Xerigium is herbal medicine not Hops.
http://rimworldwiki.com/wiki/Xerigium
http://rimworldwiki.com/wiki/Hops
Hops is needed for Antibiotics and in vanilla for Beer.
http://rimworldwiki.com/wiki/Xerigium
http://rimworldwiki.com/wiki/Hops
Hops is needed for Antibiotics and in vanilla for Beer.