According to information from the Ningbo Evening News (Zhejiang, China), Mr. Liu, 60 years old, suffering from chronic kidney disease, was recently hospitalized after eating a plate of stir-fried spinach without blanching it first. The doctor said that this eating mistake caused him to have to undergo dialysis for the rest of his life.
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Explaining this, Dr. Wang Xinghuan (working in Guangdong, China) said that if you eat a large amount of food with high calcium oxalate content in a short period of time, oxalic acid will combine with calcium in the human body to form calcium oxalate. Large amounts of calcium oxalate can cause acute tubulointerstitial nephritis, especially for patients with any kidney disease.
Experts advise that people with impaired kidney function, weak kidneys or kidney disease should be careful when eating vegetables high in calcium oxalate. It is best to blanch these vegetables before cooking. You should also avoid eating raw or undercooked vegetables rich in calcium oxalate to avoid unfortunate consequences.
Who should not eat spinach?
Spinach is a healthy vegetable. It is full of nutrients such as vitamins A, C, D, E, K, and minerals that are very beneficial to health such as folate, magnesium, vegetable fatty acids and omega 3. These are nutrients that are good for the heart.
In addition, research also shows that spinach possesses 10 different flavonoid compounds, which have excellent prostate cancer prevention properties.
However, these 3 groups of people are advised not to eat spinach:
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People with diabetes
Spinach may lower blood sugar. Some doctors are concerned that spinach may cause blood sugar to drop too low in people with diabetes. If you use spinach in medicinal amounts and take diabetes medications, monitor your blood sugar closely. Your diabetes medication dosage may need to be changed. Check with your doctor.
People with kidney disease
Spinach is rich in potassium, so consuming too much of it can be harmful to people with kidney problems. This is because potassium crystals can form in the kidneys, which do not dissolve and make kidney disease worse.
Post-operative person
Spinach may lower blood sugar levels. Some doctors are concerned that it may interfere with blood sugar control during and after surgery. Stop using spinach in medicinal doses at least 2 weeks before a scheduled surgery.
2 notes on eating spinach for health benefits
Blanch in boiling water before eating
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Spinach is one of the seasonal vegetables on everyone's dining table. Before stir-frying spinach, blanch it in boiling water, which can remove the oxalic acid contained in spinach. Only by removing the oxalic acid can the body absorb the calcium in spinach. Otherwise, it will not only affect the taste but also reduce the nutrition.
Do not remove the roots when eating.
When people choose spinach, they have the habit of throwing away the root of the vegetable. In fact, spinach roots are rich in nutrients, containing cellulose, vitamins and minerals. Eating spinach with ginger can prevent diabetes.
However, the ability of spinach to lower blood sugar is limited and it is usually used in the prevention of hyperglycemia.
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