1.17.1.5	-20°C, increase of activity in crude extract	
1.17.1.5	room temperature, 50 mM Tris-HCl buffer, pH 8.2, after 1 day 40% loss of hydroxylase activity, after 7 days 62% loss of hydroxylase activity, NADPH oxidase and diaphorase activity of enzyme are more stable	
1.17.1.5	room temperature, pH8, 9 days, 75% loss of hydroxylase activity