Table 7.

% Cell viability in the presence of varying concentration of disulfides 1 to 4.

Concentration/(mg/ml)	% Cell Viability
	1	2	3	4
20	18.4	-	100.0	100.0
10	23.0	63.7	100.0	100.0
5	62.6	100.0	100.0	100.0
2.5	82.9	100.0	92.1	100.0