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1.贵州医科大学 医学检验学院,贵阳 550004
2.贵州医科大学 基础医学院,贵阳 550025
3.国药集团同济堂(贵州)制药有限公司,贵阳 550018
4.贵州师范大学 贵州省山地环境信息系统与生态环境保护重点实验室,贵阳 550001
5.贵州医科大学 附属医院 贵州省产前诊断中心,贵阳 550004
6.贵州医科大学 环境污染与疾病监控教育部重点实验室,贵阳 550000
[第一作者] 李莉,在读硕士,从事生物化学与分子生物学研究,E-mail:595555460@qq.com
*伍庆,教授,从事分析化学研究,E-mail:wq0851@126.com
*潘卫,博士,教授,从事临床检验诊断学生物化学研究,E-mail:pw6602@sina.com;
收稿日期:2019-03-24,
网络出版日期:2019-06-20,
纸质出版日期:2020-01-05
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李莉, 孙宜春, 庞媛媛, 等. 陈皮水提物指纹图谱的化学计量学分析及与糖尿病认知功能障碍的谱效关系[J]. 中国实验方剂学杂志, 2020,26(1):147-154.
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.
李莉, 孙宜春, 庞媛媛, 等. 陈皮水提物指纹图谱的化学计量学分析及与糖尿病认知功能障碍的谱效关系[J]. 中国实验方剂学杂志, 2020,26(1):147-154. DOI: 10.13422/j.cnki.syfjx.20191919.
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.
目的:
2
建立陈皮水提物的HPLC指纹图谱,并研究其与糖尿病大鼠认知功能的谱效关系。
方法:
2
采用HPLC建立21批陈皮水提物的指纹图谱,流动相乙腈(A)-0.1%的磷酸(B)梯度洗脱,检测波长270 nm;采用指纹图谱软件中的相似度评价,SPSS 24.0二维聚类分析和SIMCA 14.1主成分分析对结果进行分析;采用腹腔注射链脲佐菌素(STZ,50 mg·kg
-1
)复制糖尿病大鼠模型,模型复制成功后给予陈皮水提物灌胃,定期检测空腹血糖值,诱导第12周Morris水迷宫检测实验大鼠的空间学习记忆能力,灰色关联度分析和偏最小二乘回归分析研究谱效关系。
结果:
2
确定了陈皮水提物中25个共有峰,鉴定出5种物质,并且将21个不同品种、产地的陈皮分成了2类;与模型组比较,灌胃陈皮水提物的各组大鼠空腹血糖下降,认知能力得到改善;灰色关联分析及最小偏二乘回归分析谱效关系表明,19,15,4,17,6号峰与糖尿病大鼠认知功能关联性较大。
结论:
2
不同品种、产地之间的陈皮水提物存在一定的差异,通过化学计量学可以方便、快捷的对不同产地的陈皮水提取物质进行全面的质量评价,并且陈皮水提物可降低糖尿病大鼠的空腹血糖值及改善认知能力,其发挥作用是多种有效成分共同起效的结果,其中19,15,4,17,6号峰是与糖尿病大鼠认知功能密切相关的成分。
Objective:
2
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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