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Article
Antioxidant properties of desferrioxamine E, a new hydroxamate antioxidant
Antioxidant properties of desferrioxamine E, a cyclic trihydroxamate produced by microorganisms, were tested and compared to those of desferrioxamine B and butylated hydroxyanisole (BHA). Desferrioxamine E exh...
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Article
A simple and sensitive method for detecting avocado seed oil in various avocado oils
The presence of avocado seed oil in various avocado oils was detected by thin-layer chromatography (TLC). An unsaponifiable compound, called Component-C, was identified in the avocado seed oil. This compound i...
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Article
Lipolytic activity of white pepper powder at high temperatures in a nonaqueous system
White pepper is added as a spice to goose fat in the food industry (particularly in the liver pâté industry) and causes the development of undesirable flavors. In the present study, we demonstrate that white p...
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Article
Antioxidant properties of deferoxamine
Deferoxamine, a natural trihydroxamate, was tested for its antioxidant properties. A significant antioxidant effect was detected in linoleic and linolenic acid suspensions, as well as in linoleic acid and fish...
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Article
Avocado oil production and chemical characteristics
Centrifugal force separation is a relatively new industrial process for extracting avocado oil. This study examined the influences of temperature, pH and NaCl concentration on oil extraction efficiency by cent...
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Article
Oxidative stability of avocado oil
This study is concerned with the extent of oxidative deterioration and oil stability as determined by measuring peroxide and conjugable oxidation products (COP) values and AOM time of refined bleached avocado ...
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Article
Effectiveness of antioxidants in refined, bleached avocado oil
The addition of antioxidants propyl gallate (PG), α-tocopherol and ethoxyquin at a level of 250 ppm to refined, bleached avocado oil resulted in the retardation of the oxidative deterioration of the oil when i...
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Article
Induced chemiluminescence of oxidized fatty acids and oils
The injection of a strong organic base into milligram quantities of fats and oils dissolved in methylene chloride results in a burst of chemiluminescence whose peak intensity is a function of the previous ther...
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Chapter and Conference Paper
Partial Isolation and Characterisation of a Hemagglutinating Factor from Avocado Seed
Extracts of ground avocado seeds (Fuerte and Hass varieties), prepared in different buffer solutions (pH 2.0–12.0), show hemagglutinating activity towards A, B, AB, and H (0) human erythrocytes. The extract sh...
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Chapter and Conference Paper
A Novel Micromethod for the Limulus Amebocyte Lysate (LAL) Assay for Endotoxin, Based on Hydrostatic Pressure
A micromethod for performing the Limulus amebocyte lysate (LAL) assay for the presence of endotoxin is described which requires only about five percent of the standard amount of LAL reagent. The method is base...
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Chapter and Conference Paper
2 Methylene-β-Alanine Methyl Ester: A Toxic Amino Acid Originating from the Sponge Fasciospongia cavernosa
N-acyl-2-methylene-β-alanine methyl esters (A) are the main lipidic compounds in the sponge Fasciospongia cavernosa. These compounds were isolated and after methanolysis — 2 methylene-β-alanine methyl esters (AA)...
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Article
Isolation of a new toxin from the sponge Latrunculia magnifica in the Gulf of Aquaba (Red Sea)
The sponge Latrunculia magnifica was found to be toxic for fish. A toxin has been isolated from this sponge by organic extraction-column chromatography and thin-layer chromatography. Several chemical properties o...
