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Table 2 Organic acid secretion by Pseudomonas frederiksbergensis JW-SD2 during phosphate solubilization. Values are given as mean ± SD of three replicates

From: Identification and characterization of the rhizosphere phosphate-solubilizing bacterium Pseudomonas frederiksbergensis JW-SD2, and its plant growth-promoting effects on poplar seedlings

Organic acid Concentration of organic acids (ΞΌg/mL)
24Β h 72Β h 144Β h
Gluconic acid 2155.25 ± 50.05 2102.54 ± 15.87 259.73 ± 48.89
2-Ketogluconic acid 171.14 ± 52.17 363.37 ± 93.55 1.67 ± 2.02
Pyruvic acid 329.29 ± 18.29 10.51 ± 7.44 5.15 ± 4.07
Maleic acid 224.81 ± 25.79 158.19 ± 637 1.36 ± 2.36
Malic acid 219.99 ± 82.73 1377.85 ± 235.21 39.65 ± 51.67
Lactic acid 103.75 ± 15.97 8.69 ± 10.32 ND a
Malonic acid 79.96 ± 16.47 9.03 ± 15.65 11.43 ± 19.80
Acetic acid ND 16.70 ± 28.92 4638.55 ± 574.67
Methanoic acid ND ND 86.76 ± 15.11
Tartaric acid ND ND 18.53 ± 9.14
Oxalic acid ND ND 11.47 ± 10.13
Crylic acid ND ND ND
Citric acid ND ND ND
Total organic acids 3284.19 4046.88 5074.31
  1. aNot detected
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Annals of Microbiology

ISSN: 1869-2044

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