Research Article

Twenty Traditional Algerian Plants Used in Diabetes Therapy as Strong Inhibitors of α-Amylase Activity

Figure 3

Dixon plots of inhibition of α-amylase according to the total phenol concentration of the aqueous fraction plant of (a) Cistus; (b) Equisetum arvense (the grains); (c) Matricaria pubescens; (d) Oudneya africana (the pods); (e) Salvia officinalis; (f) Thapsia garganica. Activity was determined by formation of maltose at several substrate concentrations ranging from 0.2 to 0.6 g/L.
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