Vanillin
Since natural vanilla is expensive, and the world needs is a few thousand tons per year, was invented a method for synthesizing the substance of the more accessible parts. Most vanillin is produced from lignin - a byproduct of pulp and paper industry.
Used as a flavor in yogurt, baked goods, beverages and confectionery.

The substance of the glands of the beaver
Aromatic substance extracted from the glands of the beaver. Initially, a mixture designed for medical purposes. Over time, it began to be used in the perfume industry as a natural perfume fixative and odor. In terms of the substance of the food industry can play a raspberry flavoring. It is believed that these days the jet is added only in expensive spirits in practice, beaver gland found in the jelly, ice cream, candy and flavored drinks.
The fact of what constitutes a product, usually written on the package, but for the modern buyer is nothing more than a formality. Going for food, should not be limited to entertaining reading matter on the shelf-life, especially if the product is wrapped in colorful packaging, or sold at a low price is tempting.