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31 Oct, 2013

Potato Power!

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Potato Power!

It may come as a surprise to you to discover that one medium-sized boiled potato with the skin contains about 45% of the daily recommended value of vitamin C, and as much or more potassium than bananas, spinach or broccoli. It also accounts for 10% of the daily value of vitamin B6 and trace amounts of thiamin, riboflavin, folate, magnesium, phosphorous, iron and zinc.

 

Regrettably, however, we tend to consume potatoes as oily fries, or potato chips, and baked or boiled potatoes are generally dressed in fats like cheese sauces, butter or sour cream. To get the most out of the power of this delicious veggie, it’s important to get rid of the frills. Instead, we can focus on the three types of potatoes us South Africans are used to and what athletes need to keep note of if they’re fueling for a long run or ride.

 

KEEPS YOU GOING

We are all familiar with the white (or yellow) potatoes, sweet potatoes and new (baby) potatoes. All of these varieties contain roughly the same amount of vitamins and minerals per standard portion. Potatoes mostly differ from one another in their starch content and type, which affects not only how fast they’re digested, but how they act when cooked.

?         Boiling usually results in a lower glycaemic index (GI), since starch can bind with water. The dry heat of baking, on the other hand, lowers moisture and concentrates the sugar in the potato. Keeping the skin on will also contribute to a lower GI as the fibre in the skin helps to decrease the rate at which the sugar is absorbed into the blood after digestion.

?         White potatoes, whether you have them mashed, baked, as fries or potato chips, have a high GI, which means that their carbohydrates are quickly turned into sugar, which elevates your blood sugar levels quickly after they have been consumed.

?         Also known as baby or creamer potatoes, new potatoes are any potatoes which are gathered young, just before their sugars are completely transformed into starch. It is due to this that they have an intermediate GI.

?         Rich in vitamin A and beta-carotene, the sweet potato offers complex carbohydrates (due to their higher fibre content) along with antioxidant nutrients. Boiled sweet potatoes also have a low GI.

 

REFUEL, REPLENISH

There are no two runners on the face of the earth who are exactly alike, so it is important to keep in mind that what works for one runner may not work for everyone. It is important to fuel every 45 to 60 minutes during a long ride or run of 90 minutes or more, with around 30g to 60g (three to four new potatoes) of carbohydrate per hour. Just remember to always test new fuelling snacks during trial runs or rides.

 

Out of the potatoes mentioned above, the new potatoes will do the best refuelling job, as they have an intermediate GI and are easier to consume and digest – due to their lower fibre content – during a long ride or run. The intermediate GI will not only provide you with a quick surge of energy, but will assure that you have sustained energy levels for longer. By adding a little salt to the baby potatoes, it can become a lovely savoury treat during a long ride and can also help to replace sodium lost through sweat. New potatoes can also be consumed as your starch after the race to help with refuelling of your carbohydrate stores.


Dijon mustard potato salad

Try this simple recipe to have with your lean protein and fresh vegetables.

 

Serves 4

Prep time: 10min

Cooking time: 15min

 

Ingredients:

12-16 new potatoes (scrubbed) and halved

1 tbsp. white wine vinegar

1-2 tbsp. Dijon mustard

Coarse salt and ground pepper (according to taste)

2 tbsp. olive oil

? cup chopped fresh flat leaf parsley

 

Method:

?         Place the new potatoes in a pot of lightly salted boiling water (1/4 to ? tsp. salt). Cover and simmer for 15 minutes or until tender, then drain.

?         In a large bowl, combine the white wine vinegar and Dijon mustard, season with salt and pepper.

?         Add the hot cooked potatoes and toss all the ingredients together.

?         Let cool, tossing occasionally.

?         Add the oil and parsley to the cooled potato mixture. Season with salt and pepper, and toss.