Spinach, bamboo shoots, wild rice and other vegetables containing more oxalic acid, even if you want to cold mix should be blanched in boiling water first, to remove most of the vegetables contain oxalic acid. Oxalic acid in the intestinal tract will be combined with calcium into a difficult to absorb calcium oxalate, interfering with the body's absorption of calcium, resulting in a lack of calcium. Raw vegetables should be eaten from a safety point of view, in the choice of ingredients and the process of processing to be strict requirements, so as not to eat bad stomach or eat bacteria type of food.
Extended information:
Can't eat raw vegetables
1, beans
Most of the Bean vegetables are not suitable for raw food, such as beans, lentils, etc., this is because this type of bean contains a large number of saponins and erythrocyte lectins, they will stimulate the stomach and intestines, causing poisoning. In the "yearning for life" program, Huang Lei and Song Dandan is because of eating uncooked beans, triggering abdominal pain, vomiting and other symptoms, tossing and turning all night.
2, the growth of leafy greens
In the process of growing vegetables, the need to pour human and animal feces and urine and spray pesticides, and the growth of leafy greens will be more than the rhizome and fruits exposed to more pesticides, water washing is difficult to remove pesticide residues, so it is recommended that you cook and then eat.
3, fresh yellow flowers
Fresh yellow cauliflower contains colchicine, this material itself is non-toxic, but after gastrointestinal absorption is oxidized to form toxic dichotomine. Dicolchicine can irritate the stomach and intestines, causing symptoms such as dry throat, abdominal pain and diarrhea.
People's Daily News - spinach lentils These 7 kinds of vegetables must not be eaten raw