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Resin
Solid or highly viscous substance / From Wikipedia, the free encyclopedia
For other uses, see Resin (disambiguation).
In polymer chemistry and materials science, a resin is a solid or highly viscous substance of plant or synthetic origin that is typically convertible into polymers.[1] Resins are usually mixtures of organic compounds. This article focuses mainly on naturally occurring resins.
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Plants secrete resins for their protective benefits in response to injury. Resins protect plants from insects and pathogens.[2] Resins confound a wide range of herbivores, insects, and pathogens, while the volatile phenolic compounds may attract benefactors such as parasitoids or predators of the herbivores that attack the plant.[3]