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Why are uncooked string beans poisoned when eaten

Male  45 years old 2018-06-26
My mother ate at a friend’s house last night because of the poisoning of uncooked string beans. Why is the uncooked string beans poisoned?

1 Answer These messages are for reference only

  • BY Penelope Judson 2018-06-26
    If the green beans are not cooked, the saponins in the beans will strongly stimulate the digestive tract, and the beans contain prothrombin, which has a coagulant effect. In addition, string beans contain nitrite and trypsin, which can stimulate the human intestines and stomach, poison people's food, and cause gastrointestinal symptoms. In order to prevent string bean poisoning, string beans must be cooked through and cooked.
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