CAI Pingjun,QIANG Mengqin,XIA Yangmiao,et al.GC-MS Analysis of Effect of Different Processing Conditions on Irritation of Magnoliae OfficinalisCortex[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(16):197-206.
CAI Pingjun,QIANG Mengqin,XIA Yangmiao,et al.GC-MS Analysis of Effect of Different Processing Conditions on Irritation of Magnoliae OfficinalisCortex[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(16):197-206. DOI: 10.13422/j.cnki.syfjx.20230665.
GC-MS Analysis of Effect of Different Processing Conditions on Irritation of Magnoliae OfficinalisCortex增强出版
To investigate the key compounds affecting the irritation and to clarify the effect of heating and the addition of ginger juice as the auxiliary material during the processing on the irritation of Magnoliae Officinalis
Cortex(MOC) by comparing the irritation and composition of volatile oil in MOC and its different processed products.
Method
2
Volatile oil in raw products, water-processed products
,
ginger-dried products, ginger-fried products(the amounts of ginger were 10%, 50%, respectively) of MOC were extracted by steam distillation and subjected to rabbit eye irritation experiment, and the volatile components of each sample were detected by gas chromatography-mass spectrometry(GC-MS). Principal component analysis(PCA)and orthogonal partial least squares-discriminant analysis(OPLS-DA) were used to analyze the data of each sample by SIMCA 14.1. The relative contents of different processed products were compared two by two with those of and raw products or ginger-fried products, and the markers that might be related to the irritation were sorted out according to the principles of variable importance in the projection(VIP) value
>
1 and
P
<
0.05, and the factors influencing the differences in irritation were analyzed.
Result
2
Compared with the blank group, the administration groups all had irritation to the eyes of rabbits, and the degree of irritation was in the order of raw products
>
water-processed products
>
ginger-dried products
>
ginger-fried products(10%)
>
ginger-fried products(50%). The results of PCA and OPLS-DA showed that there were differences in the
volatile oil from raw products and different processed products. According to VIP value
>
1 and
P
<
0.05, and combined with the results of eye irritation experiment, ten volatile compounds related to irritation changes were screened out. Among them,
cis
-cinnamaldehyde was only detected in raw products, the relative contents of
β
-caryophyllene, (+)-delta-cadinene,
α
-humulene,
γ
-muurolene, (-)-isoledene and citral all increased to different degrees, the contents of
p
-cymene, 1(10)-4-cadinadien-15-ol and
β
-eudesmol all decreased to different degrees.
Conclusion
2
The irritation of MOC is reduced after heating and processing with ginger juice, and the synergistic effect of both is more effective for reducing irritation. Among the differential markers associated with changes in irritation, the increase in the relative content of citral is closely related to the addition of ginger juice, while the decrease in the relative contents of
cis
-cinnamaldehyde,
p
-cymene, 1(10)-4-cadinadien-15-ol is related to heating, and the changes of other components may be related to the synergistic effect of heating and ginger juice.
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