Dahurian Rhododendron Leaf Extract

[ Latin Name ] Folium Rhododendri Daurici/Rhododendron dauricum L. 
[ Active Ingredient ] hyperoside,isohyperoside
[ Detection method ] HPLC          
[ Appearance ]  Fine brown powder
[ Main Function ]
1.Regulating sebum production;
2.Increasing skin elasticity;
3.Preventing and treating acute and chronic bronchitis
4. Preventing acute and chronic bronchitis.
COA of Dahurian Rhododendron Leaf Extract
Assay: 20% flavonoid
Ratio of Extraction:  10:1
Odor and taste: Bitter
Mesh size/sieve analysis: 80 mesh 
Solubility:  Practically Soluble in water and ethanol 
Residual solvent: Ethanol: ≤ 0.5 %
Loss on drying: ≤3%
Sulphated ash: ≤ 0.2 %
Heavy Metals: ≤ 10.0 ppm
Pesticides: < 1.3 ppm
About Dahurian Rhododendron Leaf Extract
Dahurian Rhododendron Leaf Extract is the dried leaf of Rhododendron dauricum L. (Fam. Ericaceae).