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. 2021 Jul 5;10(7):1077. doi: 10.3390/antiox10071077

Table 2.

Phenolic compounds detected in raw and LABs fermented BR.

S. No Sample Name Retention Time (min) Peak Area Adduct/Charge Precursor Mass Found at Mass Molecular
Formula 		Tentative Phenolic Compound
1 Raw BR Nd Nd [M − H]− Nd Nd C25H36O Beta-carotenol
L. plantarum FBR 45.56 4.53 × 105 [M − H]− 353.268 353.187
L. fermentum FBR Nd Nd [M − H]− Nd Nd
L. reuteri FBR 45.45 5.19 × 105 [M − H]− 353.268 353.284
2 Raw BR Nd Nd [M + H]+ Nd Nd C10H12O2 Eugenol
L. plantarum FBR Nd Nd [M + H]+ Nd Nd
L. fermentum FBR Nd Nd [M + H]+ Nd Nd
L. reuteri FBR 20.81 2.24 × 105 [M + H]+ 179.107 179.1067
3 Raw BR 33.80 2.20 × 105 [M − H]− 293.177 293.1761 C17H26O4 6-Gingerol
L. plantarum FBR 33.80 2.08 × 106 [M − H]− 293.177 293.176
L. fermentum FBR 33.81 2.03 × 106 [M − H]− 293.177 293.1761
L. reuteri FBR 33.80 2.13 × 106 [M − H]− 293.177 293.1762
4 Raw BR Nd Nd [M + H]+ Nd Nd C15H10O4 Chrysin
L. plantarum FBR Nd Nd [M + H]+ Nd Nd
L. fermentum FBR 14.78 4.09 × 105 [M + H]+ 253.052 253.0524
L. reuteri FBR 14.81 1.01 × 105 [M + H]+ 253.052 253.0527
5 Raw BR Nd Nd [M + H]+ Nd Nd C16H8N2O5 Apigenin
L. plantarum FBR 14.79 4.68 × 105 [M + H]+ 269.047 269.0457
L. fermentum FBR 14.78 3.38 × 105 [M + H]+ 269.047 269.0457
L. reuteri FBR 14.78 5.15 × 105 [M + H]+ 269.047 269.0458
6 Raw BR Nd Nd [M + H]+ Nd Nd C9H6O2 Coumarin
L. plantarum FBR 1.92 1.24 × 105 [M + H]+ 147.044 147.0444
L. fermentum FBR 1.87 2.94 × 105 [M + H]+ 147.044 147.0447
L. reuteri FBR 1.90 1.55 × 105 [M + H]+ 147.044 147.0445
7 Raw BR Nd Nd [M + H]+ Nd Nd C15H14O7 Epigallocatechin
L. plantarum FBR 12.26 7.44 × 105 [M + H]+ 305.071 305.067
L. fermentum FBR 12.28 1.20 × 106 [M + H]+ 305.071 305.067
L. reuteri FBR 12.28 1.38 × 106 [M + H]+ 305.071 305.067
8 Raw BR Nd Nd [M + H]+ Nd Nd C7H19N3 Spermidine
L. plantarum FBR Nd Nd [M + H]+ Nd Nd
L. fermentum FBR Nd Nd [M + H]+ Nd Nd
L. reuteri FBR 0.96 8.75 × 105 [M + H]+ 188.176 188.1761
9 Raw BR 38.06 3.21 × 104 [M − H]− 277.182 277.1812 C17H26O3 6-Paradol
L. plantarum FBR 38.06 4.38 × 105 [M − H]− 277.182 277.1812
L. fermentum FBR 38.08 4.33 × 105 [M − H]− 277.182 277.1813
L. reuteri FBR 38.06 4.42 × 105 [M − H]− 277.182 277.1812
10 Raw BR Nd Nd [M − H]− Nd Nd C9H8O2 Cinnamic acid
L. plantarum FBR 4.01 3.26 × 105 [M − H]− 147.046 147.0455
L. fermentum FBR 4.03 4.46 × 104 [M − H]− 147.046 147.0456
L. reuteri FBR 3.98 1.09 × 106 [M − H]− 147.046 147.0454
11 Raw BR Nd Nd [M + NH4]+ Nd Nd C9H8O3 p-Coumaric acid
L. plantarum FBR 1.86 1.06 × 106 [M + NH4]+ 182.081 182.0813
L. fermentum FBR 1.92 6.90 × 105 [M + NH4]+ 182.081 182.0813
L. reuteri FBR 1.87 2.13 × 106 [M + NH4]+ 182.081 182.0812
12 Raw BR Nd Nd [M − H]− Nd Nd C9H10O3 Methoxyphenylacetic acid
L. plantarum FBR 15.28 5.20 × 106 [M − H]− 165.057 165.0558
L. fermentum FBR 15.29 4.09 × 105 [M − H]− 165.057 165.056
L. reuteri FBR 15.27 1.92 × 107 [M − H]− 165.057 165.0557
13 Raw BR Nd Nd [M − H]− Nd Nd C7H6O3 Sesamol/2-Hydroxybenzoic acid
L. plantarum FBR Nd Nd [M − H]− Nd Nd
L. fermentum FBR Nd Nd [M − H]− Nd Nd
L. reuteri FBR 19.63 3.24 × 105 [M − H]− 137.025 137.0249
14 Raw BR Nd Nd [M − H]− Nd Nd C8H8O Vanillic acid
L. plantarum FBR 15.28 3.18 × 105 [M − H]− 119.051 119.0504
L. fermentum FBR Nd Nd [M − H]− Nd Nd
L. reuteri FBR 15.27 1.27 × 106 [M − H]− 119.051 119.0504
15 Raw BR Nd Nd Nd Nd Nd C6H8O6 Ascorbic acid
(Vitamin C)
L. plantarum FBR Nd Nd Nd Nd Nd
L. fermentum FBR Nd Nd Nd Nd Nd
L. reuteri FBR 1.02 3.05 × 103 [M + H]+ 209.009 209.0107

Nd—not detected, BR—brown rice, and FBR—fermented brown rice.