Tissue Distribution of Total Flavonoids Extracts of Drynariae Rhizoma in Young and Old Rats by UPLC–MS/MS Determination

Figure 3

Concentrations of seven analytes in rat tissues at 0.25, 0.5, 1, 2, 4, 8, and 12 h after oral administration of TFDR in 8-month-old rats (left) and 18-month-old rats (right).

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(b)