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Nanjing Zelang Medical Technology Co., Ltd.

Carnosic Acid, Cas No: 3650-09-7, Rosemary Extract manufacturer / supplier in China, offering Carnosic Acid, Manufacturer of Ginkgo Biloba Extract 24: 6, Manufacturerof Kudzu Root Extract Powder and so on.

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Carnosic Acid

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Basic Info
  • Model NO.: CAS No: 3650-09-7
  • Variety: Rosmarinus Officinalis L Extract
  • Melting Point: 171°c-175°c
  • Certification: ISO9001:2000
  • Test Method and Purity: HPLC 5%~98%
  • Specification: ISO9001: 2000, BV, SGS
  • Raw Material: Plants
  • Extraction Type: Solvent Extraction
  • Appearance: Tawny or Yellow Powder
  • Supply Type: OEM/ODM
  • Trademark: CPE
  • Origin: Place of Origin Jiangsu, China (Mainland)
Product Description
Carnosic acid
About product:
1)Basic information:
[Specification]: Carnosic acid 5-98%
[Color and Form]: Tawny or Yellow Powder
[Active ingredient]: Carnosic acid (≥ 15%, HPLC)
[CAS No. ]: 3650-09-7
[Molecular Formula]: C20H28O4
[Molecular Weight]: 332.43
[Micro-biological Contaminants]: The level of Micro-biological Contaminants can satisfy the relevant state standards
[Heavy metals]: <10mg/kg(Pb level, As: <2mg/kg)
[Product Features]: No solvent remained, Inoxidizability higher than BHA, BHT, VE

2)Main Function:
Carnosic acid is a natural benzenediol abietane diterpene found in rosemary (Rosmarinus officinalis) and common sage (Salvia officinalis). Dried leaves of rosemary or sage contain 1.5 to 2.5% carnosic acid.
Carnosic acid has medicinal properties, is a potent antioxidant and protects skin cells against UV-A radiation (photoprotection). Studies in animals have also found a protection against carcinogens. It used to be anti-oxidation, delay senescence.

Carnosic acid is used as a preservative or antioxidant in food and nonfood products (e. G. Toothpaste, mouthwash and chewing gum -in which it has an antimicrobial effect on the microbes responsible for bad breath- or skin care products. It also has good activity in reducing fat and weight.
Tightly sealed in a clean, cool, dry area, keep away from strong, direct light.

1 It will perform better if it is used together with vitamin E or organic acids (such as citric acid, vitamin C, etc. ).
2 At room temperature should not touch the bronze and iron for a long time, and at high temperature (80° C above) should not touch bronze and iron. 3 Should not use the product in alkaline conditions; 4 Make sure to mix up when use it.

Shelf life:
Two years under well Storage situation and stored away from direct sun light

About us
About Zelang Medical
We Zelang rely on China pharmaceutical university and nanjing university of medicine, perennial plant employed as a field of digital technology, professor, with a graduate student as the main body in the talents team. We have advanced equipment and analysis the extraction and separation of the testing instrument, including multi-function extractor, microwave extraction device, membrane separation device, the highly effective liquid phase color spectrometer, imported high half preparation color spectrometer, gas phase color spectrometer, infrared spectrometer, UV-vis spectrophotometer etc.

We have two natural extract laboratorys, one analysis and test center, a pilot production base, two factories, can finish from small to large various stages of development, and we havecan make the scientific research strength of standard control product quality, and enhance the competitiveness of their products. We are one of China"s most outstanding and plant pharmaceutical industry the most good reputation of the enterprises!

We insist on the highest standards in every item in our production line. The strict raw material selected, standard production facilities and professional R&D people is the best guarantee of our qualified goods. Products are widely used in medicine, health products and cosmetics, etc. According to customer needs and can provide various plant extract ratio of monomers extraction and separation. We provide products meet or exceed the quality standard.

If you are searching for proprietary ingredients or you are serious about position with your products. Please feel free to contact me
TEL: _86-025-85723982
Mobile: +86-13914708528
Fax: (+86)025-85328433
Add: No. 108, Ganjiabian, QiXia District, Nanjing, Jiangsu, China
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Mr. Daniel Yang
Sales Manager
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