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Caper flowers (Capparis spinosa)

Hotel Holidays in Evia, on the island of Euboia.

 

Capparis spinosa, the caper bush, is a perennial winter-deciduous species that bears rounded, fleshy leaves and large white to pinkish-white flowers. A caper is also the pickled bud of this plant. Caper bush is present in almost all the circum-Mediterranean countries and is included in the floristic composition of most of them but whether it is indigenous to this region is uncertain. Although the flora of the Mediterranean region has considerable endemism, the caper bush could have originated in the tropics, and later been naturalized to the Mediterranean basin. The plant is best known for the edible bud and fruit (caper berry) which are usually consumed pickled. Other species of Capparis are also picked along with C. spinosa for their buds or fruits.

 

The salted and pickled caper bud (also called simply capers) is often used as a seasoning or garnish. Capers are a common ingredient in Mediterranean cuisine, especially Cypriot, Italian and Maltese. The mature fruit of the caper shrub are also prepared similarly, and marketed as caper berries.

 

The buds, when ready to pick, are a dark olive green and about the size of a fresh kernel of corn. They are picked, then pickled in salt, or a salt and vinegar solution, or drained. Intense flavor is developed, as mustard oil (glucocapparin) is released from each caper bud. This enzymatic reaction also leads to the formation of rutin often seen as crystallized white spots on the surfaces of individual caper buds.

 

Capers are a distinctive ingredient in Italian cuisine, especially in Sicilian and southern Italian cooking. They are commonly used in salads, pasta salads, pizzas, meat dishes and pasta sauces. Examples of uses in Italian cuisine are chicken piccata and Spaghetti alla puttanesca.

Capers are also known for being one of the ingredients of tartar sauce. They are also often served with cold smoked salmon or cured salmon dishes (especially lox and cream cheese). Capers are also sometimes substituted for olives to garnish a martini.

 

Capers are categorized and sold by their size, defined as follows, with the smallest sizes being the most desirable: Non-pareil (up to 7 mm), surfines (7–8 mm), capucines (8–9 mm), capotes (9–11 mm), fines (11–13 mm), and grusas (14+ mm).

 

Unripe nasturtium seeds can be substituted for capers; they have a very similar texture and flavour when pickled. Pickled caperberries are also very popular as a snack in Menorca.

If the caper bud is not picked, it flowers and produces a fruit called a caperberry. The fruit can be pickled and then served as a Greek mezze.

 

In addition, the Greeks make good use of the caper's leaves, which are especially desirable and hard to find outside of Greece. They are pickled or boiled and preserved in jars with brine like caper buds. Caper leaves are excellent in salads and in fish dishes. Dried caper leaves are also used as a substitute for rennet in the manufacturing of high quality cheese.

 

In Greek popular medicine, a herbal tea made of caper root and young shoots is considered to be beneficial against rheumatism. Dioscoride (MM 2.204t) also provides instructions on the use of sprouts, roots, leaves and seeds in the treatment of strangury and inflammation.

 

Different flavonoids were identified in caper bush and capers: rutin (quercetin 3-rutinoside), quercetin 7-rutinoside, quercetin 3-glucoside-7-rhamnoside, kaempferol-3-rutinoside, kaempferol-3-glucoside, and kaempferol-3-rhamnorutinoside. Rutin is a powerful antioxidant bioflavonoid in the body, and is used as a dietary supplement for capillary fragility. Rutin has no known toxicity. Capers contain more quercetin per weight than any other plant.

 

Caper root bark and leaves may have some anticarcinogenic activity. In fact, the hydrolysis products of indol-3-ylmethyl glucosinolates have anticarcinogenic effects. Although the consumption of capers is low in comparison with the intake of other major dietary sources of glucosinolates (white cabbage, broccoli and cauliflower) it may contribute to the daily dose of natural anticarcinogens that reduces cancer risk. Glucosinolates are also known to possess goitrogenic (anti-thyroid) activity. Also, rutin and quercetin may contribute to cancer prevention. Selenium, present in capers at high concentrations in comparison with other vegetable products, has also been associated with the prevention of some forms of cancer.

 

Capers are good for people who suffer from mar disease.

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Uploaded on May 10, 2009
Taken on July 27, 1990