Resveratol

Additional elucidation:
The specifications are as follows:
Product name: giant knotweed extract
Botanical name: polygonum cuspidatum sieb
Part used: rhizome
Specification: 25%-98%
Particle size: 80 meshes
Loss on drying: ≤5.0%
Heavy metal: ≤5ppm
Lead: ≤1ppm; arsenic: ≤1ppm
Cadmium: ≤0.1ppm
Mercury: ≤0.1ppm
Total plate count: <1,000cu. ft./g
Yeast and mold: <100cu. ft./g
E. coli: negative
Salmonella: negative
Staphylococcus: negative

Packing:
25kg/drum
Resveratol