Monday 27 August 2012

CAULIFLOWER





Cauliflower is one of several vegetables in the species Brassica oleracea, in the family Brassicaceae. It is an annual plant that reproduces by seed. Typically, only the head (the white curd) is eaten. The cauliflower head is composed of a white inflorescence meristem. Cauliflower heads resemble those in broccoli, which differs in having flower buds.
Its name is from Latin caulis (cabbage) and flower,. Brassica oleracea also includes cabbage, brussels sprouts, kale, broccoli, and collard greens, though they are of different cultivar groups.
For such a highly modified plant, cauliflower has a long history. François Pierre La Varenne employed chouxfleurs in Le cuisinier françois.They had been introduced to France from Genoa in the 16th century, and are featured in Olivier de Serres' Théâtre de l'agriculture (1600), as cauli-fiori "as the Italians call it, which are still rather rare in France; they hold an honorable place in the garden because of their delicacy",but they did not commonly appear on grand tables until the time of Louis XIV

NUTRITION



Cauliflower is low in fat, low in carbohydrates but high in dietary fiber, folate, water, and vitamin C, possessing a high nutritional density.[citation needed]
Cauliflower contains several phytochemicals, common in the cabbage family, that may be beneficial to human health.
Sulforaphane, a compound released when cauliflower is chopped or chewed, may protect against cancer.
Other glucosinolates
Carotenoids
Indole-3-carbinol, a chemical that enhances DNA repair, and acts as an estrogen antagonist, slowing the growth of cancer cells.
Boiling reduces the levels of these compounds, with losses of 20–30% after five minutes, 40–50% after ten minutes, and 75% after thirty minutes. However, other preparation methods, such as steaming, microwaving, and stir frying, have no significant effect on the compounds.
A high intake of cauliflower has been associated with reduced risk of aggressive prostate cancer.





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