the highest rate, and participants in the 'moment of purchase' condition used the brand (focused) search keywords at the highest rate. the amount of search keywords used varies according to the consumer journey. During the 15 minutes given for information search, the participants in the ‘moment of purchase’ condition used fewer search terms than the participants in the ‘initial consideration’ and ‘active evaluation’ conditions. Next, Experiment 2 verified the fit of advertising messages according to the consumer journey. As a result of the experiment, the message emphasizing feasibility was more effective than the message emphasizing desirability shortly condition, and the difference according to the advertisement message in the 'far future' condition was not statistically significant.