Recent Applications of Mass Spectrometry in the Study of Grape and Wine Polyphenols
Table 16
Masses observed by MALDI-TOF analysis calculated using the equation 290 + 288c + 152g + 23 (290: MW of the terminal catechin unit; c: degree of polymerization; g: number of galloyl ester; 23: Na atomic mass). n.d.: not observed [88].