| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Intermediate Filament Proteins | 100 | + | |
| 2 | Collagen | 50 | + | |
| 3 | Microfilament Proteins | 46 | + | |
| 4 | Glucans | 37 | + | |
| 5 | Microtubule Proteins | 36 | + | |
| 6 | Tannins | 24 | + | |
| 7 | Chitin | 16 | + | |
| 8 | Resins, Plant | 11 | + | |
| 9 | Plant Gums | 8 | + | |
| 10 | Pectins | 5 | + | |
| 11 | Lignin | 4 | + | |
| 12 | Elastin | 3 | + | |
| 13 | Silk | 1 | + | |
| 14 | Polyhydroxyalkanoates | 1 | + |