Do You Know The best way to Retailer Potatoes?

Editor’s Notice: This text is a reprint. It was initially printed April 8, 2017.

To most, it could appear as if storing sure veggies in a cool place, such because the storage, again porch and even the fridge, could be a good suggestion. It’d hold them cooler and assist them last more, proper?

Seems, that is not the way it works with potatoes. When potatoes get chilled, the starch in them turns to sugar they usually turn into powerful. They may look OK, however after they’re cooked, they could emit dangerous properties that they would not have, in any other case. They will turn into not simply barely shrunken and wrinkly, however probably poisonous.

Here is what occurs: When potatoes are chilled, an enzyme often called invertase breaks down the sucrose (aka sugar) they comprise and turns it into fructose and glucose, additionally known as dextrose, the primary sugar manufactured by your physique and your chief supply of vitality.1

These two sugars, fructose and glucose, mix with the amino acid asparagine in potatoes and type acrylamide after they’re baked, fried or in any other case heated, in accordance a research printed in Danger Evaluation.2

This does not occur with frozen potatoes, nevertheless, as a result of sucrose does not get damaged down by very low temperatures. An article from New Scientist explains:3

“Acrylamide is made by one thing known as the Maillard response, which browns cooked meals and provides them their pleasing taste. As sugars and amino acids react collectively, they produce hundreds of various chemical substances.

Notably excessive ranges of acrylamide are present in starchy meals, like potatoes and bread, when cooked at temperatures over 120 [degrees] C. The chemical may also be current in breakfast cereals, biscuits and low.”

As a matter of reality, acrylamide kinds when potatoes or different starchy meals are browned to the purpose of charring, or above 250 levels F (120 levels C).4 This may be true with baked, grilled, sautéed or roasted starchy veggies, in addition to with grains and even espresso.

Acrylamide and The best way to Keep away from It

In 2002, the world realized via the Swedish Nationwide Meals Authority5 that acrylamide is not thought of a possible genotoxic carcinogen linked to an elevated threat of most cancers, however a confirmed trigger, one thing that many consultants say they suspected all alongside.6

Additional, acrylamide converts in your physique to a different compound often called glycamide, which research present can bind to your DNA and trigger mutations. Animal research point out that acrylamide does certainly trigger a number of forms of most cancers.7

Nonetheless, this may occasionally not translate constantly or clearly to people, in keeping with Emma Shields, previously from Most cancers Analysis UK, who provides that whereas it might be troublesome to show the most cancers hyperlink in folks, there is no assure it does not harm human DNA, as properly. Way of life elements might weigh in on this impact, although, Shields mentioned.8

“It is necessary to keep in mind that there are lots of well-established elements like smoking, weight problems and alcohol, which all have a huge impact on the variety of most cancers instances within the U.Okay.”

Acrylamide could be present in as a lot as 40% of the energy consumed by the typical American, the U.S. Meals and Drug Administration (FDA) says.9 It is also a given that the majority processed meals, as a result of they have been subjected to excessive temperatures, comprise acrylamide. Potato chips are an ideal instance.

Consuming largely uncooked greens brings you the best well being advantages, however once you do topic them and different meals to warmth, achieve this on the lowest attainable temperatures, cooking them simply till carried out, and avoiding frying, baking or broiling every time attainable. Normally, cook dinner at a decrease temperature every time attainable.

You may cut back acrylamide formation by soaking uncooked potatoes in water for 15 to half-hour earlier than cooking. And whereas I do not usually advocate consuming potatoes and different starchy meals similar to rice and pasta, chilling them after they’re cooked will flip a portion of them into digestive-resistant starch, which could be useful in your intestine well being. For instance, potato salad could also be one of many more healthy methods to eat potatoes.

The Acrylamide Most cancers Hyperlink

Researchers at Maastricht College within the Netherlands carried out an intensive evaluate of 62,573 ladies between the ages of 55 and 69. When the info was analyzed, the scientists decided that increased intakes of acrylamide had been linked to a better threat of endometrial and ovarian most cancers, in comparison with decrease intakes.10

George Alexeeff, Ph.D., former deputy director on the Workplace of Environmental Well being Hazard Evaluation for California, mentioned his workplace undoubtedly believes acrylamide is a chemical folks needs to be involved about, and that if one thing causes most cancers in animals, it could probably trigger most cancers in people, too. Based on an interview at Los Angeles Instances:11

“The Environmental Safety Company considers acrylamide probably so harmful that it has fastened the secure stage for human consumption at virtually zero, with a most permissible stage in ingesting water of 0.5 components per billion.”

