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Table 1 Organic acid analysis of edible food plants and milk under E. coli treatments (0 h, 24 h, and 72 h) using GC-MS

From: Microbial production of dicarboxylic acids from edible plants and milk using GC-MS

Species and family Common name and edible part E. coli treatment (h) Citric acid (mg/g DW) Succinic acid (mg/g DW) Fumaric acid (mg/g DW) Malic acid (mg/g DW) Source of variation F-ratios HSD
Triticum aestivum L. Wheat grain 0 1.97 ± 0.24 0.46 ± 0.08 0.29 ± 0.03 0.93 ± 0.27 Acids 183 7.09
Fam. Poaceae 24 1.39 ± 0.10 32.48 ± 5.35 0.27 ± 0.05 0.81 ± 0.20 Time 49  
72 1.28 ± 0.09 45.12 ± 8.05 0.27 ± 0.005 0.58 ± 0.10 Interaction 52  
Zea mays L. Maize/corn grain 0 4.56 ± 0.36 0.47 ± 0.10 0.22 ± 0.07 0.59 ± 0.10 Acids 157 3.28
Fam. Poaceae 24 1.29 ± 0.02 4.21 ± 0.79 0.23 ± 0.05 0.59 ± 0.08 Time 107  
72 1.40 ± 0.29 30.77 ± 4.50 0.26 ± 0.04 0.61 ± 0.07 Interaction 126  
Vigna mungo (L.) Urad bean/Maah seeds 0 19.71 ± 3.68 0.72 ± 0.03 0.24 ± 0.05 0.86 ± 0.14 Acids 237 5.64
Hepper 24 ND 30.21 ± 5.82 0.35 ± 0.05 0.87 ± 0.14 Time 68  
Fam. Fabaceae 72 1.42 ± 0.23 34.10 ± 5.21 2.88 ± 0.96 0.83 ± 0.23 Interaction 59  
Lens culinaris Medicus Lentil/Masoor seeds 0 10.44 ± 2.59 5.40 ± 0.88 0.24 ± 0.08 0.84 ± 0.19 Acids 253 7.08
Fam. Fabaceae 24 1.80 ± 0.30 48.24 ± 8.24 1.56 ± 0.24 0.72 ± 0.08 Time 33  
72 1.36 ± 0.31 43.93 ± 5.48 0.24 ± 0.07 1.30 ± 0.19 Interaction 59  
Pisum sativum L. Peas seeds 0 82.43 ± 17.34 1.81 ± 0.04 0.76 ± 0.004 5.39 ± 0.63 Acids 59 3.69
Fam. Fabaceae 24 5.14 ± 1.05 3.87 ± 0.04 1.35 ± 0.042 2.32 ± 0.50 Time 41  
72 4.67 ± 1.13 35.28 ± 5.93 0.80 ± 0.004 3.07 ± 0.67 Interaction 70  
Phaseolus vulgaris L. Kidney beans/Rajmaah seeds 0 6.82 ± 1.80 1.75 ± 0.28 0.22 ± 0.069 1.45 ± 0.10 Acids 121 5.23
Fam. Fabaceae 24 11.41 ± 1.94 2.02 ± 0.16 0.37 ± 0.092 0.60 ± 0.11 Time 78  
72 1.50 ± 0.26 45.74 ± 6.72 0.29 ± 0.058 0.72 ± 0.08 Interaction 133  
Cicer arietinum L. Chickpea/black gram seeds 0 4.90 ± 0.65 23.22 ± 3.71 0.22 ± 0.02 Nd Acids 291 3.71
var. black gram 24 1.31 ± 0.19 25.67 ± 5.48 0.23 ± 0.05 Nd Time 255  
Fam. Fabaceae var. 72 1.32 ± 0.25 81.81 ± 7.93 0.22 ± 0.03 Nd Interaction 274  
Cicer arietinum L. Chickpea/white gram/Kabuli gram seeds 0 21.72 ± 4.47 42.31 ± 5.21 0.22 ± 0.03 0.60 ± 0.09 Acids 362 5.37
