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The plasma concentration vs. time profiles of arctigenin in rats after intragastric administration (i.g), hypodermic injection (i.h), and intravenous injection (i.v) arctigenin (2.687 μmol/kg). The results are shown using normal (A) or semilogarithmic coordinates (B). (n = 6 per treatment group; results are presented as the mean ± SD).
