Popular Science Knowledge|Do You Know Rosemary Extract?
Rosemary, also known as Youancao, Dew of the Sea, is a shrub belonging to the genus Rosemary in the Dicotyledon class, Lamiaceae. Rosemary, a sub-shrub aromatic plant, is native to Europe and the Mediterranean coast of Africa. It is suitable for warm climates and has been cultivated on a large scale in southern China.
Rosemary has a strong antioxidant effect, and a variety of biologically active substances can be extracted from its flowers and leaves. According to volatility, the chemical composition of rosemary can be divided into two types: essential oil and non-volatile part. The non-volatile part includes phenolic acids, flavonoids and terpenes, as well as a small amount of lignans and sterols. The main components of rosemary extract are rosmarinol, carnosol and carnosic acid.
The most abundant phenolic acids are rosmarinic acid and carnosic acid, which have strong antioxidant capacity and a variety of biologically active functions. Terpenoids and flavonoids have significant antioxidant properties, and the content of flavonoids in rosemary is 2% to 3%. Natural essential oil components are important components for rosemary extract to exert its physiological functions such as antioxidant and antibacterial.
In addition to its antioxidant effect, rosemary extract also has biological functions such as anti-inflammatory, antibacterial, lowering blood sugar, protecting the liver, calming the nerves, relieving pain, promoting hair growth, anti-tumor, and immune regulation.