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stearin
stearin (ˈstiːərɪn) Also -ine. [ad. F. stéarine (Chevreul), f. Gr. στέαρ stiff fat, tallow, suet: see -in.] 1. Chem. A general name for the three glycerids (monostearin, distearin, tristearin) formed by the combination of stearic acid and glycerine; chiefly applied to tristearin, which is the chief ...
Oxford English Dictionary
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Stearin
Like other triglycerides, stearin can crystallise in three polymorphs. For stearin, these melt at 54 (α-form), 65, and (β-form). Note that stearin is also used to mean the solid component of an oil or fat that can be separated into components that melt at higher (the stearin) and
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Palm stearin
Palm stearin is the solid fraction of palm oil that is produced by partial crystallization at controlled temperature. In terms of fatty acid composition, a typical soft palm stearin might contain almost 50% palmitic acid and 35% oleic acid.p. 31
References
Palm oil
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stearo-
stearo- (stiːərəʊ) used as combining form of stearic or stearin in many names of chemical compounds containing or derived from stearin, e.g. stearochlorhydrin, stearoglucose, stearolaurin (see Watts Dict. Chem.).1873 C. H. Ralfe Outl. Phys. Chem. 21 Stearo-cholesterin. 1911 Encycl. Brit. XX. 44/1 Ex...
Oxford English Dictionary
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distearin
distearin Chem. (daɪˈstiːərɪn) [ad. F. distéarine (Berthelot 1854, in Ann. de Chim. et de Phys. 3rd Ser. XLI. 221), f. di-2 + stearin.] A fat, the diglyceride of stearic acid. (Cf. stearin 1.)1866 H. Watts tr. Gmelin's Hand-bk. Chem. XVII. 117 (heading) Distearin. 1873 C. H. Ralfe Outl. Physiol. Che...
Oxford English Dictionary
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Liljeholmens Stearinfabriks AB
Production
Today the factory is the world's largest manufacturer specialized in stearin candles. The yearly production is about 10 000 tons.
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stearoptene
stearoptene (stiːəˈrɒptiːn) Also -en, -ine. [ad. mod.L. type stearoptēnum (Herberger 18..), f. Gr. στέαρ solid fat (cf. stearin) + πτηνό-ς winged (taken to represent ‘volatile’). Cf. F. stéaroptène. Both this and the parallel elæoptene are bad formations, and do not express the intended meaning.] Th...
Oxford English Dictionary
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Orris oil
It is solid because of the high content of myristic acid (85%), a white stearin-like substance.
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stearinery
ˈstearinery rare. [f. stearin + -ery. Cf. F. stéarinerie, factory in which stearine is made.] The manufacture of stearine or stearine products.1875 Knight Dict. Mech. 2362/2 The next step made in stearinery was the decomposition of the fats by water.
Oxford English Dictionary
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Sodium stearate
The idealized equation for the formation of sodium stearate from stearin (the triglyceride of stearic acid) follows:
(C18H35O2)3C3H5 + 3 NaOH →
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steariform
steariform, a. (ˈstiːərɪfɔːm) [f. stearin + -form.] Resembling stearin, or hard fat.1860 Mayne Expos. Lex. 1911 Webster's Dict.
Oxford English Dictionary
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Carl Schmidt (chemist)
determined the typical crystallization patterns of many important biochemicals such as uric acid, oxalic acid and its salts, lactic acid, cholesterin, stearin
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petrostearin
petrostearin (pɛtrəʊˈstiːərɪn) [f. petro-1 + stearin.] A name for ozocerite, a mineral resembling stearin.1879 Webster, Suppl., Petro-stearine.., a solid unctuous material of which certain kinds of candles are made. 1893 in Syd. Soc. Lex.
Oxford English Dictionary
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مشيل أجين شفرول
مِشيل أُجين شِفرول (بالفرنسية: Michel-Eugène Chevreul؛ 1786–1889) كيميائي فرنسي عُرف بأعماله على الأحماض الدهنية والتصبن واكتشافه للستيرين (Stearin).
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-ine
Many proteins and lipids have names ending with -in: for example, the enzymes pepsin and trypsin, the hormones insulin and gastrin, and the lipids stearin
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