Celery activities. Celery contains phenolic acid, which is an antioxidant. Apiin and apigenin can be extracted from celery and parsley. Lunularin is a dihydrostilbenoid found in common celery. The main chemicals responsible for the aroma and taste of celery are butylphthalide and sedanolide. Daniel Zohary and Maria Hopf note that celery leaves and inflorescences were part of the garlands found in the tomb of pharaoh Tutankhamun (died 1323 BC), and celery mericarps dated to the seventh century BC were recovered in the Heraion of Samos. However, they note "since "A. graveolens" grows wild in these areas, it is hard to decide
Celery particular to celery as a salad plant. Because wild celery is rarely eaten, yet susceptible to the same diseases as more well-used cultivars, it is often removed from fields to help prevent transmission of viruses like celery mosaic virus. Harvesting occurs when the average size of celery in a field is marketable; due to extremely uniform crop growth, fields are harvested only once. The petioles and leaves are removed and harvested; celery is packed by size and quality (determined by color, shape, straightness and thickness of petiole, stalk and midrib length and absence of disease, cracks, splits, insect damage and