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Adulteration of herbal species performed for the method validation.
| Samples composition* | Results |
|---|---|
| Black Piper (Piper nigrum) with papaya seeds (Carica papaya) | Ir |
| Black Cumin (Nigella stiva) with red creole onion (Allium cepa) | Ir |
| Lemon Grass (Cymbopogan citrates) with perennial ryegrass (Lolium perenne) | Ir |
| Husk (Plantago Ovata) with garden cress (Lepidium sativum) | Ir |
Species mixed in equal amount, Ir: Incorrect result.
