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Issue 39, 2019
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Efficient production of coenzyme Q10 from acid hydrolysate of sweet sorghum juice by Rhodobacter sphaeroides

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Abstract

In order to achieve efficient bioconversion of biomass-derived sugars, acid hydrolysate of sweet sorghum juice (SSJAH) containing abundant fermentable sugars was used for coenzyme Q10 (CoQ10) fermentation by Rhodobacter sphaeroides CQ-09-1. The synthesis of CoQ10 was facilitated when the initial concentration of total sugar was 80.00 g L−1. And the highest CoQ10 titer was obtained when the pH and temperature were maintained at 7.00 and 30.00 °C, respectively. Moreover, corn steep powder (CSP) was proved to be an efficient nitrogen & salt supplement to SSJAH. Under the optimized conditions, the titer of CoQ10 reached 141.95 mg L−1 in a fed-batch fermentation. The CoQ10 titer reported was about two times higher than that obtained in the previous study using wild strains. This process introduces a potential way to produce CoQ10 using the concept of biorefinery, while making full use of sweet sorghum juice (SSJ).

Graphical abstract: Efficient production of coenzyme Q10 from acid hydrolysate of sweet sorghum juice by Rhodobacter sphaeroides

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Article information


Submitted
26 May 2019
Accepted
12 Jul 2019
First published
18 Jul 2019

This article is Open Access

RSC Adv., 2019,9, 22336-22342
Article type
Paper

Efficient production of coenzyme Q10 from acid hydrolysate of sweet sorghum juice by Rhodobacter sphaeroides

Y. Wang, S. Chen, J. Liu, P. Lv, D. Cai and G. Zhao, RSC Adv., 2019, 9, 22336
DOI: 10.1039/C9RA03964C

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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the Centre National de la Recherche Scientifique (CNRS) and the RSC.
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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the European Society for Photobiology, the European Photochemistry Association, and RSC.
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    [Original citation] - Published by The Royal Society of Chemistry.

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