Plantiac liquids that can be obtained from the roots of the liquorice plant ("Glycyrrhiza glabra", Dutch "zoethoutwortel"). Whereas so-called eau-de-vie (or other grape-based extracts) is sometimes used during the production of Dutch Brandy, this does not happen when Plantiac is made. It contains 35% alcohol. The brown colour of Plantiac is obtained using caramel. It is not certain when Plantiac was first made. Although advertisements insist on a 100-year anniversary in 1970 this is not true. Plantiac was first produced as Plantinga Cognac by the Plantinga distillery in Bolsward, Netherlands, most likely in the 1930s or 1940s. The 100-year anniversary seems
International Union for the Protection of New Varieties of Plants is known to consider open and un-restricted access to the genetic resources of protected plant varieties to be important to the continued development of new varieties. This opinion is indicated in the "breeders' exemption" clause of the Convention, as described above, and was reinforced in October 2005 in a reply to a notification from the Convention on Biological Diversity. In April 2003, the Convention on Biological Diversity asked the UPOV for comment on the use of Genetic Use Restriction Technologies (also known pejoratively as 'terminator genes') as they relate to the promotion of intellectual property rights. In the summary of