Photo-oxygenation of D-limonene was studied to clarify the relation between flavor in foods and photo-oxygenative change of D-limonene.
D-Limonene was converted to photo-oxygenated derivatives which were as limoneneoxide (1, 2), terpin, p-menthadien-(2, 8)-ol-(1), carvon, carveol, isopiperitenone, and p-menthadien-(2, 8)-methylether-(1).
Several compounds in these have been identified from auto-oxygenation of D-limonene.
Oxydation of D-limonene was reduced by vitamin C, thiourea, palmitic acid, stearic acid and the crystal which was isolated with ether from mandarin orange fruit juice.
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