Various Extraction Techniques of Curcumin-A Comprehensive Review

Area of Science:

• Natural Product Chemistry
• Pharmacognosy
• Analytical Chemistry

Background:

• Curcumin, derived from Curcuma longa, possesses significant medicinal and commercial value.
• Its therapeutic applications span neuropathic pain, depression, cancer, diabetes, and various organ system diseases.
• High demand and cost necessitate efficient extraction and purification of pure curcumin.

Purpose of the Study:

• To provide a comprehensive overview of curcumin extraction and purification techniques.
• To discuss the diverse roles of curcumin in pharmaceutical, cosmetic, and medical industries.
• To explore the future commercial potential of curcumin.

Main Methods:

• Extraction methods include traditional (Soxhlet, maceration, solvent) and modern techniques (ultrasound-assisted, microwave-assisted, enzyme-assisted, supercritical fluid extraction).
• Purification techniques range from conventional (column chromatography, HPLC) to advanced (high-speed counter-current chromatography, SFC).
• These methods are crucial for obtaining high-purity curcumin for research and industry.

Main Results:

• A wide array of extraction and purification methods are globally employed for curcuminoids.
• Both traditional and contemporary approaches yield curcuminoids effectively.
• Purification can be achieved through single or combined techniques, ensuring product purity.

Conclusions:

• Effective and sustainable extraction and purification are critical for harnessing curcumin's potential.
• Advancements in techniques enhance process efficiency, safety, and environmental friendliness.
• Curcumin holds substantial promise for pharmaceutical, cosmetic, and industrial applications.