Rosemary, What Do You Know?

When we watch food preparation videos or when we make our own barbecues or steaks, we often see chefs add rosemary to them. What is rosemary? What does it do? Let's take a look at it today! Rosemary, also known as oil Ann, also known as tansy. Originally from the Mediterranean coast, Spain, France and other places, after the introduction of Europe and other countries and regions, is a traditional spice plant. According to literature records, in ancient China, during the period of Emperor Wen of The Three Kingdoms, rosemary was introduced from the Western regions as a spice, more than two thousand years ago. In recent years, it has been cultivated in a large area in Guangxi, Yunnan, Guizhou, Xinjiang and Hubei. It has very low requirements on the soil and is suitable for cultivation in barren mountains and barren land. The main part of rosemary is the leaf.

What are the benefits and nutritional benefits of rosemary as a spice?

I、Antioxidant effect

Studies have shown that the main antioxidant components of rosemary are: carnol, carnoic acid, rosmarinol, rosemary phenol, epigrosmarinol, isorosemary phenol, rosemary diphenol, etc., they all have strong antioxidant capacity: rosemary extract is heated at 204 ° C for 18 hours under anaerobic conditions, or at 260 ° C for 1 hour, its activity is not affected. Therefore, rosemary is suitable for animal fat, fried food, processed meat, aquatic products and other food production and processing.

II、 Bacteriostatic effect

Rosemary extract and diterpene phenolic components have obvious antimicrobial activities. It can inhibit the growth of Clostridium botulinum and inhibit the growth of Bacillus subtilis and Bacillus cereus. Rosmarinic acid has a good inhibitory effect on streptococcus. In addition, carnosol can inhibit the growth of six bacteria and yeast commonly found in food.

III、 Increasing aroma and seasoning effect

The aromatic and flavoring effect is the most rosemary effect that we are exposed to in our daily life. Rosemary essential oil is an important spice that can be used in food, edible flavors, daily chemical and pharmaceutical products. Mainly used as perfume, body wash, lotion, soap, shampoo and other cosmetics spices and sauces, meat, poultry, drinks and other seasonings.

IV、 Antitumor effect

Among the natural products, rosemary extract is regarded as having a definite anti-tumor activity, and rosemary has a synergistic effect on the carcinogenic detoxification enzyme in specific tissues. The main anti-cancer components of rosemary extract are ursolic acid, carnol and rosmarinic acid. Studies have shown that rosemary extract, sage and its antioxidant component ursolic acid have strong inhibitory effects on skin cancer.

V、Anti-inflammatory effect

Carnoic acid in rosemary has obvious anti-inflammatory effects in the body: some researchers have found that rosemary reduces the incidence of pneumonia caused by inhaling diesel exhaust gas by inhibiting the enhanced expression of macrophage chemotactic protein-1, kerato-chemotactic cells, and macrophage inflammatory protein-1α in the lungs.

VI、 Immunomodulatory effects

The results showed that the glutathione transferase activity of the experimental group was increased by 1.5 times compared with the control group after injecting rosemary extract. When mice were subjected to protein or antioxidant deficiency stress, rosemary extract also significantly enhanced the immune system of mice.

VII、Other aspects of the role

In Europe, as early as 1983, rosemary extract and selenium-rich water were used to develop drugs for hemorrhoids, varicose veins, damps, psoriasis, and skin infections. The ethanol solution containing rosemary extract can significantly inhibit the reaction activity of intestinal glucosidase with maltose and sucrose, and effectively prevent the degradation and absorption of maltose and sucrose. The results suggest that rosemary extract can effectively prevent and treat obesity and diabetes from both dietary and pharmaceutical aspects. Rosemary also helps to relax muscles, including the smooth muscles in the digestive tract and uterus, and it is often used to relieve stomach discomfort and abdominal pain during women's periods.In addition, rosemary extract has pharmacological effects such as inhibiting thrombus formation, treating thrombus and promoting fibrinolysis.

In addition to these roles, rosemary has many cultural connotations.

According to legend, ancient people believed that it could strengthen the memory, so it is also known as the lighthouse on the sea when the ship out of the direction, wandering sailors can rely on this strong aroma to find the location of the land.

Rosemary is defined as a symbol of love, loyalty and friendship. In some European countries, girls will gently tap the fingers of their lovers with rosemary in bloom, and expect their lovers to give a positive response; Or in the wedding will bloom rosemary woven into a crown to wear on the head of the couple, representing the meaning of loyalty.

In addition, the Italians also throw small sprigs of rosemary into the grave of the dead in the funeral ceremony, thus representing the respect and memory of the dead. In Victorian England, the flower name of rosemary meant to commemorate.