
doi: 10.1007/bf02467758
Separation of the mainPodophyllum lignans by MECC has been achieved using a phosphate-borate buffer system with the pH of 7.25, containing 25 mM SDS and 15% methanol. Optimum temperature and voltage were found to be 35°C and 20kV, respectively, UV-detection was performed at 220 nm. The method was successfully used to analyse different samples ofPodophyllum peltatum collected in the southern USA, and showed great qualitative and quantitative variations among these populations. The quantitative MECC results for podophyllotoxin were in good agreement to those obtained by HPLC.
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