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Synergistic enzymatic saccharification and fermentation of agar for biohydrogen production.

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Title: Synergistic enzymatic saccharification and fermentation of agar for biohydrogen production.
Authors: Wu, Yi-Rui1, Zhang, Mingming1, Zhong, Mingqi1, Hu, Zhong1
Source: Bioresource Technology. Oct2017, Vol. 241, p369-373. 5p.
Subjects: Agarase, Marine biomass, Biomass energy, Enterobacter, Response surfaces (Statistics), Saccharides, Fermentation
Abstract: Nowadays, marine biomass is gradually considered as another utilizable material for the sustainable bioenergy development. In the present study, galactose, the main component of agar polysaccharide, was utilized for the biohydrogen production by Enterobacter sp. CN1. The highest hydrogen yield of 303.2 mL/g was obtained in the cultivation media containing 5.87 g/L of galactose, together with initial pH of 7.3 and incubation temperature of 36 °C, after the response surface methodology (RSM) analysis. After the saccharification process by the agarase (AgaXa) and neoagarobiose hydrolase (NH852), the agar hydrolysate obtained was further applied to generate biohydrogen by strain CN1. Under the synergistic enzymatic saccharification and fermentation process, the production of biohydrogen was obtained to be 5047 ± 228 mL/L from 50 g/L of agar, resulting in 3.86-fold higher than the control without enzymatic pretreatment. [ABSTRACT FROM AUTHOR]
Copyright of Bioresource Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 124076108
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Synergistic enzymatic saccharification and fermentation of agar for biohydrogen production.
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  Data: <searchLink fieldCode="AR" term="%22Wu%2C+Yi-Rui%22">Wu, Yi-Rui</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Mingming%22">Zhang, Mingming</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhong%2C+Mingqi%22">Zhong, Mingqi</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Hu%2C+Zhong%22">Hu, Zhong</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Bioresource+Technology%22">Bioresource Technology</searchLink>. Oct2017, Vol. 241, p369-373. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Agarase%22">Agarase</searchLink><br /><searchLink fieldCode="DE" term="%22Marine+biomass%22">Marine biomass</searchLink><br /><searchLink fieldCode="DE" term="%22Biomass+energy%22">Biomass energy</searchLink><br /><searchLink fieldCode="DE" term="%22Enterobacter%22">Enterobacter</searchLink><br /><searchLink fieldCode="DE" term="%22Response+surfaces+%28Statistics%29%22">Response surfaces (Statistics)</searchLink><br /><searchLink fieldCode="DE" term="%22Saccharides%22">Saccharides</searchLink><br /><searchLink fieldCode="DE" term="%22Fermentation%22">Fermentation</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Nowadays, marine biomass is gradually considered as another utilizable material for the sustainable bioenergy development. In the present study, galactose, the main component of agar polysaccharide, was utilized for the biohydrogen production by Enterobacter sp. CN1. The highest hydrogen yield of 303.2 mL/g was obtained in the cultivation media containing 5.87 g/L of galactose, together with initial pH of 7.3 and incubation temperature of 36 °C, after the response surface methodology (RSM) analysis. After the saccharification process by the agarase (AgaXa) and neoagarobiose hydrolase (NH852), the agar hydrolysate obtained was further applied to generate biohydrogen by strain CN1. Under the synergistic enzymatic saccharification and fermentation process, the production of biohydrogen was obtained to be 5047 ± 228 mL/L from 50 g/L of agar, resulting in 3.86-fold higher than the control without enzymatic pretreatment. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Bioresource Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.biortech.2017.05.117
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 5
        StartPage: 369
    Subjects:
      – SubjectFull: Agarase
        Type: general
      – SubjectFull: Marine biomass
        Type: general
      – SubjectFull: Biomass energy
        Type: general
      – SubjectFull: Enterobacter
        Type: general
      – SubjectFull: Response surfaces (Statistics)
        Type: general
      – SubjectFull: Saccharides
        Type: general
      – SubjectFull: Fermentation
        Type: general
    Titles:
      – TitleFull: Synergistic enzymatic saccharification and fermentation of agar for biohydrogen production.
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            NameFull: Wu, Yi-Rui
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            NameFull: Zhang, Mingming
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            NameFull: Zhong, Mingqi
      – PersonEntity:
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            NameFull: Hu, Zhong
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          Dates:
            – D: 01
              M: 10
              Text: Oct2017
              Type: published
              Y: 2017
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              Value: 09608524
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              Value: 241
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            – TitleFull: Bioresource Technology
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