Fig. 2
MALDI-TOF MS spectra of acid-soluble seed proteins from 2-fold serial dilutions in Solution 1 of a single I. glandulifera seed (Harmondsworth Moor reference sample 1) initially extracted in 100 µl of Solution 1. The samples shown are: a undiluted, b 2-fold dilution, c 4-fold dilution, d 8-fold dilution, e 16-fold dilution, f 32-fold dilution, g 64-fold dilution, and h 128-fold dilution. The y axes show arbitrary intensity units and the x axes show molecular weight. Spectra are shown baseline-subtracted, smoothed, y-axis-autoscaled, and covering the mass range 2 kDa to 20 kDa (with x-axis scale increments of 2 kDa)