Organic rosemary CO2 extract makes a wonderful natural antioxidant.  When used at 1 to 2 grams in a kilo of oil (0.1-0.2%) the antioxidant properties will extend the shelf life of your oils.  Rosemary has also been found to have anti-fungal, anti-microbial and anti-bacterial properties.  

Usage Rate: 0.1-0.2% (1-2gm per kilo of oil)
 Dark green thick liquid
Botanical Name: Rosmarinus officinalis 
Part Used:  Dried aerial parts of the herb
Extraction Method: Supercritical carbon dioxide 
Storage Instructions: Store in full, tight containers in a cool dry place protected from light and oxidation.
Shelf Life: 5 years under the specified storage conditions.
Country of Origin: Morocco