var. White gram 24 1.50 ± 0.35 24.24 ± 2.64 0.54 ± 0.05 0.59 ± 0.04 Time 93  
Fam. Fabaceae 72 1.47 ± 0.24 19.44 ± 3.09 0.44 ± 0.06 0.60 ± 0.10 Interaction 33  
Solanum tuberosum L. Potato tubers 0 6.06 ± 1.16 3.01 ± 0.19 0.87 ± 0.19 2.43 ± 0.53 Acids 2844 0.110
Fam. Solanaceae 24 5.67 ± 0.77 18.82 ± 2.91 0.97 ± 0.24 2.47 ± 0.005 Time 1985  
72 5.38 ± 0.97 2.43 ± 0.48 0.92 ± 0.29 2.43 ± 0.44 Interaction 1969  
Solanum lycopersicum L. Tomato fruits 0 77.72 ± 11.7 52.73 ± 11.04 2.50 ± 0.92 6.71 ± 0.92 Acids 144 3.50
Fam. Solanaceae 24 204.09 ± 29.1 275.36 ± 44.7 2.50 ± 0.65 6.58 ± 1.18 Time 153  
72 27.88 ± 4.20 35.37 ± 6.57 2.50 ± 0.65 6.58 ± 1.05 Interaction 56  
Brassica oleracea. White cauliflower inflorescence 0 16.22 ± 1.31 2.17 ± 0.05 2.11 ± 0.006 9.99 ± 1.78 Acids 920 0.358
var. botrytis L. 24 6.79 ± 1.08 35.80 ± 0.45 1.08 ± 0.011 2.97 ± 0.05 Time 199  
Fam. Brassicaceae 72 6.74 ± 1.14 14.62 ± 0.17 1.08 ± 0.40 2.91 ± 0.22 Interaction 626  
Malus pumila Miller Apple mesocarp of the fruit 0 5.81 ± 0.45 1.89 ± 0.05 0.97 ± 0.25 2.70 ± 1.73 Acids 121 2.34
Fam. Rosaceae 24 Nd 44.83 ± 7.85 0.97 ± 0.35 2.96 ± 0.51 Time 32  
72 Nd 36.11 ± 9.28 0.97 ± 0.005 3.01 ± 0.51 Interaction 32  
Musa paradisiaca Banana mesocarp of the fruit 0 15.16 ± 2.64 8.55 ± 1.17 0.70 ± 0.18 5.87 ± 0.44 Acids 451 7.93
Colla 24 87.71 ± 18.05 207.58 ± 17.5 0.66 ± 0.11 2.06 ± 0.36 Time 152  
Fam. Musaceae 72 4.07 ± 0.40 233.01 ± 25.6 0.70 ± 0.22 2.75 ± 0.22 Interaction 125  
Vitis vinifera L. Grapes Fruits 0 24.31 ± 5.19 5.66 ± 0.94 2.60 ± 0.82 34.46 ± 6.01 Acids 345 5.88
Fam. Vitaceae 24 12.86 ± 2.12 504.57 ± 57.46 2.24 ± 0.59 7.20 ± 1.41 Time 83  
72 21.71 ± 2.24 409.58 ± 58.17 2.24 ± 0.11 26.08 ± 1.18 Interaction 99  
Carica papaya L. Papaya fruit 0 175.68 ± 48.02 3.70 ± 0.81 1.33 ± 0.37 8.58 ± 1.48 Acids 259 11.31
Fam. Caricaceae 24 54.32 ± 12.21 715.8 ± 78.21 1.41 ± 0.44 5.62 ± 0.07 Time 86  
72 73.70 ± 17.24 262.5 ± 30.63 1.33 ± 0.37 7.33 ± 0.88 Interaction 137  
Milk   0 0.19 ± 0.009 0.09 ± 1.01 0.04 ± 0.009 1.20 ± 0.09 Acids 642 9.72
24 0.19 ± 0.009 4.72 ± 0.55 0.04 ± 0.009 2.41 ± 0.18 Time 685  
72 0.19 ± 0.009 8.98 ± 1.48 0.04 ± 0.009 168.2 ± 11.29 Interaction 618  
  1. Nd no data