The nutritional value of purple lettuce and the benefits of eating purple lettuce

Lettuce has a fresh taste, crisp texture and delicious taste. It is a common dish in life. In people's eyes, it is green. But recently, a kind of purple lettuce has appeared on the market. It looks similar to ordinary lettuce, but the leaf surface is purple. Its nutritional value is higher than that of ordinary lettuce. It is a variant of ordinary green lettuce. Below I will give a detailed introduction to the nutritional value of purple lettuce. If you are interested, you can learn more about it.

Nutritional value of purple lettuce

1. Nutritional content of purple lettuce

1. Purple lettuce is a nutritious food. It not only contains a large amount of water and vitamin C necessary for the human body, but also contains iron, calcium, phosphorus and a variety of sugars. It is said that every 500 grams of purple lettuce contains ten milligrams of iron, which is the highest content among all vegetables. In addition, purple lettuce also contains some anthocyanins and some trace element selenium. These substances can enhance the body's antioxidant capacity and delay the occurrence of various aging symptoms.

2. Purple lettuce is high in potassium

Purple lettuce contains a variety of trace elements that are beneficial to the human body, among which the content of trace element potassium is particularly high. It is a low-calorie food. After the human body absorbs this substance, it can promote the excretion of sodium salt in the body, prevent high blood pressure, and improve heart function. In addition, purple lettuce can maintain the body's electrolyte balance and promote milk secretion, and has a good lactation effect.

3. Purple lettuce has high enzyme content

Purple lettuce not only contains a large amount of dietary fiber, but also contains some natural enzymes. When people use it, it can promote the secretion of digestive enzymes in the body, which can effectively increase appetite. The dietary fiber it contains can promote gastrointestinal motility, improve digestive function, and promote body metabolism. It has a certain preventive effect on constipation and obesity.