期刊
BIORESOURCE TECHNOLOGY
卷 181, 期 -, 页码 1-6出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.01.038
关键词
Macro-algae; Gracilaria verrucosa; Solid acid catalyst; Fermentable sugar
资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology [2012R1A1A2006718]
- National Research Foundation of Korea [2012R1A1A2006718] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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 degrees 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. (C) 2015 Elsevier Ltd. All rights reserved.
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