Journal of Chemistry / 2019 / Article / Tab 5

Research Article

Bulk and Surface Chemical Composition of Wheat Flour Particles of Different Sizes

Table 5

The corresponding relationship between XPS decomposition peaks and the amino acids with side-chains containing corresponding functional groups.

XPS decomposition peaksCorresponding functional groupsCorresponding amino acid

C1s Peak 2C- O, C-N, O-C-O, O=C-O, O=C-NTyr, Try, Ser, Thr
C1s Peak 3+O1s Peak 1+O1s Peak 3O=C-OH, O=C-OR, O=C-OH,O=C-N,O=C-O, O=C-OHAsp, Glu
C1s Peak 2+O1s Peak 1+N1s peak 1C- O, C-N, O-C-O, O=C-O, O=C-N, O=C-OH,O=C-N,O=C-O, O=C-NH, O=C-NH2Asn, Gln
N1s peak 1O=C-NH, O=C-NH2His, Arg
N1s peak 2C-NH3+Lys
S2p-SH, -S-Met, Cys
C1s Peak 2+C1s Peak 3+O1s Peak 1+O1s Peak 3+N1s peak 1C- O, C-N, O-C-O, O=C-O, O=C-N, O=C-OH, O=C-OR, O=C-OH,O=C-N,O=C-O, O=C-OH, O=C-NH, O=C-NH2Tyr, Try, Ser, Thr, Asp, GluAsn, Gln, His, Arg

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