Appearance：Colorless or white acicular crystal or c,odorless and sweet taste,easily soluble in water and slightly in ethanol.

Appearance:Yellow to yellow green clear liquid

Odor:Strong butter sweet creamy pungent caramel

Appearance：Colorless to yellow mobile liquid to solid (dimmer)

odor:Sweet carmal creamy green butter dairy milk fatty

Appearance：Colorless to pale yellow liquid

odor:Pungent, spicy, cinnamon like odor and taste

Appearance：Colorless to faint yellow liquid or white crystalline solid

odor:Anise-like odor

Appearance：White or slightly yellowish spiculate crystals.

odor:Characteristic odor of Vanilla bean, fresh

Appearance：White to pale yellow crystals

oder:Popcorn nutty corn chip bread crust chocolate hazelnut coffee

Appearance：Colorless transparent liquid. Intense aroma of fresh sweet fruit and milk char Slight aroma

Appearance：Colorless transparent liquid.
Slight aroma