Spice is an aromatic vegetable substance in the whole, broken, or ground form, except for those substances which have been traditionally regarded as foods, such as onions, garlic, and celery. The significant function of spices in food is seasoning rather than nutritional. Spice extracts are the essential oil, oleoresin, essence or extractive, derived from the spice. Extractives of Celery seed is the oil or oleoresin that has been pulled or extracted, from the seeds of the celery plant.