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자료유형
학술저널
저자정보
Lee, Ju-Gyeong (Research Institute of Pharmaceutical Sciences, College of Pharmacy, Kyungpook National University) Moon, Sung-Ok (Korea Promotion Institute for Traditional Medicine Industry [KOTMIN]) Kim, Se-Yong (Research Institute of Pharmaceutical Sciences, College of Pharmacy, Kyungpook National University) Yang, Eun-Ju (Research Institute of Pharmaceutical Sciences, College of Pharmacy, Kyungpook National University) Min, Ju-Sik (Research Institute of Pharmaceutical Sciences, College of Pharmacy, Kyungpook National University) An, Ju-Hee (Research Institute of Pharmaceutical Sciences, College of Pharmacy, Kyungpook National University) Choi, Eun-A (Research Institute of Pharmaceutical Sciences, College of Pharmacy, Kyungpook National University) Liu, Kwang-Hyeon (Research Institute of Pharmaceutical Sciences, College of Pharmacy, Kyungpook National University) Park, Eun Ji (Research Institute of Pharmaceutical Sciences, College of Pharmacy, Kyungpook National University) Lee, Hwa-Dong (Korea Promotion Institute for Traditional Medicine Industry [KOTMIN]) Song, Kyung-Sik (Research Institute of Pharmaceutical Sciences, College of)
저널정보
한국응용생명화학회 Applied Biological Chemistry Applied Biological Chemistry 제58권 제3호
발행연도
2015.1
수록면
409 - 413 (5page)

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Gastrodin is a major biologically active ingredient in members of the genus Gastrodia. For this reason, there are many reports on the quantification of gastrodin in Gastrodiae Rhizoma (GR) and in GR-containing herbal preparations. HPLC, HPLC-MS, and TLC are the major approaches for gastrodin quantification; however, they usually require complicated pre-treatment, lengthy analysis, and expensive instruments. Therefore, a rapid and reliable method for determining gastrodin in GR is necessary. Optimal HPLC separation was achieved using a Chromolith Performance RP-18e ($4.8{\times}100mm$, $5{\mu}m$) stationary phase. The optimal mobile phase was a mixture of water (A) and acetonitrile (B) with a gradient of 1 % B at 0-8 min, 20 % B at 8-10 min, 80-100 % B at 10-12 min, and 100 % B at 12-13 min, followed by equilibration with 1 % B for 2 min at a flow rate of 1.5 mL/min. The detection wavelength was UV220 nm. Gastrodin appeared within 4 min under the above conditions. The calibration curve of gastrodin showed good linearity in the 0.25-10.0 range ($r^2=0.9998$). The limit of detection ($0.13{\mu}g$), limit of quantification ($0.25{\mu}g$), and reproducibilities of area and retention time (0.04 and 3.24 %, respectively) were within acceptable ranges. In addition, the intra-day precision and accuracy of gastrodin were 0.74 and $100.63{\pm}0.04%$, respectively, while the inter-day precision and accuracy were 0.06 and $99.25{\pm}0.05%$, respectively. The range of mean gastrodin content in six GR samples, which were cultivated at different sites, was 0.37-0.79 %. This result may be a guideline for the quality control of GR and GR-containing medicinal preparations.

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