Broccoli

 

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Broccoli is one of the most healthful foods you can eat--a real nutritional powerhouse. Along with a rich supply of vitamins and minerals--notably vitamin C, folate (folic acid), and potassium--it contains the phytochemical sulforaphane, which helps reduce the risk of cancer. In addition, broccoli contains a good amount of beta-carotene. And, unless you drown it in cheese sauce, broccoli is (like all green vegetables) low in calories and virtually fat-free.

A close relative of cauliflower, broccoli has grown wild in Mediterranean areas for hundreds of years; domestic broccoli was first cultivated in the North America in the Twenties. Since then, it has become one of the best-selling members of the Brassica genus (which also includes cabbage, Brussels sprouts, and other so-called cruciferous vegetables).

Storage

Refrigeration slows the conversion of sugar to lignin, thereby preserving texture and flavor; keeping broccoli chilled also protects vitamin C content. Store broccoli in an open plastic bag in the refrigerator crisper, which will provide the right balance of humidity and oxygen. Do not wash broccoli before storing; although it needs moisture to remain fresh, any water on its surface will encourage spoilage.

Fresh broccoli is at its best if used within a day or two of purchase, but it will keep for up to four days in a crisper. Once cooked, any leftovers may be refrigerated for two to three days in a tightly covered container.

Preparation

Very fresh young broccoli can be served raw as an hors d'oeuvre, or in salads. Its taste and texture, however, don't agree with all palates; in general, most people prefer broccoli cooked. Whichever way you serve the vegetable, first rinse it under cold running water.

Most people cut off and discard the leaves; however, they are eminently edible and contain even more beta-carotene than the florets. If you wish, peel the stalks--which get tougher the longer you keep the broccoli--but remove only a thin layer to preserve the nutrients.

Cooked broccoli should be tender enough so that you can pierce the stalks with a sharp knife, but it should still remain crisp and bright. You can achieve this level of doneness with any of the methods that follow; however, steaming and microwaving preserve more of the nutrients. Because the broccoli florets tend to cook much faster than the stalks, either split the stalks about halfway up or cut an X in the bottom of each stalk. Another option is to cut off the florets and add them to the pot after the stalks have cooked for two to three minutes. You can also cut both the florets and stalks into smaller pieces for fast, even cooking.

For boiling or steaming, use a non-aluminum pot or pan, since aluminum appears to heighten broccoli's cooking odors.

Boiling: Boiling broccoli, uncovered, in a large pot with plenty of water has the greatest dispersing effect on the chemical compounds released by cooking, and can thereby yield a milder taste. But boiling in a large amount of water results in a loss of vitamin C and allows about half of the indole content to escape. If you choose this method, however, bring the water to a rapid boil before adding the broccoli. Cooking time: five to seven minutes.

Microwaving: Arrange one pound of broccoli, in wheel-spoke fashion, in a microwaveable dish, with the florets pointing toward the center. Add 1/4 cup water and cover. Halfway through the cooking time, rotate the container. Cooking time: six to 10 minutes.

Steaming: Not only does steaming preserve the most nutrients, but it also keeps the florets from breaking apart. After steaming for one to two minutes, uncover the pot for 10 to 15 seconds, to disperse the strong-tasting sulfurous compounds that form in cooking. Cooking time: five to seven minutes.

Stir-frying: Stir-fry for two minutes, then add a little broth or water, cover the pan and let steam until crisp-tender. Cooking time: four to five minutes.

Nutrition Chart

Broccoli/1 cup cooked
Calories
44
 
Total fat (g)
0.5
 
Saturated fat (g)
0.1
 
Monounsaturated fat (g)
0
 
Polyunsaturated fat (g)
0.3
 
Dietary fiber (g)
4.5
 
Protein (g)
5
 
Carbohydrate (g)
8
 
Sodium (mg)
41
 
Beta-carotene (mg)
1.3
 
Vitamin C (mg)
116
 
Vitamin E (mg)
2.6
 
Folate (mcg)
78
 
Manganese (mg)
0.3
 
Potassium (mg)
456
 
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