The vanillin human synthetic flavors successfully synthesized in 1874 by German Dr M · Hallman G Twyman Dr.. Usually divided into methyl vanillin and ethyl vanillin. Methyl vanillin (vanillin), the chemical name 3 - methoxy-4 - hydroxybenzaldehyde, the appearance of white or slightly yellow crystalline with a Vanilla aroma and rich milk, is the largest species in the fragrance industry, It is widely favorite creamy vanilla flavor ingredients