<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The traditional CaCO<sub>3</sub>-based fermentation process generates huge amount of insoluble waste. To solve this problem, we have developed an efficient and green D-lactic acid fermentation process by using ammonia as neutralizer. The 106.7 g/l of D-lactic acid production and 0.89 g/g of consumed sugar were obtained by <italic>Sporolactobacillus inulinus</italic> CASD with a high optical purity of 99.7% by adding 100 mg/l betaine in the simple batch fermentation. The addition of betaine was experimentally proven to protect cells at high concentration of ammonium ion, increase D-lactate dehydrogenase specific activity and thus promote the production of D-lactic acid.</p>
</abstract>

The traditional CaCO3-based fermentation process generates huge amount of insoluble waste. To solve this problem, we have developed an efficient and green D-lactic acid fermentation process by using ammonia as neutralizer. The 106.7 g/l of D-lactic acid production and 0.89 g/g of consumed sugar were obtained by Sporolactobacillus inulinus CASD with a high optical purity of 99.7% by adding 100 mg/l betaine in the simple batch fermentation. The addition of betaine was experimentally proven to protect cells at high concentration of ammonium ion, increase D-lactate dehydrogenase specific activity and thus promote the production of D-lactic acid.

Betaine Improves Polymer-Grade D-Lactic Acid Production by <italic>Sporolactobacillus inulinus</italic> Using Ammonia as Green Neutralizer

Polish Journal of Microbiology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Betaine Improves Polymer-Grade D-Lactic Acid Production by  Using Ammonia as Green Neutralizer

The traditional CaCO3-based fermentation process generates huge amount of insoluble waste. To solve this problem, we have developed an efficient and green...

Betaine Improves Polymer-Grade D-Lactic Acid Production by Sporolactobacillus inulinus Using Ammonia as Green Neutralizer

Published Online: Jun 28, 2017

Page range: 273 - 276

Received: Apr 20, 2016

Accepted: Sep 08, 2016

DOI: https://doi.org/10.5604/pjm-2017-273

© 2017 GUOPING LV et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.