Analysis of macamides in samples of Maca (Lepidium meyenii) by HPLC‐UV‐MS/MS

descriptionPublicationkeyboard_double_arrow_right Article 28 Oct 2005 English Publisher:WileyJournal:Phytochemical Analysis, volume 16, pages 463-469 (issn: 0958-0344, eissn: 1099-1565,

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Authors: Megan M, McCollom; Jacquelyn R, Villinski; Kerry L, McPhail; Lyle E, Craker; Stefan, Gafner;

doi: 10.1002/pca.871

pmid: 16315492

Analysis of macamides in samples of Maca (Lepidium meyenii) by HPLC‐UV‐MS/MS

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Abstract

AbstractThe macamides are a distinct class of secondary metabolites that have so far been found only in Lepidium meyenii Walp. (Maca). Using HPLC‐UV‐MS/MS, the main macamides have been identiﬁed as n‐benzylhexadecanamide, n‐benzyl‐(9Z)‐octadecenamide, n‐benzyl‐(9Z, 12Z)‐octadecadienamide, n‐benzyl‐(9Z, 12Z, 15Z)‐octadecatrienamide and n‐benzyloctadecanamide. The identities of n‐benzyl‐(9Z)‐octadecenamide and n‐benzyl‐(9Z, 12Z)‐octadecadienamide were conﬁrmed by comparison of chromatographic and spectral properties with synthetic analogues. Total macamides have been quantiﬁed by HPLC‐UV in plant material from different vendors using n‐benzylhexadecanamide as an external standard. The amount of macamides in the dried plant material ranged from 0.0016 to 0.0123%. Copyright © 2005 John Wiley & Sons, Ltd.

Related Organizations

University of Massachusetts Amherst
United States
Oregon State University
United States
University of Massachusetts System
United States

Keywords

Molecular Structure, Spectrophotometry, Ultraviolet, Amides, Lepidium, Chromatography, High Pressure Liquid, Mass Spectrometry

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