Yorkshire Liquorice sweet was first created by George Dunhill from Pontefract, who in the 1760s thought to mix the liquorice plant with sugar. Yorkshire and in particular the city of York played a prominent role in the confectionery industry, with chocolate factories owned by companies such as Rowntree's, Terry's and Thorntons inventing many of Britain's most popular sweets. Another traditional Yorkshire food is pikelets, which are similar to crumpets but much thinner. The Rhubarb Triangle is a location within Yorkshire which supplies most of the rhubarb to locals. In recent years curries have become popular in the county, largely due to
Plant sources of anti-cancer agents podophyllotoxin which is found in "Podophyllum peltatum" (May Apple). Chemicals extracted from clippings of "Taxus brevifolia" (Pacific yew) have been used as the basis for two chemotherapy drugs, docetaxel and paclitaxel. Contains ingenol mebutate (Picato) which is used to treat skin cancer Trastuzumab emtansine (Kadcyla) is an antibody conjugated to a synthetic derivative of the cytotoxic principle of the Ethiopian plant "Maytenus ovatus". It used to treat breast cancer. Plant sources of anti-cancer agents Plant sources of anti-cancer agents are plants, the derivatives of which have been shown to be usable for the treatment or prevention of cancer in humans.