I have only come across two people besides me in the world (via internet searches) who have this allergy.
Which chemical is this?
In the EU Ethylmaltol (E637) is often used as grape flavouring.
In the USA Methyl Anthranilate is more common.
Our hosting is made possible thanks to the kind support of our patrons on Patreon. Please consider supporting us as well if our service is valuable to you!
You can also buy a shirt/mug to support us with our hosting costs.
The openSNP project is licensed under the MIT License, the code is at GitHub. The data is donated into the public domain using CC0 1.0.
The CSS of openSNP is provided by Bootstrap, from Twitter and is licensed under the Apache License v2.0, the search icon comes from glyphicons.