Product

Cosmetic raw materials

L-carnosine

Overview

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.

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Specification:

  • Product name: L-carnosine

  • CAS No.: 305-84-0

  • EINECS No.: 206-169-9

  • MF: C9H14N4O3

  • Type: Beauty ingredients

  • Appearance: White Powder

  • Grade: Cosmetic grade

  • Brand Name: Herbasea

  • Place of Origin: Shaanxi, China

  • Specification: 99%

  • Function: Anti-aging, Cosmetic Raw Materials

  • Application: Cosmetic Raw Materials, Health-care Products

  • Shelf Life: 2 Years

  • Storage: Cool Dry Place

  • Test Method: HPLC

  • Packaging: Can, Drum, Plastic Container, Vacuum Packed

COA:

Item of Analysis

Specification

Results

Identification

Consistent with the reference substance main peak retention time

Conforms

Color

White to Off-white


Specific rotation [α]D20

+20.0°to +22.0°

+21.1°

Heavy metals

≤ 10ppm

Conforms

pH

7.5 to 8.5

8.1

Loss on drying

≤ 1.0%

0.05%

Residue on ignition

≤ 0.10%

0.04%

Lead

≤ 3ppm

Conforms

Arsenic

≤ 1ppm

Conforms

Mercury

≤ 0.1ppm

Conforms

Cadmium

≤ 1ppm

Conforms

Melting point

250.0℃ to 265.0℃

254.7℃ to 255.7℃

Hydrazine

≤ 2ppm

Conforms

Bulk density

-------

0.33g/ml

Tapped density

-------

0.54g/ml

L-Histidine

≤ 0.3%

0.08%

Assay

99.0% to 101.0%

99.6%

Total aerobes counts

≤ 1000cfu/g

30 cfu/g

Yeast and Mould

≤ 100cfu/g

40 cfu/g

E.Coli

Negative

Negative Detectable

Salmonella

Negative

Negative Detectable


Application:

  1. Carnosine is used as a new food additive.

  2. Carnosine is used in cosmetics to prevent skin aging and skin whitening.

  3. Carnosine is used in health care field to promote wound healing, prevent nerve and brain degeneration, etc.

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