Jin-yu WANG, Qiu-xia ZHANG, Kang CHEN, et al. Comparison of Volatile Components in Citri Sarcodactylis Fructus from Guangdong Province Before and After Being Steamed by GC-MS[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(13): 126-132.
DOI:
Jin-yu WANG, Qiu-xia ZHANG, Kang CHEN, et al. Comparison of Volatile Components in Citri Sarcodactylis Fructus from Guangdong Province Before and After Being Steamed by GC-MS[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(13): 126-132. DOI: 10.13422/j.cnki.syfjx.20190450.
Comparison of Volatile Components in Citri Sarcodactylis Fructus from Guangdong Province Before and After Being Steamed by GC-MS
To compare volatile components in raw products and steamed products of Citri Sarcodactylis Fructus.
Method:
2
Volatile oil in different batch of raw products and steamed products of Citri Sarcodactylis Fructus was extracted by steam distillation
and volatile components were identified by GC-MS.The determination was performed with injector temperature of 280 ℃
high pure helium(≥99.999%) as carrier gas
split ratio of 10∶1
and sample size of 3 μL with temperature programming.Mass spectrum conditions included electron bombardment ion source
electron bombardment energy of 70 eV
ion source temperature of 230 ℃
acceleration voltage of 34.6 V
resolution of 2 500
scanning range of
m
/
z
40-350.Peak matching
cutting and noise filtering were used in analyzing data based on GC-MS combined with orthogonal partial least square-discriminant analysis(OPLS-DA).
Result:
2
A total of 58 components were separated and identified from the different batches of raw Citri Sarcodactylis Fructus and their processed products
and 27 differential chemical components were identified by multivariate statistical analysis
among them
15 common differential components presented different changing laws.The relative contents of
α
-pinene
β
-pinene
p
-cymene
β
-linalool
L
-4-terpinenol
α
-terpineol
nerol
β
-cyclocitral
geraniol and
α
-citral in raw products were higher than that of their corresponding processed products.The relative contents of
β
-caryophyllene
cis
-
α
-bergamotene
γ
-muurolene
γ
-elemene and
β
-bisabolene in processed products were higher than that of their corresponding raw products.
Conclusion:
2
The content and composition of volatile components in Citri Sarcodactylis Fructus from Guangdong province have changed after being steamed.The results can provide experimental basis for expounding the processing principle and quality evaluation of Citri Sarcodactylis Fructus
and have positive significance for promoting the research and development of this Lingnan characteristic decoction pieces.
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