D-fructose + NADP(+) <=> 5-dehydro-D-fructose + NADPH + H(+)
d-fructose + nadp(+) <=> 5-dehydro-d-fructose + nadph + h(+)
D-fructose + NADP(+) <=> 5-dehydro-D-fructose + NADPH + H(+)
d-fructose + nadp(+) <=> 5-dehydro-d-fructose + nadph + h(+)