Curcumin (diferuloylmethane), the principal yellow bioactive compound of turmeric, is obtained from the rhizomes of Curcuma longa, a perennial herb belonging to the Zingiberaceae family. Turmeric has been cultivated and used for centuries in India and throughout tropical and subtropical Asia as a spice, food-coloring agent, aromatic ingredient, and traditional medicinal material. Its characteristic yellow-orange color is attributed to curcuminoids, with curcumin generally representing a significant portion of these compounds.
The historical use of turmeric extends to traditional Indian medicine, where it has been employed in preparations associated with inflammation, wounds, skin conditions, digestive complaints, and other ailments. Modern research has focused extensively on curcumin because of its antioxidant, anti-inflammatory, antimicrobial, antimutagenic, and potential anticarcinogenic activities. Studies have investigated its effects on oxidative stress, cellular signaling, tumor-cell proliferation, lipid metabolism, and other biological processes.
Curcumin is an orange-yellow crystalline powder with the molecular formula C21H20O6 and is practically insoluble in water. Industrial production involves processing turmeric rhizomes through operations such as drying, grinding, extraction, filtration, concentration, refinement, and purity testing. The report also covers turmeric oil, herbal extracts, extraction technologies, plant and machinery requirements, market considerations, suppliers, and project economics. The proposed project has a stated plant capacity of 500 Kg./Day.
| Cost Parameter | Value |
|---|---|
| Plant Capacity | 500 Kg./Day |
| Land & Building (8000 sq.mt.) | Rs. 5.26 Cr |
| Plant & Machinery | Rs. 16 Cr |
| Working Capital for 1 Month | Rs. 9.18 Cr |
| Total Capital Investment | Rs. 36.15 Cr |
| Rate of Return | 45% |
| Break Even Point | 42% |
Curcumin is the principal yellow bioactive compound extracted from turmeric rhizomes. It is associated with the characteristic yellow-orange color of turmeric and belongs to a group of compounds known as curcuminoids. Curcumin is obtained from Curcuma longa, a plant in the Zingiberaceae or ginger family. The report identifies curcumin as diferuloylmethane and gives its molecular formula as C21H20O6. Industrial extraction generally involves processing dried turmeric through grinding, solvent extraction, filtration, concentration, refinement, and purity testing.
Curcumin is used and studied in food, nutraceutical, herbal, pharmaceutical, cosmetic, and research applications. Turmeric and curcumin have a long history as food ingredients and coloring materials, while modern research has examined curcumin for antioxidant, anti-inflammatory, antimicrobial, and other biological activities. The report also discusses potential applications associated with joint health, digestive support, and research into oxidative stress and cellular processes. Actual commercial applications depend on product specifications, regulatory requirements, purity, formulation, and intended use.
Curcumin extraction generally begins with dried turmeric preparation followed by grinding, solvent extraction, filtration, concentration, and refinement. The report describes extraction using ethanol and water, as well as other solvent-based approaches, together with optimization studies and purity testing. After extraction, the resulting material can undergo filtration and further processing to separate and refine curcuminoids. Industrial process selection depends on raw-material quality, desired product specifications, solvent recovery, equipment design, safety requirements, environmental controls, and the targeted purity of the final product.
The principal raw material for curcumin production is turmeric obtained from the rhizomes of Curcuma longa. The rhizomes are typically cleaned, dried, and reduced to a suitable particle size before extraction. Raw-material quality can strongly influence extraction performance and final product quality because factors such as moisture, curcuminoid content, cleanliness, storage conditions, and particle size affect processing. A commercial plant also requires suitable solvents, process utilities, filtration and separation materials, and other inputs according to the selected extraction and purification process.
A curcumin extraction plant requires equipment for size reduction, extraction, filtration, concentration, storage, material handling, and quality testing. The report specifically identifies equipment categories including crushers, extractors, evaporators, filter presses, boilers, pumps, storage tanks, material-handling equipment, steam distillation plants, digital weighing scales, and laboratory testing equipment. The final equipment configuration depends on the process route, production scale, solvent system, automation level, product specifications, solvent recovery requirements, and applicable safety and environmental standards.
Curcumin extraction performance is influenced by raw-material quality, particle size, solvent selection, solvent composition, extraction time, temperature, and downstream separation conditions. The report includes studies concerning grinding, moisture analysis, different extraction times, ethanol-water mixtures, and alternative solvent systems. Controlling these variables can affect extraction efficiency, selectivity, solvent consumption, and the quality of the recovered extract. In commercial operation, process optimization must also consider solvent recovery, equipment capacity, worker safety, energy consumption, waste management, and the required purity of the finished curcumin.
The project report states a plant capacity of 500 Kg./Day and a Total Capital Investment of Rs. 36.15 Cr. The stated financial information also includes Land & Building (8000 sq.mt.) at Rs. 5.26 Cr, Plant & Machinery at Rs. 16 Cr, Working Capital for 1 Month at Rs. 9.18 Cr, a Rate of Return of 45%, and a Break Even Point of 42%. These figures are reproduced from the supplied project report and should be evaluated against the report's underlying assumptions, process design, quotations, operating costs, and market conditions before being used for investment decisions.
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