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KMID : 0385520210340040153
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Analytical Science & Technology
2021 Volume.34 No. 4 p.153 ~ p.159
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Optimization of an extraction method for the simultaneous quantification of six active compounds in the aril part of Orostachys japonicus using HPLC-UV
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Gao Dan
Kim Jin-Hyeok
Cho Chong-Woon
Yang Seo-Young
Kim Young-Ho
Kim Hyung-Min
Kang Jong-Seong
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Abstract
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In this study, we describe the development of a new high-performance liquid chromatography (HPLC) method for the simultaneous analysis of six bioactive compounds (including gallic acid, epicatechin 3-gallate, quercitrin, afzelin, quercetin, and kaempferol) from Orostachys japonicus. The extraction method was investigated and optimization of the extraction time (min), solvent composition (%), and solvent to material ratio were conducted. As a result, 30 min extraction with 50% methanol and 40:1 mL/g of solvent: material ratio achieved the highest extraction efficiency with a yield of 3.32 mg/g. Furthermore, the developed HPLC method was validated and the correlation coefficient (R) values were within the satisfactory range of 0.9995-0.9999 over the linearity range of 1.53-417 ㎍/mL. The limit of detection and limit of quantification for the six active components were between 0.03-0.08 ㎍/mL and 0.08-0.26 ㎍/mL, respectively. With these newly optimized and developed methods, four batches of O. japonicus were analyzed to confirm the high extraction efficiency of the method and the feasibility of an application.
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KEYWORD
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HPLC, O. Japonicus, quality control, ultrasonic-assisted extraction, method validation
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