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The fruit is a spiny, greenish (to reddish-purple) capsule containing large, oval, shiny, bean-like, highly poisonous seeds with variable brownish mottling. Castor seeds have a warty appendage called the caruncle, which is a type of elaiosome. The caruncle promotes the dispersal of the seed by ants (myrmecochory).
Castor beans Castor oil seeds in the Royal Botanic Gardens, Kew Economic Botany Collection. Ricin is very toxic if inhaled, injected, or ingested. It can also be toxic if dust contacts the eyes or if it is absorbed through damaged skin. It acts as a toxin by inhibiting protein synthesis.
Castor bean has bold, tropical-looking foliage and spiny capsules. At maturity, the capsules split open to reveal tan seeds marbled with dark brown, which contain the potent toxin ricin.
Castor beans, when ground, yield a highly lethal poison called ricin. When alerted to the possibility of Michael Farrar having been poisoned in the months before the fire, detectives investigated the origin of the castor beans that had led to police investigating the September domestic dispute. The label on the seed packets identified them as a ...
Castor oil is a vegetable oil pressed from castor beans, the seeds of the plant Ricinus communis. [1] The seeds are 40 to 60 percent oil. [2] It is a colourless or pale yellow liquid with a distinct taste and odor. Its boiling point is 313 °C (595 °F) and its density is 0.961 g/cm 3. [3]
Castor oil is a type of vegetable oil produced by pressing the seeds of the castor bean plant. It’s been used for thousands of years in traditional and folk medicine to treat a range of issues ...
Ricinine is a toxic alkaloid found in the castor plant. [2] It can serve as a biomarker of ricin poisoning. [3] [4] It was first isolated from the castor seeds by Tuson in 1864. [5] [6] Ricinine has insecticidal effects. [7] It sublimes between 170 and 180 °C at 20 mmHg.
According to the 2007 edition of the Guinness Book of World Records, the castor oil plant is the most poisonous in the world, though its cousin abrin, found in the seeds of the jequirity plant, is arguably more lethal. Castor oil, long used as a laxative, muscle rub, and in cosmetics, is made from the seeds, but the ricin protein is denatured ...