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Journal ArticleDOI

Studies on some chemical aspects of kusum oil

01 Jan 1969-Journal of the American Oil Chemists' Society (Springer-Verlag)-Vol. 46, Iss: 1, pp 23-27
TL;DR: In this paper, the location and nature of cyanogenic compounds in kusum oil were determined using chromatographic and infrared spectroscopy methods, and it was shown that at least two glyceride molecules are involved.
Abstract: Chemical methods, chromatography and infrared spectroscopy have been applied to ascertain the location and nature of the cyanogenic compounds in kusum oil. Observations indicate the cyanogenic compounds to be a part of glyceride molecules in which one of the hydroxyl groups of the latter is bonded to the cyanogenic compound through an ether linkage. Chromatographic behavior of the isolated cyanogenic compounds further indicates that at least two glyceride molecules are involved. These glycerides are predominantly esterified with saturated fatty acids.
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Journal ArticleDOI
01 Jul 2010-Fuel
TL;DR: In this article, a non-edible oil bearing plant has been used as an ideal feedstock for biodiesel development in the present study and various physical and chemical parameters of the raw oil and the fatty acid methyl esters derived have been tested to confirm its suitability as a biodiesel fuel.

100 citations

Journal ArticleDOI
TL;DR: The present work has not only established the escalation obtained due to ultrasonication but also exemplified the two-step approach for synthesis of biodiesel from non-edible kusum oil based on the use of heterogeneous catalyst for the transesterification step.

63 citations


Cites background from "Studies on some chemical aspects of..."

  • ...Fatty acid composition of kusum oil has earlier been reported in the literature [5-6] and is shown in Table S1....

    [...]

Book ChapterDOI
TL;DR: The cyanogenic glycosides, here defined as glycosidic derivatives of α-hydroxynitriles, represent a rather limited class of natural products, which are widely distributed in the plant kingdom and, to a small extent, even in animals.
Abstract: The cyanogenic glycosides, here defined as glycosidic derivatives of α-hydroxynitriles, represent a rather limited class of natural products, which are widely distributed in the plant kingdom and, to a small extent, even in animals. A characteristic feature of these glycosides is their ability to release hydrocyanic acid on treatment with dilute acids or appropriate enzymes. The term “cyanogenic” is used to designate this property, regardless of whether pure substances, plants, or animals, are serving as the source. In the latter cases the term “cyanophoric” is occasionally employed synonymously.

51 citations

Journal ArticleDOI
01 Oct 1970-Lipids
TL;DR: A number of seed oils have been investigated with respect to their cyanolipid constituents as mentioned in this paper, which consist of long-chain fatty acids esterified with an unsaturated isoprenoid hydroxy- or dihydroxynitrile.
Abstract: A number of sapindaceous seed oils have been investigated with respect to their cyanolipid constituents. All but one of the oils have this new class of lipids in amounts ranging from 13% to 55%. These cyanolipids are of four different types, but all consist of long-chain fatty acids esterified with an unsaturated isoprenoid hydroxy- or dihydroxynitrile. The large amounts of C20 acids usually found in these oils indicate an appreciable cyanolipid content because such acids are preferentially incorporated in nitrile-containing fractions.Cardiospermum halicacabum L. seed oil was shown to contain 49% of a diester having two fatty acid moieties esterified with 1-cyano-2-hydroxymethylprop-2-ene-1-ol and 6% of another diester derived from 1-cyano-2-hydroxymethylprop-1-ene-3-ol. Treatment of the latter diester with methanolic hydrogen chloride produces methyl 4,4-dimethoxy-3-(methoxymethyl) butyrate from the dihydroxynitrile moiety.

40 citations

References
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Journal ArticleDOI
TL;DR: In this paper, it is shown that with the help of these processes, it is possible to separate the critical pairs of fatty acids and to identify the individual components of triglycerides.
Abstract: Es wird uber Hydrierungs- und Bromierungs-Reaktionen berichtet, die direkt auf den dunnschicht-chromatographischen Platten durchgefuhrt werden, indem man das Palladium als Katalysator auf der Platte erzeugt bzw. das Brom in dem Fliesmittel lost. Mit Hilfe dieser Reaktionen ist est moglich, kritische Paare von Fettsauren zu trennen und einzelnen Komponenten zu identifizieren. Die Trennung der Brom-Derivate anstelle der ursprunglich ungesattigten Verbindungen fuhrte auch bei der Analyse der Triglyceride zu weiteren Fortschritten. Thin Layer Chromatography in the Field of Fats VI: Hydrogenation and Bromination on the Plate Hydrogenation and bromination employing palladium as catalyst on the plate and bromine dissolved in the mobile phase are carried out directly on the thin layer chromatographic plates. With the help of these processes it is possible to separate the critical pairs of fatty acids and to identify the individual components. The separation of bromo-derivatives instead of the original unsaturated compounds leads also to further progress in the analysis of triglycerides.

58 citations

Journal ArticleDOI
TL;DR: In this article, a new method for the colouring of thin layer chromatographic plates has been described, which makes it possible to immerse the plates in aqueous solutions and hence the specific colouring procedures of the PC-analysis, which consist of a thorough washing of the chromatograms, are made applicable to the thin-layer chromatography.
Abstract: Es wird uber eine neue Moglichkeit zur Anfarbung dunnschichtchromatographischer Platten berichtet. Die Fixierung der Schicht mit Dichlordimethylsilan ermoglicht das Eintauchen der Platten in wasrige Losungen und somit die Ubertragung spezifischer Anfarbungsverfahren der pc-Analyse, die mit einem Auswaschen der Chromatogramme verbunden sind, auf die Dunnschicht-Chromatographie. Diese Fixierung fuhrte auch zur Erkennung der Substanzen mit Hilfe sog. Transparenz-Erscheinungen, auf die hier am Beispiel der Trennung von Triglyceriden naher eingegangen wird. Thin Layer Chromatography in the Field of Fats III: Visualization of the Analysing Substances on the Plate A new method for the colouring of thin layer chromatographic plates has been described. The fixing of the layer with dichlordimethylsilane makes it possible to immerse the plates in aqueous solutions and hence the specific colouring procedures of the pc-analysis, which consist of a thorough washing of the chromatograms, are made applicable to the thin layer chromatography. This fixation leads also to the detection of the substances with the help of the so-called transparency phenomenon, which has been dealt with here, taking triglyceride separation as an example.

35 citations

Journal ArticleDOI
TL;DR: In this article, a process for making break-free soybean oil is described in which crude oil is treated with a small amount of an organic acid anhydride and then degummed by water addition and phase separation.
Abstract: A process for making break-free soybean oil is described in which crude oil is treated with a small amount of an organic acid anhydride and then degummed by water addition and phase separation. The break-free oil can be used for industrial applications or processed to an edible grade of oil without alkali-refining. Laboratory data are presented, comparing quality of edible oils, processing losses, and composition of deodorizer distillates of alkali-refined soybean oils with oils prepared by the degumming process described in this paper.

26 citations