Pontefract cake Pontefract cake Pontefract cakes (also known as Pomfret cakes and Pomfrey cakes) are a type of small, roughly circular black sweet measuring approximately 2 cm in diameter and 4 mm thick, made of liquorice, originally manufactured in the Yorkshire town of Pontefract, England. The original name for these small tablets of liquorice is a "Pomfret" cake, after the old Norman name for Pontefract. However, that name has fallen into disuse and they are now almost invariably labelled "Pontefract cakes". The term "cake" has a long history. The word itself is of Germanic origin, from the Germanic "kakâ" (cook). The exact
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.