Li-qiao ZHU, Shao-hua YU, Xi ZHANG, et al. Analysis on Changes of Chemical Components in Enzymolysis Process of Raphani Semen Pieces Based on HPLC-DAD Characteristic Spectra[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(4): 140-145.
DOI:
Li-qiao ZHU, Shao-hua YU, Xi ZHANG, et al. Analysis on Changes of Chemical Components in Enzymolysis Process of Raphani Semen Pieces Based on HPLC-DAD Characteristic Spectra[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(4): 140-145. DOI: 10.13422/j.cnki.syfjx.20182304.
Analysis on Changes of Chemical Components in Enzymolysis Process of Raphani Semen Pieces Based on HPLC-DAD Characteristic Spectra
To analyze the dynamic changes of components in the enzymolysis process of raw products of Raphani Semen.
Method:
2
HPLC was employed to analysis of characteristic spectra of Raphani Semen at different enzymolysis time with mobile phase of acetonitrile-0.1% phosphoric acid aqueous solution for gradient elution and detection wavelength at 225 nm.The characteristic peaks were calibrated
meanwhile
the UV spectra of characterstic peaks were extracted
and the difference between UV spectra and the changes of peak areas were compared
and the dynamic changes of characterstic components in Raphani Semen were analyzed.
Result:
2
Eleven characteristic peaks were marked from the characteric spectra of raw products of Raphani Semen at different enzymolysis time
and glucoraphenin and sinapine thiocyanate were assigned.Glucoraphenin was enzymatically hydrolyzed fastly by myrosinase
and an intermediate was generated
and then continue to be decomposed into other components.Sinapine thiocyanate did not change significantly during the enzymolysis process
and sinadiosides was also enzymatically degraded.
Conclusion:
2
The enzymolysis of Raphani Semen is not only the glucoraphenin
but also the sinadiosides.This paper can provide reference for the property change of Raphani Semen in processing.
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