"Food additive" means any syntheticcompound or natural substance put into food to improve its quality, colour, fragrance or taste, or for the sake of preservation or processing.
Food additive "means any syntheticcompound or natural substance put into food to improve its quality, colour, fragrance or taste, or for the sake of preservation or processing."
They have developed a synthetic method for producing the fungal compound and will now attempt to tweak the substance to make it even more effective against tumor cells.