Oleoresin

Oleoresins are coloring or flavoring extracts that are obtained from seeds , roots , leaves or fruits by means of solvent extraction. The word contains oleo , on the one hand, as a reference to the essential oils contained in almost all oleoresins, and on the other hand, resin , which stands for the resins , waxes and secondary active ingredients that are also extracted .

As solvents both non-polar solvent such as come hexane or acetone used, as well as polar solvents such as ethanol and methanol . Furthermore, is supercritical carbon dioxide and water vapor is used.

The most common oleoresins are:

• Paprika oleoresin
• Capsicum oleoresin
• Pepper oleoresin (black, white, green)
• turmeric
• nutmeg
• Macis (mace)
• cardamom
• coriander
• ginger