Radish is one of the nutritious root vegetables featured in both raw salads as well as in main recipes. This widely used root vegetable belongs to the family of Brassica. In Chinese culture, radish along with cabbage and soybean curd (tofu) believed as healthy and sustenance food items. A popular Chinese proverb goes like this, "eating pungent radish and drinking hot tea, let the starved doctors beg on their knees."
The vegetable is thought to have originated in the mainland China centuries ago, and today, it is one of the widely cultivated crops throughout the world. Botanical name: Raphanus sativus.
|Red globe radishes
|White icecle radish|
Radishes can come in different forms; widely varying in size, color, and crop duration. They broadly categorized into four main types depending upon the harvest season; summer, fall, winter, and spring. Growers classify them by their shapes, colors, and sizes, such as black or white with round or elongated roots.
The sharp, pungent flavor of radish comes from "isothiocyanate" compound in them, varying from mild in the case of white-icicles to very hot in the red globe and other pigmented varieties. Tender top greens of radish are also eaten as leafy greens in some parts of the world.
Daikon or Japanese radish is native to Asia. It is grown during winter months and features elongated smooth, icy-white roots.
|Black spanish radish.||Green Chinese (lobok) radish.||Purple varieties.
Black Spanish radishes私人电影网 are peppery and more flavorful than their white counterparts.
Green radish is native to Northern China region. Its outer peel near the top stem end features leafy-green color which, gradually changes to white color near the lower tip. Inside, its flesh has beautiful jade-green color, sweet and less pungent flavor.
Watermelon radishes私人电影网 have watermelon like flesh inside. They are less peppery but mildly sweet something similar to that of white icicle varieties.
When left to grow for longer than the usual root-harvest period, all kinds of radish bear small flowers, which subsequently develop into edible fruit pods. Rat-tailed私人电影网 radish is a type of seed-pod variety grown exclusively for their long rat-tail like tapering edible pods. The pods feature a mixture of mild radish flavor and spiciness. Immature pods have best flavor.
They are one of very low-calorie root vegetables. Fresh root provides just 16 calories per 100 grams. Nonetheless; they are an excellent source of antioxidants, electrolytes, minerals, vitamins, and dietary fiber.
Radish, like other cruciferous and Brassica family vegetables, contains isothiocyanate antioxidant compound called sulforaphane. Studies suggest that sulforaphane has proven role against prostate, breast, colon and ovarian cancers by its cancer-cell growth inhibition, and cytotoxic effects on cancer cells.
Fresh roots are a good source of vitamin-C; provide about 15 mg or 25% of DRI of vitamin C per 100 g. Vitamin-C is a powerful water soluble antioxidant required by the body for synthesis of collagen. It helps the human body scavenge harmful free radicals, prevention from cancers, inflammation and help boost immunity.
Also, they contain adequate levels of folates, vitamin B-6, riboflavin, thiamin and minerals such as iron, magnesium, copper and calcium.
Further, they contain many phytochemicals like indoles which are detoxifying agents and zeaxanthin, lutein, and beta-carotene, which are flavonoid antioxidants. Their total antioxidant strength, measured regarding oxygen radical absorbance capacity (ORAC value), is 1736 µmol TE/100 g.
|Principle||Nutrient Value||Percentage of RDA|
|Total Fat||0.10 g||<1%|
|Dietary Fiber||1.6 g||4%|
|Vitamin A||7 IU||<1%|
|Vitamin C||14.8 mg||25%|
|Vitamin E||0 mg||9%|
|Vitamin K||1.3 µg||1%|
|Fresh radishes in a market.||Korean- radish. Note for its large size.|
In general, radishes can be available year-round; with the peak season being winter and spring. Daikons are most flavorful and juicy during winter.
Look for the roots that feature fresh, stout and firm in texture. Their top greens also should be fresh and feature crispy green without any yellow, shriveled leaves. Avoid roots that have cracks or cuts on their surface. Look carefully for the change in their texture and color. Yellowness indicated the stock is old. If the root yields to pressure and soft, the interior likely be pithy instead of crispy.
Once at home, remove their top greens since they rob nutrients off the roots if left intact. Then wash thoroughly with clean water to rid off surface dust and soil. Store them in a zip pouch or plastic bag in the refrigerator where they remain fresh for up to a week.
私人电影网Both root and top greens employed in cooking. Peeling may be avoided as the anti-oxidant allyl-isothiocyanates, which gives a peppery, pungent flavor to radish, are thickly concentrated in the peel. Wash the root thoroughly, trim the tip ends, and if you have to peel, then gently pare away superficial thin layer only.
Here are some serving suggestions:
|Watermelon radish slices. Photo courtesy:||Elongated red skin radishes.|
In French breakfast, radishes served with sweet butter and salt.
The roots mixed with other vegetables in the preparation of steamed, stir-fried or sauteed recipes in many regions.
私人电影网In North India and Pakistan, the root is grated and mixed with spice and seasonings and stuffed inside bread to prepare "mooli parantha."
Pickled daikon (kimchi) is a traditional Korean specialty.
Radish pods (moongre in India) are eaten raw in salads or stir-fries in many parts of Asia.
Radishes may contain goitrogens, plant-based compounds found in cruciferous and Brassica family vegetables like cauliflower, broccoli, etc. Goitrogens may cause swelling of the thyroid gland and should be avoided in individuals with thyroid dysfunction. However, they may be used liberally in healthy persons. (Medical disclaimer).
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Stanford School of Medicine Cancer information Page- (Link opens in new window).
: a Potent Inducer of Phase II Detoxication Enzymes J. W. FAHEY and P. TALALAY.