How to Keep Nutrients in Veggies
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Never soak your veggies, because they can remove key nutrients like vitamin C. Rinse them well before using.
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To preserve water-soluble minerals and vitamins, cut the vegetables into large pieces or cook them whole. For example, baked potatoes keep more nutrients than mashed potatoes.
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As a general rule, keep cooking temperature, time, and the amount of liquid to a minimum. That is why steaming is one of the best ways to cook veggies.
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Microwaving broccoli can reserve up to 80% of its vitamin. Microwaving seems to be a good choice for cooking the vegetables.
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Roasting or baking is another healthy option for most vegetables, while grilling with little to no oil is shown to be a good choice for celery, onions, green beans, beets and Swiss chard.
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Sautéed vegetables need a bit of oil, but that is not a bad thing if you use a heart-healthy choice like canola or olive oil. Add some garlic and spices for good flavor. Chop or smash the garlic first to release enzymes that decrease blood vessel clots.
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Tomatoes are known for its good source of lycopene, which is a phytochemical that gives the red color. Recent study showed that the antioxidant power of the tomato is more boosted when the tomatoes are cooked.
Christelle Bedrossian
Dietitian-Nutritionist
Beirut, Lebanon