Studien über das Verhalten von Fettinhaltsstoffen bei der Raffination. 7. Mitt. Zur Einwirkung verschiedener Entschleimungsmittel auf die Phosphatidzusammensetzung von pflanzlichen Fetten

Franzke, Cl.; Brandt, P.; Hollstein, E.

doi:10.1002/food.19730170605

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1973

DOI: 10.1002/food.19730170605

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Studien über das Verhalten von Fettinhaltsstoffen bei der Raffination. 7. Mitt. Zur Einwirkung verschiedener Entschleimungsmittel auf die Phosphatidzusammensetzung von pflanzlichen Fetten

Cl. Franzke

P. Brandt

E. Hollstein

Abstract: Vergleichende Untersuchungen über den Einfluß von Schwefel‐ und Phosphorsäure als Entschleimungsmittel haben ergeben, daß Schwefelsäure die Phosphatide weitgehend zu Lysoverbindungen und polaren Spaltprodukten abbaut, während Phosphorsäure dazu nur in geringerem Umfang in der Lage ist. Bei Einsatz von Schwefelsäure ist gegenüber von Phosphorsäure als Entschleimungsmittel ein stärkerer Rückgang im Phosphorgehalt nachweisbar.

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The Effects of Refining on the Chemical Composition of Turkish Sunflower Seed Oil

Karaali¹

1985

Fette, Seifen, Anstrichm.

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ball-like fruits borne on the trunk. Fruits are nearly globular, indehiscent,hardon theexterior and pulpy inside,withmany seeds embeded in it. Shells of the fruits are used as utensils. Pulp is generally eaten by Negroes in Guiana. It is also used for preparation of beverages I.Though the plant is of economic importance, extraction and composition of the oils from the seeds have not been studiedsofar.Hencethisplant isselectedforstudyingthenature and composition of oil from the seeds. This type of work is canied out for the fmt time in Couroupita guianensis Aubl. E x p e r i m e n t a l D e s i g n Mature fruits of Couroupitaguianensis Aubl. were collected from the plant growingin theuniversitycampusofM.S.University-Baroda in Gujarat State. The seeds after removing the pulp were dried in the shade for about two weeks. The seeds were powdered with pestle in a mortar and extracted with petroleum ether (40O-60' C) in a Soxhlet apparatus. The solvent was removed in arotary evaporator at 30°-350 C and by flushing with nitrogen. The contents of moisture, oil and protein and the characteristics of the extracted oils were determined according to the Official and Tentative Methods of AOCS ' . The methyl esters of oil were prepared according to the method of Smith 'i. The methyl esters were analysed by gas liquid chromatography (GLC) using a CIC gaschromatograph fitted with flame ionization detector (F'ID). A stainless steel column (2.4 m x 3.2 mm) packed with 15% DEGS on chromosorb W, 80-100 mesh and maintained at 2000 C was used. Nitrogen was used as camer gas at a flow rate of 45 d m i n . The peak area was measured as the product of the peak height and the peak width at half-height. The peaks were identified using reference compounds.

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The Effects of Refining on the Chemical Composition of Turkish Sunflower Seed Oil

Karaali¹

1985

Fette, Seifen, Anstrichm.

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Studien über das Verhalten von Fettinhaltsstoffen bei der Raffination. 7. Mitt. Zur Einwirkung verschiedener Entschleimungsmittel auf die Phosphatidzusammensetzung von pflanzlichen Fetten

Cited by 1 publication

References 2 publications

The Effects of Refining on the Chemical Composition of Turkish Sunflower Seed Oil

The Effects of Refining on the Chemical Composition of Turkish Sunflower Seed Oil

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