Synthetic vanillin, a by-product of wood pulp processing, accounts for the rest.
From the newscientist.com
You can get natural vanillin but in processed foods it is likely to be synthetic.
From the nzherald.co.nz
I also heard pure vanillin beat some of the more posh vanillas in taste tests.
From the guardian.co.uk
The essential oils of vanilla and vanillin are sometimes used in aromatherapy.
From the en.wikipedia.org
Imitation extract contains chemically synthesized vanillin, the primary flavor compound.
From the courier-journal.com
Pure crystals of vanillin can be produced biologically by bacteria that munch plant waste.
From the economist.com
Beat egg whites and vanillin sugar with a hand mixer until peaks form.
From the npr.org
However, vanillin is only one of 171 identified aromatic components of real vanilla beans.
From the en.wikipedia.org
As it sits in the glass, espresso, vanillin, white chocolate, and additional black fruits emerge.
From the businessweek.com
More examples
A crystalline compound found in vanilla beans and some balsam resins; used in perfumes and flavorings
Vanillin is an organic compound with the molecular formula C8H8O3. Its functional groups include aldehyde, ether, and phenol. It is the primary component of the extract of the vanilla bean. It is also found in roasted coffee and the Chinese red pine. ...
Component contributed by oakwood barrel staves. Considered to add a degree of "sweetness" to red wines when present in barely detectable amounts, so adding to a desirably complex style prized by connoisseurs.
Derived from the green seedpods of the vanilla plant, this ingredient is one of the over two hundred organic components that make up the flavor and aroma of vanilla, and it's the one we most associate with vanilla. ...
A pine tree resin used in chocolate as a cheap substitute for vanilla. Avoid at all costs!
A synthetic product that is meant to simulate the flavor and aroma of vanilla extract. Vanillin is often made from the byproducts of manufacturing processes.
An artificial vanilla flavouring, used by mass market chocolatiers as it is a cheap way to flavour chocolate.
A compound extracted naturally from vanilla beans or manufactured in labs to add a vanilla flavor to chocolate.
Phenolic aldehyde found in grapes and especially extracted from barrel wood during aging; responsible for a vanilla note in wines