Royal Jelly Powder (9%) Appearence: Light milk yellow white powder,with characteristic odor Loss on Drying:<5.0% Protein: 30-45.0% 10-HDA:>9.0% Total Bacterial Count:<300CFU/g Tetracycline: Negative Streptomycin: Negative Chloramphenicol:Negative E.Coli: Negative Guarantee Period: 2 years