Physcion, Parietin, Rheochrysidin, Methoxyemodin
Specification
10%, 13%, 20%, 40%, 98% Physcion by HPLC
Introduction
Physcion (CAS NO. 521-61-9, Chemical formula: C16H12O5) is synthetized from the emodin extracted from the root of Polygonum cuspidatum Sieb.et Zucc and the The root and rhizome of Rheum palmatum L.
Physcion (CAS NO. 521-61-9, Chemical formula: C16H12O5) is also known as Parietin, Physcion (CAS NO. 521-61-9, Chemical formula: C16H12O5) has also shown anti-fungal activity against barley powdery mildew and cucumber powdery mildew, more efficiently in the latter case than treatments with fenarimol and polyoxin B.
Application
Physcion (CAS NO. 521-61-9, Chemical formula: C16H12O5) – A high activity fungicide of botanical resource. The Physcion has a very strong inhibition on about 26kinds of the bacteria, such as staphylococcus aureus,Escherichia Coli,Pseudomonas aeruginosa,streptococcus and shigella dysenteriae etc.
In agriculture, the Physcion (CAS NO. 521-61-9, Chemical formula: C16H12O5) is used as fungicide to control Powdery mildew, Downy Mildew, anthracnose and gray mold etc. Disease of Fungi.
Certificate Of Analysis For Reference
Product Name: | Polygonum cuspidatum Extract |
Botanical Name: | Polygonum cuspidatum Sieb.e Zucc |
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Batch Number: | 20210118 | Used Part: | Root | |||||
Batch Quantity: | 500KG | Analysis Date: | Jan. 18, 2021 | |||||
Manufacture Date: | Jan. 18, 2021 | Certificate Date: | Jan. 23, 2021 |
ITEM | SPECIFICATION | RESULTS | ||||
Description: Appearance Odor&Taste Particle size Extract Solvent |
Yellow Brown fine Powder Characteristics 95% pass 80 mesh sieve Methanol & Water |
Conforms Conforms Conforms Conforms |
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Assay: Physcion |
≥13% by HPLC | 13.12% | ||||
Physical: Loss on Drying Total Ash |
≤5.0 % ≤5.0 % |
3.11% 2.27% |
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Chemical: Heavy Metals Arsenic (As) Lead (Pb) M Mercury (Hg) Cadmium (Cd) |
≤10 ppm ≤2ppm ≤5ppm ≤0.1ppm ≤1ppm |
Conforms Conforms Conforms Conforms Conforms |
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Microbial: Total Plate Count Yeast & Mold E. Coli Salmonella spp Staphylococcus aureus Pseudomonas aeruginosa |
≤1000cfu/g ≤100cfu/g Absent Absent Absent Absent |
Conforms Conforms Conforms Conforms Conforms Conforms |
Conclusion: Conform to specification.
Storage: Store in cool & dry place. Keep away from strong light and heat.
Shelf life: 24 months when properly stored.