Research Article

Differential Response of Oyster Shell Powder on Enzyme Profile and Nutritional Value of Oyster Mushroom Pleurotus florida PF05

Table 1

Influence of different concentrations of OSP on mycelial growth rate and enzyme profile (laccase and Mn peroxidase) of Pleurotus florida PF05.

Substrate combinationsGrowth rate (mmd−1)Laccase activity (Ug−1)Mn peroxidase (Ug−1)

WS (100)c4.66 ± 0.04c0.879 ± 0.006c0.034 ± 0.001c
WS + OSP (99 + 1)6.54 ± 0.07*1.467 ± 0.023*0.053 ± 0.004*
WS + OSP (98 + 2)7.82 ± 0.06*1.762 ± 0.031*0.061 ± 0.007*
WS + OSP (97 + 3)8.91 ± 0.12*2.227 ± 0.046*0.073 ± 0.009*
WS + OSP (95 + 5)7.55 ± 0.15*2.865 ± 0.048*0.085 ± 0.011*
WS + OSP (92 + 8)6.75 ± 0.08*3.133 ± 0.055*0.091 ± 0.009*

WS: wheat straw.
OSP: oyster shell powder.
±: standard deviation ( = 8 for growth rate and = 3 for enzymes).
*Data are significantly different from their respective unsupplemented set in the same column.
cControls.