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Effects of irradiation in combination with waxing on the essential oils in orange peel

✍ Scribed by Mostafa Moussaid; Stéphane Caillet; Joséphine Nketsia-Tabiri; Cheikh Boubekri; Monique Lacroix

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
113 KB
Volume
84
Category
Article
ISSN
0022-5142

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✦ Synopsis

Abstract

The study evaluated the effects of waxing, irradiation dose and post‐irradiation storage time on the essential oils in orange peel. Mature oranges (Maroc late) waxed or unwaxed were treated with 1 or 2 kGy radiation and stored for 9 weeks at 20 °C and 40–50% RH. Essential oils from the peel were extracted and analysed by GC. Results showed that D‐limonene was significantly lower in waxed oranges; levels in samples treated with 2 kGy were higher than those in non‐irradiated or treated with 1 kGy. Linalool, methyl anthranilate and 3,7‐dimethyl‐2,6‐octadienal decreased as the dose increased. Levels of linalool increased with storage time but D‐limonene was unaffected. These results may aid in guaranteeing the quality of orange essential oils during storage time. Copyright © 2004 Society of Chemical Industry

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