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성숙시기별 블랙라즈베리 추출물의 항산화 활성 및 콜레스테롤 개선 효과
채규서,이수정,김성웅,조성욱,권지웅,김용석 한국식품저장유통학회 2020 한국식품저장유통학회지 Vol.27 No.3
This study was carried out to investigate the improvements in antioxidant activities and cholesterol secretion inhibiting abilities upon the maturation of black raspberry (Rubus occidentalis, collected from May to June) for determining the suitability of black raspberry extracts for use as functional food materials. During the maturation process, the black raspberry samples were extracted by water using the reflux extraction method. The antioxidant activities of the resulting water extracts were determined in terms of the reducing power and ferric reducing antioxidant power (FRAP) and it was found that these values were higher for the unripe black raspberry sample. The cholesterol secretion inhibition activities of the extracts were then examined in HepH2 cell, while the hydroxymethylglutaryl-coenzyme A (HMG-CoA) reductase activity and cell viability were measured in HepG2 cell. In addition, cholesterol secretion was inhibited of unripe black raspberry in HepG2 cell. Furthermore, HMG-CoA reductase activity of the unripe black raspberry extract was found to be superior to those of the other extracts. These results, therefore, indicated that the antioxidant activity and cholesterol secretion inhibiting ability of black raspberry were reduced during maturation and thus the water extract of unripe black raspberry could be suitable for application in functional foods and medicial materials.
3년근 도라지와 7년근 도라지의 이화학 특성 및 생리활성
채규서,백미선,류은혜,김기덕,권지웅 한국식품과학회 2018 한국식품과학회지 Vol.50 No.6
This study was designed to evaluate the physicochemical properties and biological activities (antioxidant activity and antimicrobial activities) of three and seven-year-old Platycodon grandiflorum extracts. Three and seven-year-old Platycodon grandiflorum contained crude saponins, free amino acids and minerals. Water extracts of the three and sevenyear- old plants were prepared using reflux extraction methods. The total polyphenol contents (TPC), total flavonoid contents (TFC), 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) radical scavenging activity and antimicrobial effects of the extracts were determined. The seven-year-old Platycodon grandiflorum extract had higher TPC (5.08±0.07 TAE mg/g) and TFC (3.80±0.07 QUE mg/g). DPPH radical scavenging activity (IC50 value: 288±3.88 μg/mL) and ABTS radical scavenging activity (IC50 value: 568±2.09 μg/mL). The three and seven-year-old Platycodon grandiflorum extracts exhibited a strong antimicrobial effect against three kinds of bronchus disease-inducing bacteria; the seven-year-old Platycodon grandiflorum extracts showed a stronger antimicrobial effect than the three-year-old Platycodon grandiflorum extracts.
채규서,류은혜,김기덕,김용석,권지웅 한국식품과학회 2019 한국식품과학회지 Vol.51 No.5
Phenolic compounds and antioxidant activities of ethanol extracts from barley sprouts were evaluated in this study. Barley sprouts were extracted using water and ethanol in various concentration (25, 50, and 75%) using reflux extraction methods. Ultra performance liquid chromatography (UPLC) analysis showed that barley sprouts are mainly composed of rutin, gallic acid, ferulic acid, and p-coumaric acid. The 75% ethanol extracts had higher total polyphenol contents (44.01±1.32 mg/g) and total flavonoid contents (102.96±2.49 mg/g). 2,2-diphenyl-1-picrylhydrazyl radical scavenging activity (EC50 value: 1.65±0.02 mg/mL) and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt radical scavenging activity (EC50 value: 1.67±0.02 mg/mL) of the 75% ethanol extracts of barley sprouts were found to be the most effective. The 75% ethanol extracts of barley sprouts exhibited a strong reducing activity and ferric reducing antioxidant activity. As a result, the 75% ethanol extracts of barley sprouts showed stronger antioxidant activity than other extracts.
채규만(Kue Man Chae) 개혁주의이론실천학회 2019 개혁주의 이론과 실천 Vol.- No.15
보수심리는 무엇이고 왜 분열하고 그에 대한 대안은 무엇인가에 대한 결론적인 제안은 보수 통합을 위해서 지연, 학연, 종교이념, 또는 각종의 사상으로 모여서 집단의 이익을 반영하려는 보수는 출발부터 실패를 가져올 것이다. 기독교는 보수주의도 진보주의도 아닌 하나님 중심의 진리주의이고, 공의를 이 땅에서 추구하고, 이것을 이루는 과정은 예수님의 십자가 은혜의 프로세스라고 주장하고 싶다. The concluding suggestion of what conservative psychology is and why it is divided and what is the alternative is that the conservative tendency to integrate the interests of the group, gathered in delays, studies, religious ideas, will be. Christianity is not a conservatism nor a liberalism, but a God-centered truth. I want to argue that the process of pursuing justice on this earth is the process of Jesus cross grace.
성 폭력 피해자의 심리적 접근 : 피해아동과 성인을 중심으로
채규만 한국인간발달학회 1996 人間發達硏究 Vol.- No.3
여성을 상대로 한 성폭력 피해자에 대한 보고와 그에 대한 후유증이 표면화되면서 이 분야에 전문적인 치료와 관심이 한국사회에서도 점차 높아지고 있다. 본 연구에서는 성폭력 피해자들에 대한 치료의 이론적인 배경에 대해 조명해보고 성폭력 피해자가 심리 치료에 접했을 때 일반적으로 거치는 치료의 단계를 제시하고 성폭력 피해자를 위한 성인 여성 및 아동을 위한 개인, 집단상담을 통한 심리치료의 방법을 제시하고자 한다.
蔡奎仁,崔定植,金永斗 韓國作物學會 1991 한국작물학회지 Vol.36 No.2
동아(Benincasa hispida(Thunb) Cogn)와 달개비 (Commelina communis L.)의 종자, 잎 및 줄기등을 공시재료로 하여 몇가지 효소에 대한 전기영동적 특성을 비교한 결과는 다음과 같다 1. Esterase isozyme의 pattern은 band수나 Rf값에서 현저한 차이를 나타냈으며 동아의 육질에서는 단 1개의 band가 출현하였다. 2. Peroxidase isozyme은 동아의 육질에서 4개의 band가 출현하였으나, 달개비의 줄기에서는 band 가 전혀 없었다. 3. Amylase isozyme의 전기영동대는 동아의 종자 및 육질에서만 각각 1개씩 뚜렷한 band를 나타냈다. A electrophoretic study on seveal important enzymes was conducted with seed, leaf and stem of Benincasa hipida (Thunb) Cogn and Commelina communis L. Isozyme patterns of esterase were different from the parts and fruit of wax gourd appeared only one band. In the peroxidase isozyme, fruit of wax gourd appeared four bands, but stem of common dayflower no appeared. In the amylase isozyme, seed and fruit of 'gourd were appeared clearly one band, respectively.