Table 3.

Areas under the g(s^*)^a curves as a function of amount of iron and conditions of exposure.

Total ironb	Low flux	%Apo-HoSFc	High flux	%Apo-HoSFc
500	0.776	91	0.926	109
1000	0.804	95	0.705	83
1500	0.675	80	0.510	60
2000	0.635	75	0.662	78
2500	0.481	57	0.734	86

^aAreas reflect the correction for the effect of added iron on the refractive increment (Materials and methods).

^bAverage amount of iron added to the sample

^cRelative area of the iron-loaded samples to that seen with an identical concentration (0.25 mg/mL) of apo-HoSF, which resulted in an area of 0.851.