A supercritical CO2 extractor is an extraction technique that utilizes conditions that exceed the critical state of matter. By adjusting the temperature and pressure, the solvent is placed between the liquid and gaseous states, thus enabling the efficient extraction of valuable components from plants. Supercritical extraction has higher efficiency and lower environmental impact than traditional solvent extraction methods. It is particularly suitable for natural pigments, which are highly volatile and easily oxidized.
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The use of supercritical CO2 extraction technology to extract natural pigments is able to retain their natural active ingredients while removing unwanted impurities, resulting in higher pigment purity and a wider range of applications.
People often choose commodities based on sight, touch, smell, and other senses, and pigment is an important part of the visual aspect. Pigment is divided into natural pigment and synthetic pigment, natural pigment is from natural substances, mainly extracted from plant tissues, but also from animals and microorganisms of some pigments, synthetic pigment refers to the use of the artificial chemical synthesis method of organic pigments. Nowadays, the use of non-toxic and harmless natural substances to extract food, cosmetic, and medical pigments has become a new development trend.
Advantages of supercritical extraction of natural pigments Because it is carried out in a supercritical state, the viscosity and density of the solvent are smaller, the impregnation and mass transfer to plant tissues are stronger, and the extraction effect is better.
Supercritical CO2 extraction under high temperature and high pressure can destroy the cell membrane structure, and accelerate the migration and dissolution of substances, thus greatly reducing the extraction time. Supercritical extraction can also avoid the residue of organic solvents and environmental pollution problems, in line with the concept of green environmental protection.
Applications
Food industry
Used for food coloring and increasing the face value of food. The natural pigments extracted by supercritical extraction are not only brightly colored but also naturally pure.
Cosmetic Industry
Widely used as a high-quality colorant in lipsticks, eye shadows, and blushes to give natural and long-lasting color to cosmetics.
Dyestuffs
It has a broad market prospect.
Preparation of medicines
It not only retains its active ingredients but also satisfies people's pursuit of a green and healthy life.
In addition to supercritical CO2 extraction equipment, TOPTION offers a wide range of other chemical and biochemical equipment, including rotary evaporators, vacuum pumps, and thermostats. All of these products are characterized by unrivaled quality and reliability, as well as excellent after-sales service support. Feel free to contact us at info@toptionlab.com.
