By Ashok Pandey, Carlos Ricardo Soccol, Christian Larroche
Over the interval of final 20 years, there was major resurgence in solid-state fermentation as a result a variety of advantages it deals, specifically within the engineering and environmental features. SSF has proven a lot promise within the improvement of numerous bioprocesses and items. This resurgence won additional momentum over the past 5-6 years with the advancements in basic and utilized points. a great deal of info has been generated in released literature and patented info. a number of advertisement ventures have arise according to SSF in numerous components of the world.The contents are geared up into 4 components: half 1 offers with the final and basics elements of SSF; half 2 bargains with the construction of bulk chemical substances and items akin to enzymes, natural acids, spores and mushrooms in SSF; half three is at the use of SSF for forte chemical substances reminiscent of gibberellic acid, antibiotics and different pharmaceutically worthwhile secondary metabolites, pigments, and aroma compounds; half four bargains with using SSF miscellaneous software resembling SSF for nutrition and feed purposes, agro-industrial residues as substrates in SSF and the construction of silage and vermicompost.
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Extra resources for Current Developments in Solid-state Fermentation
In a case where the optimum moisture level for growth for employed micro-organism is relatively low, this could be a natural barrier to possible contaminants. In this case the need of a sterilization treatment could be less rigorous or even absent. In relation to water interchange in the system, a good measure is provided by the interchange between the substrate and airflow. The mass transfer mechanism between the different components of the substrate and the airflow is studied by Thermodynamics, based on the free energy concept.
Biotechnology and Bioengineering, 25, 802-808. Saucedo-Castafieda G, Lonsane BK, Navarro JM, Roussos S & Raimbault M, 1992, Importance of medium pH in solid state fermentation for growth of Schwanniomyces castellii. Letters in Applied Microbiology, 15, 164-167. Smits JP, Rinzema A, Tramper J, van Sonsbeek HM, Hage JC, Kaynak A & Knol W, 1998, The influence of temperature on kinetics in solid-state fermentation. Enzyme and Microbial Technology, 22, 50-57. iiiiiiiiiiiiiiiiii ~,~i~.............. iiiiiiiiii!
10 The Eq. 9 showed an exponential pattern like it was expected considering that it was assumed an exponential model for the growth of the micro-organism. On the other hand, in Eq. 10, the dry air demand (Wg) is expressed as a function of outlet temperature (Tout), the maximum specific growth rate deduced from the exponential phase (g) and the absolute humidity of the exhaust air (Hour). For resolving this equation, the variability of the absolute humidity (Hour) as a function of the exhausted air temperature from the fermenter must be calculated.
Current Developments in Solid-state Fermentation by Ashok Pandey, Carlos Ricardo Soccol, Christian Larroche
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