| 1 | The active ingredients are resin, volatile oils, and gum. | |
| 2 | This is made from naphtha which is very good for health. | |
| 3 | Other volatile oil-rich herbs are prepared in a similar fashion. | |
| 4 | Conclusion The volatile oil of Bidens pilosa L are also active or synergistic action components. | |
| 5 | The resulting beverage will contain enough of the various ingredients, including the volatile oil, to be truly effective. |