Further research additionally point out that acrylamide in meals could cause most cancers. One famous that receptor-positive breast most cancers threat is elevated when this poisonous compound has been ingested.12

Yams, Candy Potatoes and Dietary Attributes

You might already know that yams and candy potatoes are two completely different greens, and that neither yams nor candy potatoes are potatoes in any respect. The essential variations between yams and candy potatoes are their form, dimension and colour, however even grocery shops and recipes usually discuss with them interchangeably.

Candy potatoes belong to the Convolvulaceae or morning glory plant household and have two seed leaves, whereas yams have just one embryonic seed leaf. However they’re each tubers. So, the place did the confusion start?

Candy potatoes grown within the American south had been known as nyamis, the African time period for “to eat.” The shortened “yam” remains to be used immediately.13

Not as candy, yams are available in a cumbersome, roughly cylindrical form, with a skinny bark-like pores and skin and dry, starchy flesh. They arrive from the Dioscoreae household of crops associated to palms. As a result of they’re native to Africa, and are additionally grown in Asia, they are not frequent within the U.S. aside from in worldwide markets.

Candy potatoes are sweeter and extra moist (though this could range, too). They’re additionally elongated with tapered ends and easy pores and skin in hues various from beige to orange to purple, they usually can develop to a whopping 5 toes in size. The skin pores and skin could be pink, purple or brown, and the flesh wherever from white to yellow to red-orange.

Candy potatoes, with their yellow-to-orange-hued flesh, comprise two necessary antioxidant enzymes: copper/zinc superoxide dismutase and catalase. The darkish flesh colour additionally signifies the presence of beta-carotene, one other necessary antioxidant, which is transformed by your physique to vitamin A to retinol to assist shield your eyesight.

However the purple candy potato selection accommodates greater than 3 times the antioxidant energy as a consequence of anthocyanins, additionally associated to their pigmentation, which assist combat a number of forms of most cancers, together with abdomen, colon, lung and breast.14 Vitamin Information notes:15

“Most not too long ago, candy potato proteins had been tried on colorectal most cancers cells, one in all our commonest and lethal cancers.

Usually, we simply surgically take away the colon, however that solely works within the early phases since there are sometimes ‘micrometastases’ exterior the colon that may subsequently result in most cancers recurrence and demise …

So, we have been trying to find anti-metastatic brokers. Not solely does candy potato protein decelerate the expansion of colon most cancers cells, however it might additionally lower most cancers cell migration and invasion.”

White Potatoes and Purple Potatoes

Each yams and candy potatoes are famous as higher for you than common white potatoes, largely as a result of elevated antioxidants and fiber content material.

However similar to white potatoes, they need to be saved loosely (not in plastic) in a darkish, dry spot at round 50 to 60 levels Fahrenheit, however not chilly and by no means refrigerated. Uncooked candy potatoes do not freeze properly.16

The flavour of any potato, whether or not it is white, purple or candy, could be adversely affected after they’ve been saved in chilly locations.

One motive potatoes have such a popularity for being unhealthy for you is as a result of so a lot of them are made into extremely unhealthy, greasy fries. In truth, the typical American eats round 29 kilos yearly!17

Of their unprocessed type, white potatoes present vitamins similar to vitamin C, copper, B nutritional vitamins, potassium, manganese, phosphorus and fiber, together with antioxidant phytonutrients. I am not usually a fan of potatoes, particularly if eaten in extra. However they do have some wholesome attributes, particularly in the event that they’re natural and also you eat the peel. Based on vitamin group the George Mateljan Basis:18

“Potatoes additionally comprise a wide range of phytonutrients which have antioxidant exercise. Amongst these necessary health-promoting compounds are carotenoids, flavonoids and caffeic acid, in addition to distinctive tuber storage proteins, similar to patatin, which exhibit exercise in opposition to free radicals.”

