Contact person: Mr. Ray Du
Position:
Address: Block 25-26, Zhongbang MOHO, No.2008 Lihu avenue, Wuxi City, Jiangsu
Country: China
Phone: 86-510-85191572 - Mobi:

L-Carnosine 99%

Price:  

L-Carnosine 99%
CAS Number:305-84-0
Molecular Formula:C9H14N4O3
Molecular Weight:226.23
Assay:99%
Standard:USP
Country of Origin:China
Shelf Life:2 Years
Product description:
1)L-Carnosine (beta-alanyl-L-histidine) is a dipeptide of the amino acids beta-alanine and histidine. It is highly concentrated in muscle and brain tissues.
2)L-Carnosine and carnitine were discovered by Russian chemist V.Gulevich.Researchers in Britain,South Korea,Russiaand other countries have shown that carnosine has a number of antioxidant properties that may be beneficial. Carnosine has been proven to
scavenge reactive oxygen species (ROS) as well as alpha-beta unsaturatedaldehydes formed from peroxidation of cell membrane fatty
acids during oxidative stress. Carnosine is also a zwitterion, a neutral molecule with a positive and negative end.
L-Carnosine Specification:

ITEMS

STANDARDS

Appearance

White powder

Color

White to almost white

Smell

Odorless

Identification

Must comply

Loss on Drying

NMT 1.0%

Heavy Metals

NMT 10ppm

Arsenic

NMT 1ppm

Lead

NMT 3ppm

Cadmium

NMT 1ppm

Mercury

NMT 0.1ppm

Residue on Ignition

NMT 0.1%

Specific Rotation

+20.0°~ +22.0°

Melting Point

250°C ~ 265°C

PH(in 2% water)

7.5~8.5

L-Histidine

NMT 1.0%

β-Alanine

NMT 0.1%

Total Aerobes Counts

NMT 1000cfu/g

Yeast & Molds

NMT 10cfu/g

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