Enhanced Thermostability of a Fungal Alkaline Protease by Different Additives

Table 1

Effect of CaCl₂ and MgCl₂ on thermostability of fungal alkaline protease during 3 h of incubation at 50°C.

Time (min)	Residual activity (%)
	Control	CaCl2 (mM)			MgCl2 (mM)
		5	10	20	5	10	20
0	100	100	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 ().