Phenolic compounds | Amount (mg/L) |
---|---|
Gallic acid | 7.1–10.2 |
Catechine | 61–71.9 |
Vanillic acid | 3.93–71.2 |
Syringic acid | 42.3–42.87 |
Ferulic acid | 42.91–45.08 |
Picein [3-(β-d-glucosyloxy)-hydroxy-acetophenone] | 0.2–1.4 |
Pungenin[3-(β-d-glucosyloxy)-4-hydroxy-acetophenone] | 0.2 |
Taxifoloin | 2–33 |
Coniferyl aldehyde | 35–301 |
Vanillic acid | 0.01–35 |
Vanillin | 36 |
4-hydroxybenzoic acid | 39–81 |
Catechol | 2 |
Acetoguaiacone | 146 |
Trans cinnamic acid | 10 |
Syringaldehyde | 107 |