Enhanced Thermostability of a Fungal Alkaline Protease by Different Additives

Table 5

Effect of NaCl and K₂HPO₄ on thermostability of fungal alkaline protease during 3 h of incubation at 50°C.

Time (min)	Residual activity (%)
	Control	NaCl (M)		K2HPO4 (M)
		0.5	1	0.5	1
0	100	100	100	100	100
30
60
120
180

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