abstract |
A process for reducing microbial growth in solutions of sugars extracted from waste materials, the process comprising monitoring indicators of microbial growth in the solution in situ and administering an antimicrobial; a sugar substrate obtained by concentrating a solution of sugar treated using the process; an apparatus for extracting sugars from waste materials, the apparatus comprising a reaction vessel (10), one or more sensors (15,20) for monitoring indicators of microbial growth in the reaction vessel, a software for analysing signals from the sensor and a source of antimicrobial. |