Tonka bean tincture Appearance Status: black liquid. Ingredients: Coumarin and its derivatives Odor Characteristics: sweet and mellow with the beans, paste incense, aroma more than rhyme. Application: For the preparation of the tobacco flavor, can significantly improve the gas quality. Dosage: recommendations for the deployment of flavor -0.3% 0.1% addition level, the specific amount to add according to need raw materials. Packing: 5,25,50,60 / barrel