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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 .
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.
Seeds from these plants are noted for their oil content, but little information is available on methods of extracting the oil. In most cases, the plants are grown as food, with dietary use of the oils as a byproduct of using the seeds as food. [45] Bitter gourd oil, from the seeds of Momordica charantia. High in α-Eleostearic acid. Of current ...
There are three primary types of plant oil, differing both the means of extracting the relevant parts of the plant, and in the nature of the resulting oil: Vegetable fats and oils were historically extracted by putting part of the plant under pressure, squeezing out the oil. Macerated oils consist of a base oil to which parts of plants are added.
Castor oil has numerous industrial uses, owing to the presence of a hydroxyl group on the fatty acid. Castor oil is a precursor to Nylon 11. Castor oil may also be reacted with epichlorohydrin to make a glycidyl ether which is used as a diluent and flexibilizer with epoxy resins. [citation needed]
Castor oil, the expressed natural fatty oil of the seeds of Ricinus communis also contains mixtures of the glycerides of isoricinoleic acids and much smaller traces of tristearin and the glyceride of dihydroxysteric acid. Ricinolein is the active principle in the use of castor oil as a purgative and solvent for several medically useful alkaloids.
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 .
Betulinic acid Ber tree, white birch, winged beans, tropical carnivorous plants Triphyophyllum peltatum, Ancistrocladus heyneanus, Diospyros leucomelas a member of the persimmon family, Tetracera boiviniana, the jambul (Syzygium formosanum), chaga (Inonotus obliquus), and many other Syzygium species.