Steaming is one of the best cooking methods for preserving nutrients, including water-soluble vitamins, which are sensitive to heat and water ( 4 , 5, 6, 17 ). Researchers have found that steaming broccoli, spinach, and lettuce reduces their vitamin C content by only 9–15% (5). 24 янв. 2017 г.
Does steaming retain vitamin C?
Steaming and microwaving retained higher concentrations of vitamin C than boiling because of the reduced contact with water at relatively low temperatures. Using minimal cooking water and cooking for shorter time periods should result in higher vitamin C retention.
Can vitamin C be destroyed by heat?
Vitamin C can be destroyed by heat and light. High-heat cooking temperatures or prolonged cook times can break down the vitamin. Because it is water-soluble, the vitamin can also seep into cooking liquid and be lost if the liquids are not eaten.
Does boiling water destroy vitamin C?
Vitamin C is water-soluble. It isn't just heat that destroys Vitamin C; it is heated water that steals it before it gets into your system. Many common cooking methods, like boiling, can cause the vitamin to leach out of food.
Does steaming destroy antioxidants?
Next to boiling, steaming is the second most detrimental cooking method to antioxidant content. Steaming is a common cooking method, especially when you're looking to avoid adding oil to cook your vegetables.
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