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福建中医药大学 药学院,生物医药研发中心,福州 350122
[第一作者] 任丽,在读硕士,从事中药药效物质基础及其作用机制研究,Tel:0591-22861135,E-mail:renli1229@qq.com
*廖华军,博士,副教授,从事中药药效物质基础及其作用机制研究,Tel:0591-22861135,E-mail:lhj2002123@126.com;
*吴水生,博士,教授,从事中药药效物质基础及其作用机制研究,Tel:0591-22861135,E-mail:wushuishengwss@163.com
收稿日期:2019-05-08,
网络出版日期:2019-06-19,
纸质出版日期:2020-02-05
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任丽, 李高攀, 谌赛男, 等. 钩吻炮制减毒存效的物质基础分析[J]. 中国实验方剂学杂志, 2020,26(3):117-124.
Li REN, Gao-pan LI, Sai-nan CHEN, et al. Material Basis Analysis of Toxicity Attenuation and Efficacy Reservation of Processing of
任丽, 李高攀, 谌赛男, 等. 钩吻炮制减毒存效的物质基础分析[J]. 中国实验方剂学杂志, 2020,26(3):117-124. DOI: 10.13422/j.cnki.syfjx.20191948.
Li REN, Gao-pan LI, Sai-nan CHEN, et al. Material Basis Analysis of Toxicity Attenuation and Efficacy Reservation of Processing of
目的:
2
在前期研究基础上,检测钩吻炮制前后的6种主要生物碱成分的变化情况,以期揭示钩吻炮制后减毒存效的内在机制。
方法:
2
采用HPLC同时测定钩吻素甲、胡蔓藤碱丙、钩吻素子、钩吻素己、钩吻绿碱、胡蔓藤碱乙6个成分的含量,色谱条件为流动相甲醇(A)-0.1%甲酸水溶液(B)梯度洗脱(0~10 min,22%A;10~20 min,22%~30%A;20~30 min,30%~40%A),流速1 mL·min
-1
,检测波长254 nm,柱温30 ℃,进样量10 μL。采用聚类分析和主成分分析法对钩吻炮制前后化学成分变化情况进行分析。
结果:
2
炮制前上述6种成分在12批生品中的平均质量分数分别为1.444,1.129,3.590,1.603,2.376,1.631 mg·g
-1
;炮制后六者的平均质量分数则依次为2.258,0.343,1.176,0.115,0.459,0.281 mg·g
-1
;毒性最强成分钩吻素己质量分数下降最为显著,下降率达92.83%,而毒性较小的钩吻素甲炮制后质量分数升高了56.37%,其他4个成分质量分数均有不同程度的降低。聚类分析结果表明钩吻炮制前后可明显分为2个类别,主成分分析表明钩吻炮制后第1主成分由钩吻素子变为钩吻素甲。
结论:
2
钩吻炮制后毒性成分钩吻素己被显著降解,胡蔓藤碱丙、钩吻素子、钩吻绿碱、胡蔓藤碱乙成分含量下降以及钩吻素甲的含量升高可能是钩吻炮制后减毒存效的内在机制之一。
Objective:
2
On the basis of previous research
to detect the changes of six main alkaloids in
Gelsemium elegans
rhizomes before and after being processed
so as to reveal its internal mechanism of processing.
Method:
2
The contents of gelsemine
humantenidine
koumine
gelsenicine
gelsevirine and humantenine in
G
.
elegans
rhizomes was determined simultaneously by HPLC
the content changes of these components before and after processing and its reasons were analyzed by cluster analysis and principal component analysis. The mobile phase was methanol (A)-0.1%formic acid aqueous solution (B) for gradient elution (0-10 min
22%A; 10-20 min
22%-30%A; 20-30 min
30%-40%A). The flow rate was 1.0 mL·min
-1
. The detection wavelength was set at 254 nm
the injection volume was 10 μL
and the column temperature was 30 ℃.
Result:
2
Before processing
contents of the above six components in raw products were 1.444
1.129
3.590
1.603
2.376
1.631 mg·g
-1
after processing
the contents of these six components were 2.258
0.343
1.176
0.115
0.459
0.281 mg·g
-1
respectively. Gelsenicine
the most toxic ingredient of
G
.
elegans
rhizomes
decreased most significantly with a decreasing rate of 92.83%
while the less toxic ingredient
gelsemine
increased by 56.37%after processing. The contents of other four components in
G
.
elegans
rhizomes decreased to varying degrees after processing. The results of cluster analysis indicated that
G
.
elegans
rhizomes were clearly divided into two categories before and after processing. Principal component analysis showed that the first principal component before and after processing was changed from koumine to gelsemine.
Conclusion:
2
The degradation of toxic components and content changes of other components may be one of the intrinsic mechanism of toxicity attenuation and efficacy reservation of
G
.
elegans
rhizomes being processed.
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