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Table 1 Retention time, mass spectral data and concentration of phenolic compounds from green tea extract

From: Green tea increases the survival yield of Bifidobacteria in simulated gastrointestinal environment and during refrigerated conditions

Peak nr. Rt(min) [M + H]+(m/z) Compound Concentration mg/ml
1 3.77 335 Galloylquinic acid 6.18
2 4.17 171 Galic acid 0.59
3 6.66 307 Gallocatechin 4.5
4 9.13 307 Epigallocatechin 7.13
5 10.60 340 Dicafeic acid 0.32
6 11.09 291 Catechin 1.59
7 12.08 195 Caffeine 19.16
8 16.02 291 Epicatechin 3.34
9 17.26 459 Epigallocatechingalate 53.18
10 26.42 304 Ellagic acid 0.82
11 27.91 443 Catechingallate 3.29
12 29.45 466 Quercetin glucoside 0.35