BOTANICAL AND BIOLOGICAL CHARACTERISTICS, NUTRITIONAL AND MEDICINAL PROPERTIES OF ONIONS

Abstract

Onions are perennial plants, but are most often grown as annuals. They have a bulb consisting of a shortened stem and fleshy scales that serve as a nutrient reserve. The leaves are flat, linear, and green, forming a rosette. The flowers are collected in umbels and are white or purple. Onions prefer sunny, sheltered areas with well-drained soil rich in organic matter. They are tolerant of various climatic conditions, but achieve the best results in moderate climates. Onions are a valuable source of vitamins and minerals. They contain: Vitamin C: supports the immune system and has antioxidant properties. B vitamins: participate in metabolism and support the nervous system. Minerals: potassium, calcium, magnesium, and phosphorus - are important for the normal functioning of the body. Onions are also rich in fiber, which aids digestion. Their low calorie content makes them a popular dietary staple for those trying to control their weight. Onions have been used in folk medicine for centuries for their healing properties. Their anti-inflammatory properties make them useful in treating various inflammatory conditions. The phytoncides they contain help fight infections, making them effective in preventing colds. Research shows that regular consumption of onions can lower cholesterol and blood pressure, which helps prevent cardiovascular disease, and improve digestion thanks to their fiber and natural enzymes.