Application of solid-acid catalyst and marine macro-algae Gracilaria verrucosa to production of fermentable sugars

In this study, the hydrolysis of marine macro-algae Gracilaria verrucosa with a solid-acid catalyst was investigated. To optimize the hydrolysis, four reaction factors, including liquid-to-solid ratio, catalyst loading, reaction temperature, and reaction time, were investigated. In the results, the...

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Veröffentlicht in:	Bioresource technology 2015-04, Vol.181, p.1-6
Hauptverfasser:	Jeong, Gwi-Taek, Kim, Sung-Koo, Park, Don-Hee
Format:	Artikel
Sprache:	eng
Schlagworte:	Acids - metabolism Aquatic Organisms - metabolism Biotechnology - methods Carbohydrates - biosynthesis Catalysis Fermentation Gracilaria - metabolism Hydrolysis Temperature Time Factors
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description	In this study, the hydrolysis of marine macro-algae Gracilaria verrucosa with a solid-acid catalyst was investigated. To optimize the hydrolysis, four reaction factors, including liquid-to-solid ratio, catalyst loading, reaction temperature, and reaction time, were investigated. In the results, the highest total reducing sugar (TRS) yield, 61 g/L (51.9%), was obtained under the following conditions: 1:7.5 solid-to-liquid ratio, 15% (w/v) catalyst loading, 140 °C reaction temperature, and 150 min reaction time. Under these conditions, 10.7 g/L of 5-HMF and 2.5 g/L of levulinic acid (LA) were generated. The application of solid-acid catalyst and marine macro-algae resources shows a very high potential for production of fermentable sugars.
doi_str_mv	10.1016/j.biortech.2015.01.038
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subjects	Acids - metabolism Aquatic Organisms - metabolism Biotechnology - methods Carbohydrates - biosynthesis Catalysis Fermentation Gracilaria - metabolism Hydrolysis Temperature Time Factors
title	Application of solid-acid catalyst and marine macro-algae Gracilaria verrucosa to production of fermentable sugars
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