Bo SUN, Yi-fan ZHAO, Guang-wei ZHU, et al. Application of DESI-MSI in Quality Control of Banxia Xiexintang[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(7): 117-128.
DOI:
Bo SUN, Yi-fan ZHAO, Guang-wei ZHU, et al. Application of DESI-MSI in Quality Control of Banxia Xiexintang[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(7): 117-128. DOI: 10.13422/j.cnki.syfjx.20192350.
Application of DESI-MSI in Quality Control of Banxia Xiexintang
To prepare 15 batches of Banxia Xiexintang substance benchmark and lyophilized powder from different places
and the lyophilized powder was analyzed by ultra-high performance liquid chromatography with diode array detection (UHPLC-DAD) and desorption electrospray ionization-mass spectrometry imaging (DESI-MSI) in order to investigate the advantages of DESI-MSI in quality control of famous classical formulas.
Method:
2
Taking Banxia Xiexintang as the research model
fingerprints of the substance benchmark and lyophilized powder were established by UHPLC-DAD
and the content of index components and the yield of dry extract were also investigated. Meanwhile
as the research carrier
the lyophilized powder corresponding to Banxia Xiexintang was dissolved in methanol and dotted on qualitative filter paper with 5 μL quantitative capillary
and fixed it on the slide to make samples. The samples were analyzed on a DESI-MSI system in positive and negative ion mode with methanol-formic acid (1 000∶1
flow rate of 3 μL·min
-1
) as spray solvent
N
2
as spray gas (pressure of 0.5 MPa). The scanning range was 100-1 200 Da
the spatial resolution was 300 μm
the spray voltage was 3 kV
the sampling cone voltage was ±40 V
incidence angle of sprayer was 60 degree
its collection angle was 10 degree
the ion source temperature was 120 ℃.
Result:
2
DESI-MSI could not only detect the index components of liquiritin
baicalin and wogonoside
as well as the common peaks of liquiritin apioside
berberine and glycyrrhizic acid
but also analyzed them semi-quantitatively
the analysis results were basically consistent with UHPLC-DAD. At the same time
DESI-MSI could detect 16 other components from Glycyrrhizae Radix et Rhizoma
Coptidis Rhizoma
Scutellariae Radix
Jujubae Fructus and Ginseng Radix et Rhizoma
such as licoricesaponin G
2
palmatine
coptisine
rutin and ginsenoside Rg
1
and present their relative content visually. The qualitative analysis ability of DESI-MSI was much better than UHPLC-DAD.
Conclusion:
2
DESI-MSI can be used as the quality control method for substance benchmark and lyophilized powder and dispensing granules of famous classical formulas with advantages of high sensitivity
strong analytical ability
no complex sample processing
qualitative and relative content analysis of complex samples without reference substance.
C P WU , D R IFA , N E MANICKE , et al . Rapid,direct analysis of cholesterol by charge labeling in reactive desorption electrospray ionization [J]. Anal Chem , 2009 , 81 ( 18 ): 7618 - 7624 .
A L DILL , L S EBERLIN , C ZHENG , et al . Multivariate statistical differentiation of renal cell carcinomas based on lipidomic analysis by ambient ionization imaging mass spectrometry [J]. Anal Bioanal Chem , 2010 , 398 ( 7/8 ): 2969 - 2978 .
J TILLNER , V WU , E A JONES , et al . Faster,more reproducible DESI-MS for biological tissue imaging [J]. J Am Soc Mass Spectrom , 2017 , 28 ( 10 ): 2090 - 2098 .
Z TAKÁTS , J M WISEMAN , R G COOKS . Ambient mass spectrometry using desorption electrospray ionization (DESI):instrumentation,mechanisms and applications in forensics,chemistry,and biology [J]. J Mass Spectrom , 2005 , 40 ( 10 ): 1261 - 1275 .
N ABBASSI-GHADI , E A JONES , K A VESELKOV , et al . Repeatability and reproducibility of desorption electrospray ionization-mass spectrometry (DESI-MS) for the imaging analysis of human cancer tissue:a gateway for clinical applications [J]. Anal Methods , 2015 , 7 ( 1 ): 71 - 80 .
Z MIAO , H CHEN . Direct analysis of liquid samples by desorption electrospray ionization-mass spectrometry (DESI-MS) [J]. J Am Soc Mass Spectrom , 2009 , 20 ( 1 ): 10 - 19 .
M YE , S H LIU , Z L JIANG , et al . Liquid chromatography/mass spectrometry analysis of PHY906,a Chinese medicine formulation for cancer therapy [J]. Rapid Commun Mass Spectrom , 2007 , 21 ( 22 ): 3593 - 3607 .