Enhanced Thermostability of a Fungal Alkaline Protease by Different Additives

Table 4

Effect of PEG 6000 onthermostability of fungal alkaline protease during 3 h of incubation at 50°C.

Time (min)	Residual activity (%)
	Control	PEG (%)
		5	10	15
0	100	100	100	100
30
60
120
180

Values represent mean ± SD from triplicates. Different small letters in the same row indicate significant difference ().