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Stearic acid (/ ˈ s t ɪər ɪ k / STEER-ik, / s t i ˈ ær ɪ k / stee-ARR-ik) is a saturated fatty acid with an 18-carbon chain. [9] The IUPAC name is octadecanoic acid. [9] It is a soft waxy solid with the formula CH 3 (CH 2) 16 CO 2 H. [9] The triglyceride derived from three molecules of stearic acid is called stearin. [9]
Calcium stearate is produced by heating stearic acid and calcium oxide: 2 C 17 H 35 COOH + CaO → (C 17 H 35 COO) 2 Ca + H 2 O. It is also the main component of soap scum, a white solid that forms when soap is mixed with hard water. Unlike soaps containing sodium and potassium, calcium stearate is insoluble in water and does not lather well. [2]
Mango oil, pressed from the stones of the mango fruit, is high in stearic acid, and can be used for making soap. [ 207 ] Mowrah butter, from the seeds of the Madhuca latifolia and Madhuca longifolia , both native to India .
Saturated (Stearic acid) Elaidic acid is the main trans unsaturated fatty acid often found in partially hydrogenated vegetable oils. [32] Oleic acid is a cis unsaturated fatty acid making up 55–80% of olive oil. [33] Stearic acid is a saturated fatty acid found in animal fats and is the intended product in full hydrogenation.
Fatty acid composition of watermelon seed oil [3] Fatty Acid ... Stearic acid (C18:0) 10.0 Oleic acid (C18:1) 15.0 Linoleic acid (C18:2) 63.0 Specifications of ...
Allanblackia seed oil is unusual in that it is composed of only a few triglycerides, derived from palmitic, oleic, and stearic acids. This is similar to other tropical fats like shea and cocoa butter. [6] [7] However, Allanblackia has an unusually high stearic acid content above 50%. More specifically Allanblackia seed oil contains 52-58% ...
The oil contains 35-45% stearic acid, an 18-carbon saturated fatty acid, and 40-45% oleic acid, which is a mono unsaturated fatty acid, with 18 carbon atoms. The refined oil is used as substitute for cocoa butter in chocolate manufacturing.
While the oil produced from the seeds of more common European and American pine varieties is mostly used for culinary purposes, Siberian pines (growing in Russia, Mongolia and Kazakhstan), as well as Korean pines (growing mostly in North Korea) yield the seeds with the highest content of pinolenic acid, as well as antioxidants associated with ...
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