Abstract
The inhibitory capacity of trypsin and elastase of extracts prepared from Achyrocline satureioidehojas flowers, Baccharis trimera leaves, Eugenia uniflora fruits and Schinus molle fruits was studied. The extracts showed differences for the same plant material depending on using water or ethanol as solvents, and were obtained under different time and temperature conditions. The elastase inhibitory action was low (< 30%) or almost absent in the extracts tested. For trypsin, all extracts showed inhibitory action and significant differences depending on solvent used, regardless of the extraction temperature. Extracts of S. molle showed the most potent inhibitory activity for trypsin. The aqueous extract of this plant obtained at 100 °C was selected to determine IC50 and inhibition type.
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