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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Bibliographic Details
Published inBioresource technology Vol. 181; pp. 1 - 6
Main Authors Jeong, Gwi-Taek, Kim, Sung-Koo, Park, Don-Hee
Format Journal Article
LanguageEnglish
Published England 01.04.2015
Subjects
Acids - metabolism
Aquatic Organisms - metabolism
Biotechnology - methods
Carbohydrates - biosynthesis
Catalysis
Fermentation
Gracilaria - metabolism
Hydrolysis
Temperature
Time Factors
Gracilaria verrucosa
Solid acid catalyst
Fermentable sugar
Macro-algae
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Summary: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.
Bibliography:ObjectType-Article-1
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ISSN:0960-8524
1873-2976
DOI:10.1016/j.biortech.2015.01.038