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Carnosic Acid

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INCI Name: CARNOSIC ACID
Molecular Formula: C20H28O4
Molecular Weight: 332.43
Appearance: yellow fine powder
Purity: 6%-80%
CAS NO.: 3650-09-7
EINECS No.: 609-253-7
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Carnosic acid is a diterpene compound found in the dried leaves of oregano, rosemary and common sage.It is in the form of a yellow powder and is an effective antioxidant that protects the skin from environmental pollutants which causes oxidative stress and provides protection against UV-A radiation. Also carnosic acid has antibacterial properties, especially suitable for cracked,inflamed or acne-prone skin.


Application of carnosic acid:

1.As a preservative or antioxidant in food and non-food products (e.g. toothpaste, mouthwash, chewing gum or skin care products, etc.);

2.Antibacterial Ingredients in Teeth Grinders and Mouthwashes;

3.Pet food;

4.It has a certain therapeutic effect on diabetes, and also has the effect of strengthening the stomach.

Item
Specification
Method
Result
Physical Property
Appearance
Yellow or Brown Powder
Organoleptic
Conforms
Mesh Size/sieve analysis
100% pass 80 mesh
Sieve analysis
Conforms
Specification
>20%
HPLC
21.47%
Loss on Drying
≤5.0%
USP37<921>
4.50%
Ignition Ash
≤5.0%
USP37<561>
0.98%
Contaminants
Lead(Pb)
≤2ppm
Atomic Absorption
≤2ppm
Arsenic(As)
≤3ppm
Atomic Absorption
≤3ppm
Microbiological
Total Plate Count
≤1000cfu/g
USP30<61>
100cfu/g
Yeast & Mold
≤100cfu/g
USP30<61>
0cfu/g
E.Coli
Negative
USP30<62>
Conforms
Salmonella
Negative
USP30<62>


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