We use cookies to help provide you with the best possible online experience. Please read our Privacy Policy for information about which cookies we use and what information we collect on our site. By continuing to use this site, you agree that we may store and access cookies on your device.
One More Step to Finalize Your Registration
An activation link has been sent to your email address.
Please check the email and activate your account now. It might take few minutes to get the email.
If you did not find it, please check your spam box.
Having problem receiving the email? Send again
Still cannot receive? Contact us
Email :PharmaSources@imsinoexpo.com
Whatsapp :+86-13621645194
Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa
Sample Provided: no
Product Name:
Aspartame
Synonyms:
N-a-aspartyl-L-phenyla
Specification:
98%
Appearance:
White Crystal powder
CAS No.:
22839-47-0
Package:
For minimal order: 1KG/Aluminium foil bag, 5 bags in a carton . For large quantity: 25KG/Fiber Drum in net weight; 28KG/Fiber Drum in gross weight (Can be customized)
Products Description:
Introduction:
As an artificial sweetener, Aspartame has a sweet flavor, nearly without calory and carbohydrate. It is 200 times as sweet as saccharose and can be completely absorbed and metabolized by the body without any harm. It is safe and reliable, with pure taste. At present, more than 100 countries have approved the use of Aspartame. It has been widely used in all types of drinks, candy, food, health care products and so on.
Specification:
Test Items
Standard
Appearance:
White granular or powder
Assay (on dry basis):
98.00-102.00%
Taste:
Pure
Specific rotation:
+14.50°~+16.50°
Transmittance:
95.0% min
Loss on drying:
4.50% max
Residue on ignition:
0.20% max
L-a-Aspartyl-L-Phenylalanine:
0.25% max
PH Value:
4.5-6.0
L-Phenylalanine:
0.50% max
Heavy metals (as Pb):
10ppm max
Arsenic (AS):
3ppm max
5-benzyl-3,6-dioxo-2piperazineacetic acid:
1.5% max
Other related substances:
2.0% max
Aspartame Chemistry:
Aspartame is a methyl ester of the dipeptide of the natural amino acids L-aspartic acid and L-phenylalanine. Under strongly acidic or alkaline conditions, aspartame may generate methanol by hydrolysis. Under more severe conditions, the peptide bonds are also hydrolyzed, resulting in the free amino acids.
As aspartame manufartrurer, there are two approaches to synthesis which are used commercially. In the chemical synthesis, the two carboxyl groups of aspartic acid are joined into an anhydride and the amino group is protected by a compound that will prevent further reactions of that group. Phenylalanine is methylated and combined with the N-protected aspartic anhydride, then the blocking group is removed from aspartic acid by acid hydrolysis. The drawback of this technique is that a byproduct, the bitter tasting β-form, is produced when the wrong carboxyl group from aspartic acid links to phenylalanine.