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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.
The castor seed contains ricin, a toxic lectin. Heating during the oil extraction process denatures and deactivates the lectin. Harvesting castor beans, though, may not be without risk. [58] The International Castor Oil Association FAQ document states that castor beans contain an allergenic compound called CB1A.
Ricinoleic acid, formally called 12-hydroxy-9-cis-octadecenoic acid, is a fatty acid.It is an unsaturated omega-9 fatty acid [1] and a hydroxy acid.It is a major component of the seed oil obtained from the seeds of castor plant (Ricinus communis L., Euphorbiaceae), the plant that produces ricin.
Edible oil refining is a set of processes or treatments necessary to turn vegetable raw oil into edible oil.. Raw vegetable oil, obtained from seeds by pressing, solvent extraction, contains free fatty acids and other components such as phospholipids, waxes, peroxides, aldehydes, and ketones, which contribute to undesirable flavor, odor, and appearance; [1] for these reasons, all the oil has ...
Fragrance extraction refers to the separation process of aromatic compounds from raw materials, using methods such as distillation, solvent extraction, expression, sieving, or enfleurage. [1] The results of the extracts are either essential oils , absolutes , concretes , or butters , depending on the amount of waxes in the extracted product.
BOSTON (Reuters) - A Vermont woman who planned to poison herself manufactured the deadly ricin substance in the retirement home where she lived and tested it on her fellow residents, federal ...
Peter Hermann Stillmark (22 July 1860, Penza, Russian Empire – 23 June 1923, Pärnu, Estonia) was a Baltic-German microbiologist.. In 1888 at the University in Dorpat, now Tartu in Estonia under Professor Rudolf Kobert's supervision, he completed his doctoral thesis Über Ricin, ein giftiges Ferment aus den Samen von Ricinus comm. L. und einigen anderen Euphorbiaceen, which is a description ...
This process that can take nine months to more than a year," the spokesperson added. With massive egg farms routinely housing more than 1 million chickens, just a few infections can lead to a ...