drop resin pine branch |
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navigate by keyword : ancient and bark been branch coniferous damage diseases drop during has metabolism normal oleoresin pine resin result since special substance that times treat trees used various |
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A drop of resin on a pine branch. Pine oleoresin is a special substance that is by coniferous trees during normal metabolism and as a result of damage to the bark. Since ancient times, it has been used to treat various diseases. |
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