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Table 1 The main anthocyanins detected in the leaves using UPLC-DAD-QTOF-MS/MS

From: In planta high levels of hydrolysable tannins inhibit peroxidase mediated anthocyanin degradation and maintain abaxially red leaves of Excoecaria Cochinchinensis

Species Compound No.a Rt (min) m/z Molecular Formulab Putative Compoundsb
[M+H]+ Fragment Ions
Excoecaria 1 0.364 449.1080 176.9858, 190.9661, 287.0551 C21 H21 O11+ Cyanidin 3-O-glucoside
2 1.392 617.1148 153.0183, 303.0500 C28 H25 O16+ Delphinidin 3-(2″-galloylgalactoside)
3 1.724 601.1224 153.0181, 287.0552 C28 H25 O15+ Cyanidin 3-(2″-galloylglucoside)
4 3.034 595.1666 287.0535 C27 H31 O15+ Cyanidin 3-O-rutinoside
5 3.466 641.1705 145.0499, 317.0652, 443.7365, 479.1180 C28 H33 O17+ Petunidin 3-sophoroside
6 3.698 625.1761 301.0658, 464.1260 C28 H33 O16+ Peonidin 3-gentiobioside
Osmanthus 7 2.399 595.1691 287.0550, 449.1083 C27 H31 O15+ Cyanidin 3-O-rutinoside
8 3.577 611.1626 303.0488 C27 H31 O16+ Delphinidin 3-neohesperidoside
9 3.626 889.2407 287.0550, 581.1500 C41 H45 O22+ Cyanidin 3-[6-(6-ρ-coumarylglucosyl)- 2-xylosylgalactoside
10 3.676 579.1687 399.1070, 401.1230, 417.1175 C27 H31 O14+ Pelargonidin 3-rhamnoside-5-glucoside
11 4.207 449.1078 121.0653, 137.0589, 287.0553 C21 H21 O11+ Cyanidin 5-O-glucoside
  1. a The compound numbers represent the main anthocyanin peaks as indicated in Fig. 2C and D
  2. b The molecular formula and the compounds were deduced based on searching the m/z and MS/MS spectra of positive modes in “METLIN” database
  3. Rt—Retention time
  4. [M+H]+—Molecular ion