May 312017
 

Raw vs. Cooked – Which Contains More Vitamins and Minerals?

Have you heard the recommendation to eat certain foods (or all foods) raw?

 

Do you already eat a variety of healthy foods, and want to know how to get the most vitamins and minerals out of them?

 

You’re probably not surprised that there isn’t a “one size fits all” approach to maximizing the vitamins and minerals your body absorbs from foods.

 

Let me go over which types of foods are best eaten raw, and which ones are best eaten cooked to maximize their nutritional benefit.

Let’s finally put an end to the debate of raw vs. cooked.

 

Of course, in the grand scheme of a well-balanced, nutrient-dense, varied, whole foods diet, the cooked vs. raw debate isn’t that critical for most people.

 

Where this can become a consideration is for vitamin and mineral deficiencies (or “insufficiencies”). These may be due to digestion or absorption issues, or avoidance of certain foods (due to allergies, intolerances, or choice).

 

And I’ll tell you that the answer isn’t as simple as “raw is always better” or “cooked is always better.”  As with most nutrition science, it depends on several factors. Some vitamins are destroyed in cooking, while others become easier to absorb (a.k.a. more “bioavailable”).

 

 

Here is the skinny on vitamins and minerals in raw foods versus cooked foods.

 

 Foods to eat raw

 

As a general rule, water soluble nutrients, like vitamin C and the B vitamins, found mostly in fruits and vegetables, are best eaten raw.

 

The reason why is two-fold.

 

First, when these nutrients are heated, they tend to degrade; this is from any heat, be it steaming, boiling, roasting, or frying. Vitamin C and the B vitamins are a bit more “delicate” and susceptible to heat than many other nutrients.

 

Of course, the obvious way to combat these nutrient losses is to eat foods high in vitamin C and B vitamins in their raw form (like in an awesome salad like this one) or to cook them for as short a time as possible (like quickly steaming or blanching).

 

Fun fact: Raw spinach can contain three times the amount of vitamin C as cooked spinach.

 

The second reason why foods high in vitamin C and the B vitamins are best eaten raw is that they’re “water soluble.”  So, guess where the vitamins go when they’re cooked in water?  Yes, they’re dissolved right into the water; this is particularly true for fruits and veggies that are boiled and poached but even for foods that are steamed as well.

 

Of course, if you’re a savvy health nut, you’ll probably keep that liquid to use in your next soup or sauce to preserve those nutrients that are left after cooking. Just don’t overheat it or you may lose what you were aiming to keep.

 

But, how much loss are we talking about?  Well, of course, it ranges but can go from as low as 15%, up to over 50%.

 

In short, the water soluble vitamins like vitamin C and the B vitamins degrade with heat and some of what’s left over after they’re heated dissolves into the cooking water. So be sure to cook your fruits and veggies as little as possible, and keep that cooking water to use in your next recipe.

 

Soaking nuts and seeds

 

Regarding raw nuts and seeds, it may be beneficial to soak them. Soaking nuts and seeds (for several hours at room temperature) allows some of the minerals to become “unlocked” from their chemical structure, so they’re more absorbable.

 

 

Foods to eat cooked

 

Cooking certain orange and red “beta-carotene rich” veggies (e.g. tomatoes, carrots, & sweet potatoes) can help make this pre-vitamin A compound more absorbable.

 

Fun fact: One study found that absorption of beta-carotene was 6.5 times greater in stir-fried carrots than in raw carrots!

 

Of course, eating your fat-soluble vitamins with a bit of fat will help you to absorb more of them, so that’s one factor to consider.

 

One vegetable that’s best eaten both raw and cooked

 

Spinach!

 

And I’m not just saying this to get everyone to eat it any way possible (although, I would love for this to happen…unless you’re allergic, of course).

 

Spinach contains so many beneficial compounds that its great eaten both raw and cooked.

 

Eating raw spinach preserves the water-soluble vitamins C & the B vitamins.

 

Eating spinach cooked allows the pre-vitamin A, as well as some of the minerals like iron to be better absorbed. Not to mention how much spinach reduces in size when it’s cooked, so it’s easier to eat way more cooked spinach than raw spinach.

 

Conclusion:

 

The old nutrition philosophy of making sure you get a lot of nutrient-dense whole foods into your diet holds true. Feel free to mix up how you eat them, whether you prefer raw or cooked just make sure you eat them.

 

 

Recipe (cooked spinach): Sautéed Spinach

 

Serves 4

 

  • 2 teaspoons olive oil
  • 2 cloves garlic
  • 1 bag baby spinach leaves
  • 1 dash salt
  • 1 dash black pepper
  • Fresh lemon

 

 

  1. In a large cast iron pan heat olive oil.
  2. Add garlic and sauté for 1 minute.
  3. Add spinach, salt, pepper and toss with garlic and oil.
  4. Cover pan and cook on low for about 2 minutes.
  5. Sauté cook spinach for another minute, stirring frequently, until all the spinach is wilted.
  6. Squeeze fresh lemon juice on top.

 

Serve & enjoy!

 

Tip: Enjoying the cooked spinach with the vitamin C in the “raw” lemon juice helps your body absorb more of the iron.

 

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Tanya Willis has been in the Health/Wellness and Fitness Field for over two decades and has coached and trained many clients during this time. She is a certified Personal Trainer, Precision Nutrition Coach, Pilates/Aerobics/Yoga Instructor and more. She is the creator of the Busy Mama Reboot 28 day program, 10 Day Body Reset Detox, 30 Days to a New You, Holistic Weight Management System and many more on-line programs. To find out more about these life changing programs check out the testimonials and information at www.moveyourbody.ca

Tanya has created FREE Healthy Living Challenges that you can sign up for HERE, because even though we know all this “healthy stuff” it’s good to be reminded to keep it in our awareness. Tanya created the Busy Mama Healthy Mama Facebook page so that like-minded mama’s could get great healthy information and recipes in a fun and light-hearted way.

Tanya also teaches many different classes at Move Your Body Studio in Bobcaygeon, www.moveyourbody.ca and has written Healthy Snacks for Kids, Get the Skinny on Skinny Jeans & Living Vibrantly with Raw Goodness – Your Guide to Juicing & Blending, the 21 Laws of Irrefutable Fat Loss, How to Get Rid of Cellulite and more. Her blog, www.tanyamorrison.ca  has lots of great articles to help you navigate your way to the healthy life you want, tons of recipes and great tips!

Tanya presents High Performance Nutrition for Kids and Teens, How to Become an Efficient Fat Burner, hosts Raw Smoothie Parties and many more presentations. Please contact her to set up your presentation.

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References:

 

https://authoritynutrition.com/cooking-nutrient-content/

http://www.precisionnutrition.com/10-ways-to-get-the-most-nutrients

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