by Tisserand Institute | Nov 21, 2016
Did you know that different extraction methods mean not only different chemical composition, but also different yields? Here is a comparison of steam distillation and supercritical CO2 extraction of some plant materials. While the differences are not so dramatic for...
by Tisserand Institute | Oct 24, 2016
Did you know that in the past you had to comb a goat’s beard to obtain the fragrant labdanum resin? Sometimes strange practices are used to harvest fragrant substances, and brushing a goat’s hair is definitely one of them. Labdanum is the dark, sticky...
by Tisserand Institute | Oct 17, 2016
Did you know that the hydrosol and essential oil from the same plant contain the same constituents but often at very different ratios? Because the hydrosol only contains about 0.05% of aromatic constituents, they are able to dissolve in this watery medium as they are...
by Tisserand Institute | Oct 3, 2016
Did you know that Ho Wood, Ravintsara and Camphor oils all come from the same plant? Cinnamomum camphora is a large evergreen tree native to Asia and occurs in many chemotypes, three of which are commercially processed. Paradoxically, White Camphor oil, commonly known...
