Impact and significance of pretreatment on the fermentable sugar production from low-grade longan fruit wastes for bioethanol production

2020 ◽  
Author(s):  
Tu Vy Thuy Nguyen ◽  
Yuwalee Unpaprom ◽  
Numchok Manmai ◽  
Kanda Whangchai ◽  
Rameshprabu Ramaraj
Keyword(s):  
Low Grade ◽  
Sugar Production ◽  
Bioethanol Production ◽  
Fermentable Sugar ◽  
Fruit Wastes

scholarly journals IMPROVEMENT OF BIOETHANOL PRODUCTION FROM LOW GRADE AND DAMAGED LONGAN FRUITS WITH THERMAL PRETREATMENT AND DIFFERENT TYPES OF THE ENZYMATIC HYDROLYSIS

2020 ◽  
pp. 6-11
Author(s):  
TU VY THUY NGUYEN ◽  
YUWALEE UNPAPROM ◽  
PIYAPAT CHAICHOMPOO ◽  
RAMESHPRABU RAMARAJ
Keyword(s):  
Enzymatic Hydrolysis ◽  
Reducing Sugar ◽  
Total Sugar ◽  
Low Grade ◽  
Sugar Production ◽  
Bioethanol Production ◽  
Thermal Pretreatment ◽  
Hydrolysis Process ◽  
Different Types ◽  
Hydrolysis Of

Pretreatment is a vital step in the enzymatic hydrolysis of biomass and the successive production of bioethanol. The present study is focused on thermal pretreatment (boiling & autoclave) methods of low grade and damaged longan fruits using three different types of the enzymatic sources from commercial cellulase, an enzyme from algae and mixed enzymes (i.e., commercial cellulase with algal enzyme). Total sugar production after the hydrolysis process from commercial cellulase, the enzyme from algae and mixed enzymes were 326.41 ± 08.97 g/L, 348.68 ± 01.95 g/L and 368.42 ± 01.16 g/L, respectively. Reducing sugar after the hydrolysis process generated from commercial cellulase, the enzyme from algae and mixed enzymes was 182.54 ± 03.05 g/L, 183.33 ± 04.70 g/L and 297.78 ± 02.94 g/L, respectively. Fermentation of these hydrolysate using Saccharomyces cerevisiae TISTR 5020 produced the highest ethanol production from using commercial cellulase, the enzyme from algae and mixed enzymes was 16.74 ± 0.62 g/L, 5.38 ± 0.54 g/L and 14.32 ± 1.89 g/L, respectively. Consequently, this study suggested that suitable pretreatment and hydrolysis processes are performing a significant role in bioethanol production from low grade and damaged longan fruits.

scholarly journals Evaluation and Characterization of Forage Sorghum as Feedstock for Fermentable Sugar Production

2008 ◽  
Vol 158 (1) ◽  
pp. 164-179 ◽  
Author(s):  
D. Y. Corredor ◽  
J. M. Salazar ◽  
K. L. Hohn ◽  
S. Bean ◽  
B. Bean ◽  
...  
Keyword(s):  
Sugar Production ◽  
Fermentable Sugar ◽  
Forage Sorghum

Enhanced fermentable sugar production from kitchen waste using various pretreatments

2015 ◽  
Vol 156 ◽  
pp. 290-298 ◽  
Author(s):  
Halimatun Saadiah Hafid ◽  
Nor'Aini Abdul Rahman ◽  
Umi Kalsom Md Shah ◽  
Azhari Samsu Baharudin
Keyword(s):  
Sugar Production ◽  
Fermentable Sugar ◽  
Kitchen Waste
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