Valuation of agro-industrial wastes as substrates for heterologous production of α-galactosidase

Table 6 ScAGal production parameters during fermentation by K. lactis KGM21

Culture	(U/mL)^a	Y ^b_p/s	Q ^c_p
YPL flask	1.22 ± 0.20	0.061	0.010
YPW flask	4.07 ± 0.22	0.203	0.034
Optimized medium flask	6.08 ± 0.18	0.061	0.051
Optimized medium bioreactor	18.93 ± 1.26	0.190	0.158

^aExtracellular ScAGal activity (μmol min/mL) to pH 4 and 40 °C
^bScAGal yield on substrate available in the production medium (Yp/s = Activity/g)
^cScAGal volumetric productivity in 120 h of culture (Qp = Activity/L h)

ISSN: 1475-2859