(This info comes to you from a Quora contributor)
Spinach is rich in protein, carbohydrates, fat, carotene, as well as a variety of vitamins
and minerals. Eating spinach can supplement all kinds of nutrients the body needs.
But can't eat raw spinach.
Spinach contains a lot of oxalic acid, 100 grams of spinach contains about 750 mg of
oxalic acid.
If you eat raw spinach, a large amount of oxalic acid enters the gastrointestinal tract,
and oxalic acid will combine with calcium to form calcium oxalate, which is relatively
insoluble, thereby affecting the body's absorption of calcium.
Although some water-soluble vitamins in spinach will be lost during the cooking process,
such as heating for 30 minutes, vitamin C will lose 40% to 50%, but you can only eat
cooked spinach, after cooking, most of the oxalic acid will disappear.
More info...
https://www.quora.com/Can-spinach-be-eaten-raw
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