Abstract: Purple leaf lettuce is a variety of lettuce. What is the difference between purple leaf lettuce and ordinary lettuce? The main difference between them is the color, but there is actually no difference in texture and taste. Purple leaf lettuce is very rich in nutritional value. It is rich in anthocyanins, carotene, vitamins and other nutrients. Moderate consumption of purple leaf lettuce can promote digestion and supplement vitamins. So can purple leaf lettuce be eaten raw? How to eat purple lettuce? Let’s take a look! What is purple leaf lettuce? Purple leaf lettuce is a variety of lettuce. It is a variant of lettuce. Because the leaves are dark purple, it is named purple leaf lettuce. It originates from the Mediterranean coast. Purple leaf lettuce has a very beautiful appearance and is rich in nutrients, so it has high ornamental and edible value.
The difference between purple leaf lettuce and green leaf lettuce is that they have different appearances
The biggest difference between purple leaf lettuce and ordinary lettuce is the appearance. The leaves of purple leaf lettuce are purple-red, while the leaves of ordinary lettuce are different. It is green.
Different effects
The nutritional elements of purple leaf lettuce and ordinary lettuce are similar, but it is generally believed that the anthocyanin content of purple leaf lettuce is higher than that of green leaf lettuce, so eating purple leaf lettuce Can absorb more nutrients.
The prices are different
The price of purple leaf lettuce is higher than that of green leaf lettuce. The price of a pound of purple leaf lettuce is about 10-15 yuan, while the price of a pound of ordinary lettuce is about 10-15 yuan. Only a few dollars.
The efficacy and role of purple leaf lettuce. The nutritional value of purple leaf lettuce. Pictures of purple leaf lettuce
Purple leaf lettuce is a common vegetable with rich nutrition. It not only contains a large amount of cyanine It also contains carotene and multiple vitamins. In addition, trace elements calcium, selenium, phosphorus and potassium are also the most important substances in purple leaf lettuce. People eating purple leaf lettuce can promote body metabolism and eliminate toxins from the body. Various toxins.
Effects of purple leaf lettuce 1. Promote digestion
Purple leaf lettuce contains a large amount of dietary fiber and some carbohydrates. These substances can promote gastrointestinal motility and stimulate bile production. It can speed up the body's digestion and absorption of food.
2. Calming and sleeping
Eating purple leaf lettuce in moderation can also calm and sleep. It has a certain regulating effect on human neurasthenia, insomnia, forgetfulness and other adverse symptoms.
3. Supplementing vitamins
Purple leaf lettuce contains a variety of vitamins that are beneficial to the human body. In particular, the content of vitamin C is particularly high. Eating purple leaf lettuce in moderation can effectively supplement the human body. Vitamins play a role in eliminating inflammation and improving the body's anti-viral ability.
4. Lose weight
Purple leaf lettuce is a low-calorie food that can promote body metabolism and remove accumulated garbage in the body. Eating it in moderation is very helpful for weight loss. The benefit is that it can make people's figures get better and better.
The tips for selecting purple leaf lettuce are based on appearance
High-quality purple leaf lettuce should have thick leaves, purple leaves, white stems, fresh and tender leaves, no wilting leaves, no insect damage, and no The lesions are of moderate size.
Smell
Purple leaf lettuce may contain residues of pesticides and chemical fertilizers. You should smell it when selecting to avoid such chemicals.
Can purple leaf lettuce be eaten raw? Purple lettuce can be eaten raw.
Purple leaf lettuce can be eaten raw, but you must pay attention to cleaning it when eating it raw to avoid pests or residual pesticides on the leaves. After cleaning, soak it in salt water for a while. It's safer to eat this way.
How to eat purple leaf lettuce? Purple leaf lettuce salad ingredients and seasonings: round lettuce, purple leaf lettuce, cherry tomatoes, cucumbers, raisins, cooked peanuts, salad juice, salt.
Steps:
Step one: First wash all the vegetables and drain them.
Step 2: Cut the round lettuce and purple leaf lettuce into thin strips; cut the cherry tomatoes into small pieces; peel the cucumber and cut into thin strips; wash the raisins and soak them in water until soft.
Step 3: Put all the ingredients into a bowl, add a little chopped cooked peanuts, pour on the salad dressing, and add a little salt.
Step 4: Mix well and serve.
Ingredients and seasonings for stir-fried purple leaf lettuce: purple leaf lettuce, salt, Sichuan peppercorns, minced garlic, and salt.
Steps:
Step one: Wash the purple leaf lettuce, drain the water, and then cut it into segments of suitable size.
Step 2: Pour an appropriate amount of cooking oil into the pot. When the oil is hot, add Sichuan peppercorns and minced garlic and saute until fragrant.
Step 3: Add purple leaf lettuce after sauteing until fragrant, add a small spoonful of salt after frying.
Step 4: Continue to stir-fry until the purple leaf lettuce juice is released, then it is ready to eat. Details>>
Purple leaf lettuce soup ingredients and seasonings: purple leaf lettuce, salt.
Steps:
Step 1: First wash the purple leaf lettuce and cut it into small pieces.
Step 2: Pour an appropriate amount of water into the pot, add a little salt, and then add purple leaf lettuce after it boils.
Step 3: After boiling again, pour it out and serve on a plate.
Notes on eating purple leaf lettuce. The general population can eat purple leaf lettuce, but be careful to eat it in moderation, otherwise it may cause diarrhea. Patients with symptoms such as frequent urination and cold stomach are best not to eat purple leaf lettuce, otherwise it will not help their condition improve. Pregnant women are advised not to eat raw purple leaf lettuce, otherwise it will affect the health of the fetus in the body.
Purple leaf lettuce planting time and method When is the best time to sow purple leaf lettuce? Purple leaf lettuce seeds are small and have poor ability to dig into the soil. Seedlings can be transplanted, and the seedling age is 30 to 40 days. Sowing can be done from late July to late August in autumn, sowing in greenhouses in winter from October to November, sowing in small sheds in mid-to-late February, sowing in mid-to-late March under mulch covering, and sowing in open fields after early April.
Purple leaf lettuce planting technology 1. Seedling cultivation
When planting purple leaf lettuce, it needs to be nursed before planting. When raising seedlings, purple leaf lettuce seeds should be soaked in warm water, and then germinated. Only when the seeds grow small buds can they be planted in the seedbed. When the seedlings grow three leaves, they can be transplanted.
2. Colonization
It is necessary to choose plots with fertile soil, more fertilization in the previous crop, and strong water and fertilizer retention capabilities for colonization. For summer cultivation, soil with good drainage and terrain with higher energy should be selected. Planting can be carried out in plots that can be irrigated and drained.
3. Watering
Purple leaf lettuce has high water requirements during the growth period. Excessive watering can also make the soil too dry. People can control it according to changes in the weather.
4. Fertilization
Top-dressing is mainly based on base fertilizer. At the early stage of ball formation, apply nitrogen fertilizer once with water to promote leaf growth.