Rosemary extract is sourced from the whole plant of rosemary (Rosemarinus officinalis). The antioxidant components of rosemary extract include carnosic acid, carnosol, rosmarinic acid and ursolic acid.
Natural food antioxidants
“Rosemary” antioxidant is a natural antioxidant. This can avoid the toxic and side effects of synthetic antioxidants, high temperature decomposition, and low efficiency. Antioxidant experiments show that the antioxidant performance of rosemary extract powder is better than BHA, BHT, VE and tea polyphenols.
Application of rosemary extract in food
Rosemary extract is a natural antioxidant, which has high antioxidant properties to oils. It can effectively reduce the deterioration of oils and fats, and can maintain the quality of meat products during storage, including maintaining the color of poultry meat, thereby extending the shelf life. Therefore, rosemary powder has been used in food processing for a long time. Edible oil can also be stored stably due to the addition of rosemary extract and can enhance the sensory effects of fried foods.
It can be divided into two types: oil-soluble and water-soluble. The former is mainly carnosic acid and carnosol, and the latter is mainly rosmarinic acid.
Oil-soluble antioxidants are mainly used in edible oils, functional fish oils and algae oils, meat products, dairy products, high-fat foods, chocolate candies, baked goods and other foods, as well as high-end pet foods. Its function is to prevent oxidative deterioration of fats and oxidative discoloration of food. Because of its excellent thermal stability, it can withstand high temperatures from 190°C to 240°C. Thus it has strong applicability in foods that require higher temperatures or require high temperature sterilization in the processing of baked foods, fried foods. Carnosic acid Liquid can be directly added to oil products and easy to use.
Water-soluble antioxidants can be widely used in the preservation and processing of aquatic products, natural pigments, oral liquids, shower gels, shampoos, beverages, wines and transparent packaging foods. It also has strong antioxidant capacity, and it can withstand high temperatures above 100°C.
As a natural food antioxidant, rosemary extract also has antiseptic and antibacterial properties. After testing, it has a strong inhibitory and killing effect on Escherichia coli and Vibrio cholerae.
Application of rosemary extract in the field of health products
Because of the health value of rosemary extract, it has become a hot spot in the field of health food. In the European and American markets, it has been developed into various nutritional tablets and capsules for anti-oxidation. It can be used to improve gastrointestinal health, improve mood, maintain healthy blood pressure, protect the brain from free radical damage, and resist environmental stimuli. It is also used as an antioxidant in fish oil health products.
Other application
In addition to being used in food and dietary supplements, rosemary extract is also used in the fields of medicine, cosmetics and personal care products.
