Can the potatoes turn brown?
40 years old
2018-07-01
I cut some potatoes at noon, but can I eat them in the afternoon when they turn brown?
1 Answer These messages are for reference only
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BY Mamie Doris 2018-07-01Fruits, vegetables and potato foods live in "phenol oxidase", and are also rich in "polyphenols" with antioxidant effects. If they come together and oxygen is added, "enzymatic browning" will occur , Namely phenol oxidase. Although no harmful substances are produced in this process, the antioxidant capacity of polyphenols decreases after browning, and it is also accompanied by the loss of vitamin C. To avoid this reaction, the ingredients should be scalded with boiling water before squeezing the juice to inactivate the phenol oxidase, or a vitamin C should be added when squeezing the juice. If the potatoes, lotus root or yam can not be cooked immediately after cutting, they should be put in drops In the vinegar water.6
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