... color, for example, the rape pollen is light yellow, thebuckwheat pollen is brown, the tea pollen is orange ... cellwall-broken, biodegradation, remove antigen, water extract, concentrate, spraydrying. Appearance: light brown &yellow flowing powder, the color of the watersolution ... brown &yellow, Sieve size: through 60 mesh, it can be absorbed easilyand more effective. Bee Pollen Extract Powder can ...