Table 10.

PHF showing H₂O₂ decomposition activity (GTA method).

Concentration	% inhibition ± SD
	Ascorbic acid	PHF
50 μg/ml	30.1 ± 0.02a	23.2 ± 0.02a
100 μg/ml	50.2 ± 0.05b	38.1 ± 0.023a
150 μg/ml	55.3 ± 0.05b	42.3 ± 0.04b
200 μg/ml	60.2 ± 0.03a	51.1 ± 0.03b
250 μg/ml	80.2 ± 0.025b	78.2 ± 0.05b

Each value represents the mean ± SD, statistical significance compared with control (a: p < 0.01; b: p < 0.001).