[ name ] turpentine alcohol
 [ English name ] pinoresinol
 [ source ] pine trees by the dry distillation or water vapor in the dry distillation loose oil, again by fractionation
 [ specification ] 1.5%, 5%
 [ detection method ] HPLC
 [ clinical application ] is our country the rules to allow the use of edible essence, mainly for the lemon and orange, strawberry, peach fruit flavor