Artichoke
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| Artichoke | ||||||||||||||
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 Globe Artichoke buds ready for cooking
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| Cynara cardunculus L.[1] |
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Cynara scolymus L.[1] |
The Globe Artichoke (Cynara cardunculus)[1] is a perennial thistle originating in southern Europe around the Mediterranean. It grows to 1.5-2 m tall, with arching, deeply lobed, silvery glaucous-green leaves 50–80 cm long. The flowers develop in a large head from an edible bud about 8–15 cm diameter with numerous triangular scales; the individual florets are purple. The edible portion of the buds consists primarily of the fleshy lower portions of the involucral bracts and the base, known as the "heart"; the mass of inedible immature florets in the center of the bud is called the "choke."
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[edit] Cultivation
The origin of artichokes is unknown, though they are said to have come from the Maghreb (North Africa) where it is still found in the wild state. The cardoon, a naturally occurring variant of the same species, is native to the Mediterranean, even though it has not been mentioned in Classic literature. Artichokes were cultivated in Sicily in the Greek period, the Greeks called them kaktos. In this period the cultivated leaves and flowerheads, which cultivation had already improved from the wild form, were eaten. The Romans, who called the vegetable carduus received the plant from the Greeks. Further improvement in the cultivated form appear to have taken place in the Muslim period in the Maghreb, although the evidence is inferential only.[2]
Globe Artichokes are known to have been cultivated at Naples around the middle of the 9th century, and are said to have been introduced to France by Catherine de' Medici. Pierre de L'Estoile recorded in his journal on June 19, 1576, the fact that at the wedding of two courtiers, Queen Catherine de Medici "ate so much that she thought she would die, and was very ill with diarrhea. they said it was from eating too many arthchoke bottoms."
The Dutch introduced artichokes to England, where they were growing in Henry VIII's garden at Newhall in 1530. They were introduced to the United States in the 19th century, to Louisiana by French immigrants and to California by Spanish immigrants. The name has originated from ardi shauki (أرضي شوكي), which is Arabic for ground-thorn, through a Northern Italian dialect word, articiocco.
| Artichoke, cooked boiled, salted Nutritional value per 100 g (3.5 oz) |
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| Energy 50 kcal 220 kJ | ||||||||||||||||||||||||||||||||||||
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| Percentages are relative to US recommendations for adults. Source: USDA Nutrient database |
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Today, Globe Artichoke cultivation is concentrated in the countries bordering the Mediterranean basin. The main producers are Italy, Spain, and France. In the United States, California provides nearly 100% of the U.S. crop, and approximately 80 percent of that is grown in Monterey County; there, Castroville proclaims itself to be "The Artichoke Center of the World," and holds an annual festival at which artichoke ice cream is served. The cultivar 'Green Globe' is virtually the only kind grown commercially in the U.S.
Artichokes can be produced from seeds or from vegetative means such as division, root cuttings or micropropagation. Though technically perennials which normally produce the edible flower only during the second and subsequent years; certain varieties from seed can be grown as annuals, producing a limited harvest at the end of the first growing season, even in regions where the plants are not normally winter hardy. This means that home gardeners in northern regions can attempt to produce a crop without the need to overwinter plants with special treatment or protection. The recently introduced seed cultivar 'Imperial Star' has been bred to produce in the first year without such measures. An even newer cultivar, 'Northern Star', is said to be able to overwinter in more northerly climates, and readily survive sub-zero temperatures.[citation needed] A second generation of new hybrid cultivars was bred during the last decade, much more homogeneous and stable than the former and more suitable for professional growers.
Commercial culture is limited to warm areas in USDA hardiness zone 7 and above. It requires good soil, regular watering and feeding plus frost protection in winter. Rooted suckers can be planted each year so that mature specimens can be disposed of after a few years, as each individual plant only lives a few years. The peak season for artichoke harvesting is the spring, but they continue to be harvested throughout the summer, with another peak period in mid autumn.
When harvesting, they are cut from the plant so as to leave an inch or two of stem. Artichokes possess good keeping qualities, frequently remaining quite fresh for two weeks or longer under average retail conditions.
Apart from food use, the Globe Artichoke is also an attractive plant for its bright floral display, sometimes grown in herbaceous borders for its bold foliage and large purple flowerheads.
[edit] Varieties
- Traditional cultivars (Vegetative multiplication)
- Green color, big size: Camus de Bretagne, Castel (France), Green globe (USA).
- Green color, medium size: Blanca de Tudela (Spain), Argentina, Española (Chile), Blanc d'Oran (Algeria), Sakiz, Bayramapsha (Turkey).
- Purple color, big size: Romanesco, C3 (Italy).
- Purple color, medium size: Violet de Provence (France), Brindisino, Catanese (Italy), Violet d'Algerie (Algeria), Baladi (Egypt).
- Spined: Spinoso sardo (Italy), Criolla (Peru).
- Varieties multipled by seeds
[edit] Uses
[edit] Cooking
Whole Globe Artichokes are prepared for cooking by removing all but 5–10 mm or so of the stem, and (optionally) cutting away about a quarter of each scale with scissors. This removes the thorns that can interfere with handling the leaves when eating. Then, the artichoke is boiled or steamed until tender. If boiling, salt can be added to the water, if desired. It may be preferable not to cover the pot while the artichokes are boiled, so that the acids will boil out into the air. Covered artichokes can turn brown due to the acids and chlorophyll oxidation.
In France artichokes are very popular deep fried. In Italy artichoke hearts in oil are the usual vegetable for spring in the 'Four Seasons' pizza (with olives for summer, mushrooms for autumn and prosciutto for winter).[3]
The heart of the artichoke is considered to be the best part to eat.
Artichoke stems, which are often thrown away, are perfectly edible and taste like the artichoke heart.
Leaves are often removed and eaten one at a time, sometimes dipped in vinegar, butter, mayonnaise, aioli, or other sauces.
[edit] Tea
Artichokes can also be made into an herbal tea; artichoke tea is produced as a commercial product in the Dalat region of Vietnam.photo[1]
[edit] Liquor
Artichoke is the primary flavor of the Italian liquor Cynar.
[edit] Medical Uses
Dried or fresh leaves and/or stems of Cynara are used to increase bile production. Cynarin, an active constituent in Cynara, causes an increase in bile flow.[4]
[edit] References
- ^ a b c Cynara cardunculus information from NPGS/GRIN. www.ars-grin.gov. Retrieved on 2008-04-13.
- ^ Watson, Andrew. Agricultural innovation in the early Islamic world. Cambridge University Press. p.64
- ^ Four Seasons Pizza Recipes at Cooking.com
- ^ CAB Abstracts
- This article incorporates text from the public domain 1911 edition of The Grocer's Encyclopedia.
[edit] External links
