Major components are: acids, and free fatty acids, free fatty alcohol and carbohydrates, carotenoids, vitamins A, aromatic substances.
[Character] Ben Pinwei irregular clumps, large and small. Yellow, light yellow-brown or yellow and white, micro-transparent or opaque, smooth surface. Of lighter, wax, sand-shaped cross section, with their hands Cuonie to soften. A honey-like aroma, flavor-Gan.