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[Comparative study on content of chlorogenic acid in Lonicera japonica and L. macranthoides]
1Hunan College of Traditional Chinese Medicine, Changsha 410007.
Objective:
To exploit and utilize reasonably the abundant natural resources by appraising the medicinal purposes of Lonicera macranthoides Hands-Mazz. through the content of the useful chemical constitutents chlorogenic acid.
Method:
The content of chlorogenic acid in the flowers of L. macranthoides Hands-Mazz in Human and L. japonica Thunb. in Henan and Shandong was compared by HPLC.
Result:
The contents of chlorogenic acid were 4.00% and 4.52% in L. macrathoides from Longhui and Xinning County of Hunan respectively. The contents were 2.20% and 2.46% in L. japonica from Shangdong and Henan respectively.
Conclusion:
The content of chlorogenic acid in L. macranthoides was higher than that in Lonicera japonica.
