Mozambique funeral beer poisoning such as digitalis. "Digitalis purpurea", the variety of foxglove flower that is the normal source of digitalis, has become common in the area after introduction by European settlers; the foxglove variety that is native to Africa, "Ceratotheca triloba", resembles the poisonous plant but does not contain digitalis. In the "Forbes" article, David Kroll surmises that while crocodile bile is reputed by local villagers to be highly toxic, this is almost certainly false. Crocodile bile resembles mammalian bile which is universally found in the digestive tract of all higher animals. Mice experimentally fed extracts of the bile did not die, and
Plant physiology plants produce a vast array of chemical compounds with unique properties which they use to cope with their environment. Pigments are used by plants to absorb or detect light, and are extracted by humans for use in dyes. Other plant products may be used for the manufacture of commercially important rubber or biofuel. Perhaps the most celebrated compounds from plants are those with pharmacological activity, such as salicylic acid from which aspirin is made, morphine, and digoxin. Drug companies spend billions of dollars each year researching plant compounds for potential medicinal benefits. Plants require some nutrients, such as carbon and