| Substance/Test | Methods |
|---|---|
| Acesulfame K | HPLC |
| Ascorbic Acid as Vitamin C antioxidant | HPLC |
| Ascorbyl Palmitate | HPLC |
| Aspartame | HPLV |
| Benzoic Acid or Sodium Benzoate | HPLC |
| BHA, BHQ, TBHQ or BHT | GC |
| Butylic acid, Acetic acid, Propionic acid | HPLC |
| Citric Acid & its salts | GC, HPLC |
| Chloroxylenol | HPLC |
| Coenzymes Q-10 | HPLC |
| Ethoxyquin | HPLC |
| Mannitol | HPLC |
| Phenoxy Ethanol | GC, HPLC |
| Parabens — All types | HPLC, GC |
| Saccharin | HPLC |
| Sorbic Acid | HPLC |
| Sulfur Dioxide | AOAC |
| Triclosan | HPLC |
| Vitamin A (Retinyl Acetate/Palmitate) | HPLC |
| Vitamin E (Tocopherols) | GC |