Tag Archives: Gamma-carotene

What are Carotenoids?

The food you eat does so much more than taste good. One of the most amazing ingredients you can add to your diet are carotenoids. These antioxidant promote eye and skin health as well as providing protection from certain cancers. Our comprehensive guide tells you just what carotenoids are, what they do for you and how you can add some to your diet.

Carrots on a wooden table

What are Carotenoids?
Carotenoids are plant pigments that your body converts into vitamin A. These plant pigments are responsible for the bright red, orange or yellow hue found in fruits and vegetables and are a class of plant pigments known as phytonutrients. Brightly colored red, orange and yellow are not the only fruits and vegetables that contain carotenoids. In fact, kale is one of the greatest sources of dietary vitamin A but the chlorophyll in the plant masks the signature red, orange or yellow color of the vegetable. Generally speaking for both bright vegetables and dark, leafy greens, the deeper in color the fruit or vegetable is, the higher the concentration of carotenoids is.

Carotenoids include:

  • Alpha-carotene
  • Beta-carotene
  • Gamma-carotene
  • Cyptoxanthin
  • Beta-zeacarotene
  • Lycopene
  • Zeaxanthin
  • Lutein
  • Capsanthin
  • Canthaxanith

Of these carotenoids, the highest concentration of vitamin A is beta-carotene but the others are just as important. Even those carotenoids that are not converted into vitamin A in the body like lycopene, lutein and capsanthin, are beneficial to your health in that they have incredible cancer-fighting powers. There is ample research to suggest that lycopene, while not a source of vitamin A, helps to reduce the risk of prostate cancer.

What do Carotenoids do?
While some carotenoids are effective at fighting cancer, they are also a valuable preventive tool. Research regarding beta-carotene, the carotenoid with the greatest amount of vitamin A, shows that those who eat foods rich in beta-carotene have a lower risk of developing lung cancer, even among smokers. The study also indicated that the maximum benefits were seen when beta-carotene was provided in the form of plants and vegetables as opposed to taking a vitamin A supplement. In fact three research studies that involved 169,000 participants, of whom many were smokers, the beta-carotene supplement actually increased rates of lung cancer. However, lutein, lycopene and alpha-carotene showed significant protection against lung cancer.

Experts believe that the variation in carotenoid protection is dependent upon when you take carotenoids. For instance, if you take beta-carotene prior to cells undergoing any pre-cancerous changes, beta-carotene reduces the likelihood that mutations will take place due to the antioxidant actions this carotenoid provides. Conversely, taking a beta-carotene supplement after the mutation of cells suggests that beta-carotene may protect the mutated cells from being destroyed by your body.

In addition to fighting cancer, carotenoids that are converted into vitamin A provide your body with important health benefits. One of the most important uses for vitamin A is eye health. The old maxim that carrots are good for your eyes really is rooted in fact. Vitamin A is essential for eye health and preventing vision loss. Your heart also received health benefits from carotenoids, particularly when combined with vitamins E and C. The carotenoid beta-carotene has also been shown to protect the skin against environmental damage and toxins due to its antioxidant properties.

How do you get Carotenoids?
Now that you know why it is so important to get carotenoids into your body, you probably want to know how you can do that. Some of the very best dietary sources of carotenoids include:

  • Kale
  • Carrots
  • Sweet potatoes
  • Spinach
  • Beef liver
  • Cantaloupe
  • Tomatoes
  • Eggs

Eating a diet rich in carotenoids is an excellent thing to do for your overall health and you can easily incorporate these foods into your diet. While experts recommend dietary carotenoid as the most beneficial for your body, there are certainly dietary supplements available if you are concerned you aren’t receiving enough from your food. Stock up on these fruits and veggies to keep your eyes, heart and cells healthy in addition to getting the healthiest skin of your life.