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news-trition 11: nutrients are lost when boiling veggies!

· newstrition

When it comes to boiling, water-soluble nutrients can be lost to some extent during the cooking process. Water-soluble nutrients include certain vitamins, such as vitamin C and some B vitamins, as well as minerals like potassium.

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Boiling involves submerging food in water and heating it to its boiling point. During this process, water-soluble nutrients can leach out of the food and dissolve into the surrounding water. The extent of nutrient loss depends on various factors, including the specific nutrient, cooking time, temperature, and the volume of water used.

  1. Duration of Cooking: The longer the food is boiled, the more time there is for water-soluble nutrients to leach out into the cooking water. Extended boiling can result in greater nutrient losses.
  2. High Heat: Using high heat during boiling can further accelerate the nutrient loss process. It's generally recommended to cook food over moderate heat to minimize nutrient losses.
  3. Water Volume: The amount of water used for boiling can affect nutrient loss. Using excessive water can increase the potential for nutrient leaching. Minimizing the amount of water used can help reduce nutrient loss.
  4. Recycling Cooking Water: If the cooking water is discarded after boiling, the dissolved nutrients will be lost. However, you can retain some of the nutrients by using the cooking water in soups, stews, or other recipes where the liquid is consumed as part of the dish.

Water-soluble vitamins, such as vitamin C and the B vitamins, dissolve in water and are easily absorbed into the bloodstream. They are not stored in large amounts in the body and need to be consumed regularly as excess amounts are excreted in urine.

Fat-soluble vitamins, such as vitamins A, D, E, and K, dissolve in fat and are absorbed along with dietary fat in the small intestine. They are stored in the body's fatty tissues and liver, and can be used by the body when needed. Excess amounts of fat-soluble vitamins can accumulate in the body and may lead to toxicity if consumed in large doses over a prolonged period.

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To minimize nutrient loss when boiling, you can take a few steps:

  • Use minimal water: Use only the necessary amount of water for boiling to minimize nutrient leaching.
  • Cook for shorter durations: Cook food for the shortest time possible (called "blanching") while ensuring it is safely cooked and palatable.
  • Use the cooking water: If appropriate, incorporate the cooking water into your dish to retain some of the nutrients.

It's worth noting that while boiling can lead to some nutrient loss, it can also improve the digestibility of certain foods and kill harmful bacteria. To maximize nutrient intake, it's advisable to incorporate a variety of cooking methods (such as steaming, stir-frying, and raw consumption) and to include a diverse range of fresh fruits, vegetables, and other nutrient-rich foods in your diet.

 

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