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Home » Which is Healthier, Raw or Cooked Foods?

Which is Healthier, Raw or Cooked Foods?

January 5, 2022 By Diane Smith 2 Comments

Disclosure: This post may contain affiliate links. As an Amazon Associate I earn from qualifying purchases.
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If you’re eating a whole food plant-based diet, you might be wondering whether it’s healthier to eat more raw foods or to follow a diet consisting of mostly cooked foods. There are pros and cons to both, and it depends on the type of vegetable and the nutrients each contains. 

Broccoli Waldorf Salad

According to Dr. Fuhrman, raw foods "supply us with high nutrient levels and are generally low in calories, too. Eating lots of raw foods is a key feature of an anti-cancer diet style and a long life." That's why it's important to eat a large raw salad every day.

While eating raw vegetables is certainly a healthy thing to do, it's also important to eat them cooked, as well.

Eating only raw food is actually a disadvantage. It narrows our nutrient diversity and "caloric needs cannot be met on a raw food diet without consuming large amounts of fruits, avocado, nuts, and seeds,” according to Dr. Fuhrman. 

To be considered raw, food cannot be heated above 104 degrees Fahrenheit (40 degrees Celsius). 

Although certain vitamins and minerals are destroyed when heated, others become more available. According to Dr. Michael Greger from nutritionfacts.org, we’ve learned that "daily salad consumption may significantly decrease one’s risk of dying from heart disease." And also,  In a study of 11,000 vegetarians and other health-conscious people, "daily consumption of raw salad was associated with a 26% reduction in mortality from ischemic heart disease."

So we know raw is good. "At the same time, we’ve known for 15 years that phytonutrients like lycopene, in tomatoes, appear protective against heart disease—and cooking dramatically boosts lycopene bioavailability Dr. Greger reports."

Many people eat raw foods to cure conditions, such as autoimmune disorders, acne, cancer, IBS, and other ailments, but there are few studies that support these claims.

Benefits of Cooking Vegetables

There are benefits to cooking your vegetables. Cooking improves digestion, increases food's net energy value, and greatly helps with chewing - the first stage of digestion. Another factor to consider is the method of cooking.

Certain types of cooking, however, such as frying, roasting, or barbequing - methods that create high heat and use oil, can form carcinogenic acrylamides so it's best to refrain from cooking this way (Fuhrman, 2012).

Other articles about cooking:

  • Does Pressure Cooking Preserve Nutrients
  • How to Cook Greens
  • The Best Cooking Methods

Foods that may be more nutritious when cooked:

  •     Mushrooms
  •     Asparagus
  •     Spinach
  •     Tomatoes
  •     Potatoes
  •     Legumes
  •     Carrots
  •     Celery

Benefits of Raw Food

Given the benefits of cooked foods, let’s not ignore the perks of raw food. Raw foods contain phytonutrients - natural plant chemicals that may help prevent disease and keep the body working properly. Examples of phytonutrients include carotenoids, flavonoids, glutisolinates, and phytoestrogens. 

Many of these compounds are destroyed when they’re heated or processed. Further, water-soluble nutrients, such as B and C vitamins, seep out during cooking. A review published in the Journal of the Science of Food and Agriculture found that up to 55% of vitamin C in vegetables is lost during the cooking process, compared to raw vegetables. 

Raw food advocates assert that raw diets contain natural enzymes, which have digestive and other benefits. Although these enzymes are destroyed when heated, human beings produce their own natural digestive enzymes and many plant enzymes are destroyed in the human gut. There is insignificant evidence to support the idea that natural enzymes are the primary reason to eat raw food. 

Be sure to check out some of my delicious raw salads:

  • Waldorf Salad with Walnuts & Raisins
  • Arugula Apple Beet Salad
  • Romaine Salad with Kale, Apples, and Cranberries
  • Cucumber Tomato Salad

Green cruciferous vegetables, including broccoli, cabbage, kale, and collards have more vitamins and minerals per calorie than any other food. To get the most out of these foods, some must be cooked and others kept raw. Myrosinase, an enzyme in green cruciferous veggies, is deactivated when heated. (Furhman, 2012)

Simply put, many of the vitamins and minerals associated with vegetables are more bioavailable when cooked, and the body can easily absorb the nutrients, but some veggies should be left raw.

The Best Raw Foods

Vegetables that are more beneficial when eaten raw (for some nutrients), include:

  •     Bell peppers
  •     Onions
  •     Garlic
  •     Broccoli

The truth is, the question of whether raw or cooked foods are better is complex and science has yet to fully establish how different plant molecules interact with the human body. Regardless of how your food is prepared, eating fruits and veggies is crucial to maintaining your health. Foods often taste better when cooked and if that makes you eat more vegetables then, by all means, eat cooked foods. 

The consensus among nutrition experts is that a combination of raw and cooked foods is best for getting the most vitamins and minerals. The bottom line is - some nutrients are lost when veggies are cooked, but others become more available for the human body to absorb. Just remember, the best way to prepare your fruits and veggies is whichever method helps you eat the most of them!


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Comments

  1. joan hadash

    January 7, 2022 at 11:02 am

    i would like to print this information so it will be helpful to me.

    Reply
    • Diane Smith

      January 7, 2022 at 12:15 pm

      Hey Joan, Web pages like this can be printed but you’ll get all of the photos and extras, like the sidebar. I’ll email you a Word doc with just the article info. If you want to do it yourself in the future, I’d suggest using a word processing program like Word, then copy and paste just the content you want into a doc. I hope that helps.

      Reply

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