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Agricultural Raw Materials

Physcion 10%,13% (521-61-9)as Antiseptic

Physcion 10%,13% (521-61-9)as Antiseptic

Product Code: NF-001
Botanical Source: Rheum palmatum.L.
CAS No.:521-61-9
Active ingredient: Physcion
Certifications: ISO, HACCP, CQC, KOSHER Specification: 10% 13%
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Physcion 10%,13% (521-61-9)as Antiseptic Oil Introduction


Physcion is extracted from a chinese herb of Rhubarb root. 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.

Pharmacological Action

Emodin has inhibitory effects on 26 kinds of bacteria such as Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Streptococcus and Shigella;

It has a strong inhibitory effect on the growth of human cervical cancer Hela cells;

It has antibacterial effects and is used in laxatives.

Specification of Physcion 10%,13% (521-61-9)as Antiseptic



Assay by HPLC

98.0% min, 99% min.



Molecular Structure



Orange  powder

Extract Solvent

Ethanol & water

Loss on Drying


Ash content


Residual Solvent


Total Heavy Metals










Total Plate Count


Total Yeast & Mold


Main Functions

1. Physcion powder has inhibition for staphylococcus aureus, escherichia coli, pseudomonas aeruginosa, streptococcus and dysentery bacillus and other 26 kinds of bacteria;

2. 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.


Early emodin methyl ether is mainly used in the pharmaceutical industry. At present, with the research, the application of emodin methyl ether in agriculture has been gradually opened up. The natural rhubarb is used as raw material, and the active ingredients are carefully extracted to produce rhubarb. Methyl ether is a highly active plant-derived fungicide. It has been proved that 0.5% emodin methyl ether AS has good control effects on powdery mildew, downy mildew, gray mold and anthracnose. It is low-toxic to humans and animals, environmentally friendly, and resistant to drug resistance. Because it contains a large amount of humic acid and amino acids, it can also effectively promote the growth of crop shoots and sprouts. It can be used as a substitute for conventional high-toxic and high-residue pesticides. It is especially suitable for the production of green and organic vegetables. The emodin methyl ether is a protective fungicide, which induces a protective response of the crop, inhibits the spore germination of the pathogenic bacteria, the growth of hyphae, and the formation of a sip, so that the crop is protected from pathogenic bacteria and the disease prevention effect is achieved.

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