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저자명
김금숙,박춘근,이경희,최재훈,이승은,노형준,이정훈,김승유,Kim. Geum-Soog,Park. Chun-Geun,Lee. Kyeong-Hee,Choi. Jehun,Lee. Seung-Eun,Noh. Hyung-Jun,Lee. Je
간행물명
韓國藥用作物學會誌
권/호정보
2011년|19권 6호|pp.435-440 (6 pages)
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한국약용작물학회
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기타언어초록

This study was conducted to evaluate the quality variation of Lithospermum radix on the pigment contents and antioxidant activities according to different growth stages and areas of cultivation. Acetylshikonin contents showed the tendency to decrease gradually from the middle of July (0.28%) to the end of August (0.05%) and then the content was increased again to the end of October (0.25%). Shikonin content was detected as small amount of about 0.009% during the period. The weight of plants was increased from the end of September to the end of October and showed the highest value as 19.8 g on October 25. ROS scavenging activity was the highest in the early of October as $IC_{50}$ value of 0.11 ${mu}g/mL$. Lithospermum radix of September showed lower ROS scavenging activities than those of other growth stages as $IC_{50}$ value of 1.02 and 0.49 ${mu}g/mL$ on September 9 and September 27, respectively. Among 17 areas cultivated Lithospermum radix, 10 areas (59%) showed 0.05-0.10% of acetylshikonin contents and 3 areas (18%) were measured to contain 0.16-0.26% of acetylshikonin.