THE ANTIOXIDANT ETHOXYQUIN AND ITS ANALOGUES: A REVIEW

Autor:	Adrianus J. de Koning
Rok vydání:	2002
Předmět:	chemistry.chemical_classification Ethoxyquin Antioxidant medicine.medical_treatment digestive oral and skin physiology Fish oil Original research chemistry.chemical_compound Fish meal chemistry medicine Fish Food science Food Science Polyunsaturated fatty acid
Zdroj:	International Journal of Food Properties. 5:451-461
ISSN:	1532-2386 1094-2912
DOI:	10.1081/jfp-120005797
Popis:	This review records original research carried out in our Institute since 1983 on the antioxidant ethoxyquin (1,2 dihydro-6-ethoxy-2,2,4-trimethylquinoline)(EQ, I) used for the protection of the valuable polyunsaturated fatty acids in fish meal. The residual lipids in South African fish meals have a high degree of unsaturation, which renders the meals prone to spontaneous combustion. Addition of EQ is therefore essential. Accurate physical constants have been determined for EQ, while over the years a number of analogues of EQ have been prepared and their antioxidant efficacy in fish meal compared to that of EQ. It became clear that the efficacy of an antioxidant intended for fish meal must be determined in fish meal and not in an accelerated test in fish oil. Only one analogue could compete with EQ in efficacy and price namely hydroquin (1,2-dihydro-2,2,4-trimethylquinoline)(VII). A patent on this antioxidant in fish meal has been taken out. On storage of fish meal the extractable EQ content dimin...
Databáze:	OpenAIRE
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