Table 1. Quantifying the intracellular Glutathione in different tissues as a function of time.

Time (h)	Tumor (μmoles of GSH/g tissue weight)	RBC (μmoles of GSH/ml)	Plasma (μmoles of GSH/ml)
0.25	3 ± 0.007	0.38 ± 0.021	0.13 ± 0.029
0.5	4.3 ± 0.019	0.39 ± 0.026	0.16 ± 0.028
1	4.5 ± 0.070	0.45 ± 0.010	0.28 ± 0.127
2	4.9 ± 0.010	0.5 ± 0.11	0.32 ± 0.155
4	4.1 ± 0.010	0.39 ± 0.001	0.23 ± 0.041

Depicting the levels of total glutathione derived from tumor, RBC as a function of time and plasma after injection of 100 μM of unlabeled DT(GSHMe)₂; n = 3