Your browser does not fully support modern features. Please upgrade for a smoother experience.
Submitted Successfully!
Thank you for your contribution! You can also upload a video entry or images related to this topic. For video creation, please contact our Academic Video Service.
Version Summary Created by Modification Content Size Created at Operation
1 Yu Peng -- 141 2026-10-25 09:37:34 |
2 delete taxonomy path Yu Peng -12 word(s) 129 2026-10-25 09:37:48 |

Video Upload Options

We provide professional Academic Video Service to translate complex research into visually appealing presentations. Would you like to try it?
No, upload directly Yes
Cite
If you have any further questions, please contact Encyclopedia Editorial Office.
Peng, Y. Dark Fermentation. Encyclopedia. Available online: https://encyclopedia.pub/entry/61413 (accessed on 12 November 2026).
Peng Y. Dark Fermentation. Encyclopedia. Available at: https://encyclopedia.pub/entry/61413. Accessed November 12, 2026.
Peng, Yu. "Dark Fermentation" Encyclopedia, https://encyclopedia.pub/entry/61413 (accessed November 12, 2026).
Peng, Y. (2026, October 25). Dark Fermentation. In Encyclopedia. https://encyclopedia.pub/entry/61413
Peng, Yu. "Dark Fermentation." Encyclopedia. Web. 25 October, 2026.

Dark Fermentation

Edit

Dark fermentation is microbial conversion of organic substrates into hydrogen and other fermentation products without a requirement for light energy. Anaerobic substrate breakdown generates reducing equivalents that can be transferred to hydrogen-producing enzymes [1]. The culture may contain multiple microbial populations whose metabolic activities distribute carbon and electrons among hydrogen, organic acids, and other products [2]. Complex feedstocks must first yield compounds accessible to the fermenting organisms, connecting substrate hydrolysis to downstream hydrogen formation [3]. Competing metabolic branches consume the same intermediates and reducing equivalents, so changes in pathway flux alter the product distribution [4]. Hydrogen leaves the liquid phase through gas transfer, while soluble fermentation products remain in the medium. These linked biological and transport processes establish the evolving composition of the fermenting culture [5].

fermentative hydrogen anaerobic metabolism organic substrates reducing equivalents
Help expand this entry Share your expertise by adding detailed content and references to improve this entry.
Add content

References

  1. Patrick C. Hallenbeck; Dipankar Ghosh; Advances in Fermentative Biohydrogen Production: the Way Forward?. Trends Biotechnol. 2009, 27, 287-297. [CrossRef]
  2. Lea Cabrol; Antonella Marone; Estela Tapia-Venegas; Jean-Philippe Steyer; Gonzalo Ruiz-Filippi; Eric Trably; Microbial Ecology of Fermentative Hydrogen Producing Bioprocesses: Useful Insights for Driving the Ecosystem Function. FEMS Microbiol. Rev. 2017, 41, 158-181. [CrossRef]
  3. Nanqi Ren; Aijie Wang; Guangli Cao; Jifei Xu; Lingfang Gao; Bioconversion of Lignocellulosic Biomass to Hydrogen: Potential and Challenges. Biotechnol. Adv. 2009, 27, 1051-1060. [CrossRef]
  4. Guiqin Cai; Bo Jin; Paul Monis; Chris Saint; Metabolic Flux Network and Analysis of Fermentative Hydrogen Production. Biotechnol. Adv. 2011, 29, 375-387. [CrossRef]
  5. Xiao Xiao; Meng He; Yanning Hou; Bilal Abdullahi Shuaibu; Wenjian Dong; Chao Liu; Binghua Yan; Driving Sustainable Energy Co-Production: Gas Transfer and Pressure Dynamics Regulating Hydrogen and Carboxylic Acid Generation in Anaerobic Systems. Processes 2025, 13, 2343. [CrossRef]
More
©Text is available under the terms and conditions of the Creative Commons-Attribution ShareAlike (CC BY-SA) license; additional terms may apply. By using this site, you agree to the Terms and Conditions and Privacy Policy.
Upload a video for this entry
Information
Subjects: Biochemistry & Molecular Biology
Contributor MDPI registered users' name will be linked to their SciProfiles pages. To register with us, please refer to https://encyclopedia.pub/register : Yu Peng
View Times: 8
Entry Collection: Biosynthesis and Synthetic Biology
Revisions: 2 times (View History)
Update Date: 25 Oct 2026
Table of Contents
    Notice
    You are not a member of the advisory board for this topic. If you want to update advisory board member profile, please contact office@encyclopedia.pub.
    OK
    Confirm
    Only members of the Encyclopedia advisory board for this topic are allowed to note entries. Would you like to become an advisory board member of the Encyclopedia?
    Yes
    No
    ${ textCharacter }/${ maxCharacter }
    Submit
    Cancel
    There is no comment~
    ${ textCharacter }/${ maxCharacter }
    Submit
    Cancel
    ${ selectedItem.replyTextCharacter }/${ selectedItem.replyMaxCharacter }
    Submit
    Cancel
    Confirm
    Are you sure to Delete?
    Yes No
    Write an Entry
    Feedback