1 scope
This standards applies to the food additives star anise oil extracted from the fruits, braches and leaves of the illicium verum hook. F. In southern china by steam distillation.

2. Technical requirements
2.1 sensory requirements
Color:olorless to light yellow
State:transparent liquids or solids
Aroma:haracteristic aroma of the anise camphor
2.2 physical and chemical indicators
Relative density20c/200.975~0.992
Refractive index201.5525~1.5600
Optical rotation20-2~+2

Uses: 1. Food flavors: it can be used for cooked meat products, baked goods, candy, alcohol, carbonated beverages and tobacco. The anise ether with content of 85% - 95% in the oil can be synthesized by oxidation to anisaldehyde, anise etc., taste in spicy, which is a fine essence for preparation of cosmetics, food and drinking, as well as the main raw material for compound female hormone hexanestrol in medical industry.
2. Medicine:
1) antibacterial function: the experiment in vitro shows that alcohol extract has bacteriostatic action for gram-positive bacteria such as staphylococcus aureus, pneumococcus, corynebacterium diphtheria, which is similar with benzylpenicillin potassium in 20unit/ml, in addition, its bacteriostatic action for gram-negative bacteria including bacillus subtilis, escherichia coli, vibrio cholerae and salmonella, paratyphoid and dysentery bacillus, similar with streptomycin sulphate in 50 unit/ml. Its bacteriostatic action for fungus, compared with benzoic acid and salicylic acid, is stronger than that of benzoic acid and salicylic acid with concentration of 1% .
2) antihistamine effect: alcohol extract with 1:50 has an antihistamine effect on isolated guinea pig trachea, presenting quick, strong and durable effect.