Joseph Adams Corporation - Producer of Oleoresins and Distributor of Essential Oils. Oleoresins are special extracts of spices and herbs. They are particularly suitable for flavoring and coloring food, food products and other materials needing their special qualities. Those botanicals used for flavor will contain all of the flavor and aroma and part of the color. Others that are used predominately for color will have all of the color and part of the flavor and aroma. Click the button below for brief descriptions of Oleoresins produced by Joseph Adams Corporation. Oleoresins produced by Joseph Adams Corp. Oleoresin of Capsicum is produced by extraction of chili peppers. Heat and color level can be adjusted to fit your needs.