Natural Kaempferol 98% CAS No: 520-18-3

• Assay Method: HPLC
• CAS No.: 520-18-3
• Molecular Formula: C15h10o6
• Molecular Weight: 286.23
• Appearance: Purple -Red Fine Powder
• Odor: Characteristic
• Model NO.: GRJ20150313
• Delivery: in Time
• Transport Package: 25kg/Drum or at Your Requirements
• Specification: 90%, 95%, 98%, ISO
• Trademark: Gorunjie
• Origin: Jiangsu
• Production Capacity: 25 Ton Per Month

Product Description

About product


Name:
Kaempferol
Synonym:
C. I. 75640; Kaempferol; 3, 5, 7, 4-Tetrahydroxyflavone; 3, 5, 7-trihydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-one; 2-(2, 4-dihydroxyphenyl)-5, 7-dihydroxy-4H-chromen-4-one
CAS No:
520-18-3
Appearance:
Light yellow needle crystal
Molecular Formula:
C15H10O6
Molecular Weight:
286.23
Herb Sourse:
Fruit of kaempferia galanga L.
Content:
98%
Assay Method:
HPLC
Specification:
90%, 95%, 98% by HPLC
Melting Point:
276~278° C


...

Certificate of Analysis

Item
Specification
Description:
Appearance
Odor
Particle size
Bulk Density
Extract Solvents

Purple -red fine powder
Characteristic
100% pass through 80 mesh sieve
45.0g/100mL~55.0 g/100mL
Water
Identification
Color Reaction

Positive Reaction
Tests:
Loss on drying(5h at 105° C)
Ash(3h at 600° C)
Heavy metals(as Pb)
Arsenic(as As2O3)
Residual Solvents

<5.0%
<5.0%
<10ppm
<1ppm
Eur. Pharm. 2000
Assay: Kaempferol
98%

Microbial:
Total bacterial count
Yeast & Mould
Escherichia coli presence
Salmonella
Staphylococcus

Max. 1000cfu/g
Max. 100cfu /g
Negative
Negative
Negative

Functions and Applications


1. Kaempferol was found to be active in promoting Opossum Kidney cell growth. Kaempferol stimulates kidney cells proliferation and increases secretion of bone growth factor. Kaempferol may serve to stimulate kidney repair and up-regulate bone formation and may be useful in treating chronic kidney disease and osteoporosis.


2. Kaempferol can inhibit the apoptosis induced by H202 in neonatal rat cardionyocytes. The protective effects could be related to their antiocidant activity and its ability to regulate the expression of Bcl-2, Bax, Caspase-3 protein.


3. Kaempferol is a blocker of voltagegated potassium channels in pyramidal neurons of rat hippocampus. The electrophysiological effects of kaempferol may be one mechanism of its protective effects on rat hippocampal neurons in acutely transient hypoxia.


4. Kaempferol owe to the strong antioxidant properties, can scavenge superfluous superoxide free radicals in human body, preventing DNA and cells from oxidative damage. It show pharmacological effects in anti-tumour, anti-inflammation and anti-senility, etc.


5. Kaempferol has the effect of anti-epilepsy, antispasmodic, anthelone, antiulcer, choleretic, diuretic activity and relieving cough.