Otto Wallach Quotes
As soon as science has solved one problem, new ones arise. This is the essence of science, and it applies, of course, also to the field of essential oils.
Most of the oils which are valued as scents are mixtures of substances; only the combined effect of these leads to the known result.
One would think that plants belonging to the same genus would always produce identical or at least similar oils. But this is by no means so.