Rhubarb is a group of plants that belong to the genus Rheum. They are herbaceous perennial plants growing from short, thick rhizomes. They have large leaves that are somewhat triangular-shaped with long fleshy petioles.They have small flowers grouped in large compound leafy greenish-white to rose- red inflorescence.The active ingredient of rhubarb is chrysophanol / chrysophanic acid and physcion.
Identification |
TLC |
Assay by HPLC |
98.0% min, 99% min. |
CAS |
521-61-9 |
Molecular Structure |
|
Appearance |
Orange powder |
Extract Solvent |
Ethanol & water |
Loss on Drying |
≦2.0% |
Ash content |
≦0.5% |
Residual Solvent |
Ethanol<3000ppm |
Total Heavy Metals |
≤10ppm |
As |
≤1ppm |
Pb |
≤1ppm |
Hg |
≤0.1ppm |
Cd |
≤1ppm |
Total Plate Count |
≤1000cfu/g |
Total Yeast & Mold |
≤100cfu/g |
1.In pharmaceutical, physcion powder with the function of antibacterial and anti-inflammatory. Physcion powder has inhibition for staphylococcus aureus, escherichia coli, pseudomonas aeruginosa, streptococcus and dysentery bacillus and other 26 kinds of bacteria;
2.In agriculture, physcion powder also named rheum rhubarb CAS No.521-61-9 is a protective fungicide inducing defend reacts to the crops, inhibiting of spore germination and mycelial growth and formation of haustoria, making crops from pathogens, and achieve the effect of disease prevention.
Carton: 1kg, 2kg, 5kg /Aluminum Bag inside, or as customer's requirement;
Drum: 10kg,15kg,25kg,Food Grade PEbag inside.
By Express | 1kg-50kg |
By Air | 50kg-500kg |
By Sea | 500kg or more |
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