They have unique qualities.
Purple foods are vegetables and fruits, which contain anthocyanins (water soluble pigments). Among them are: blueberries, plums, acai, purple potatoes, red cabbage, eggplant and beets, reports the Chronicle.info with reference to Browser.
They prevent diseases of the cardiovascular and digestive systems, have a protective effect against certain cancers, improve memory and the functioning of the urinary system and also help to delay the aging process.
These little berries contain significant amounts of vitamin C and K, fiber, manganese and anthocyanins. According to studies, blueberries may have an impact on the brain, delaying or preventing neurodegenerative diseases (Alzheimer’s or cognitive decline functions). In addition, it has great potential in the fight against cancer, and due to the pterostilbene helps (a natural antioxidant) stimulates the immune system, protecting it from external factors.
They come in different shades of color – the more intense and darker, the more antioxidant properties. The peculiarity of this fruit is that most of the anthocyanins in the skin is 20 times more than in the pulp. The Spanish Foundation for nutrition (FEN) claims that plums can help to reduce the risk of cardiovascular disease and cancer, and improve bone mineral density in postmenopausal women.
This dark purple berry has become popular because it is a great antioxidant. Its properties are directly linked to the amount of anthocyanins – 44 grams per 100 grams of acai. She also has the ability to absorb oxygen free radicals (high ORAC value).
It is a kind of a potato tuber. In addition to vitamin C, magnesium, potassium and fiber contains 2-4 times more antioxidants than white potatoes. A study conducted in the USA showed that daily consumption of 2 servings of this food reduces diastolic blood pressure by 4.3%, and systolic by 3.5% due to its phytochemical properties. Although the color purple potato differs from the usual, the taste is very similar, but with a slight taste of walnuts.
Red (purple) cabbage
Red cabbage has a high content of fiber. According to the Ministry of agriculture of North Carolina (USA), it contains 36 different types of anthocyanins, and one serving provides 20% of the recommended daily amount of vitamin A. it is Also rich in sulfur, vitamins B1, B3, B5, B6, B9 and C.
German scientists have discovered that isothiocyanates, phytochemicals that are included with red cabbage, have anti-tumor properties. In addition, a large amount of potassium makes it a diuretic. It is a good choice to reduce blood pressure and control the level of glucose in the blood.
High fiber content allows the eggplant to cleanse the body and reduce the level of sugar in the blood. They also contain iron, magnesium, and folic acid, thereby helping to recover from anaemia, or to cover the needs of vitamin B9 in the first months of pregnancy. Polytechnic University of Valencia (UPV) in the study said that this vegetable has anti-aging properties, providing effective protection against free radicals. Furthermore, chlorogenic acid helps reduce levels of “bad” cholesterol (LDL).
A study published in the journal of Nutrition, showed that beet effectively reduces blood pressure. It is rich in nitrates which, when ingested, are converted into nitric oxide – a vasodilator, oxygenating all body areas. In addition, this vegetable boosts the immune system, kills bacteria that attack the brain and cause dementia, and also control the cholesterol level.