Table 1.
Parts of the plant used in the preparation of extracts, amounts and yield and identification of the main chemical classes
| Plant | Part used | Yield(%) | Chemical classes |
|---|---|---|---|
| P. amboinicus | Leaves | 1.08 | Tannins/flavonoids |
| P. barbatus | Leaves | 2.56 | Tannins/flavonoids |
| Z. rhoifolium | Leaves | 3.40 | Tannins/flavonoids |
| S. rotundifolium | Bark | 7.00 | Tannins/flavonoids/alkaloids |
| L. camara | Leaves | 5.00 | Tannins/flavonoids/alkaloids |
| L. montevidensis | Leaves | 5.50 | Tannins/flavonoids/alkaloids |
| G. graciliflora | Stem | 7.90 | Tannins/flavonoids |
| C. zenhtneri | Leaves | 9.50 | Tannins/flavonoids/alkaloids |
| D. gardineriana | Stem bark | 17.70 | Flavonoids |
| V. arborea | Stem | 8.00 | Tannins/flavonoids/alkaloids |
| P. tuberculatum | Leaves | 2.80 | Tannins/flavonoids/alkaloids |