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Physostigma venenosum, the Calabar bean or ordeal bean, is a leguminous plant, Endemic to tropical Africa, with a seed poisonous to humans.It derives the first part of its scientific name from a curious beak-like appendage at the end of the stigma, in the centre of the flower; this appendage, though solid, was supposed to be hollow (hence the name from φῦσα, a bladder, and stigma).
Ricin (/ ˈ r aɪ s ɪ n / RY-sin) is a lectin (a carbohydrate-binding protein) and a highly potent toxin produced in the seeds of the castor oil plant, Ricinus communis.The median lethal dose (LD 50) of ricin for mice is around 22 micrograms per kilogram of body weight via intraperitoneal injection.
Lima bean, butter bean, sieva bean, double bean, Madagascar bean Fabaceae: Raw beans contain dangerous amounts of linamarin, a cyanogenic glycoside. [27] Phaseolus vulgaris: kidney bean, common bean Fabaceae: Phytohaemagglutinin, a toxic lectin, is present in many varieties of common bean but is especially concentrated in red kidney beans.
Ricinus communis, the castor bean [1] or castor oil plant, [2] is a species of perennial flowering plant in the spurge family, Euphorbiaceae. It is the sole species in the monotypic genus , Ricinus , and subtribe , Ricininae .
Measured in haemagglutinating units (hau), a raw red kidney bean may contain up to 70,000 hau, but this is reduced to between 200 and 400 hau when properly cooked. [5] Studies by British scientists recommend soaking beans for at least five hours, discarding the water, and then boiling the beans in fresh water at 100 °C (212 °F) for at least ...
Abrus precatorius, commonly known as jequirity bean or rosary pea, is a herbaceous flowering plant in the bean family Fabaceae. It is a slender, perennial climber with long, pinnate -leafleted leaves that twines around trees, shrubs, and hedges.
The price of the bean surged as headwinds battered key producers. Prices are likely to stay high into 2025, analysts at ING said. Cocoa closed out 2024 ahead of every major commodity, after a year ...
Crotalaria retusa is a species of flowering plant in the legume family known by various common names including devil-bean, [2] rattleweed, [3] shack shack, [4] and wedge-leaf rattlepod. [2] It is poisonous to livestock, and contaminates human food. Its original native range is unclear, probably including tropical Asia, Africa and Australia. [5]