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How to Prevent the Peeled Potatoes from Turning Black


Potato contains a lot of carbohydrates, dietary fiber, and protein, 18 kinds of amino acids, and minerals, which are a heavy and staple food item used in many recipes, but which can be used as kinds of vegetables and be processed into potato chips or French fries. But when you expose the peeled potatoes to the air, they always turn black. There are following instructions and tips to help you with keeping from turning black.

The instructions to keeping the peeled potatoes from turning black

  • Store potatoes in a cool and dark location.
    When you peeled potatoes, you should store them in a cool and dark place with the suitable temperature. Remind that you should not place the peeled potatoes into refrigerator which this environment is too cold and moist for store peeled potatoes. If you really store into the refrigerator, that will make your potatoes turn black to not cooking with a bright color.
  • Soak the peeled potatoes into white vinegar.
    Prepare some white vinegar to be used for soaking potatoes. Fill the cooking containers with half of water so as to overflow when pour the potatoes into it. At the same time you should add some tablespoons prepared white vinegar into the water. Then swirl the water gently to mix the white vinegar completely with the water.
  • Boil the potatoes soaked and remove from the container to drain the surface water.
    Boil the potatoes in the vinegar water until they cook through. Remove the potatoes from the hob and drain out the water. Then you can use them for various palatable foods.
  • Mix a little of crushed vitamin C in water when you make grating potatoes for recipes.
    When grating potatoes for recipes like potato pancakes, potato pie, potato kugelis, among others, mix in a little ascorbic acid, which is nothing more than vitamin C powder. A pinch of crushed vitamin C tablet in a little water will work just as well

The tips to pay attention when following above mentioned instructions

  • The suitable cool water should be from 7 degree to 10 degree.
  • The quantity of vinegar is suitable for 2 table spoon with half of cooking pot.
  • Above mentioned instructions need to operate in proper order.

From above instructions, we can know the method of keeping potatoes from turning back, so we can apply these methods into homemaking recipes to help us make delicious and bright color potatoes food, such as potato chips and French fries and potato pancakes, etc.


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Adhering to the principle of managing scientifically and honesty and credit,our factory has passed ISO9001-2000 quality system certification. Now, Our factory can provide potato dry cleaning machine, automatic potato washing peeling machine, potato peeling machine, french fries sticks cutting machine, potato grader, potato cleaning and sorting machine,  potato chips production line, french fries production line, frozen french fries production line, wave shape french fries production line, potato starch production line, potato mesh bag packing machine, potato dosing packing machine.

Our potato processing products have passed with CE,ISO and SGS Certificates and has been widely sold all over the world


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