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M. K. Kundu

Bio: M. K. Kundu is an academic researcher from University of Calcutta. The author has contributed to research in topics: Glyceride & Polyunsaturated fatty acid. The author has an hindex of 3, co-authored 3 publications receiving 59 citations.

Papers
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Journal ArticleDOI
TL;DR: A single step photometric micromethod for determination of fatty acids in lipids in benzene solution, using rhodamine 6G reagent, is developed and is applicable in the presence of glycerides, sterols, epoxy compounds, hydrocarbons and long chain hydroxy compounds such as long chain fatty alcohols.
Abstract: A single step photometric micromethod for determination of fatty acids in lipids in benzene solution, using rhodamine 6G reagent, has been developed. The method eliminates the disadvantage of formation of a biphasic system and is applicable in the presence of glycerides, sterols, epoxy compounds, hydrocarbons and long chain hydroxy compounds such as long chain fatty alcohols. The long chain fatty acids from C12 to C22, both saturated and unsaturated, can be determined with reasonable accuracy in the concentration range of 0.08–0.25 µmole/ml. The method is simple, rapid, and requires relatively inexpensive chemicals.

29 citations

Journal ArticleDOI
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.

22 citations

Journal ArticleDOI
01 Jan 1970-Analyst
TL;DR: In this paper, a micro-titrimetric method for the determination of the oxirane functional group by using quaternary ammonium halide and perchloric acid has been developed.
Abstract: A micro-titrimetric method for the determination of the oxirane functional group by using quaternary ammonium halide and perchloric acid has been developed. The method can be used for the determination of compounds with about 2 µequivalents of oxirane content.

9 citations


Cited by
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Journal ArticleDOI
TL;DR: Fish muscle lipolysis is presented in the context of basic fish muscle physiology and lipid composition and phospholipase A and lipases from fish muscle have been described and characterized.
Abstract: Lipolysis occurs extensively in fish muscle post-mortem and is associated with quality deterioration in the frozen tissue. Fish muscle lipolysis is presented in the context of basic fish muscle physiology and lipid composition. Phospholipase A and lipases from fish muscle have been described and characterized. The reaction is usually followed by measurement of free fatty acid production, and several colorimetric assays are available. Processing and storage treatments have been shown to influence the extent and rate of lipolysis in fish muscle; most of the research in this area has been directed at the effects of frozen storage. The interaction of lipolysis and lipid oxidation is a particularly intriguing area of study as triglyceride hydrolysis leads to increased oxidation while phospholipid hydrolysis produces the opposite effect.

121 citations

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: A rapid, dose-dependent effect of TCDD, was the elevation of levels of organic-soluble fluorescent pigment in the heart, which was found to match a previously characterized fraction of lipofuscins in fluorescence spectrum and chromatographic properties.

93 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

Journal ArticleDOI
TL;DR: A rapid and sensitive spectrophotometric assay for free fatty acids using rhodamine 6G dye base in benzene as a fatty acid indicator is described, finding negligible to moderate interference by methyl stearate, phosphatidylcholine, cholesterol, partially purified spinach galactolipids, and spinach subchloroplast particle pigments.

56 citations