Shea butter in the context of "Oleic acid"

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⭐ Core Definition: Shea butter

Shea butter (/ʃ/ SHEE, /ˈʃə/ SHEE, or /ʃ/ SHAY; Bambara: ߛߌ߮ߕߎߟߎ, romanized: sìtulu) is a fat (triglyceride; mainly oleic acid and stearic acid) extracted from the nut of the African shea tree (Vitellaria paradoxa). It is ivory in color when raw and commonly dyed yellow with borututu root or palm oil. It is widely used in cosmetics as a moisturizer or lotion. It is edible and is used in food preparation in some African countries. It is occasionally mixed with other oils as a substitute for cocoa butter, although the taste is noticeably different.

The English word "shea" comes from , the tree's name in Bambara. It is known by many local names, such as kpakahili in the Dagbani language, taama in the Wali language, nkuto in Twi, kaɗe or kaɗanya in Hausa, òkwùmá in the Igbo language, òrí in the Yoruba language, and karité in the Wolof language of Senegal. It is also known as Moo-yaa in the Acholi language.

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Shea butter in the context of Stearic acid

Stearic acid (/ˈstɪərɪk/ STEER-ik, /stiˈærɪk/ stee-ARR-ik) is a saturated fatty acid with an 18-carbon chain. The IUPAC name is octadecanoic acid. It is a soft waxy solid with the formula CH3(CH2)16COOH. The triglyceride derived from three molecules of stearic acid is called stearin. Stearic acid is a prevalent fatty acid in nature, found in many animal and vegetable fats, but is usually higher in animal fat than vegetable fat. It has a melting point of 69.4 °C (156.9 °F)  °C and a pKa of 4.50.

Its name comes from the Greek word στέαρ "stéar", which means tallow. The salts and esters of stearic acid are called stearates. As its glycerol ester, stearic acid is one of the most common saturated fatty acids found in nature and in the food supply, following palmitic acid. Dietary sources of stearic acid include meat, poultry, fish, eggs, dairy products, and foods prepared with fats; beef tallow, lard, butterfat, cocoa butter, and shea butter are rich fat sources of stearic acid.

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