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.
The core technology of supercritical CO₂ extraction of rosemary
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%.
The main parameter of rosemary supercritical CO2 extraction equipment
|
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 |
Features of Rosemary Supercritical CO₂ Extraction Equipment
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.
Flow chart of supercritical CO2 technology device
Models of supercritical CO2 extraction equipment
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.
Factory show
Packing photo
FAQ
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