Biotechnology for Biofuels and Bioproducts

Table 1 Effects of metal ions on the activity of AmRha

From: Efficient production of icariin and baohuoside I from Epimedium Folium flavonoids by fungal α-l-rhamnosidase hydrolysing regioselectively the terminal rhamnose of epimedin C

Metal ions	Residual enzyme activity %
Metal ions	1 mmol/L	3 mmol/L
Control	100	100
Fe³⁺	92.65	112.78
Ni²⁺	98.98	99.80
Na⁺	98.78	98.58
Sr²⁺	98.37	99.19
Ca²⁺	98.98	98.38
Cu²⁺	83.88	9.33
Li⁺	100.00	99.80
Co²⁺	100.20	101.83
Zn²⁺	91.63	87.02
Mn²⁺	106.33	106.29
Mg²⁺	98.57	97.97
Ba²⁺	98.57	96.35
K⁺	99.80	100.20
Hg⁺	0.61	1.01
EDTA	101.02	98.99
Al³⁺	100.61	93.71
NH⁴⁺	102.45	100.81
Fe²⁺	106.12	124.95

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ISSN: 2731-3654

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