It is an excellent solvent for gums, resins, fats, &c.; sulphur, phosphorus and iodine also dissolve in it.
The hard transparent resins, such as the copals, dammars, mastic and sandarach, are principally used for varnishes and cement, while the softer odoriferous oleo-resins (frankincense, turpentine, copaiba) and gum-resins containing essential oils (ammoniacum, asafoetida, gamboge, myrrh, scammony) are more largely used for therapeutic purposes and incense.
Forest products - gums and resins of various sorts, such as gutta-percha - are valuable articles of export.
7-epE31,vOos or -rEpµcvOos), the oleo-resins which exude from certain trees, especially from some conifers such as Pinus sylvestris - and from the terebinth tree, Pistacia terebinthus, It was to the product of the latter, now known as Chian turpentine, that the term was first applied.
There are certainly at least two resins in the powder (which is known officially as Podophylli resina), one of them being soluble and the other insoluble in ether.