When you’re wholesome, consuming white potatoes moderately is OK, however there are more healthy sources of most of the vitamins potatoes present.
Then there are purple potatoes from the Solonaceae (nightshade) household, additionally excessive in antioxidants, a undeniable fact that’s hinted in each the pores and skin and flesh colour. For hundreds of years, the purple in purple potatoes was used as a dye for textiles and even to paint different meals.

Extra Advantages of Consuming Purple Potatoes

Consuming purple potatoes has quite a few well being advantages. A 100-gram serving accommodates 1.54 grams of protein, 3.1 grams of fiber, 337 milligrams of potassium, 30 milligrams of calcium and quite a few different nutritional vitamins and minerals.19 They’re excessive in fiber and are additionally simple to digest; plus, they comprise precious electrolytes and assist forestall low potassium.20 Moreover, they:

Could assist decrease and regulate your blood stress, as a result of impact they’ve on capillaries and blood vessels.21 The potassium content material in them additionally helps on this regard, as increased intakes have been linked to lowered blood stress.22

The analysis additionally revealed that purple potatoes lowered diastolic blood stress (the underside quantity on a blood stress studying) by 4.3% and the systolic studying (the highest quantity) blood stress by 3.5%.

Could assist cut back the danger of blood clots — Thrombosis is without doubt one of the main causes of demise all through the world, however purple potato consumption may also help, due partially to the chlorogenic acid, which can break down blood clots and forestall the enzymatic exercise of procoagulant proteins and peptides.

One research confirmed that chlorogenic acid delayed blood clot growth in mice, which suggests it could possibly be used to deal with blood clots and probably forestall them.23

Comprise over-the-top ranges of antioxidants and phytonutrients — These assist combat illness by reducing irritation, particularly as a result of anthocyanins and their skill to zap free radicals. Conventional medication used these compounds to deal with hypertension (hypertension) and liver dysfunction and assist forestall eye ailments and infections.24

Comprise colon-cleansing fiber — You could possibly say fiber is the final word cleaning system as a result of it’s what helps transfer meals via your system and out of your physique. This could forestall constipation and promote regularity, amongst different advantages. Potatoes, each white and purple, comprise soluble and insoluble fiber, similar to nuts, beans and different greens similar to cauliflower and inexperienced beans.25

Fermenting Greens, Together with Candy and Purple Potatoes

There are many methods to organize each candy potatoes and purple potatoes. The necessary factor is to keep away from utilizing unhealthy oils and excessive temperatures within the preparation. That mentioned, you may ferment these veggies as simply as some other to retain optimum nutritional vitamins and minerals, and provides your physique the useful microbes it wants. Fermenting greens additionally provides drastically to the period of time they are often saved.

Mixing candy potatoes or purple potatoes with different veggies similar to cabbage, beets and celery, helps create a wonderful base, in addition to taste. Herbs and spices, similar to basil and rosemary, add a deeper taste profile. Fermenting your personal veggies is straightforward and pleasant, and you may know precisely what’s in them. If you would like to provide fermented candy potatoes a strive, a tasty fermented veggie recipe follows:


  • 2 medium-sized heads of cabbage
  • 3 1/4 kilos of carrots
  • 1/3 of a pink bell pepper
  • 1 medium-sized candy potato
  • 1/2 bunch of golden beats
  • Half of a Granny Smith apple
  • 1 bunch of parsley
  • 1/2 bunch of cilantro
  • 4 inches of ginger root, grates
  • 1 head of garlic, grated
  • Starter tradition, similar to Kinetic Tradition
  • Himalayan salt or celery juice


  1. Chop or shred your veggies.
  2. Add 1 1/2 Tbsp. of Himalayan salt to a quart of filtered or distilled water (an equal quantity of celery juice can be utilized instead of the salt/water combination) and one pre-measured packet of Kinetic Tradition for each quart of veggies.
  3. Pack the veggies right into a wide-mouth canning jar, urgent right down to get rid of air pockets.
  4. High with a cabbage leaf, tucked down excessive to verify the veggies are fully immersed.
  5. Cap loosely (do not tighten down too onerous) to permit gases to be launched, then hold the jar in a heat place at 68 to 75 levels Fahrenheit for twenty-four to 96 hours.

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