Establishment of UPLC fingerprint and study on anti-respiratory syncytial virus spectrum-effective relationship of ethanol extract from Callicarpa nudiflora
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Establishment of UPLC fingerprint and study on anti-respiratory syncytial virus spectrum-effective relationship of ethanol extract from Callicarpa nudiflora
SHAO Bingmei,LI Xiaofeng,YAN Beibei,et al.Establishment of UPLC fingerprint and study on anti-respiratory syncytial virus spectrum-effective relationship of ethanol extract from Callicarpa nudiflora[J].ZHONGGUO YAOFANG,2023,34(20):2465-2470.
SHAO Bingmei,LI Xiaofeng,YAN Beibei,et al.Establishment of UPLC fingerprint and study on anti-respiratory syncytial virus spectrum-effective relationship of ethanol extract from Callicarpa nudiflora[J].ZHONGGUO YAOFANG,2023,34(20):2465-2470. DOI: 10.6039/j.issn.1001-0408.2023.20.04.
Establishment of UPLC fingerprint and study on anti-respiratory syncytial virus spectrum-effective relationship of ethanol extract from Callicarpa nudiflora
To establish the fingerprint of the ethanol extract from
Callicarpa nudiflora
, analyze its anti-respiratory syncytial virus (RSV) activity
in vitro
, and study the relationship between spectrum and effect.
METHODS
2
Using 10%, 30%, 50%, 70% and 90% ethanol as solvent, 20 batches of ethanol extracts from 4 batches of
C. nudiflora
were prepared. The fingerprints for 20 batches of ethanol extracts from
C. nudiflora
were mapped by ultra-high-performance liquid chromatography (UPLC), and the similarity evaluation was conducted by using the
Similarity Evaluation System for Traditional Chinese Medicine Chromatographic Fingerprints
(2012 edition). The cytopathic effect method and MTT method were used to investigate the
in vitro
inhibitory activity of the ethanol extracts from
C. nudiflora
on RSV. Pearson correlation analysis, grey correlation degree and orthogonal partial least squares (OPLS) analysis were used to study the spectrum-effect relationship.
RESULTS
2
There were 25 common peaks in 20 batches of ethanol extracts from
C. nudiflora
, and the similarities ranged from 0.912 to 0.998, and the RSDs of common peak areas were 33.54%-162.28%. The average values of IC
50
for RSV of 20 batches of ethanol extracts from
C. nudiflora
were 9.55-272.23 μg/mL. The results of Pearson correlation analysis, grey correlation analysis and OPLS analysis showed that the Pearson correlation coefficients (
P
<0.05) of the common peaks 8, 10, 12, 16, 18-19, 22-24 with pharmacodynamic indicators and regression coefficients were all negative, the correlation coefficients were all greater than 0.6, and the values of variable importance in projection were all greater than 1.
CONCLUSIONS
2
Twenty batches of ethanol extracts from
C. nudiflora
have similar components but significant differences in content, and exhibit different degrees of anti-RSV activity
in vitro
. The corresponding components of common peaks 8, 10, 12, 16, 18-19, 22-24 may be the characteristic components of anti-RSV of
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