Castor oil comes from the expressed seeds of the castor oil plant. Although the seeds are extremely poisonous in their natural state (2 seeds could kill an adult), the toxins do not transfer into the expressed seed oil. Ironically, one of the medicinally purposes of castor oil is as a laxative and, in high doses, a purgative. As such, castor oil has been used to clear the digestive tract in cases of poisoning. Castor oil has also been used to treat skin conditions, stimulate breast-milk production, alleviate tender and swollen joints, and, even, as an ingredient in cosmetic products.
History & Folklore
Over the last 4000 years castor oil has proved its reputation as a strong digestive aid, and for other medicinal purposes. In the past, castor oil was used a common remedy for children; believing it would cleanse their bodies and prevent sickness. In combination with its unpleasant taste, its a wonder that castor oil is thought of as anything other than a bad experience.
Habitat & Cultivation
Castor oil comes from the castor oil plant. The plant itself is an evergreen shrub which will grow to be over 30 feet tall in its natural environment. It boasts large maple-shaped leaves, yellow-green flowers, and prickly red seed capsules. Castor oil is expressed from the seeds of the castor oil plant, which are harvested throughout the year when nearly ripe, then laid out in the sun to fully mature. Native to eastern Africa, the castor oil plant is now cultivated in hot climates across the globe.
Uses
Cleansing Properties strong laxative and, in high doses, purgative actions; so effective it has been used to clear the digestive tract in cases of poisoning
Other Uses treating skin conditions; cosmetic preparations; treat facial palsy
Pre- and Postpartum Uses only under the advice of a medical professional, castor oil has been used (especially in midwifery) to induce labor after 40 weeks of pregnancy; oil is massaged into breast to stimulate milk flow
Parts used
Seed oil
Seeds
Key Actions
Laxative
Purgative
Poultice
Constituents
45-55% fixed oil
Ricin
Ricinine
Lectins
References
- Chevallier, Andrew, FNIMH; Encyclopedia of Herbal Medicine - 550 Herbs and Remedies for Common Ailments; 3. Edition 2016; ISBN: 978-0-2412-2944-6; Page 262-63.
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