Preliminary Assessment of the Chemical Stability of Dried Extracts from Guazuma ulmifolia Lam. (Sterculiaceae)
Typical HPLC chromatograms of stress test samples of the crude extract (CE) and the crude extract + colloidal silicon dioxide (CEA) of Guazuma ulmifolia. (a) CE at time zero; (b) CE at day 21; (c) CEA at time zero; (d) CEA at day 21.
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