In Vitro Bioactivity of Methanolic Extracts from Amphipterygium adstringens (Schltdl.) Schiede ex Standl., Chenopodium ambrosioides L., Cirsium mexicanum DC., Eryngium carlinae F. Delaroche, and Pithecellobium dulce (Roxb.) Benth. Used in Traditional Medicine in Mexico

Figure 3

Neutral red uptake of Caco-2 after 24 h exposure to different methanolic extracts: (a) bark of A. adstringens (400 μg/ml CBM); (b) whole plant of C. mexicanum (400 μg/ml CsM); (c) flowers of C. mexicanum (480 μg/ml CsFM); (d) whole plant of E. carlinae (500 μg/ml HsM). (e) Methanol as negative control and (f) H₂O₂ as positive control.

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