Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
Tel: 86--1829 2989 553
Mobile:
Tel: 86--1829 2989 553
Fax:
URL: http://www.db-biotech.com
Province/state: shaanxi
City: xi'an
Street: No.99 Road, Xi'an, China
MaxCard:
CAS NO.51446-62-9
50%(1-10)Kilogram
Q1: Are you a manufacturer
Answer: Yes, we are factory founded on 2002.
Q2: How to contact with us
Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.
Q3:Which kind of payment terms do you accept
For small order,you can pay by T/T, or Paypal,nomal order by T/T to our company account
Q4:Can you give me a discount price
Surely,It depend on your qty
Q5:How can i get a sample
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
Q6: How to confirm the Product Quality before placing orders
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q7:How do you treat quality complaint
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Product introduction
Phosphatidylserine powder (PS) is from the phospholipids family, which is the only one that could control the functioning of key membrane proteins. Usually it refers to a series of compounds of PS, in that the lipid-acetyl residues differs greatly in variety of product sources. Phosphatidylserine exists in all biomembranes of animals, higher plants and microbes as an important component of cellular phospholipids, for example, it makes 10-20% of total phospholipids in brains of mammals, and plays essential roles in many cellular metabolic process.
Source: Any of various leguminosae seeds of soybean, having compound leaves, three leaflets, purple or white flowers and two or four seeds in the legume. It is an annual herb which is originally native to southwest Asia and now it is widely planted in temperate zone. The fruit is harvested after it is ripe.
Active Ingredient: phosphatidylserine
Specification: phosphatidylserine ≥20%,≥50%,≥70%, etc
Items |
Standards |
Results |
Physical Analysis |
||
Description |
Light Yellow Powder | Complies |
Assay |
20%(HPLC) | 20.22% |
Mesh Size |
100 % pass 80 mesh | Complies |
Ash |
≤ 5.0% | 2.85% |
Loss on Drying |
≤ 5.0% | 2.65% |
Chemical Analysis |
||
Heavy Metal |
≤ 10.0 mg/kg |
Complies |
Pb |
≤ 2.0 mg/kg |
Complies |
As |
≤ 1.0 mg/kg | Complies |
Hg |
≤ 0.1mg/kg | Complies |
Microbiological Analysis |
||
Residue of Pesticide |
Negative | Negative |
Total Plate Count |
≤ 1000cfu/g | Complies |
Yeast&Mold |
≤ 100cfu/g | Complies |
E.coil |
Negative |
Negative |
Salmonella |
Negative |
Negative |
1. Phosphatidylserinehas Improve brain function,attention and improve memory effect.
2. Phosphatidylserinehas can release psychological tensions, promote the recovery of brain
fatigue.
3. Phosphatidylserinehas can balance emotions.
4. Phosphatidylserinehas can help repair brain damage.
Name: |
Phosphatidylserine |
Origin: |
P. R. China |
||
Grade: |
Food Grade |
Type of extraction: |
Ethanol |
Item |
Specification |
Method |
|||
Basic Product Information |
|||||
Product name |
Phosphatidylserine |
HPLC |
|||
Country of Origin |
China |
/ |
|||
Organoleptic Data |
|||||
Appearance |
Light yellow powder |
GB/T 5492-2008 |
|||
Odor& Taste |
Characteristic |
GB/T 5492-2008 |
|||
Process Data |
|||||
Solvent(s) Used |
Water and ethyl alcohol |
/ |
|||
Phosphatidylserine |
20% |
HPLC |
|||
Physical Characteristics |
|||||
Particle Size (80 mesh) |
98.0%pass 80mesh |
GB/T 5507-2008 |
|||
Moisture |
<1.0% |
GB/T 14769-1993 |
|||
Ash Content |
<1.0% |
AOAC 942.05, 18th |
|||
Solvent Residue |
Eur. Pharm |
NLS-QCS-1007 |
|||
Heavy Metals |
|||||
Total Heavy Metals |
<10 ppm |
USP <231>, method II |
|||
Arsenic |
<1.0 ppm |
AOAC 986.15, 18th |
|||
Lead |
<1.0 ppm |
AOAC 986.15, 18th |
|||
Mercury |
<0.5 ppm |
AOAC 971.21, 18th |
|||
Pesticide Residue |
|||||
666 |
<0.2ppm |
GB/T5009.19-1996 |
|||
DDT |
<0.2ppm |
GB/T5009.19-1996 |
|||
Microbiology |
|||||
Total Plate Count |
<1,000cfu/g |
AOAC 990.12, 18th |
|||
Total Yeast & Mold |
<100cfu/g |
(BAM) Chapter 18, 8th Ed. |
|||
E. Coli |
Negative |
AOAC 997.11, 18th |
|||
Salmonella |
Negative |
(BAM) Chapter 5, 8th Ed. |