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 | Nov 7, 2016
Did you know there is free research available online? PubMed Central is a gateway for open access research papers from all the sciences, and it has thousands that are relevant to aromatherapy. Go to http://www.ncbi.nlm.nih.gov/pmc and put in a keyword (such as...
by Tisserand Institute | Oct 31, 2016
Did you know that sometimes essential oils from totally different plants contain the same groups of constituents? For example essential oils of Rose, Geranium, Palmarosa, Melissa and Tomato leaf (not commercially produced) all contain geranyl acetate, geraniol,...
by Tisserand Institute | Oct 30, 2016
This question comes up quite frequently, so we are happy to discuss it here. Q (by Renee Highlen Gabet): If one has lost their smell does aromatherapy still work with the emotions like uplifting or physical like relaxing? A: As far as we know, psychological effects do...
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...