extraction of natural resin from pine tree trunks

amber aroma balm balsam bark carving collector conifeous conifers cutting distillate distilling essence essential europe extraction fir fragrant from gum harvesting injury insoluble jar larch leather liquid lymph natural oils paint pine pines plant portugal ragia resin rubber sap scent secretion solvent spruce sticky substance tannin tanning therapy tree trunk trunks turpentine