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Enhancing the Fermentation of Acidified Food Waste Using a Self-formulated Thermophilic and Acid-resistant Bacterial Agent by Dandan Liu; Xinxin Ma; Jianli Huang; Zhifei Shu; Xu Chu; Yangyang Li; Yiying Jin is a scholarly article available to read on EtoBox.

What is Enhancing the Fermentation of Acidified Food Waste Using a Self-formulated Thermophilic and Acid-resistant Bacterial Agent about?

Food waste is easy to acidify food waste due to its high content of organic matter. But commercial bacterial agents rarely consider acid resistance as a factor, leading the low fermentation efficiency and poor product quality. In this study, the optimal operation mode of a self-formulated bacterial agent was established, and the fermentation of acidified food waste using our formulation was found to be enhanced in comparison with fermentation using existing commercial bacteria. Response surface methodology (RSM) was used to explore the optimal fermentation conditions of the self-formulated bacterial agent, which was determined to be acid-and high-temperature resistant in our preliminary study. Additionally, using a laboratory simulation experiment of fermenting acidified food waste at a high temperature and in aerobic conditions, the overall superiority of our self-formulated bacterial agent on fermentation was determined in comparison with three types of commercially available microbial agents. RSM results showed that the optimum fermentation conditions were 10% (w/w), medium-level ventilation mode, and temperature-controlled heating. Results of the simulated fermentation experime

Author

Dandan Liu; Xinxin Ma; Jianli Huang; Zhifei Shu; Xu Chu; Yangyang Li; Yiying Jin

Publisher

Elsevier BV

Published

2022

Language

EN