Figure 8.

Life time ${\tau }_0$ in the absence of oxygen and $K_{SV}\left(T\right)$ calculated in various conditions at 20 ${}^{\circ }$C; x-axis labels refer to (1) just prepared membrane in air; (2) in air after heat treatment at 90 °C for 24 h; (3) in water; (4) in white wine; (5) in red wine; (6) in 12% ethanol solution; (7) in water after (6); (8) in water after heat treatment at 90 °C for 24 h.