Spice oleoresins are concentrated liquid extracts of spices produced through extraction with a non-aqueous solvent followed by solvent removal through evaporation. They retain the characteristic flavour, aroma, and properties of the original spice and contain both volatile and non-volatile constituents. Because they provide a complete, balanced, consistent, and standardised flavour profile, oleoresins can replace whole or ground spices without compromising flavour and aroma. They are generally used after dilution or dispersion to achieve the desired strength.
The principal products of a spice oleoresin plant include chilli, pepper, ginger, and turmeric oleoresins, while corresponding spice oils are important co-products used in the food and pharmaceutical industries. Spent spice meals generated after extraction may also be considered for animal feed formulations because they contain carbohydrate and cellulose. The report covers conventional and supercritical fluid extraction technologies, including supercritical CO2 extraction, raw materials, processing factors, product properties, applications, quality requirements, market potential, packaging, and plant and machinery considerations.
| Particular | Value |
|---|---|
| Plant Capacity | 28480 Ltr/Year |
| Land & Building | Rs. 1.57 Cr |
| Plant & Machinery | Rs. 3.02 Cr |
| Working Capital for 1 Month | Rs. 1.27 Cr |
| Total Capital Investment | Rs. 6.44 Cr |
| Rate of Return | 39% |
| Break Even Point | 46% |
Spice oleoresins are concentrated extracts that reproduce the characteristic flavour and aroma of the spices from which they are obtained. They contain both volatile and non-volatile constituents and can be used as concentrated alternatives to whole or ground spices. Their standardised nature allows manufacturers to control flavour and aroma more consistently. Oleoresins are commonly used in food applications and can also have applications in pharmaceutical products, depending on the specific extract and required specifications.
Chilli, pepper, ginger, and turmeric are among the principal spices identified for oleoresin production in the report. The choice of spice depends on the intended product, extraction technology, raw-material quality, and required active constituents. Different spices contain different proportions of essential oils and other extractable components, so processing conditions and product specifications can vary considerably from one oleoresin to another.
Common extraction approaches covered in the report include solvent extraction, supercritical fluid extraction, and steam distillation. Solvent extraction uses a suitable solvent to recover desired spice constituents, while supercritical fluid extraction uses a fluid under conditions where it exhibits supercritical properties. Steam distillation is particularly associated with recovering volatile essential oils. The appropriate process depends on the target constituents, product specifications, raw material, equipment configuration, and desired quality characteristics.
Supercritical CO2 extraction is an extraction process in which carbon dioxide is operated under temperature and pressure conditions that give it supercritical properties. The report describes CO2 being pressurised, heated to a supercritical state, passed through an extractor, and subsequently depressurised in a separator so the extract can be recovered. The technology is discussed in relation to spice oleoresins, essential oils, natural extracts, process control, pressure regulation, instrumentation, and separation of the extracted material.
The main products described in the report are chilli, pepper, ginger, and turmeric oleoresins, while corresponding spice oils are identified as co-products. Spice oils have applications in food and pharmaceutical industries. The extraction process can also generate spent spice meals. After oleoresin extraction, these meals are described as being depleted of several valuable spice constituents but may contain carbohydrate and cellulose, making them candidates for consideration in animal feed formulations subject to appropriate technical and regulatory requirements.
Temperature, pressure, solubility, raw-material characteristics, and the properties of the supercritical fluid are important factors influencing supercritical fluid extraction. Changes in temperature and pressure can affect the density and solvent characteristics of the fluid, which in turn influence extraction behaviour. Proper sample preparation and process control are also important for obtaining consistent results. The report specifically addresses solubility, temperature, pressure, raw materials, influencing factors, and the properties of supercritical fluids.
Quality assessment of spice oleoresins focuses on the presence of desired active ingredients and the consistency of flavour and aroma characteristics. The report also discusses physical properties, pH stability, heat stability, analytical evaluation, and purity. Depending on the intended market and application, colour, flavour, purity, labelling, and packaging requirements may also be relevant. Consistent raw materials, controlled extraction conditions, suitable separation, and appropriate product handling are important considerations for maintaining reproducible oleoresin quality.
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