microbiological analysia
Residue of pesticide : negative
Total plate coung : ≤ 1000 cfu/g
Yeast & mold : ≤ 100 cfu/g
E.coil : negative
Salmonella : negative

Propolis properties may include
1. reinfore the structural stability and provide thermal insulation to the hive.
2. reduce vibration
3. make the hive more defensible by narrowing the existing entrance to a single choke point.
4. make the hive more defensible by sealing holes, a hive will have a propolis cache for emergency patch jobs.
5. prevent diseases and parasites from entering the hive, and to inhibit fungal and bacterial growth.