Rosemary Leaf Extract is extracted and purified from fresh rosemary leaves (Rosmarinus Officinalis) by low-temperature solvent separation technology.

The signature active marker of Rosemary Leaf Extract is Rosmarinic Acid, together with carnosic acid, carnosol, flavonoids and polyphenols. Rosemary Leaf Extract appears light yellow to brown, features outstanding lipid oxidation resistance, anti-inflammatory and antibacterial effects, stable under high temperature, no synthetic preservatives or artificial additives.

The efficacy of rosemary extract is primarily attributed to its high concentration of antioxidant phenols and diterpenes. Its most celebrated benefit is its powerful antioxidant capacity, which helps neutralize harmful free radicals in the body, thereby protecting cells from oxidative stress and damage. This action is linked to potential anti-aging, anti-inflammatory, and neuroprotective effects.

Studies suggest it may support cognitive function, including memory and concentration, and offer protection against neurodegenerative diseases. Furthermore, rosemary extract exhibits strong antimicrobial and antibacterial properties against a broad spectrum of foodborne pathogens, making it a natural food preservative. It also shows promise in supporting digestion and circulation. In skincare, its antioxidants help protect the skin from environmental damage, reducing signs of aging. Some research indicates it may have anti-carcinogenic properties by inhibiting the growth of certain cancer cells. Additionally, it is known to help reduce inflammation, which is a root cause of many chronic diseases. Its ability to enhance the shelf-life of fats and oils by preventing rancidity is a key functional benefit in the food industry.