Stoichiometric Analysis in Fingerprint of Aqueous Extract of Citri Reticulatae Pericarpium and Spectrum-effect Relationship with Diabetic Cognitive Dysfunction
Resource and Quality Evaluation|更新时间:2021-02-09
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Stoichiometric Analysis in Fingerprint of Aqueous Extract of Citri Reticulatae Pericarpium and Spectrum-effect Relationship with Diabetic Cognitive Dysfunction
Chinese Journal of Experimental Traditional Medical FormulaeVol. 26, Issue 1, Pages: 147-154(2020)
Li LI, Yi-chun SUN, Yuan-yuan PAN, et al. Stoichiometric Analysis in Fingerprint of Aqueous Extract of Citri Reticulatae Pericarpium and Spectrum-effect Relationship with Diabetic Cognitive Dysfunction[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(1): 147-154.
DOI:
Li LI, Yi-chun SUN, Yuan-yuan PAN, et al. Stoichiometric Analysis in Fingerprint of Aqueous Extract of Citri Reticulatae Pericarpium and Spectrum-effect Relationship with Diabetic Cognitive Dysfunction[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(1): 147-154. DOI: 10.13422/j.cnki.syfjx.20191919.
Stoichiometric Analysis in Fingerprint of Aqueous Extract of Citri Reticulatae Pericarpium and Spectrum-effect Relationship with Diabetic Cognitive Dysfunction
To establish the HPLC fingerprint of aqueous extract of Citri Reticulatae Pericarpium
and research the spectrum-effect relationship in diabetic cognitive dysfunction rats.
Method:
2
The HPLC fingerprints of 21 batches of Citri Reticulatae Pericarpium were established
with acetonitrile (A)-0.1%of phosphoric acid (B) as the flow phase for gradient elution. The detection wavelength was 270 nm. Acomparative analysis was performed for the results based on similarity evaluation
SPSS 24.0 two-dimension clustering analysis and SIMCA 14.1 principal component analysis of fingerprint software. Thediabetic rat model wasduplicated by one-time intraperitoneal injection with streptozotocin (STZ) at the dose of 50 mg·kg
-1
. After successful replication of the model
thediabetic rats were given aqueous extract of Citri Reticulatae Pericarpium by gavage. The blood glucose value was determined at regular intervals. The cognitive function was analyzed with Morris water maze experiment at the 12 week. Grey relational analysis (GRA) and partial least squares regression analysis were used to study the spectrum-effect relationship.
Result:
2
Totally 16 common peaks of water extract of Citri Reticulatae Pericarpium were confirmed
five substances were identified
and 21 species of Citri Reticulatae Pericarpium of different varieties and origins were divided into 2 categories. Compared with the model group
the blood glucose of rats in each group treated with water extract of Citri Reticulatae Pericarpiumwere reduced
and their cognitive function was improved.According to the grey correlation analysis and the least partial square regression analysis
the peaks No. 19
15
4
17 and 6 were significantly correlated with the cognitive function of diabetic rats.
Conclusion:
2
There were some differences in aqueous extract of Citri Reticulatae Pericarpium between different varieties and origins. It is convenient and fast to make a comprehensive quality evaluation of aqueous extract of Citri Reticulatae Pericarpium of different varieties and producing areas by stoichiometry
and aqueous extract of Citri Reticulatae Pericarpium can reduce the blood glucose level and improve the cognitive function of diabetic cognitive dysfunction rats
its mechanisms of action are resultedfrom the joint effects of multiple effective components
and peaks No. 19
15
4
17 and 6 are components closely related to the cognitive function of diabetic rats.
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