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Table 2 Cell growth, sugar consumption, products, and LDHs activities of different strains

From: RETRACTED ARTICLE: Engineering Bacillus licheniformis as a thermophilic platform for the production of l-lactic acid from lignocellulose-derived sugars

Strain Cell density (OD600) Sugar consumed (g/L) Products (g/L) Yield (%) Activity of LDHs
Glucose Xylose Glucose + xylose l-Lactic acid Formic acid Acetic acid Succinic acid Ethanol   
RH01a 6.7 b 113.1 b 73.4 20.1 6.7 0.31 5.5 64.9 0.31
RH02a 7.2 b 113.7 b 96.9 6.7 4.3 0.22 3.2 85.2 0.94
RH02 7.5 58.6 0.72 59.4 53.3 1.7 2.1 < 0.1 1.5 89.7 NDc
RH03 6.6 33.5 13.4 46.9 41.3 1.9 1.8 < 0.1 1.4 88.1 NDc
RH04 6.9 51.8 12.5 64.3 56.4 2.5 2.7 < 0.1 1.8 87.7 NDc
RH05 7.2 57.0 12.3 69.2 61.1 2.5 2.8 < 0.1 1.8 88.3 NDc
RH06 7.4 57.3 14.2 71.5 63.2 2.6 2.8 < 0.1 1.9 88.4 NDc
RH07 7.0 56.2 13.2 69.4 60.9 2.6 2.6 < 0.1 1.8 87.8 NDc
RH08 7.8 57.1 18.0 75.0 66.7 2.7 2.7 < 0.1 2.1 88.9 NDc
RH09 7.4 56.9 15.1 72.0 64.2 2.5 2.9 < 0.1 1.8 89.2 NDc
RH10 7.1 56.2 13.8 70.0 62.2 2.6 2.6 < 0.1 1.9 88.9 NDc
RH11 6.9 56.4 13.4 69.8 61.8 2.8 2.7 < 0.1 1.8 88.5 NDc
  1. The experiments were conducted in 5-L bioreactor with 2.5 L initial medium at 50 °C for 29 h. The initial concentration of mixture sugars was 80 g/L (glucose:xylose = 3:1, w/w). The cultivation was carried out at 50 °C, stirring at 80 rpm. The pH was maintained at 7.0 by automatic addition of 25% (w/v) Ca(OH)2 using a program-controlled peristaltic pump
  2. aThe experiments were carried out only using xylose for 62 h
  3. bNot exist
  4. cWithout measurement