石竹烯是一类双环倍半萜类化合物。天然存在于柠檬、园柚、肉豆蔻、胡椒、覆盆子、黑加仑、肉桂叶油、丁香叶油中。概况有α-，β-，γ-三种异构体，香料界所说的石竹烯主要指β-石竹烯，α-石竹烯称为律草烯。β-石竹烯的双键顺式异构体称为异石竹烯(isocarophyllene)。石竹烯的中国GB 2760-1996批准为允许使用的食品香料。β-石竹烯中文名称: β-石竹烯英文名称: β-Caryophyllene英文别名:1-caryophyllene; 2-Methylene-6,10,10-trimethyl bicyclo[7.2.0]undec-5-ene;8-methylene-4,11,11-(trimethyl)bicyclo[7.2.0]undec-4-ene; beta-caryophyllene; (-)-beta-caryophyllene;Bicyclo[7.2.0]undec-4-ene, 4,11,11-trimethyl-8-methylene-, [1R-(1R*,4E,9S*)]-; bicyclo[7.2.0]undec-4-ene, 4,11,11