Essential oil, also defined as essence, volatile oil, etheric oil or aetheroleum, is a complex mixture of volatile constituents biosynthesised by living organisms. Essential oils can be liberated from their matrix by water, ...

The essence of aromaticity lies in its rarefaction; the essence of sweetness lies in its concentration and earthiness. This explain why aromatics are so much better adapted to feed the breath, while sweet substances are ...

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