A protocol for optimization vinegar fermentation according to the ratio of oxygen consumption versus acid yield

Modeling and optimization of acetic acid fermentation: A polynomial-based approach

“…The optimization of acetic acid fermentation as a biotechnological process has been the subject of much study in recent times -particularly as regards vinegar production [1][2][3][4][5][6]. The complex interdependence of the variables influencing growth and activity in acetic acid bacteria [7][8][9][10] has led to the development of mathematical models for quantifying the relationships between the major variables.…”

Analysis of Bacterial Diversity During Acetic Acid Fermentation of Tianjin Duliu Aged Vinegar by 454 Pyrosequencing

“…Many studies were carried out to investigate the functions of vinegar [22], to provide a new method to monitor the AAF of vinegar [3], and to optimize the fermentation process [24]. Unlike the pure-culture liquid fermentation process for vinegar production in European, traditional solid-state fermentation technology is widely used in China, which includes starch saccharification, alcohol fermentation, and oxidation of ethanol to acetic acid.…”

Enhancement of rice vinegar production by modified semi-continuous culture based on analysis of enzymatic kinetic

“…The period of each fermentation batch was 16 h. As a result, the average acetification rate of whole process is 1.77 g/Lh, while the original is 1.31 g/ Lh. This result is also better than our previous reports [10,16]. In particular, the average acetification rate of the last batch in optimized operation is 1.85 g/Lh, which indicates that it has potential to operate more batches than original one which will decrease the cost of whole process.…”

“…All other chemicals used in these experiments were provided by Sangon Biotech (Shanghai) Co., Ltd, China. Two media are used, and seeds are prepared as described in our previous work [10].…”

“…In our previous work, ratio of oxygen consumption versus acid yield was introduced to evaluate the oxygen utilization efficiency [10]. In general, achieving high-strength vinegar should regulate cellular growth status and aeration strategy simultaneously.…”