We compare spinach with recommended iron supplement foods
data comes from " Chinese Food Ingredients Table ", and are compared with edible growth every 100g.
According to the data provided by the food ingredients list, the iron content of spinach is only at a medium level in leafy vegetables, and every 100 g contains 2.9 mg of mineral iron. The recommended iron supplement foods for
mainly include animal liver, animal blood, and red lean meat. The iron content per 100 g is as follows.
pig liver has the highest iron content, but because saturated fat is also high, it is not advisable to eat too much, just eat once a week, and the iron content of pig blood is also good, but like pork liver, it is not suitable to eat too much. The iron content in pork, beef and mutton is similar to that in spinach, but the absorption rate varies greatly. The iron in spinach is non-heme iron, and the absorption rate of the human body is relatively low, generally only 3%-8%, while the heme iron in animal food can reach up to 20%. Therefore, it is not realistic to rely on spinach to supplement iron.
Dietary Guidelines for Chinese Residents recommends that among the 300-500g vegetables that adults consume every day, dark green vegetables account for half, and spinach is the representative of dark green vegetables.
Dietary fiber, calcium, iron, potassium, magnesium, folic acid , vitamin K, vitamin C, carotene and vitamin B2 are all higher than other vegetables. Spinach is rich in magnesium and is the highest content among vegetables. Spinach is rich in lutein . The darker the color, the higher the content, which is very beneficial to the health of the eyes. Spinach is rich in a variety of antioxidants, reducing the damage to the body by free radicals and delaying aging. Such an excellent spinach is not perfect, that is, spinach has a high oxalic acid content. But this does not affect its nutritional value. Just blanch in hot water for dozens of seconds before eating spinach, 60%-70% of oxalic acid can be removed, which can reduce the risk of stones or osteoporosis .
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Finally, I know why Popeye likes to eat spinach. There are many benefits, but it does not include iron supplementation.