Abstract

A laboratory exercise for Health Science Biochemistry students to study the effect of aspartame concentration on sweetness has been developed. The concentration dependence of the absorbance of aspartame at 257 nm is also studied. Data from all members of the class are averaged and plotted on the same graph as absorbance and taste rating vs. [aspartame]. The absorbance plot follows Beer's law while the taste rating plot displays the typical hyperbolic response of protein-ligand binding plots. This laboratory exercise illustrates the concept of binding saturation to students.

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