Also known as Geranium Pelargonium, mainly in South Africa, Egypt, Morocco, Algeria, India, reunion, Israel, Spain, Russia, Hungary, the former Yugoslavia, Yunnan, Sichuan, China Jiangsu, Zhejiang, Fujian.

· Physical and chemical indicators: the appearance of green yellow to amber clear liquid. The specific gravity is 0.886 - 0.898, the refractive index is 1.462 - 1.472, the optical rotation degree is -14 - -7 degree (25 - C), the acid value is 1.5 - 9.5, and the ester value is 190-230 after acetylation. · Main ingredients: ingredients, citronellol, geraniol, linalool, menthone and isomenthone, geranyl formate, formic acid ester lemongrass, geranial, neral, eugenol, isoamyl alcohol. · Aroma: Rose and geraniol like aroma. Honey, micro clear, stable and lasting aroma, the new steaming Geranium oil sometimes with a taste for a small amount of sulfide aroma, it can disappear after a short period of time storage.

It is widely used in floral, and can be used as apple, strawberry and other flavors, cinnamon, ginger and other flavors, also can be made into ester flavor.The medicine is used for antibacterial and expelling worms; the clinical treatment of chronic bronchitis has a better effect, not only has the function of improving the pulmonary ventilation function and reducing the airway resistance, but also has the advantages of improving the immune function of the organism, and has the advantages of quick onset and small side effect.