Table 2 Individual compounds identified by comparison of MS/MS spectra with database entries in Enhalus acoroides leaf extract (A), E. acoroides root extract (B), Halophila ovalis leaf extract (C) and Halodule pinifolia leaf extract (D)
No | RT | Mass | MS/MS | Name | Accession | Source |
|---|---|---|---|---|---|---|
A - E. acoroides leaf extract | ||||||
 1 | 2.5 | 343.03 | 201.02, 157.03, 59.01 | n. i. | – | – |
 2 | 2.7 | 312.12 | 179.05, 132.06, 89.02 | n. i. | – | – |
 3 | 3.3 | 367.1 | 277.07, 187.04, 157.03 | n. i. | – | – |
 4 | 7.2 | 134.04 | 107.03, 92.02 | Adenine | PT200393 | ReSpect |
 5 | 13.7 | 637.1 | 461.07, 285.04 | Kaempferol-3-glucuronide, mod. | PT209240 | ReSpect |
 6 | 14.8 | 275.15 | 233.12, 119.05 | n. i. | – | – |
 7 | 15.2 | 121.03 | 92.02, 77.03 | Benzoic acid | KO000321 | MassBank |
 8 | 18.6 | 527.02 | 285.04, 241.00, 96.96 | n. i. | – | – |
 9 | 20.1 | 511.05 | 269.04, 241.00, 96.96 | n. i. | – | – |
 10 | 20.8 | 187.09 | 169.08, 125.09, 97.06 | Azelaic acid | KO000124 | MassBank |
 11 | 21.3 | 447.09 | 285.04 | Kaempferol-3-O-glucoside | PS042209 | ReSpect |
 12 | 22.5 | 461.07 | 285.04 | Kaempferol-3-glucuronide | PS092408 | ReSpect |
 13 | 27.5 | 285.04 | 151.00, 133.03 | Luteolin | PS040410 | ReSpect |
 14 | 29.5 | 269.04 | 225.05, 151.00, 117.03 | Apigenin | PT203930 | ReSpect |
B - E. acoroides root extract | ||||||
 1 | 2.4 | 343.03 | 201.02, 157.03, 59.01 | n. i. | – | – |
 2 | 2.7 | 312.12 | 179.05, 132.06, 89.02 | n. i. | – | – |
 3 | 2.9 | 377.08 | 341.11, 179.05, 119.03, 89.02 | Galactinol dihydrate, mod. | PT211910 | ReSpect |
 4 | 4.3 | 216.98 | 173.02, 156.98, 136.94, 59.01 | n. i. | – | – |
 5 | 7.2 | 134.04 | 107.03, 92.02 | Adenine | PT200393 | ReSpect |
 6 | 9.6 | 577.12 | 451.10, 425.08, 407.07, 289.07, 125.02 | Procyanidin B2 | PT204580 | ReSpect |
 7 | 12.3 | 289.07 | 245.07, 203.07, 151.04, 109.03 | +(−) Epicatechin | PT204560 | ReSpect |
 8 | 13.8 | 637.1 | 461.07, 285.04 | Kaempferol-3-glucuronide, mod. | PT209240 | ReSpect |
 9 | 14.0 | 469.08 | 275.02, 193.05, 178.02, 149.06, 96.96 | n. i. | – | – |
 10 | 14.8 | 275.15 | 233.12, 119.05 | n. i. | – | – |
 11 | 15.3 | 121.03 | 92.02, 77.03 | Benzoic acid | KO000321 | MassBank |
 12 | 20.8 | 187.09 | 169.08, 125.09, 97.06 | Azelaic acid | KO000124 | MassBank |
 13 | 22.6 | 461.07 | 285.04 | Kaempferol-3-glucuronide | PS092408 | ReSpect |
 14 | 24.1 | 299.05 | 284.03, 256.03, 133.03 | Kaempferide | PT204030 | ReSpect |
 15 | 27.5 | 285.04 | 151.00, 133.03 | Luteolin | PS040410 | ReSpect |
 16 | 29.5 | 269.04 | 225.05, 151.00, 117.03 | Apigenin | PT203930 | ReSpect |
 17 | 31.2 | 329.23 | 229.14, 211.13, 171.10 | n. i. | – | – |
C - H. ovalis leaf extract | ||||||
 1 | 2.4 | 343.03 | 201.02, 157.03, 59.01 | n. i. | – | – |
