Table 2.
Chemical class | Content from different parts (%) | Chemical subclasses | Major compound(s) | References |
---|---|---|---|---|
Phenolic acids |
Leaf (12–15) Stem (38–40) Flower (38–40) Berries (8–10) |
- |
Gallic acid Caffeic acid Syringic acid Vanillic acid Ferulic acid |
[30] |
Tannins |
Leaf (79–82) Stem (trace) Flower (60) Berries (53–56) |
Hydrolysable tannins | Gallotannins | [30] |
Proanthocyanidins |
Malvidin-3-O-arabinoside Petunidin-3-O-arabinoside Delphinidin-3-O-arabinoside Peonidin-3-O-glucoside Cyanidin-3-O-glucoside Malvidin-3-O-glucoside Petunidin-3-O-glucoside |
[30] | ||
Flavonoids |
Leaf (8–10) Stem (61–63) Flower (trace) Berries (35–39) |
Flavanols | Catechin | [30] |
Flavonols |
Quercetin-3-d-rahmnoside Quercetin-3-d-galactoside Quercetin Myricetin-3-O-ramnoside Myricetin-3-O-galactoside Myricetin |