• Aframomum melegueta Seeds
• Citrus species Fruit Rind
• Zingeiber officinale Rhizomes
• Cananga odorata Petals
• Cymbopogon nardus Leaves
• Cymbopogon citradus Leaves
• Hyptis suaveolens Leaves
• Cinnamomum camphora Bark, Leaves
•  Cinnamomum zeylanicum Bark, Leaves
• Vetiveria zizanioides Roots 
• Ocimum gratissimum
• Piper guineense
• Hoslundia opposita