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. 2021 May 28;10(6):1232. doi: 10.3390/foods10061232

Table 3.

The contents (mg/g DW) of main phytochemicals in Fenghuang Danzong and Selenium-Enriched Dark Tea.

Main Phytochemicals Fenghuang Danzong Tea Selenium-Enriched Dark Tea
gallic acid 7.661 ± 0.313 27.765 ± 0.598
gallocatechin 2.732 ± 0.0795 7.950 ± 0.135
epigallocatechin 4.424 ± 0.0221 14.140 ± 0.436
catechin 2.672 ± 0.065 3.001 ± 0.032
chlorogenic acid - -
caffeine 27.185 ± 0.316 24.284 ± 0.303
epigallocatechin gallate 78.696 ± 1.119 15.441 ± 0.428
epicatechin 1.609 ± 0.013 4.261 ± 0.094
gallocatechin gallate 11.499 ± 0.224 4.980 ± 0.207
epicatechin gallate 3.954 ± 0.085 1.585 ± 0.033
catechin gallate 0.816 ± 0.011 -
ellagic acid 0.408 ± 0.021 -
myricetin - -
quercitrin - -
astragalin 0.365 ± 0.006 0.794 ± 0.101
quercetin - -
theaflavin - -
kaempferol - -

Note: -, not determined; DW, dry weight of tea.