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. 2022 May 12;16(1):30. doi: 10.1186/s13065-022-00822-0

Fig. 2.

Fig. 2

MeOH:H2O (%v/v) and extraction time (h) on the extraction efficiency of TPP from Croton macrostachyus: mass of plant root sample (0.5 g); volume of solvent (25 mL; MeOH:H2O); and at room temperature