style="text-align:justify;"> In present study, a cultivation experiment was performed on modified substrates for the Flammulina velutipes, which contains 0% (control group), 4.8% (S group), 9.6% (M group) and 14.4% (L group) of fermented apple pomace (FAP) substituting corncob on a dry matter basis. The pH of all substrates was maintained at the required level, although the pH of FAP was low (3.9). Addition of FAP affected the mycelial growth and full colonizing in test groups to a minor degree, but extended the period by one day in L group. The initiations of fruit bodies were extended in all FAP groups by one day, but there was a little difference in terms of total cultivation time duration among groups due to FAP groups showing raise of growth rates in later phase. The effect of FAP on fruit bodies yield was observed clearly: the yield has the positive correlation with increasing levels of FAP. Fruit bodies showed little difference concerning Brix degree, proximate composition, and organic acid profile among groups. In conclusion, it is suggested that FAP can be used as an alternative to corncobs as a F. velutipes substrates raw material.
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