Comparing main components in the ratan of Lonicera macranthoides Hands Mazz.which are from different places of origin

Objective:Compare and contrast main components in the ratan of Lonicera macranthoides Hands Mazz.,which are from different producing areas in hunan province,providing basis for improving breed.Method:Use spectrophotometer to determine the content of chlorogenic acid in the sample;according to the 《Chinese pharmacopoeia》(appendix XD),using the second way of volatile oil's determination to study.Result:A.For the content of volatile oil ,the highest is 0.5%,which is from Longhui country;the second is 0.32% and 0.2%,from Wugang and Shaodong country respectively the lowest is 0.1%,from Qidong country.b.For the content of chlorogenic acid, the highest is 2.66%,which is from Longhui country;the second is 2.35% and 2.31%,from Qidong and Shaodong county respectively;the lowest is 2.07%,from Wugang county.Conclusion:There is certainly relation between content of main components and producing area,when improving breed, the best should be selected.