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Using either a combined dialysis/pervaporation system or a combined ultrafiltration/reverse osmosis/dialysis system, Auerbach (1995) compared the composition of a folded orange oil with one prepared by vacuum distillation. The results of this comparative study are presented in T-1.
Huang and Wu (1998) used a combination of analytical techniques to examine the composition of cold-pressed orange oil produced from five cultivars (‘Hamlin,’ ‘Jincheng,’ ‘Taoycheng,’ ‘Galliangcheng’ and ‘Washington’) grown in China. The results of this study are shown in T-2. It is of interest to note that ‘Galliangcheng’ cultivar was richest in carbonyl compounds, so it probably had the most intense orange aroma.
This is only an excerpt of the full article that appeared in P&F Magazine. The full content is not currently available online.