Title:
Evaluation of the Influence of Biological Pretreatment with Fungi (Pleurotus Ostreatus) in the Improvement of Alcoholic Fermentation of Mango Residues
Author(s):
Osorio, M., Mastrodomenico, V., Durán-Aranguren, D. , Sierra, R.
Document(s):
Paper
Poster
Abstract:
The main objective of this study is to determine the influence of biological pretreatment with Pleurotus ostreatus in the alcoholic fermentation of mango residues. In order to achieve that, the production of reducing sugars and the enzymatic activity of Laccase, Exopolygalacturonase, and Exoglucanase was evaluated. Also, a compositional analysis of ethanol, methanol, and acetic acid in the fermented extract was carried. Pleurotus ostreatus was inoculated in a 5L bioreactor at 150 rpm at 25°C for 10 days, in which two levels were evaluated: 10 g and 20 g of dried mango per Liter; then, solid and liquid fractions were separated, the liquid was fermented in 1L amber bottles for 10 days with Saccharomyces bayanus yeast, and the solid was treated in order to measure the biomass degradability. The importance of the reactor scale enzymatic activity of exopoligalacturonase and glucanase at the established conditions was verified and no laccases activity was detected. A biomass degradation was observed in both levels, but no significant effect was detected in any of the response variables of interest. As well, no ethanol concentration was detected on the liquid compositional analysis, but acetic acid and methanol production was encountered.
Keywords:
biofuel, biological conversion, agroindustrial residues, pretreatment, hydrolysis, enzymatic process
Topic:
Biomass Conversion to Intermediate Bioenergy Carriers, Sustainable Biofuels and Bio-Based Products
Subtopic:
Bio-Alcohols from Sugars, Starch and Lignocellulosic Biomass
Event:
29th European Biomass Conference and Exhibition
Session:
3AV.6.7
Pages:
799 - 807
ISBN:
978-88-89407-21-9
Paper DOI:
10.5071/29thEUBCE2021-3AV.6.7
Price:
FREE
