1 scope This standard applies to essential oils extracted from fresh leaves and branches of eucalyptus globulus labill. Or other eucalyptus spp by steam distillation, and then subjected to distillation to produce the food additives eucalyptus oil (blue eucalyptus oil) with eucalyptus content being not less than 80%. 2. Technical requirements 2.1, sensory requirements Colorcolorless to yellowish Stateliquid Aromaaroma with eucalyptus characteristic, slightly with camphor-like breath and spicy cool taste Relative density(2/2)0.909~0.919 Refractive index(2)1.4580~1.4650 Optical rotation(2)0~+5 Uses: 1, according to gb2760-1996, it can be used as food flavor according to production needs. 2, fema stipulations: the highest reference amount in food for soft drinks 1.7mg / kg; cold drink 0.5 ~ 50mg / kg; candy 130mg / kg; alcohol, 1.0mg / kg; baked food 76mg / kg. 3, it can also be used as raw materials for flavor synthesis by using the fine incense 1, 8 - eucalyptus. 4, medicine: eucalyptus oil has a bactericidal effect, can be used in a large number of products in medicine, and can be used as flavoring agent for cough syrup, chewing gum, toothpaste, gargle, and air freshener. 5, it has a bactericidal effect, can be used in a large number of products in medicine, and can be used as flavoring agent for cough syrup, chewing gum, toothpaste, gargle, and air freshener.