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A resin is a solid or highly viscous liquid that can be converted into a polymer. [1] Resins may be biological or synthetic in origin, but are typically harvested from plants. Resins are mixtures of organic compounds, and predominantly terpenes. Well known resins include amber, hashish, frankincense, myrrh and the animal-derived resin, shellac.
Turpentine (which is also called spirit of turpentine, oil of turpentine, terebenthine, terebenthene, terebinthine and, colloquially, turps) [2] is a fluid obtained by the distillation of resin harvested from living trees, mainly pines. Principally used as a specialized solvent, it is also a source of material for organic syntheses.
Even afterwards, ancient kauri fields and the remaining forests continued to provide a source for the gum. [2] [3] Between 1820 and 1900, over 90% of Kauri forests were logged or burnt by Europeans. [4] Kauri gum forms when resin from kauri trees leaks out through fractures or cracks in the bark, hardening upon exposure to air.
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Balsam is a solution of plant-specific resins in plant-specific solvents (essential oils).Such resins can include resin acids, esters, or alcohols.The exudate is a mobile to highly viscous liquid often containing crystallized resin particles.
Resin from Commiphora myrrha continues to be an important source of myrrh, which is a key ingredient that adds flavour to meat products, desserts, soft drinks, gum, and sweets. [6] Moreover, its use as a fragrance in incense has extended to other cosmetic products, such as mouthwash, [7] soaps, and perfumes.
Pittosporum resiniferum, the resin cheesewood [4] or petroleum nut, is a tree that grows in the Philippines and Malaysia, particularly in the wilderness surrounding the Mayon Volcano and in the Cordillera of the Philippines and Mount Kinabalu of Sabah, Malaysia. [1]
It is the most common source ore for refining elemental mercury and is the historic source for the brilliant red or scarlet pigment termed vermilion and associated red mercury pigments. Cinnabar generally occurs as a vein-filling mineral associated with volcanic activity and alkaline hot springs .
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