Zanthoxylum Extract is a kind of natural flavoring additives extracted from Zanthoxylum bungeanum Maxim. ZANTHOXYLUM ESSENTIAL OIL 1.Product description Clear yellow liquid,It can dissolve in oil. 2. Sensory properties Color Clear yellow Aroma With specific flavor of zanthoxylum 3.Physical and chemical properties Specific Gravity(20°C) 0.9200 0.9400 Refractive Index(20°C) 1.4610 1.5000 Arsenic(ppm) 3 max Lead(ppm) 2 max4.Recommended storage and handling Should be stored in a cool,dry place and direct exposure to sunlight should be avoided. 5.Shelf life 12 months