1 scope This standard applies to the essential oil extracted from aerial parts of asian species of mint (menthaarvensis l.Var.Glabrata holmes) flowering or not flowering by using steam distillation; the essential oil is then frozen with part of the menthol being removed to produce asian food additive. 2. Technical requirements 2.1 sensory requirements Color:almost colorless to amber yellow State: transparent liquid Aroma:menthol-like mint aromas 2.2 physical and chemical indicators Relative density : 0.890~0.908 Refractive index :1.457~1.465 Optical rotation :-24~-15 Uses: 1, it can be used for edible spices, toothpaste and oral hygiene, for flavor and food flavor, for, cosmetics, cream, soap, for the anti-freckle whitening skin, but also used as stomach stimulants. 2, as herbal aromatic, remedium corrigens and carminative, it can relieve the discomfort and pain through cool feeling generated on skin and mucous membrane, and is effective in discharging liver and regulating qi and cholagogue, which is mainly used to chronic calculous cholecystitis, chronic cholecystitis, gall stone acumulated in liver and gall and muggy stomach hysteresis.