Determination of 8 Endogenous Alkaloid Components in Boletus Using Ultrahigh-Performance Liquid Chromatography Combined with Quadrupole-Time of Flight Mass Spectrometry

Figure 4

MS/MS spectra of the 8 endogenous alkaloids. (a) Nicotine. (b) Anabasine. (c) Choline. (d) Tryptamine. (e) Putrescine. (f) Nicotinamide. (g) Muscarine. (h) Cotinine.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)