Rosemary Antioxidant CO2 Extract Rosmarinic Acid 2.5%-30%

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Rosemary extract is derived from rosemary leaves and serves as a natural active ingredient. Most companies adopt supercritical CO₂ extraction for its production. In cosmetics, it functions as an antioxidant: it extends the shelf life of products, protects the skin against free radicals, reduces inflammation, and nourishes the skin. Research indicates that rosemary extract outperforms vitamin E in preventing oxidation.

 

 

1.Raw Material Processing

Harvest rosemary leaves during the plant's flowering period, as this is when the content of active ingredients is at its highest.

Dry the leaves using hot air at 45–50°C; freeze-drying is an alternative method, which preserves more heat-sensitive components.

 

2.Crushing and Pre-Treatment

Crush the leaves at a low temperature to produce particles with a size of 20–60 mesh. Use a sieve to ensure uniform particle size.

 

3.Supercritical CO₂ Extraction

Under specific temperature and pressure conditions, CO₂ reaches a supercritical state, enabling it to extract specific components from rosemary.

 

4.Post-Processing

Concentration: Remove any solvent using rotary evaporation or molecular distillation.

Purification: Employ chromatography to obtain a purer product.

Drying: Spray drying converts the liquid extract into powder; freeze-drying is used for heat-sensitive materials.

Packing: Store the extract in sealed containers away from light, maintaining a temperature below 25°C and humidity below 40%.

 

 

 

 

Pressure	400bar	Temperature	85℃(according water boiling point at site)
Service	Turnkey	Material	SS304 or SS316
Brand	Landerlee	Extractors	Two extractors.
Vessels volume	from 25L to 300L	Pressure vessels standard	China standard/ASME/PED
Manufacture time	2 to 5months	Separators	three
Guarantee	One year

 

 

1.Increases antioxidant yield by 30–50% compared to traditional distillation.

2.Results in a loss of less than 5% of volatile components.

3.Leaves no solvent residue, meeting FDA food-grade requirements.

4.Retains the natural scent of rosemary.

 

 

 

 

 

 

 

Note:

1. All the pressure vessels of the Rosemary Supercritical CO₂ extraction machine can be designed and manufactured in compliance with Chinese standards, ASME standards, or PED standards.

2. We can customize products based on the customer's requirements.
 

 

 

 

 

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