Table 1.
Compounds identified in extracts from bulb (BE) and aerial parts (APE) of A. subhirsutum by LC-MS. rt: retention time, nd: not detected, * Food Database (https://foodb.ca/): A = FDB000604, B = FDB018376, C = FDB000176, D = FDB016383 E = FDB001548.
| n | rt (min) | Compound | [M + H]+ | Fragments | BE (mg/g) | APE (mg/g) | Ref |
|---|---|---|---|---|---|---|---|
| 1 | 1.64 | Allicine | 163 | 87 73 | 26.40 ± 0.02 | 41.69 ± 0.02 | [21] |
| 2 | 1.89 | Gamma-glutamyl (S)-allylcysteine | 291 | 145 | 10.97 ± 0.02 | 14.55 ± 0.02 | [21] |
| 3 | 2.85 | Gamma-glutamyl-S-methylcysteine | 265 | 145 136 139 | 1.21 ± 0.01 | 1.28 ± 0.01 | [21] |
| 4 | 3.00 | Gamma-glutamyl-S-trans-propenyl cysteine | 291 | 145 | 4.00 ± 0.02 | 0.59 ± 0.01 | [21] |
| 5 | 9.44 | Alliin | 178 | 88 | 29.51 ± 0.04 | 44.85 ± 0.04 | [21] |
| 6 | 11.2 | Cycloalliin | 178 | 88 | 1.51 ± 0.01 | 2.04 ± 0.01 | [21] |
| sulfur compounds | tot | 73.59 | 104.86 | ||||
| 7 | 6.91 | Methoxy quercetin trisaccharide isomer 1 | 779 | 493 317 302 284 257 | 0.64 ± 0.01 | 0.96 ± 0.04 | [24] |
| 8 | 7.13 | Methoxy quercetin isomer 1 | 317 | 302 284 257 | 16.57 ± 0.02 | 20.04 ± 0.01 | *A |
| 9 | 7.76 | Quercetin | 303 | 285 257 229 166 | 4.28 ± 0.02 | 23.5 ± 0.02 | [25] |
| 10 | 7.76 | Methoxy quercetin trisaccharide isomer 2 | 779 | 493 331 317 302 284 257 | 3.84 ± 0.02 | 9.91 ± 0.02 | [24] |
| 11 | 8.45 | Luteolin | 287 | 213 166 | 20.19 ± 0.03 | 53.26 ± 0.02 | [25] |
| 12 | 8.55 | Methoxy quercetin isomer 2 | 317 | 302 284 257 | 22.19 ± 0.02 | 28.47 ± 0.02 | *A |
| 13 | 8.86 | Glucosyl gallate | 333 | 315 297 268 | 21.61 ± 0.04 | 26.13 ± 0.03 | *B |
| 14 | 9.45 | kaempferol | 287 | 259 241 213 | 6.79 ± 0.01 | 26.86 ± 0.03 | [25] |
| 15 | 9.67 | Methoxy quercetin isomer 3 | 317 | 302 284 257 | 9.17 ± 0.05 | 48.18 ± 0.10 | *A |
| 16 | 17.4 | 3,7-Dimethylquercetin | 331 | 314 296 265 | 10.70 ± 0.04 | 26.37 ± 0.03 | *C |
| 17 | 17.99 | Tamarixetin (3,3′,5,7-Tetrahydroxy-4′-methoxyflavanone) | 317 | 301 271 264 255 239 212 | 2.77 ± 0.01 | 9.78 ± 0.02 | *D |
| 18 | 19.58 | 5,3′,4′-Trihydroxy-3-methoxy-6,7-methylenedioxyflavone | 345 | 329 297 | nd | 26.60 ± 0.05 | *E |
| flavonoid and polyphenol | tot | 118.77 | 300.06 | ||||
| 19 | 11.4 | coumaroyl-tyramine | 284 | 149 147 121 120 91 | 1.20 ± 0.01 | 1.34 ± 0.01 | [10] |
| 20 | 11.7 | N-trans-Feruloyl-tyramine | 314 | 178 149 147 | 41.88 ± 0.10 | 43.89 ± 0.03 | [10] |
| 21 | 15.3 | Coumaroyl-octopamine | 300 | 178 | nd | 0.78 ± 0.01 | [23] |
| 22 | 18.55 | N-trans-Feruloyl-3-methoxytyramine | 344 | 178 149 147 | 3.64 ± 0.02 | 6.62 ± 0.02 | [10] |
| amide phenylpropanoid derivatives | tot | 46.71 | 52.62 |