Potatoes | Food Initiative | Washington College (2024)

Timeframe: 3-5Days

Reduce toxic glycoalkaloidsinpotatoes through fermentation.

Industrial Pesticides and Chemicals

Pesticides are liberally applied to fields, then sprout inhibitors are sprayed on potatoes once they are harvested. Peel potatoes to remove pesticides, and seek organic potatoes.

Basic Method for Detoxifying Potatoes

  1. Peel potatoes; compost skins.
  2. Slice into smaller pieces.
  3. Tarealarge mason jar or similarvesselon a scale. Add potatoes, cover with water, and weigh.
  4. Multiply weight by 2%, and add that amount in salt to the jar. Stir or capand shake to dissolve.

    No scale? No worries! 2 pounds of potatoes covered in a half gallon mason jar will require about 40 grams of salt, or roughly 2 tablespoons.

  5. Let ferment for 3-5 days, then strain water. The fermentation reducesglycoalkaloids.Thesoaking reduces excess starch and the formation of acrylamide, atoxincreated bycooking starch.

Lacto-Fermented French Fries

  1. Dry fermented potato slices with a clean dishtowel, orspreadevenly on a baking sheet and freeze until ready to use.
  2. Preheat oven to 375°F.
  3. Drizzlelightly with a healthy fat, sprinkle with salt and desired spices, and bakefor 20 minutes to cook potatoes.
  4. Increase oven to 425°F and continue bakingfor 20 minutes for crispy fries.
  5. Serve with a homemade ranch dressingor akefir cheeseherbal dip.Enjoy!

Potatoes | Food Initiative | Washington College (1)Potato toxins are concentrated in the skins, which can also be coated in harmful chemicals.

Potatoes | Food Initiative | Washington College (2)

Ferment potatoes in a large vessel for3-5 days before cooking.

Potatoes | Food Initiative | Washington College (3)Pat potatoes dry with a clean dishcloth if making french fries.

Potatoes | Food Initiative | Washington College (2024)

FAQs

How to remove toxins from potatoes? ›

Basic Method for Detoxifying Potatoes
  1. Peel potatoes; compost skins.
  2. Slice into smaller pieces.
  3. Tare a large mason jar or similar vessel on a scale. Add potatoes, cover with water, and weigh.
  4. Multiply weight by 2%, and add that amount in salt to the jar. ...
  5. Let ferment for 3-5 days, then strain water.

How to get rid of glycoalkaloids in potatoes? ›

Peeling, boiling and frying can reduce the content of glycoalkaloids in food. For example, peeling potatoes can reduce their content by between 25 and 75%, boiling in water between 5 and 65%, and frying in oil between 20 and 90%.

Does frying potatoes remove solanine? ›

Solanine is not removed by boiling, but it can be destroyed by frying. Solanine poisoning is uncommon as cooks and the public are aware of the problem and tend to avoid green potatoes, in any case, consumption of up to 5 g of green potato per kg body weight per day does not appear to cause acute illness.

Does vinegar neutralize solanine? ›

CONSTITUTION: Solanin is removed from potatoes by dipping the potatoes in vinegar of 30-60 deg. C, containing 0.3-1.0 vol% of acetic acid, for 2-5 minutes.

How do you reduce the toxicity of potatoes? ›

What Can You Do?
  1. Store potatoes in a cool, dry, dark environment to minimize glycoalkaloid formation.
  2. Cut away any parts of a potato that show signs of greening, physical damage (cuts or bruises), rotting, or sprouting. ...
  3. Peel the skin from potatoes to reduce glycoalkaloid levels.
Sep 16, 2011

Do boiling potatoes remove toxins? ›

Preparing Potatoes Safely for Human Consumption

Peeling is your first line of defense; it removes most solanine, which is concentrated in the skin. Cut away any green areas and sprouts—these are solanine hotspots. Boiling can help reduce solanine levels, so consider it over baking or frying.

How do you remove antinutrients from potatoes? ›

Potatoes contain antinutrients that can impair nutrient digestion and absorption. Cooking your potatoes is an effective strategy to reduce antinutrient content.

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