What has a structure resembling diferulic acid and is bright yellow?
Curcumin Curcumin is a bright yellow chemical produced by some plants. It is the principal curcuminoid of turmeric ("Curcuma longa"), a member of the ginger family (Zingiberaceae). It is sold as an herbal supplement, cosmetics ingredient, food flavoring, and food coloring. As a food additive, its E number is E100.
Dimethylheptylpyran Dimethylheptylpyran (DMHP, 3-(1,2-dimethylheptyl)-Δ-THC, 1,2-dimethylheptyl-ΔTHC, A-40824, EA-2233) is a synthetic analogue of THC, which was invented in 1949 during attempts to elucidate the structure of Δ-THC, one of the active components of cannabis. DMHP is a pale yellow, viscous oil which is insoluble in water, but dissolves in alcohol or non-polar solvents.