NIE Qinxin,ZHANG Qiuxia,WANG Jinyu,et al.Effects of Citrus medica before and after being steamed on dryness indexes and blood metabolism in rats[J].ZHONGGUO YAOFANG,2022,33(23):2926-2930.
NIE Qinxin,ZHANG Qiuxia,WANG Jinyu,et al.Effects of Citrus medica before and after being steamed on dryness indexes and blood metabolism in rats[J].ZHONGGUO YAOFANG,2022,33(23):2926-2930. DOI: 10.6039/j.issn.1001-0408.2022.23.21.
Effects of Citrus medica before and after being steamed on dryness indexes and blood metabolism in rats
before and after being steamed on blood metabolism and dryness indexes in rats.
METHODS
2
Twenty-four SD rats were randomly divided into blank group,
C. medica
group (2.4 g/kg), processed
C. medica
group (2.4 g/kg),
Citrus aurantium
group (positive control, 1.2 g/kg), with 6 rats in each group. After 5 weeks of continuous administration, the body weight, food intake, water intake and urine volume were observed dynamically. The content of aquaporin 3 (AQP3) in serum was detected. The metabolic profile of rat serum samples was analyzed by liquid chromatography-mass spectrometry. Principal component analysis (PCA) and orthogonal partial least squares-discriminant analysis (OPLS-DA) were used to screen differential metabolites, and screened differential metabolites were mapped to the KEGG database for pathway analysis.
RESULTS
2
The body weight of rats in each group increased slowly; the food intake and water intake of processed
C. medica
group tended to be higher than those in
C. medica
group and
C. aurantium
group, but there was no significant difference among those groups (
P
>0.05). On the 21st day of administration, compared with
C. aurantium
group, the urine volume of processed
C. medica
group was significantly increased (
P
<0.05), the serum AQP3 content of processed
C. medica
group was significantly decreased (
P
<0.05), and were close to those of blank group. According to the metabonomic study,
C. medica
mainly affected the lipids metabolism, and processed
C. medica
mainly affected the amino acid metabolism. The differential metabolites pathway between
C. medica
and processed
C. medica
involved the metabolism of cysteine and methionine, metabolism of glycine, serine and threonine, and metabolism of taurine and hypotaurine.
CONCLUSIONS
2
Processed
C. medica
might relieve the dryness of
C. medica
by affecting adenosine phosphate-protein kinase A. The content of AQP3 in serum can be used as the evaluation index for the dryness of
C. medica
before and after processing. The effects of
C. medica
and processed
C. medica
on endogenous metabolites in rat serum are quite different, especially in the aspect of lipid metabolism.
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