Rosemary (Rosmarinus officinalis), a shrub in the labiaceae family. Likes warm climate, native to Europe and Mediterranean coast of north Africa. As far as the Cao Wei period had been introduced into China. Antioxidants and essential oils with excellent antioxidant properties can be extracted from the flowers and leaves of rosemary.
Rosemary antioxidant is widely used in medicine, fried food, oil-rich food and all kinds of oil preservation; Rosemary essence is used in perfumery, air freshener, ant repellent, sterilization, insecticide and other household chemical industry.
Rosemary extract contains carnosic acid, rosinic acid, carnosol and other effective ingredients, which not only has the antioxidant effect of traditional plant extracts, but also has anti-corrosion and antibacterial activities. In addition, rosemary extract is resistant to high temperatures: it remains extremely stable at 240 degrees Celsius, whereas the stability of ordinary plant extracts is susceptible to temperature.
Rosemary is a natural antioxidant. In a recent study, Stuart A.Lipton, Ph.D., sanford-Burnham Medical Research Institute, and colleagues reported that carnosic acid, a component of the herb rosemary, promotes eye health. Their findings suggest that carnosic acid may have clinical applications in diseases that affect the outer layers of the retina, including age-related macular degeneration.
Rosinic acid (RosA) is a water-soluble natural phenolic acid compound isolated from rosemary. It is widely distributed and mainly exists in many plants of Labiaceae, Amaranthaceae, cucurbitaceae, Basstree and umbelliferae, especially in labiaceae and amaranthaceae.
Rosinic acid is a natural antioxidant with stronger antioxidant activity than vitamin E, caffeic acid, chlorogenic acid and folic acid, which helps prevent cell damage caused by free radicals. Because rosemary extract is not sensitive to light, heat or acid, it is recognized by the industry as a natural antioxidant for its antioxidant effects in food supplements, food and beverage, fresh meat and even spices.
With the continuous improvement of consumers' health awareness, the concept of natural green, health and environmental protection is gradually rooted in people's minds, and the market of rosemary extract as a natural plant preservative will gradually open up.
