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Monday 10 January 2011

Oranges. The Whole greater than the Sum of it's parts!

I take it all of you enjoyed those wonderfully nutritious and beneficial stocking fillers on Christmas Day!
For some of us it was the only thing in our Christmas stocking (weep), but the humble Orange packs a mighty punch, and according to recent research, no amount Vitamin C powder, tablet or whatever supplement form gets dreamt up, can in the end replace the simple, peeling, eating, juicing, squeezing of this natural wonder.

An Orange is NOT just for Christmas!


Researchers have been looking why the WHOLE is so much better for you than it's components when taken separately. That would be the 'sum of it's parts' bit then! 

In essence, researchers are looking at the benefits of supplementation that contains vitamins, minerals and other beneficial substances as close to their original food state as possible, which would hopefully have a greater benefit to health than what already exists in the wider market.
For the Orange that would be to capture the best benefits of peeling and eating an Orange, as well as drinking the squeezed juice.

Eat whole, fruit salad, juice, smoothie!!


The team at Brigham Young University, Utah, USA, have been considering what it is in the nature and structure of the Orange that makes it so much better than current Vitamin C supplementation, BYU assistant professor of nutrition, dietetics and food science, Tory Parker:


"There's something about an orange that's better than taking a vitamin C capsule, and that's really what we're trying to figure out. We think it's the particular mixture of antioxidants in an orange that makes it so good for you."

 
Once reserved for special occasions in medieval times due to their expensive nature, and then becoming a staple for the contents of the Christmas Stocking ever since the reign of Queen Victoria, the Orange is now very much affordable and available and one of the most popular and most used fruits in the world.

Not only providing excellent levels of Vitamin C, but also dietary Fibre, Folate, energy producing Vitamin B1 and Calcium amongst other Vitamins and minerals, Oranges also contain more than 60 Flavonoids that provide a powerful anti-inflammatory/antioxidant effect by interacting with Vitamin C and hopefully providing protection against oxidative damage to cell structures, including DNA.

Foods or Supplements.Can they both be effective?

What previous studies have shown prior to BYU's work has suggested that Vitamin C are more readily absorbed when consumed together with other biological active Flavonoids or Phytonutrients contained in citrus fruits than when taken singly as maybe the case with supplement form.
BYU research wanted to look at the large combinations of antioxidants found in the orange at the same proportions they occur naturally with significant results-

"Cases where the effect of two or more antioxidants together was stronger than the sum of them separately."

 
Identifying combinations of antioxidants found not only in Oranges, but also in Blueberries and Strawberries the University team were able to identify specific compounds within the fruit, for instance in Oranges, hesperidin which has been shown to lower high blood pressure as well as Cholesterol in animal studies, and naringenin that together when working with Vitamin C provide the greatest antioxidant punch and hence potential benefit to health.


Whilst the best antioxidant mixtures are further studied and developed by commited teams such as those led by head author Brenner Freeman and Tory Parker at BYU, one thing is for sure, as l point out to my patients and will always hopefully portray in these articles, eating the healthy, hopefully Organic (or well washed) fruit will be more beneficial to the majority than the parts that make up the supplement!

Journal Reference:
  1. Brenner L. Freeman, Dennis L. Eggett, Tory L. Parker. Synergistic and Antagonistic Interactions of Phenolic Compounds Found in Navel Oranges.Journal of Food Science, 2010; 75 (6): C570 DOI : 10.1111/j.1750-3841.2010.01717.x



And though l don't calorie count...at just 62 Calories, what better food as part of a well balanced diet could there be!


Find fruits your enjoy-make up a fruit salad on the weekends for the days ahead!




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