Table 2.

CP levels and activities of SOD and catalase in S. cerevisiae W303-1A cells under PA treatment

Incubation conditions	CP level (nmol/mg protein)	SOD activity (U/mg protein)	Catalase activity (U/mg protein)
Control (pH 6.75)	12.8 ± 0.5	3167	34.3 ± 4.4
Control (pH 3.0)	12.5 ± 0.9	323 ± 11	33.0 ± 4.3
PA (pH 3.0)
10 mM	ND	310 ± 23	34.3 ± 3.2
50 mM	ND	292 ± 34	33.0 ± 2.5
100 mM	10.1 ± 1.0	348 ± 18	39.0 ± 4.7

ND, not determined.

Data are mean ± SEM (n = 3).