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. 2013 Oct 2;8(10):e76621. doi: 10.1371/journal.pone.0076621

Figure 5. LC-MS analysis of the extracts from three chemotypes of X. strumarium glandular trichomes.

Figure 5

(A) The representative LC chromatograms at UV wavelength of 280 nm for xanthatin standard, and the glandular extracts from the Type I, Type II, and Type III cells; (B) the mass spectra of xanthatin standard, with each peak labelled. The collision energies used for xanthatin (standard), xanthatin (sample), 8-epi-xanthatin (sample), xanthumin (sample) and xanthinosin (sample) were 15 V, 15 V, 15 V, 13 V and 5 V respectively.