@article{fdi:010042655, title = {{G}lucoamylases production of {A}spergillus niger in solid state fermentation using a continuous counter-current reactor}, author = {{V}arzakas, {T}. {H}. and {R}oussos, {S}evastianos and {A}rvanitoyannis, {I}. {S}.}, editor = {}, language = {{ENG}}, abstract = {{T}his work presents the continuous production of fungal biomass and glucoamylase by solid state fermentation ({SSF}) in a counter-current reactor adapted for this purpose. {P}re-germinated conidia of {A}spergillus niger were used as an inoculum, and sugarcane bagasse, embedded with a nutritive solution, was the solid support. {T}he solids residence time distribution ({RTD}) was carried out by feeding one impule of blue-coloured humidified bagasse and its {RTD} was fixed at 20 h. {T}his study demonstrated that the values of the measured parameters (p{H}, moisture, biomass, glucoamylases production) were similar to those reported for batch {SSF} using the same solid support and micro-organism. {A} marked increase in biomass occurred from the progressive compartment (from compartment 1 to 9) into the reactor and the enzyme production was important (40 {IU} g(-1) dry exit solids). {N}o mycelium damage or sporulation was observed by microscopy analysis. {T}he above results confirmed that the continuous production of enzymes by {SSF} under no sterile conditions was successful. {I}noculation with pre-germinated conidia shortened the processing time and allowed control of the age of the mycelium in each compartment. {A}eration was accomplished by natural convection and moisture content had to be controlled. {T}his process can be applied to the continuous production of fungal biomass and metabolites in {SSF} with industrial applications using environmental-friendly biotechnology.}, keywords = {{A}spergillus niger ; {C}ontinuous-production ; {G}lucoamylases ; {P}re-germinated conidia ; {S}olid state fermentation}, booktitle = {}, journal = {{I}nternational {J}ournal of {F}ood {S}cience and {T}echnology}, volume = {43}, numero = {7}, pages = {1159--1168}, ISSN = {0950-5423}, year = {2008}, DOI = {10.1111/j.1365-2621.2007.01582.x}, URL = {https://www.documentation.ird.fr/hor/fdi:010042655}, }