Solid-state fermentation(SSF) is defined as a fermentation process occurring in absence of free flowing water, employing either a natural support or an inert support as a solid material.

• 固态发酵(SSF)指利用自然底物做碳源及能源,或利用惰性底物做固体支持物,其体系无水或接近于无水的任何发酵过程。