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Radicchio

Nutritional Information

1 cup shredded, radicchio

  • Calories 9
  • Calories from Fat 0.9
  • Amount%DV
  • Total Fat 0.1g0%
  • Saturated Fat 0.024g0%
  • Monounsaturated Fat 0.004g
  • Polyunsaturated Fat 0.044g
  • Cholestreol 0mg0%
  • Sodium 9mg0%
  • Potassium 121mg3%
  • Total Carbohydrate 1.79g1%
  • Dietary Fiber 0.4g2%
  • Sugars 0.24g
  • Protein 0.57g1%
  • Calcium 1mg0%
  • Iron 1mg6%
  • Vitamin A 0%
  • Vitamin C 5%

When In Season:

    California (Northern): April (early) - December (late)
    Minnesota: July (early) - September (late)

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Radicchio on Wikipedia:

Radicchio

Radicchio is a leaf chicory (Cichorium intybus, Asteraceae), sometimes known as Italian chicory. It is grown as a leaf vegetable which usually has white-veined red leaves. It has a bitter and spicy taste, which mellows when it is grilled or roasted.

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History

Humans have been using radicchio since ancient times. Pliny the Elder wrote of it in Naturalis Historia, praising its medicinal properties; he claimed it was useful as a blood purifier and an aid for insomniacs. In fact, radicchio contains intybin, a blood and liver tonic, as well as a type of flavonoid called anthocyanins.

Modern cultivation of the plant began in the fifteenth century, in the Veneto region of Italy, but the deep-red radicchio of today was engineered in 1860 by the Belgian agronomist Francesco Van den Borre, who used a technique called imbianchimento (whitening) or preforcing to create the dark red, white-veined leaves. Radicchio plants are taken from the earth and placed in water in darkened sheds, where lack of light and ensuing inhibition of chlorophyll production cause the plants to lose their green pigmentation.

Varieties of radicchio

The varieties of radicchio are named after the Italian regions where they originate: the most ubiquitous variety in the United States is radicchio di Chioggia, which is maroon, round, and about the size of a grapefruit. Somewhat less common in the States is the radicchio di Treviso, which resembles a large Belgian endive: other varieties include Tardivo, and the white-colored radicchio di Castelfranco, both of which resemble flowers and are only available in the winter months.

In the same way that the Parmigiano-Reggiano cheese-makers of Parma, Italy, have sought to protect the name ``Parmesan`` to signify only cheeses made in their region under the supervision of a regulating body, so too have the radicchio farmers of the Veneto sought to protect the names of some radicchio varieties, including Tardivo.

Other varieties include: Gorizia (also known as ``cicoria zuccherina``), Trieste (biondissima) and Witloof/Bruxelles (also known as Belgian lettuce).

Culinary uses

In Italy, where the vegetable is quite popular, it is usually eaten grilled in olive oil, or mixed into dishes such as risotto: in the United States it is gaining in popularity but is more often eaten raw in salads. As with all chicories, if grown correctly its roots can be used to mix with coffee. It can also be served with pasta, in strudel, as a poultry stuffing, or as part of a tapenade.

Use and toxicity

According to traditional folklore, long-term use of chicory as a coffee substitute may damage human retinal tissue, with dimming of vision over time and other long term effects.[6] Modern scientific literature contains little or no evidence to support or refute this claim. Root chicory contains volatile oils similar to those found in plants in the related genus Tanacetum which includes Tansy, and is likewise effective at eliminating intestinal worms. All parts of the plant contain these volatile oils, with the majority of the toxic components concentrated in the plants root. [1]

Chicory is well known for its toxicity to internal parasites. Studies indicate that ingestion of chicory by farm animals results in reduction of worm burdens, which has prompted its widespread use as a forage supplement. There are only a few major companies active in research, development, and production of chicory varieties and selections. Most of them are in New Zealand.

Cultivation

Radicchio field

Radicchio is easy to grow but performs best in a spring (USDA Zone 8 and above) and fall (everywhere) gardens. It prefers more frequent but not deep watering, the amount of water varying based on soil type. Infrequent watering will lead to a more bitter tasting leaf. However, for fall crops the flavor is changed predominantly by the onset of cold weather (the colder, the mellower), which also initiates the heading and reddening process in traditional varieties. There are newer, self-heading varieties whose taste is not yet as good as a traditional variety which has matured through several frosts or freezes (E.g., Alouette). Radicchio matures in approximately three months. However, it can be made to stand through a UK or West European winter, and the head will regenerate if cut off carefully above ground level, so long as the plant is protected against severe frost. A light-excluding cover, e.g. an inverted pot, may be used during the latter phases of growth to produce leaves with a more pronounced colour contrast, simultaneously protecting against frost and cold winds. Traditionally in the UK, the first cutting of all chicory heads was simply thrown away, and the tender, forced, second head was for the table. However, improved varieties of radicchio, e.g. Rosso di Verona, and generally milder winters allow the West European cultivator to harvest two or more crops from a single planting. If the head is cut off complete, just above the root, a small, new head will grow, especially if minimal frost protection is given. This process can be repeated a number of times.

Sources

http://www.gourmetsleuth.com http://www.foodnetwork.com http://www.radicchio.com http://italianfood.about.com http://www.innvista.com/health/foods/vegetables/chicory.htm http://www.theworldwidegourmet.com/vegetables/salads/raddichio.htm http://www.cuisinenet.com/digest/season/spring/late/veg.shtml

References

^ Edible and Medicinal Plants of the West, Gregory L. Tilford, ISBN 0-87842-359-1

External links

Radicchio image at gourmetsleuth.com Salad Recipe History of Radicchio with recipes U.S. radicchio producers Original US Radicchio Producers