Free-nutrient supply and thermo-alkaline conditions for direct lactic acid production from mixed lignocellulosic and food waste materials

MA Abdel-Rahman, SED Hassan, MM Roushdy… - Bioresource Technology …, 2019 - Elsevier
This study aimed to achieve effective lactic acid (LA) production from waste materials. From
natural sources on banana peels-containing media, 253 bacterial isolates were obtained.
Isolate FW26 was selected for LA production from untreated banana peels (no pre-
treatment) at pH 9.0 and 50° C. It was identified as Enterococcus faecium strain FW26 using
16S rRNA sequencing. The optimal solid-to-liquid ratio was 1: 10 (w/v) achieving LA at 15.9
g L− 1 from direct utilization of banana peels. Utilization of co-substrates achieved positive …
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