Fig. 3From: Mass spectrometry identification of the liquor contained in the plum vase excavated from Jurou Li’s Grave of the Jin Dynasty (1115–1234 CE) in Xi’an, Shannxi, ChinaMS/MS spectrum of the doubly charged ion at m/z = 486.759 from the digested extract of the liquid sample from the plum vase and presenting the y and b fragments of the peptide sequence AGELAERAR specific to the glycosyltransferase from Sorghum bicolorBack to article page