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Study on quality identification of Curcumae Rhizoma from different origins based on quantitative analysis of appearance color and content of main components / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 1393-1400, 2021.
Article in Chinese | WPRIM | ID: wpr-879044
ABSTRACT
L~*, a~* and b~* values of prepared slices of Curcumae Rhizoma were measured by spectrophotometer. SPSS 21.0 was used for discriminant analysis to establish the color range and mathematical prediction model of prepared slices of Curcumae Rhizoma. The values of L~*, a~* and b~* of kwangsiensis ranged from 58.09-62.40, 4.53-5.66 and 23.61-24.29, while the values of L~*, a~* and b~* of phaeocaulis were between 64.02-70.71,-0.89-4.13 and 44.59-54.52, respectively. The values of L~*, a~* and b~* of wenyujin were 68.55-70.99,-0.11-1.47 and 28.26-32.19, respectively. The mathematical prediction model was proved to be able to realize 100% identification of Curcumae Rhizome of different origins through original and cross validation and external samples validation. A dual wavelength HPLC was established; the contents of 9 sesquiterpenoids and 3 Curcumae Rhizomes were determined simultaneously; and the contents of Curcumae Rhizome of different origins were determined. The results showed that kwangsiensis had higher contents of neocurdione, β-elemene and isocurcumaenol, phaeocaulis curcumin, furadienone, demethoxycurcumin and curcumin; and wenyujin mainly contained curdione, furadienes and guimarone. Pearson correlation analysis on L~*, a~*, b~* value and content of 12 components showed that curcumin, furadienone, demethoxycurcumin and curcumin had a significant positive correlation with b~* value(P<0.01). There was a significant negative correlation between neocurdione, β-elemene and isocurcumaenol and L~* value(P<0.01). Curdione, furadienes and guimarone were significantly correlated with L~* value(P<0.01),indicating that the appearance co-lor of Curcumae Rhizoma could reflect the change of the content of the internal components. This study provided reference for the rapid recognition of Curcumae Rhizoma and the establishment of quality evaluation system.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Chromatography, High Pressure Liquid / Color / Curcumin / Curcuma / Rhizome Type of study: Diagnostic study / Prognostic study Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Chromatography, High Pressure Liquid / Color / Curcumin / Curcuma / Rhizome Type of study: Diagnostic study / Prognostic study Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2021 Type: Article