Lettuce, also known as spring vegetable or lettuce. In China, Japan and other countries, people often eat it after cooking, while in Western culture, people often eat it raw in salads, hamburgers and other foods. In Hong Kong, in order to distinguish it from iceberg lettuce, lettuce is also called "Tang lettuce".
Lettuce has high nutritional value.
The carbohydrate content of lettuce is relatively low, but the content of inorganic salts and vitamins is relatively rich, especially containing more niacin. Niacin is an activator of insulin. Diabetics often eat some lettuce to improve the function of sugar metabolism. Lettuce also contains a certain amount of trace elements such as zinc and iron, especially the iron in lettuce is easily absorbed by the human body. Regular consumption of fresh lettuce can prevent and treat iron-deficiency anemia. The potassium ion content in lettuce is rich, 27 times that of sodium salt, which is beneficial to regulate the balance of salt in the body. For patients with hypertension, heart disease, etc., it has the effect of promoting diuresis, lowering blood pressure, and preventing arrhythmia.
Another study found that lettuce contains an aromatic hydroxylic lipid that can decompose nitrosamines, carcinogens in food, prevent the formation of cancer cells, and has a certain preventive effect on liver cancer, stomach cancer and other digestive system cancers. It can also relieve the reactions of cancer patients to radiotherapy or chemotherapy.
Simple ways to make lettuce.
Most people like to stir-fry lettuce. Cut the lettuce into thick strips, add a little garlic slices, and thicken with a little starch. The lettuce is green, crystal clear, crisp in texture, and light in taste, which is very suitable for the elderly.
Lettuce should not be eaten in excess, as it may lead to poisoning.
Modern medical research has found that the biochemical substances in lettuce have an irritating effect on the optic nerve. Therefore, eating too much lettuce can cause poisoning reactions such as dizziness and drowsiness, leading to night blindness or inducing other eye diseases. The night blindness and eye diseases caused by eating too much lettuce will improve after a few days of stopping eating lettuce. Therefore, lettuce should not be eaten in large quantities at one time, but should be eaten in moderation, so as to play a role in strengthening the body, preventing diseases and assisting in treatment.