Pueraria, the other popular name is Kudzu.It is a fast-growing vine native to the subtropical regions of China and Japan. The stems that can grow to 20 m (60 ft) in length with extensive roots, the leaves contain 3 broad oval leaflets with purple flowers and curling tendril spikes.
Kudzu’s root, flower, and leaf are used to make medicine. It has been used in Chinese medicine since at least 200 BC. As early as 600 AD, it was used to treat alcoholism.
Introduction Of Pueraria/Kudzu Extract:
Pueraria/Kudzu Extract is typically derived from the root . As an herbal supplement, the extract has long been prized for its reputation of having Medicinal value, clinical application,and Health diet. It is a unique source of the isoflavones, puerarin,also contains a number of flavonoids ingredients, including daidzein,daidzin,Genistein, puerarin-7-xyloside and so on.
| Item |
Specification |
Result |
Test Method |
| Active Ingredient |
|
|
|
| isoflavones |
40% |
40.1% |
HPLC |
| Physical Control |
|
|
|
| Identification |
Positive |
Conforms |
TLC |
| Appearance |
yellow brown fine powder |
Complies |
Visual |
| Odor |
Characteristic |
Complies |
Organoleptic |
| Taste |
Characteristic |
Conforms |
Organoleptic |
| Sieve Analysis |
100% pass 80 mesh |
Complies |
80 Mesh Screen |
| Loss on Drying |
5% Max |
3.37% |
5g/105C /5hrs |
| Solubility Solubility |
in water |
Conforms |
Visual |
| Ash |
3% Max |
2.84% |
2g/525C/5hrs |
| Chemical Control |
|
|
|
| Sulphate |
0.5% Max |
Complies |
2g/525C/5hrs |
| Insolubles In Ethanol |
10ppm Max |
5.3ppm |
|
| Ethanol Resides |
0.2% Max |
Complies |
|
| Arsenic (As) |
NMT 2ppm |
Conforms |
Atomic Absorption |
| Cadmium(Cd) |
NMT 1ppm |
Conforms |
Atomic Absorption |
| Lead (Pb) |
NMT 2ppm |
Conforms |
Atomic Absorption |
| Chlorate (Cl) |
NMT 1ppm |
Conforms |
Atomic Absorption |
| Phosphate Organics |
NMT 1ppm |
Conforms |
Gas Chromatography |
| Heavy Metals |
20ppm Max |
Complies |
Atomic Absorption |
| Pesticides Residues |
NMT 1ppm |
Conforms |
Gas Chromatography |
| Microbiological Control |
|
|
|
| Total Plate Count |
5000cfu/g Max |
50cfu/g |
|
| P.aeruginosa |
Absent |
OK |
|
| S.aureus |
Absent |
OK |
|
| Salmonella |
Absent |
OK |
|
| yeast & Mold |
50cfu/g Max |
10cfu/g |
|
| E.Coli |
Negative |
Negative |
|
| Staphylococcus |
Negative |
Conforms |
|
| Aflatoxins |
NTM 0.2ppb |
Absent |
HPLC |
| Salmonella |
Negative |
Negative |
|
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