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KMID : 1024420160200020152
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Food Engineering Progress
2016 Volume.20 No. 2 p.152 ~ p.157
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Method Validation for the Analysis of Loganin Content in Cornus Officinals Depends on Cultivation Regions
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Jang Da-Eun
Lee Sang-Hoon
Hwang In-Guk
Song Jin
Hwang Kyung-A
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Abstract
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The aim of this study was to investigate the method validation for the determination of loganin content in Cornus Officinalis (CO). This medicinal plant reportedly mainly included loganin. The specificity, linearity, precision, accuracy, limit of detection (LOD), and quantification (LOQ) were measured by HPLC/DAD. Our results showed that high linearity in the coefficient of calibration correlation (R2) for loganin standard was 1. LOD and LOQ for loganin were 0.007 and 0.026 mg/mL, respectively. The recovery rate of loganin was revealed to be in the high range of 95.14-105.45%. The relative standard deviation of intra- and inter-day precision of loganin in CO was 1.8% and 2.3%, respectively. The loganin content of CO from Gurye, Uiseng, Ichoen, and China were 7.81, 3.41, 7.42, and 6.52 mg/g, respectively. In conclusion, these methods were validated for the detection of loganin in CO.
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KEYWORD
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loganin, Cornus Officinals, method validation
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