NDLI: Chemical composition, saccharification yield, and the potential of the green seaweed Ulva pertusa

Content Provider	Springer Nature Link
Author	Lee, Shin Youp Chang, Jin Hwa Lee, Sun Bok
Copyright Year	2014
Abstract	Recently, seaweeds have gained attention as possible renewable sources for biofuel and bioproduct production. To investigate the possibility of using green seaweeds as biomass feedstocks, the chemical composition and saccharification yield of the green seaweed Ulva pertusa were investigated. In this study, we evaluated U. pertusa that was harvested from the seashore in Jeju Island, Korea. By proximate composition analysis, dried U. pertusa was found to contain 52.3% carbohydrate, 25.1% protein, 0.1% lipid, and 22.5% ash. The elemental analysis of U. pertusa indicated the content of carbon to be 34.9%, hydrogen 5.3%, oxygen 46.5%, nitrogen 3.8%, sulfur 3.1%, and phosphorous 0.12%. The optimal conditions for the acid hydrolysis and saccharification of U. pertusa were investigated by varying the types of catalysts, catalyst concentration, reaction time, reaction temperature, and seaweed concentration. Under optimized acid hydrolysis condition, 32.9% of seaweed was recovered as monosaccharides and the monosaccharide composition was 11.5% D-glucuronic acid and D-glucuronic acid lactone, 11.1% L-rhamnose, 6.7% D-glucose, and 3.7% D-xylose. The concept of degree of reductance was introduced to assess the potential of U. pertusa as an industrial feedstock. It was found that the degree of reductance of U. pertusa was lowest among the biomass considered in this study. Based on the comparison of chemical composition and reductance degree of various biomass resources, the competitiveness of U. pertusa as a biomass feedstock for biofuel and bioproduct production was discussed.
Starting Page	1022
Ending Page	1033
Page Count	12
File Format	PDF
ISSN	12268372
Journal	Biotechnology and Bioprocess Engineering
Volume Number	19
Issue Number	6
e-ISSN	19763816
Language	English
Publisher	The Korean Society for Biotechnology and Bioengineering
Publisher Date	2015-01-16
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ulva pertusa chemical composition acid hydrolysis saccharification yield degree of reductance biomass feedstock Biotechnology Industrial and Production Engineering
Content Type	Text
Resource Type	Article
Subject	Bioengineering Biomedical Engineering Applied Microbiology and Biotechnology Biotechnology

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