celery root

Celery

[sel-uh-ree, sel-ree]
Apium graveolens is a plant species in the family Apiaceae, and yielding celery and celeriac. Cultivars of the species have been used for centuries, whilst others have been domesticated only in the last 200-300 years.

Taxonomy

Celery was described by Carolus Linnaeus in Volume One of his Species Plantarum in 1753.

The closely related Apium bermejoi from the island of Minorca is one of the rarest plants in Europe with only 60 individuals left.

Uses

Apium graveolens is used around the world as a vegetable, either for the crisp petiole (leaf stalk) or the fleshy taproot.

In temperate countries, celery is also grown for its seeds, which are very small fruit rather than actual seeds, which yield a valuable volatile oil used in the perfume and pharmaceutical industries. It also contains an organic compound called apiol. Celery seeds can be used as flavouring or spice either as whole seeds or, ground and mixed with salt, as celery salt. Celery salt can also be made from an extract of the roots. Celery salt is used as a seasoning, in cocktails (notably to enhance the flavour of Bloody Mary cocktails), on the Chicago-style hot dog, and in Old Bay Seasoning.

Celery, onions, and bell peppers are the holy trinity of Louisiana Creole and Cajun cuisine. Celery, onions, and carrots make up the French mirepoix, often used as a base for sauces and soups. Celery is a staple in chicken noodle Soup. Celery is an important ingredient in Indian cuisines including in Indian Curry. Celery is also good with peanut butter.

Celery is widely eaten by guinea pigs, dogs, horses, birds, squirrels, and small rodents.

Medicine

The use of celery seed in pills for relieving pain was described by Aulus Cornelius Celsus ca. 30 AD.

Nutrition

Celery is valuable in weight-loss diets, where it provides low-calorie fiber bulk. Celery contains androstenone, not androsterone . Bergapten in the seeds can increase photosensitivity, so the use of essential oil externally in bright sunshine should be avoided. The oil and large doses of seeds should be avoided during pregnancy: they can act as a uterine stimulant. Seeds intended for cultivation are not suitable for eating as they are often treated with fungicides. There is a common belief that celery is so difficult for humans to digest, that it has negative calories because human digestion burns more calories than can be extracted. In an episode of Food Detectives they proved that celery does not have "negative calories", but states that the amount of calories burned digesting it more than burns the calories taken in, and one would lose weight if one only consumed celery. plus, celery isnt the good for you acually.. 54 cups of kool-aid is about the same nuetrional value of 3 sticks of celery

Allergies

Although many people enjoy foods made with celery, a small minority of people can have severe allergic reactions. For people with celery allergy, exposure can cause potentially fatal anaphylactic shock. The allergen does not appear to be destroyed at cooking temperatures. Celery root—commonly eaten as celeriac, or put into drinks—is known to contain more allergen than the stalk. Seeds contain the highest levels of allergen content. Celery is amongst a small group of foods (headed by peanuts) that appear to provoke the most severe allergic reactions (anaphylaxis). Exercise-induced anaphylaxis may be exacerbated. An allergic reaction also may be triggered by eating foods that have been processed with machines that have previously processed celery, making avoiding such foods difficult. In contrast with peanut allergy being most prevalent in the US, celery allergy is most prevalent in Central Europe. In the European Union, foods that contain or may contain celery, even in trace amounts, have to be clearly marked as such.

History

Zohary and Hopf note that celery leaves and inflorences were part of the garlands found in the tomb of Tutankhamun, pharaoh of ancient Egypt, and celery mericarps dated to the 7th 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 whether these remains represent wild or cultivated forms." Only by classical times is it certain that celery was cultivated.

M. Fragiska mentions an archeological find of celery dating to the 9th century BC, at Kastanas; however, the literary evidence for ancient Greece is far more abundant. In Homer's Iliad, the horses of Myrmidons graze on wild celery that grows in the marshes of Troy, and in Odyssey there is mention of the meadows of violet and wild celery surrounding the cave of Calypso.

Cultural depictions

A chthonian symbol, celery was said to have sprouted from the blood of Kadmilos, father of the Cabers, chthonian divinities celebrated in Samothrace, Lemnos and Thebes. The spicy odour and dark leaf colour encouraged this association with the cult of death. In classical Greece celery leaves were used as garlands for the dead, and the wreaths of the winners at the Isthmian Games were first made of celery before being replaced by crowns made of pine. According to Pliny the Elder (Natural History XIX.46), in Archaia the garland worn by the winners of the sacred contest at Nemea was also made of celery.

Cultivation

Apium graveolens grows to 1 m (3 ft) tall. The leaves are pinnate to bipinnate leaves with rhombic leaflets 3-6 cm long and 2-4 cm broad. The flowers are creamy-white, 2-3 mm diameter, produced in dense compound umbels. The seeds are broad ovoid to globose, 1.5-2 mm long and wide.

In North America, commercial production of celery is dominated by a variety called Pascal celery. Gardeners can grow a range of cultivars, many of which differ little from the wild species, mainly in having stouter leaf stems. They are ranged under two classes, white and red; the white cultivars being generally the best flavoured, and the most crisp and tender.

The wild form of celery is known as smallage. It has a furrowed stalk with wedge-shaped leaves, the whole plant having a coarse, earthy taste, and a distinctive smell. With cultivation and blanching, the stalks lose their acidic qualities and assume the mild, sweetish, aromatic taste particular to celery as a salad plant.

The plants are raised from seed, sown either in a hot bed or in the open garden according to the season of the year, and after one or two thinnings out and transplantings they are, on attaining a height of 15-20 cm, planted out in deep trenches for convenience of blanching, which is affected by earthing up to exclude light from the stems.

In the past, celery was grown as a vegetable for winter and early spring; because of its antitoxic properties, it was perceived as a cleansing tonic, welcomed after the stagnation of winter.

Harvesting and storage

Harvesting occurs when the average size of celery in a field is marketable; due to extremely uniform crop growth, fields are harvested only once. Petioles and leaves are removed and harvested celery are 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 rot). When properly stored in optimal conditions, celery can be stored for up to seven weeks between 0 to 2°C (32 to 36°F). Inner stalks may continue growing if kept at temperatures above 0°C (32°F). Freshly-cut petioles of celery are prone to decay, which can be prevented or reduced through the use of sharp blades during processing, gentle handling and proper sanitation.

See also

References

External links

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