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Oleoresins are semi-solid extracts composed of resin and essential or fatty oil, obtained by evaporation of the solvents used for their production. [1] The oleoresin of conifers is known as crude turpentine or gum turpentine , which consists of oil of turpentine and rosin .
The term gum turpentine may also refer to crude turpentine, which may cause some confusion. Turpentine may alternatively be extracted from destructive distillation of pine wood, [3] such as shredded pine stumps, roots, and slash, using the light end of the heavy naphtha fraction (boiling between 90 and 115 °C or 195 and 240 °F) from a crude ...
The hard transparent resins, such as the copals, dammars, mastic, and sandarac, are principally used for varnishes and adhesives, while the softer odoriferous oleo-resins (frankincense, elemi, turpentine, copaiba), and gum resins containing essential oils (ammoniacum, asafoetida, gamboge, myrrh, and scammony) are more used for therapeutic ...
Aqua fortis /spirit of nitre – nitric acid, formed by 2 parts saltpetre in 1 part (pure) oil of vitriol (sulfuric acid). (Historically, this process could not have been used, as 98% oil of vitriol was not available.) Aqua ragia /spirit of turpentine/oil of turpentine/gum turpentine – turpentine, formed by the distillation of pine tree resin.
The resin of the tree is called Cyprus turpentine or Cyprus balsam and used to make chewing gum in Cyprus, [11] in the area of Paphos. It is known as "Paphos Gum," or "Paphitiki Pissa" (Παφίτικη Πίσσα, Πίσσα Παφίτικη) in Cypriot Greek. [12] It has been reported to have significant antimicrobial and antifungal activity.
Gum turpentine may refer to: Oleoresin of the pine tree, also known as crude turpentine; Oil of turpentine obtained from pine gum (oleoresin)
Fat Quality Smoke point [caution 1]; Almond oil: 221 °C: 430 °F [1]: Avocado oil: Refined: 271 °C: 520 °F [2] [3]: Avocado oil: Unrefined: 250 °C: 482 °F [4]: Beef tallow: 250 °C: 480 °F
Myrrh is harvested by repeatedly wounding the trees to bleed the gum, which is waxy and coagulates quickly. After the harvest, the gum becomes hard and glossy. The gum is yellowish and may be either clear or opaque. It darkens deeply as it ages, and white streaks emerge. [3] Myrrh gum is commonly harvested from trees of the genus Commiphora.