 2 | 2.9 | 377.08 | 341.11, 179.05, 119.03, 89.02 | Galactinol dihydrate, mod. | PT211910 | ReSpect |
 3 | 4.3 | 216.98 | 173.02, 156.98, 136.94, 59.01 | n. i. | – | – |
 4 | 13.3 | 261.04 | 217.05, 189.05, 133.02 | n. i. | – | – |
 5 | 15.5 | 121.03 | 92.02, 77.03 | Benzoic acid | KO000321 | MassBank |
 6 | 16.3 | 306.17 | 288.16 | n. i. | – | – |
 7 | 17.5 | 479.08 | 316,02 | Myricetin-3-galactoside | PS092809 | ReSpect |
 8 | 19.5 | 463.09 | 301,03 | Quercetin-3-O-beta-D-galactoside | PS046509 | ReSpect |
 9 | 20.8 | 187.09 | 169.08, 125.09, 97.06 | Azelaic acid | KO000124 | MassBank |
 10 | 21.1 | 317.02 | 271.02, 149.02 | n.i. | – | – |
 11 | 21.3 | 447.09 | 285.04 | Kaempferol-3-O-glucoside | PS042209 | ReSpect |
 12 | 23.5 | 301.03 | 255.03, 165.02, 133.03 | n.i. | – | – |
 13 | 24.1 | 299.05 | 284.03, 256.03, 133.03 | Kaempferide | PS040309 | ReSpect |
 14 | 25.7 | 285.04 | 239.03, 185.06, 143.05, 117.03 | Kaempferol | PR040027 | MassBank |
 15 | 27.5 | 285.04 | 285.04, 151.00,133.02 | Luteolin | PT204043 | ReSpect |
 16 | 29.4 | 269.04 | 225.05, 151.00, 117.03 | Apigenin | PT203930 | ReSpect |
D - H. pinifolia leaf extract | ||||||
 1 | 2.4 | 343.03 | 201.02, 157.03, 59.01 | n. i. | – | – |
 2 | 2.9 | 377.08 | 341.11, 179.05, 119.03, 89.02 | Galactinol dihydrate, mod. | PT211910 | ReSpect |
 3 | 4.3 | 216.98 | 173.02, 156.98, 136.94, 93.03, 59.01 | n. i. | – | – |
 4 | 6.6 | 473.07 | 311.04, 293.03, 179.03, 149.01 | n. i. | – | – |
 5 | 9.6 | 577.12 | 451.10, 425.08, 407.07, 289.07, 125.02 | Procyanidin B2 | PT204580 | ReSpect |
 6 | 12.1 | 289.07 | 245.07, 203.07, 151.04, 109.03 | +(−) Epicatechin | PT204560 | ReSpect |
 7 | 14.0 | 469.08 | 275.02, 193.05, 178.02, 149.06, 96.96 | n. i. | – | – |
 8 | 19.1 | 641.17 | 473.13, 311.07, 167.03 | n. i. | – | – |
 9 | 19.7 | 549.09 | 505.10, 463.09, 300.02, 271.02, 255.02 | Quercetin-3-(6-malonyl)-glucoside | PT209340 | ReSpect |
 10 | 20.8 | 187.09 | 169.08, 125.09, 97.06 | Azelaic acid | KO000124 | MassBank |
 11 | 21.1 | 505.09 | 463.08, 300.02, 271.02 | Quercetin-3-O-beta-D-galactoside, mod. | PT204650 | ReSpect |
 12 | 21.8 | 463.08 | 300.03, 271.02 | Quercetin-3-O-beta-D-galactoside | PT204650 | ReSpect |
 13 | 22.4 | 433.07 | 300.02, 271.02, 255.03, 179.00 | Quercetin-3-arabinoside | PT209320 | ReSpect |
 14 | 23.4 | 447.09 | 284.03, 255.03, 227.03 | Kaempferol-3-glucoside | PT209270 | ReSpect |
 15 | 24.6 | 417.08 | 284.03, 255.03, 227.03 | Kaempferol-3-O-alpha-L-arabinoside | PT209220 | ReSpect |
 16 | 26.3 | 301.03 | 178.99, 151.00, 121.03, 107.01 | Quercetin | PT204090 | ReSpect |
 17 | 27.4 | 285.04 | 199.03, 175.04, 151.00, 133.02 | Luteolin | PT204043 | ReSpect |
 18 | 27.7 | 315.05 | 300.02, 271.02, 255.03 | Isorhamnetin | PM007432 | ReSpect |
 19 | 29.5 | 269.04 | 225.05, 151.00, 117.03 | Apigenin | PT203930 | ReSpect |