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Title: Rapid analysis of lignans from leaves of Podophyllum peltatum L samples using UPLC-UV-MS

Author
item AVULA, BHARATHI - UNIVERSITY OF MISSISSIPPI
item WANG, YAN-HONG - UNIVERSITY OF MISSISSIPPI
item MORAES, RITA - UNIVERSITY OF MISSISSIPPI
item KHAN, IKHLAS - UNIVERSITY OF MISSISSIPPI

Submitted to: Biomedical Chromatography
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 11/19/2010
Publication Date: 3/4/2011
Citation: Avula, B., Wang, Y., Moraes, R.M., Khan, I.A. 2011. Rapid analysis of lignans from leaves of Podophyllum peltatum L samples using UPLC-UV-MS. Biomedical Chromatography. 25:1230-1236.

Interpretive Summary: An improved method was developed that permits analysis of four compounds in mayapple (Podophyllum peltatum). One of these compounds is used to produce an anticancer drug. This procedure was used to analyze different populations of this plant for this useful compound. Samples from different locations differed in content.

Technical Abstract: A new rapid UPLC-UV-MS method has been developed that permits the analysis of four lignans in P. peltatum L. Podophyllotoxin is a natural lignan that is being used as a precursor for the semi-synthetic anti-cancer drugs etoposide, teniposide and etopophos. The chromatographic separation was achieved using a reversed phase C18 column with a mobile phase of water and acetonitrile, both containing formic acid. Analyses of mayapple leaves collected from different colonies within a single site indicated a significant variation in lignan content. The podophyllotoxin content was found in the range of 0.004-0.77% from the 16 different locations where the samples were collected. LC-mass spectrometry coupled with electrospray ionization (ESI) interface method is described for the identification of four lignans in various populations of plant samples. By applying PCA and HCA, Podophyllum samples collected from various locations were distinguished.