Table 1 Casein-derived peptides identified in the <3 kDa fraction of the casein hydrolysate obtained by fermentation of Bifidobacterium longum KACC 91563 (Chang et al., 2013)

Casein Peptide sequence Precursor Theoretical z
MW m/z MW m/z
β-CN f1-14, RELEELNVPGEIVE 1,623.8181 812.9163 1,623.8468 812.9307 2
f127-138, LTDVENLHLPLP 1,359.7151 680.8648 1,359.7399 680.8772 2
f129-138, DVENLHLPLP 1,145.5861 573.8003 1,145.6080 573.8113 2
f139-154, LLQSWMHQPHQPLPPT 1,924.9486 642.6568 1,924.9618 642.6612 3
f162 176, VLSLSQSKVLPVPQK 1,621.9622 541.6613 1,621.9767 541.6662 3
f162 174, VLSLSQSKVLPVP 1,365.7982 683.9064 1,365.8231 683.9188 2
f162-189, VLSLSQSKVLPVPQKAVPYPQRDMPIQA 3,104.6990 777.1820 3,105.6897 777.4297 4
f177-190, AVPYPQRDMPIQAF 1,631.7853 816.8999 1,631.8130 816.9138 2
f190-202, FLLYQEPVLGPVR 1,529.8336 765.9241 1,529.8606 765.9376 2
f191-209, LLYQEPVLGPVRGPFPIIV 2,106.2126 703.0782 2,106.2241 703.0820 3
f191-206, LLYQEPVLGPVRGPFP 1,780.9554 891.4850 1,780.9875 891.5011 2
f191-202, LLYQEPVLGPVR 1,382.7690 692.3918 1,382.7922 692.4034 2
f192-209, LYQEPVLGPVRGPFPIIV 1,993.1140 997.5643 1,993.1400 997.5773 2
f193-206, YQEPVLGPVRGPFP 1,554.7985 778.4065 1,554.8195 778.4170 2
f193-209, YQEPVLGPVRGPFPIIV 1,880.0200 941.0173 1,880.0560 941.0353 2
f194-209, QEPVLGPVRGPFPIIV 1,716.9686 859.4916 1,716.9927 859.5036 2
f195-209, EPVLGPVRGPFPIIV 1,588.9083 795.4614 1,588.9341 795.4743 2
f197-209, VLGPVRGPFPIIV 1,362.8131 682.4138 1,362.8387 682.4266 2
f199-209, GPVRGPFPIIV 1,150.6675 576.3410 1,150.6863 576.3504 2
αS1-CN f8-23, HQGLPQEVLNENLLRF 1,905.9950 636.3389 1,906.0061 636.3427 3
f8-22, HQGLPQEVLNENLLR 1,758.9219 587.3146 1,758.9376 587.3198 3
f10-23, GLPQEVLNENLLRF 1,640.8618 821.4382 1,640.8886 821.4516 2
f10-22, GLPQEVLNENLLR 1,493.8003 747.9074 1,493.8202 747.9174 2
f11-23, LPQEVLNENLLRF 1,583.8389 792.9267 1,583.8672 792.9409 2
f11-22, LPQEVLNENLLR 1,436.7737 719.3941 1,436.7987 719.4066 2
f12-22, PQEVLNENLLR 1,323.6910 662.8528 1,323.7147 662.8646 2
f14-23, EVLNENLLRF 1,245.6467 623.8306 1,245.6718 623.8431 2
f15-23, VLNENLLRF 1,116.6080 559.3113 1,116.6292 559.3218 2
f24-36, FVAPFPEVFGKEK 1,493.7756 498.9325 1,493.7919 498.9379 3
f24-35, FVAPFPEVFGKE 1,365.6743 683.8444 1,365.6969 683.8557 2
f179-199, FSDIPNPIGSENSEKTTMPLW 2,378.0972 793.7063 2,378.1101 793.7106 3
κ-CN f40-54, LNYYQQKPVALINNQ 1,804.9138 903.4642 1,804.9471 903.4809 2
f55-72, FLPYPYYAKPAAVRSPAQ 2,038.0420 680.3546 2,038.0676 680.3632 3
1MW = molecular weight; m/z = mass to change ratio, where z = number of positively charged ions.