Oleoresin black pepper is an extract of pepper produced by extracting piperine, volatile oils and fixed oils from dried pepper pods by using a solvent, after extraction the solvent is removed and there remains an extract of pepper known as oleoresin black pepper.

Spice oleoresin is an extremly concentrate produce that is obtained by solvent extraction and should content all the flavouring ingredients ( related to taste & smell) soluble in that particular solvent.