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KMID : 0370220130570040272
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Yakhak Hoeji
2013 Volume.57 No. 4 p.272 ~ p.281
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Simultaneous Quantification Analysis of Multi-components on Erycibae Caulis by HPLC
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Jeon Hye-Jin
Liu Ting
Whang Wan-Kyunn
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Abstract
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In this study, we developed and validated the HPLC method using the isolated components from Erycibae caulis. Their structures were elucidated by spectroscopic methods including UV, 1H-NMR, 13C-NMR, FAB-Mass and ESI-Mass as Compound 1 (crypto-chlorogenic acid), Compound 2 (scopolin), Compound 3 (neochlorogenic acid) and Compound 4 (3,4-di-O-caffeoylquinic acid). Major three compounds and scopoletin were decided as representative components of Erycibae caulis. We established HPLC analytical method by using the representative components and 20 commercial samples which were collected considering to various cultivated area. The HPLC fingerprinting was successfully achieved with an AKZO NOBEL Kromasil 100-5C18 column. The mobile phase consisted of 0.5% acetic acid in water (A) and methanol (B) using gradient method of 85(A) to 50(A) for 35min. The fingerprints of chromatograms were recorded at an optimized wavelength of 330 nm. This developed analytical method was validated with specificity, selectivity, accuracy and precision. And it is suggested that scopolin, scopoletin, neochlorogenic acid, 3,4-di-O-caffeoylquinic acid were more than 0.162%, 0.133%, 0.057%, 0.044%, respectively. In addition, principal component analysis (PCA) was performed on the analytical data of 20 different Erycibae caulis samples in order to classify samples collected from different regions. We hope that this assay can be readily utilized as quality control method for Erycibae caulis.
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KEYWORD
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Erycibae caulis, Erycibe obtusifolia, components, Convolvulaceae, crypto-chlorogenic acid, scopolin, neochlorogenic acid, 3, 4-di-O-caffeoylquinic acid, scopoletin, HPLC, PCA
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