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폴리페놀 함량이 높은 Hylotelephium erythrosticum 추출물의 항산화 및 항염 활성
김상숙,박경진,이승은,이정훈,최영훈,Kim, Sang Suk,Park, Kyung Jin,Lee, Seung Eun,Lee, Jeong Hoon,Choi, Young Hun 한국식품저장유통학회 2017 한국식품저장유통학회지 Vol.24 No.6
피부병 치료에 사용되던 꿩의비름 추출물을 항산화 및 항염 효능을 지니는 천연물 소재로 활용하기 위해 꿩의비름의 뿌리(HER), 잎(HEL), 줄기(HEB), 지상부(HEAG) 추출물에 대해 항산화 활성을 측정한 결과 지상부 추출물인 HEAG에서 DPPH, ABTS, superoxide anion radical 소거 활성이 가장 우수하였으며, FRAP 활성 역시 HEAG에서 가장 우수하였다. 항산화 활성이 가장 우수한 HEAG의 총 폴리페놀 함량을 측정한 결과 $235.5{\pm}18.96mg/g$ gallic acid equivalent로 항산화 및 항염 활성을 갖는 것으로 알려진 페놀성 화합물을 다량 함유하고 있는 것을 확인할 수 있었다. 또한 마우스 대식세포인 RAW264.7 세포를 이용하여 항염 활성에서는 NO의 생성을 억제하였으며 염증성 사이토카인인 $IL-1{\beta}$의 생성 억제 화성이 가장 높았다. 꿩의비름 추출물은 항산화 및 항염 활성의 천연물 소재로 활용이 가능할 것으로 여겨진다. Hylotelephium erythrostictum is commonly used as a medicinal herb. In this study, H. erythrostictum leaf (HEL), branch (HEB), root (HER), and above ground (HEAG) extracts were evaluated for their antioxidant properties. The antioxidant activities were assayed by three methods based on scavenging of DPPH, ABTS and superoxide anion radical. HEAG extract showed the highest DPPH, ABTS, superoxide anion radical scavenging activities. HEAG extract also exhibited the highest phenolic content (230 mg/g gallic acid equivalent). In our research for anti-inflammatory ingredients, the extract of HEAG inhibited the generation of nitric oxide (NO) in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophage cells. To test the inhibitory effects of HEAG on pro-inflammatory cytokines, we conducted ELISA assay for the measuring the generation of tumor necrosis factor $(TNF)-{\alpha}$, IL (interleukin)-$1{\beta}$, and IL(interleukin)-6 in LPS-stimulated RAW264.7 macrophage cells. In these assays, HEAG ethanol extract showed a dose-dependent decrease in the production of $TNF-{\alpha}$, $IL-1{\beta}$, and IL-6. Based on these results, extract of HEAG could be the efficient candidate for anti-inflammatory agents.
한국전쟁 전 대구경북지역의 민간인학살사건의 실태와 특징 -제4대국회『양민학살사건진상조사보고서』의 기록을 중심으로
김상숙 ( Sang Suk Kim ) 대구사학회 2011 대구사학 Vol.102 No.-
When the Daegu October Uprising of 1946 erupted, the U.S. military government in Korea responded with suppression, which led to the rise of partisan guerrillas. As the police and army subdued the guerrillas, the situation deteriorated to the point that it resembled a regional civil war. During this process, not only ex-prisoners from the Daegu October Uprising, but also communist sympathizers, their families, and innocent local residents were executed by the South Korean police and army without trials. According to reports from the 4th National Assembly, the Truth and Reconciliation Commission, and other sources, around 15,000 civilians were massacred by the police and army in the Daegu-Gyeongbuk region during 1945-1953. The 4th National Assembly Report contains statements regarding 5,082 victims. Among them, 1,665 victims were massacred before the Korean War. Most of them were residents of the eastern Gyeongbuk region near the area of the Taebaek Mountains, and were massacred at 1949 - when the police and army launched full scale search and destroy operations. Although a majority of the victims were males in their 20s and 30s, the ratio of victims who were female, elderly, and children was higher than that of the Korean War. Before the Korean War, major massacres occurred in the Daegu-Gyeongbuk region, as well as in Neung Valley in Wolseong, Naenam Township in Wolseong, Mountain in Jogok Yeongchon, Buchae Valley in Dalseong, Byerang Valley in Chilgok, Wonjeon Valley in Yeongdeok, and Seokdal Village in Mungyeong. These were typical examples of civilian massacre incidents with the number of victims varying from twenty to eighty.