| Chemical | Dosage | References |
|---|---|---|
| ALPHA-KAINIC-ACID | -- | * |
| ARECOLINE | -- | * |
| GERANIOL | -- | Madaus, G. 1976. Lehrbuch der Biologischen Hilfmittel. Vol,. 1-3. 2862 pp. (+ 144 p. index). Georg Olms Verlag, Hildescheim. Reprint of 1938 Madaus. |
| PAPAIN | -- | * |
| QUISQUALIC-ACID | -- | * |
| SANTONIN | -- | HerbalGram No. 24, page 37. |
| TOOSENDANIN | -- | * |
| VANILLIC-ACID | -- | * |