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LETTUCE IS REPLETE WITH VITAMIN A AND BETA-CAROTENE
Lettuce is one of the most popular leafy vegetables. Its crunchy leaves, which green can be combined with dark red, are one of the richest sources of important nutrients for health. Lettuce belongs to a very common nature finds its application not only in vegetable salads, but also in sandwiches. Scientists have even found a way to grow this vegetable on Mars and the moon. Lettuce in their cutting secrete molokopodobnuû liquid. For this reason, its name comes from the Latin word “lactuca” is “milk”. Botanists refer this amazing nutrient-rich plant astrovykh family (Asteraceae). Its scientific name — Lactuca sativa.
A lot of interesting things about salad-latuke, its beneficial properties, or other qualities of said resource pages on Nutrition And You.
Lactuca sativa is an annual plant of the small size, preferring sandy, humus enriched soil. Cultivated about six varieties of lettuce, which differ in form and structure of the cabbage leaf. Deciduous varieties with more bitter aftertaste most rich in nutrients and antioxidants.
What happens to lettuce?
Oily salad iceberg has large head and is characterized by its oily texture. This variety of lettuce is the most popular and widely circulated in Europe.
The Chinese variety “celtuce” — a hybrid of celery and lettuce. Usually has long, thin leaves with a strong aroma, not forming a cabbage in contrast to Western varieties. This variety has a long stem, which is also used as a vegetable. It is fried in hot oil or extinguish.
Varieties of lettuce head (crispy lettuce, iceberg) has a soft, delicate and aromatic leaves, forming a bundle-head. There are varieties with green and Red leaves, as well as “Valeria” («Valeria») and “Lollo Rossa”.
Romaine lettuce, or Kos-lettuce, growing long head of sturdy leaves with a firm “ribs”, almost reaching the tip of the leaf. Romaine lettuce is the most popular variety of salad in the United States.
Summer crisp lettuce varieties form the headed cabbages moderate density flexible texture. This variation is something average between deciduous and kočannymi varieties of lettuce.
Use lettuce for health
Lettuce leaves are one of the most low-calorie vegetable products. In 100 grams of fresh lettuce contains only 15 calories. Despite this, the salad is this pantry numerous phytonutrients, which help to keep the body healthy and have the ability to prevent the disease.
Lettuce is replete with vitamins. Its fresh leaves are an excellent source of vitamin A and beta carotene. Only 100 grams of fresh raw lettuce contains 247% of the recommended daily value of vitamin A, as well as 4443 micrograms of beta carotene (Carotenes are converted by the body into vitamin A; 2 microgram of carotene are considered the equivalent of 1 international units of vitamin A). These compounds possess antioxidant properties. Vitamin A is essential for maintaining healthy skin and mucous membranes, as well as useful to view. Eating natural flavonoids-rich fruits and vegetables helps prevent cancer of the lungs and mouth.
Lettuce is also rich in vitamin K, which plays a role in bone metabolism. It is believed that it increases bone mass, contributing to the osteotropie activity in the cells of the bone. It is also known that he played a role in limiting damage to neurons in the brain damage in patients with Alzheimer’s disease.
Fresh lettuce contain notable amounts of folic acid and vitamin c. Folic acid is one of related enzymes in the metabolism of factors required for the synthesis of DNA and thus plays a vital role in preventing the development of neural tube defect in the fetus during pregnancy.
Vitamin C is a powerful natural antioxidant. Regular intake of vitamin C-rich foods helps the body develop resistance of pathogenic infection and get rid of malware, contributing to the inflammatory processes of free radicals.
Zeaxanthin, which in a salad-latuke contains 1730 micrograms per 100 grams, is an important dietary carotenoid. It is selectively absorbed by the yellow stain retina, and it is believed that has antioxidant properties, and there is also a filter ultraviolet rays entering the eye retina. Diet rich in ksantinom and carotenes, considered providing some protection against age-related degeneration among older people.
Lettuce also contains appreciable quantities in minerals such as iron, calcium, magnesium and potassium, which are very necessary for metabolism in the body. Potassium is an essential component of cells and body fluids, to help control the heart pulse rate and blood pressure. Manganese is used by the body as a co-factor in relation to antioxidant enzyme superoxide dismutase. Copper is required for the elaboration of red blood cells. Iron is necessary for their formation.
Lettuce is also rich in B-complex vitamins, including thiamine, vitamin B6 (pyridoxine) and Riboflavin.
It is known that regular add to salads lettuce is considered to prevent osteoporosis, železodeficitnuû anemia. Many believe that the lettuce provides protection against cardiovascular disease, age-related degeneration, Alzheimer’s disease and cancerViewing:-181
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