Progress in Essential Oils

Dill Oil and Extract Zhao et al. (1995) reported that a dill seed oil produced in China possessed the following composition:

limonene (27.67 percent) α-p-dimethylstyrene (0.10 percent) cis-dihydrocarvone (0.26 percent) trans-dihydrocarvone (1.33 percent) trans-carveol (0.10 percent) carvone (65.8 percent) (E)-anethole (0.10 percent) apiole (4.16 percent)

Reichert and Mosandl (1999) confirmed by synthesis and enantiomeric distribution studies using chiral GC that dill ether had the stereochemistry (3S,3aS,7aR)-3,6-dimethyl-2,3,3a,4,5,7ahexahydrobenzo[ b]furan and was the only cis- or trans-fused ring oxide present in dill herb oil.

An oil produced from Indian dill seed (Anethum sowa Roxb.) was the subject of analysis by Shankaracharya et al. (2000). Using GC/MS and retention indices on a non-polar column as their analytical method, the authors found that the oil contained the following components:

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