زيت الخروع
| Kind | Excipient |
|---|---|
| Class | Oils, lipids & waxes — fixed vegetable oil |
| Synonyms | Ricinus oil, Oleum ricini, Refined castor oil |
| Common uses / forms | Stimulant laxative, oral/topical oily vehicle, plasticiser for film coats, softgel fill; feedstock for PEG-hydrogenated castor oil surfactants |
| Properties | Viscous pale fixed oil rich in ricinoleic acid (~85–90%); high hydroxyl value giving its characteristic polarity; refined (BP/USP) grade decolourised and low in free fatty acid |
| Compendia | USP, EP, BP |
| Sourcing origins | India, China, Brazil |
| Dominant inbound route | Hormuz |
| Indicative price band | $ (< $10 / kg) |
| Indicative lead time | medium (50–80 days) |
| Notes | World supply is heavily concentrated in one country (India/Gujarat, ~80–85% of castor seed) — a geographic single-point risk even though many refiners exist; monsoon/harvest driven price swings. |
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Cite as: AUPAM Experts' Office, Castor Oil — sourcing profile (Excipient) — AUPAM Data Bank, retrieved 2026-08-31, https://aupameo.org/datasets/databank/e-castor-oil.html