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. 2022 Oct 26;11(21):3376. doi: 10.3390/foods11213376

Table 3.

The main saccharide composition of tea polysaccharides at different pile-fermentation stages of post-fermented tea.

No. Type Compound Name Adduct Formula Retention Time m/z Relative Percentage Proportions (%)
W-0 W-1 W-2 W-3 W-4 W-5 W-6 W-7 C-1
1 Monosaccharides d-arabinose [M-H]- + C5H10O5 0.644 151.06229 0.05 0.07 0.15 0.23 0.24 0.63 0.75 0.69 0.68
2 l-rhamanose [M+H]+ C6H12O5 1.814 164.16 0.01 0.06 0.08 0.18 0.19 0.56 0.59 0.66 0.38
3 d-Glucose [M-H]- C6H12O6 0.651 179.06084 2.86 3.22 4.3 7.27 8.63 8.84 7.62 6.41 3.18
4 d-Mannose [M+Na] + C6H12O6 0.659 180.1564 0.09 0.15 0.38 0.59 0.71 0.83 0.73 0.52 0.39
5 Mannitol [M+H] + C6H14O6 0.651 183.0844 0.08 0.09 0.13 0.27 0.39 0.46 0.59 0.87 1.02
6 d-Glucosamine [M+H]+ C6H13NO5 0.653 180.08598 0.6 0.82 1.61 1.14 1.07 0.94 0.79 0.64 0.21
7 Galactaric acid [M-H]- C6H10O8 0.589 209.0363 0.01 0.19 0.1 0.01 0.13 0.39 0.42 0.47 0.41
8 2-Dehydro-d-gluconic acid [M-H]- C12H24O9 0.612 193.0385 0.78 2.3 5.32 1.18 2.25 4.70 0.73 0.93 1.46
9 Gluconic acid [M-H]- C6H12O7 0.619 195.0581 1.94 4.34 2.65 2.42 6.4 3.62 1.43 1.33 5.50
10 d-Arabitol [M-H]- C5H12O5 0.644 151.0623 0.18 0.29 0.3 0.37 0.69 0.74 0.79 0.74 0.87
11 1,5-Anhydro-d-glucitol [2M+H]+ C6H12O5 0.65 165.0733 0.04 0.15 0.11 0.36 0.25 0.37 0.49 0.30 0.13
12 Oligosaccharides Sucrose M-H]- C12H22O11 0.665 341.1095 9.09 4.78 2.84 1.58 1.58 1.52 1.35 0.98 0.94
13 beta-Maltose [M+H]+ C12H22O11 0.668 343.1214 1.53 0.99 0.62 0.07 0.24 0.43 0.75 0.69 0.08
14 Raffinose M-H]- C18H32O16 0.668 503.1601 3.94 1.96 1.48 0.4 0.08 1.95 1.4 0.77 0.76
15 Maltotriose [M+Na]+ C18H32O16 0.69 527.1572 2.61 2.06 0.64 0.18 0.18 0.4 0.39 0.26 0.08
16 Stachyose M-H]- C24H42O21 0.663 665.2165 0.26 0.24 0.2 0.15 0.11 0.07 0.04 0.03 0.01
17 Monosaccharide and oligosaccharide derivatives Glucose 6-phosphate M-H]- C6H13O9P 0.59 259.0254 0.17 0.59 0.63 0.95 1.29 1.69 1.37 1.17 0.62
18 α-d-Galactose 1-phosphate M-H]- C6H13O9P 9.193 259.1914 0.06 0.11 0.13 0.46 0.64 0.82 0.71 0.73 0.21
20 d-Fructofuranose 6-phosphate [M-H]- C6H13O9P 4.244 259.0333 0.14 0.39 0.31 0.06 0.27 0.54 0.63 0.84 0.28
21 1,6-Digalloyl-beta-d-glucopyranose [M-H]- C20H20O14 3.17 483.0781 0.26 0.27 0.47 0.53 0.63 0.81 0.94 0.71 0.79
22 1,3,6-Tri-O-galloyl-beta-d-glucose [M-H]- C27H24O18 4.057 635.0873 0.08 0.07 0.1 0.54 0.56 0.66 0.59 0.61 0.59
23 1,2,3-Tri-O-galloyl-beta-d-glucose [M-H]- C27H24O18 4.837 635.0877 0.02 0.06 0.12 0.13 0.05 0.1 0.04 0 0.7