Fig. 5

Results of the kinetic model describing the spectrophotometric data of the enzymatic assay to measure alcohol dehydrogenase activity. Results are shown for 3 representative biological apple fruit extracts. Fitted (line) and measured (dots) values are shown. The estimated \( {\text{k}}_{\text{ADH}}^{\prime } \) values were respectively 419 ± 56.5 mol L⁻¹ s⁻¹ kg⁻¹ (triangle), 650 ± 2.2 mol L⁻¹ s⁻¹ kg⁻¹ (circle) and 1682 ± 56.5 mol L⁻¹ s⁻¹ kg⁻¹ (square), all expressed on a total protein weight base