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Physcion, Parietin, Rheochrysidin, Methoxyemodin

Short Description:

  • Synonyms: Parietin, Rheochrysidin, methoxyemodin
  • Appearance: Yellow Brown and Light Brown powder
  • Active ingredients: Physcion (Parietin)

Product Detail

Product Tags

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
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
Assay:
Physcion
≥13% by HPLC 13.12%
Physical:
Loss on Drying
Total Ash
≤5.0 %
≤5.0 %
3.11%
2.27%
Chemical:
Heavy Metals
Arsenic (As)
Lead (Pb) M
Mercury (Hg)
Cadmium (Cd)
≤10 ppm
≤2ppm
≤5ppm
≤0.1ppm
≤1ppm
Conforms
Conforms
Conforms
Conforms
Conforms
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.

Chromatogram For Reference

Chromatogram For Physcion


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