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KMID : 1098420160240010047
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Korean Journal of Medicinal Crop Science
2016 Volume.24 No. 1 p.47 ~ p.54
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Evaluation on Extraction Conditions and HPLC Analysis Method for Ginsenosides in Panax ginseng
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Lee Kyeong-Hee
Lee Dae-Young
Lee Seung-Eun
Nam Ki-Yeul
Hwang Kuang-Bo
Kim Hyung-Don
Lee Jeong-Hoon
Choi Je-Hun
Ahn Young-Sup
Kim Seung-Yu
Kim Geum-Soog
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Abstract
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Background : A new extraction method-heated ultrasonic extraction was qualitatively and quantitatively analyzed for the extraction of major ginsenosides from ginseng extract; this new high-performance liquid chromatography (HPLC) method was compared with the official extraction method of Korean industrial standards and standard for health functional food.
Methods and Results : Ginsenoside compounds were analyzed for 35 minutes by the new HPLC analysis method using a Halo® RP-Amide column. The new HPLC analysis method was validated by the measurement of intra-day and inter-day precision, accuracy, limit of detection (LOD), and limit of quantification (LOQ) of each ginsenoside. The correlation coefficients (r2) for the calibration curves of the ginsenoside compounds were over 0.9997 in terms of linearity. The heated ultrasonic extraction method using ultrasonication for 30 minutes at 50℃ yielded higher amount of ginsenosides than the extraction method of the Korean industrial standards owing to the enhancement of extraction efficiency.
Conclusions : Compared to the other extraction methods, the heated ultrasonic extraction method yielded a higher amount of ginsenoside Rb1 than Rg1 index compounds for the quality evaluation of ginseng roots.
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KEYWORD
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Panax ginseng, Extraction Method, Ginsenosides, HPLC Analysis
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