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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: Int Dairy J. 2009 Sep 1;19(9):524–530. doi: 10.1016/j.idairyj.2009.03.008

Fig. 4.

Fig. 4

Mass spectrum of the whey fraction collected using a 60:40 deionized water-acetonitrile solution containing 0.1% trifluoroacetic acid from solid-phase medium. The spectrum was recorded using a nanoESI-FTICR instrument in negative ion-detection mode.