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

Abstract:

: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.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Jeong GT,Kim SK,Park DH

doi

10.1016/j.biortech.2015.01.038

subject

Has Abstract

pub_date

2015-04-01 00:00:00

pages

1-6

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(15)00058-9

journal_volume

181

pub_type

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