Protect Liver Product Engelhardtia Roxburghiana 80% 90% Astilbin

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PRODUCTS DETAILS

Basic Info.

Model NO.
CAS No.: 29838-67-3
Other Name
Isoastilbin, Neoastilbin, Neoisoastilbin, Taxifoli
Uses
Anticarsia Gemmatalis
Product Name
Astilbin
Plant Part Used
Leaves, 100% Natural
Appearance
Fine Light Yellow Powder
Odor & Taste
Characteristic
Bulk Density
40-55g/100ml
Solubility
Soluble in Boiling Water
Loss on Drying
Nmt 5.0%
Ash Content
Nmt 5.0%
Shelf Life
2 Years
Functions
Antioxidant
Active Ingredient
Astilbin
Heavy Metals
Nmt 10ppm
Sample
Available
Transport Package
25kg/Drum
Specification
Astilbin 80% 90% 98%
Trademark
Kingherbs
Origin
China
HS Code
2938909090
Production Capacity
1000kgs

Product Description


Astilbin
IUPAC name: (2R, 3R)-2-(3, 4-dihydroxyphenyl)-5, 7-dihydroxy-3-[(2S, 3R, 4R, 5R, 6S)-3, 4, 5-trihydroxy-6-methyloxan-2-yl]oxy-2, 3-dihydrochromen-4-one
Other name: Isoastilbin, Neoastilbin, Neoisoastilbin, Taxifolin 3-O-rhamnoside, Taxifolin 3-rhamnoside
Specification: Astilbin 80%, 90% by HPLC

Brief Introduction
Astilbin is a flavanonol, a type of flavonoid. Astilbin is the (2R-trans)-isomer; Neoisoastilbin is the (2S-cis)-isomer and isoastilbin is the (2R-cis)-isomer.

Astilbin can be found in St John's wort (Hypericum perforatum, Clusiaceae, subfamily Hypericoideae, formerly often considered a full family Hypericaceae), in Dimorphandra mollis(Fava d'anta, Fabaceae), in the leaves of Harungana madagascariensis (Hypericaceae), in the rhizome of Astilbe thunbergii, in the root of Astilbe odontophylla(Saxifragaceae), in the rhizone of Smilax glabra(Chinaroot, Smilacaceae) and in the bark of Hymenaea martiana. It can be isolated from Kohki tea processed from Engelhardtia chrysolepis (huang-qui).

Usage
Astilbin can act as an insecticide against Anticarsia gemmatalis and Spodoptera frugiperda. It shows in vitro antibacterial activity and activity on burn wound healing. Astilbin is used in traditional Chinese medicine.
 
Product Name Astilbin Batch Number ERE-161118
Botanical Source Engelhardtia roxburghiana Wall. Batch Quantity 400kgs 
Plant Part Used Leaves, 100% Natural Country of Origin China
Type of Products Standard Extract Active Ingredient Markers Astilbin
               
Analysis Items Specifications Results  Methods used
Identification Positive Conforms TLC
Appearance Fine Light Yellow Powder Conforms Visual test
Odor & Taste Characteristic Conforms Organoleptic test
Bulk Density 40-55g/100ml Conforms ASTM D1895B
Particle Size 95% through 80 Mesh Conforms AOAC 973.03
Solubility Soluble in Boiling water Conforms Visual
               
Assay NLT 80% Astilbin 80.16% HPLC
Loss on Drying NMT 5.0% 3.24% 5g /105ºC /2hrs
Ash Content NMT 5.0% 2.15% 2g /525ºC /3hrs
Extract Solvents Ethanol & Water Conforms \
Solvent Residues NMT 0.05% Conforms GC
               
Heavy Metals NMT 10ppm Conforms Atomic Absorption
Arsenic (As) NMT 2ppm Conforms Atomic Absorption
Lead (Pb) NMT 2ppm Conforms Atomic Absorption
Cadmium (Cd) NMT 0.5ppm Conforms Atomic Absorption
Mercury(Hg) NMT 0.3ppm Conforms Atomic Absorption
               
666 NMT 0.1ppm Conforms USP-GC
DDT NMT 0.5ppm Conforms USP-GC
Acephate NMT 0.2ppm Conforms USP-GC
Methamidophos NMT 0.2ppm Conforms USP-GC
Parathion-ethyl NMT 0.2ppm Conforms USP-GC
PCNB NMT 0.1ppm Conforms USP-GC
Aflatoxins NMT 0.2ppb Absent USP-HPLC
               
Sterilization Method High temperature & pressure for a short time of 5~10 seconds
               
Microbiological Data Total Plate Count <10,000cfu/g < 1,000 cfu/g GB 4789.2
Total Yeast & Mold <1000cfu/g < 100 cfu/g  GB 4789.15
E. Coli to be absent Absent GB 4789.3
Staphylococcus to be absent Absent GB 4789.10
Salmonella to be absent Absent GB 4789.4
               
Packing and Storage Packed in fiber drum, LDPE bag inside. Net weight: 25kg/drum. 
Keep away from moisture, strong heat and sunlight.
Shelf Life 2 years if sealed and stored in the recommended conditions.


Protect Liver Product Engelhardtia Roxburghiana 80% 90% Astilbin
Protect Liver Product Engelhardtia Roxburghiana 80% 90% Astilbin
Protect Liver Product Engelhardtia Roxburghiana 80% 90% Astilbin
Protect Liver Product Engelhardtia Roxburghiana 80% 90% Astilbin

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