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Quick Details

  • Type: Herbal Extract
  • Variety: Rosemary leaf
  • Form: Oil
  • Part: Leaf
  • Extraction Type: Solvent Extraction
  • Packaging: Bottle, Drum, Plastic Container, as customers required
  • Place of Origin: Hunan, China (Mainland)
  • Grade: 100% Natural
  • Brand Name: Huamao
  • Model Number: Rosmarinic acid 2.5%-98%
  • OEM: Yes
  • Business: Manufacture
  • Sample: Free
  • Guarantee: 2 years
  • Testing method: HPLC
  • Function: Antioxidant,weight loss
  • CAS No.: 20283-92-5
  • raw material: rosmarius officinalis leaf
  • sales region: hot sale in America, Europe, Korea, Australia, Asia

Packaging & Delivery

Packaging Details 25kgs/drum, inner by double plastic bag. ID 40cm x H50cm
Delivery Time Within 3-5 working days after confirming the order

Rosmarinus officinalis leaf extracts containing borneol bornyl acetate


Product Description

What is Rosmarinic acid?

Rosmarinic acid is considered to be a natural, efficient and stable (high temperature durable), security, non-toxic and side-effects, water-soluble antioxidants and a green food additive.

The medical research indicates that, it can eliminate the free radicals that over-produced by the body and annihilate the singlet oxygen to protect the structure of the cell membrane,which can slow down the aging process.

In addition, it can stimulate and accelerate the metabolism of the fat by anti-oxidant activity. Not only can it lower the blood pressure, but it can also promote the lipid compounds to emit from the manure so as to lose weight.




Specifications of Rosmarinic acid:

Source: Rosemary leaf

Country of origin: China

CAS NO.:20283-92-5

Molecular formula: C18H16O8

Molecular weight: 360.31

Appearance: Yellow powder

Specification: 2.5%-98%

Testing method: HPLC




Specification Sheet of Rosmarinic acid 41%:




Active Ingredient (HPLC)

Rosmarinic acid 41%

Plant Part Used



Brown yellow Powder





Extract Solvents

Ethanol & Water

Drying Method

Spray drying

Particle Size

100% through 80 mesh



Loss on Drying




Heavy Metals




Solvent Residue


Total Plate Count


Yeasts and Molds












Function and application of Rosmarinic acid:

1. Anti-aging effect.

2. Strong weight-losing effect.

3. Anti-cancer effect and can be used in the treatment of cardiovascular diseases.

4. A natural antioxidant, which is widely used in food, functional foods, spices and condiments and daily chemical industries.




Packaging & Shipping

Packing &Storage:

Package:25kg/drum (25kg net weight, 28kg gross weight; Packed in a cardboard-drum with two plastic-bags inside)

Storage:Stored in a cool and dry well-closed container and in ventilated area, kept away from moisture and strong light or high temperature

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








1.Business Type

We are the Manufacture of plant extract in China with our own planting base for more than 7 years.Our Factry located in Yongzhou,Hunan Province,China(Mainland).



2.Our advantages

1).Factory price with best quality.

2).We have our own planting base of Rosemary,Olive,Pepper,Bitter Orange and so on.

3).Customized products available including different Specification,Extract Ratio,Package

4).We have perfect quality assurance system and implement strict quality control standards according to GMP requirements

5).OEM & ODM service available

6).COA,pictures and free samples available before firm order place



3.Quality Guarantee

1).All the materials come from pure and natural plant after strict inspection and disinfection.

2).With the help of latest technology,we restored the essence of the plants to a huge extent,making sure our product is of great healthy care and pharmaceutical function.

3)To reduce the risk for you,FREE SAMPLES can be sent out for your evaluation.



4.After-Sale Service

1). 24h online service

2). Items in different quality,quantity,packing discrepancy may be returned at SELLER's expense.

3). We always put the customers' interest at the first place.Any complaints will be carefully treated for the final goal of keeping a longterm established commercial relationship with you.



Company Information

Company information:

Yongzhou Huamao Biotechnology Co., Ltd. is a high-tech enterprise specialized and engaged in the R&D, production and marketing of natural plant extract. Our company was established in June, 2009. Our factory located in power station of Yongzhou county, Hunan province, with advantageous natural resources and abundant cheap electricity.


As a professional botanical extract supplier, we have perfect quality assurance system and implement strict quality control standards according to GMP requirements. Both technology center and quality management department are equipped with imported liquid UV detection and experimental instrument.


With a wide range, good quality, reasonable prices, our products are widely recognized and trusted by users and can meet continuously developing economic and social needs.



Contact me Now for Quotation and Free Samples:

Tel: 86-0731-82070210



Transaction History of the Supplier

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Transaction Overview


Transaction Details

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China (Mainland) | Manufacturer, Trading Company
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3 Transactions 230,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $54,000
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