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In page Resin:

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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 food and incense.[citation needed] The resin of the Aleppo pine is used to flavor retsina, a Greek resinated wine.[2]