Featured products, Plant Extract

Nature rosmarinic acid/Carnosic Acid

What is rosemary extract?
The extract is from rosemary (Rosmarinus officinalis Linn.), a common household plant that has grown in the Alps since the Middle Ages, and is now found throughout the world. According to folklore, rosemary takes its name from the Virgin Mary, who draped her cloak on a rosemary bush, and then placed a white flower on top of the cloak. The flower turned blue overnight, and the plant became known as the “Rose of Mary.”
Rosemary has been used for thousands of years as a savory spice, food preservative, in cosmetics and hair products, and as an herbal medicine for a variety of health disorders.

Rosemary Powder Extract,Natural Preservative Rosmarinic Acid

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 .

[Our Advantage]:

1.Unique active ingredients extraction and concentration technology

  1. Owning specific decolorate and deodorant technology.

3.Low content of harmful related substances

  1. The clarity and color of the solution is good, the range of product application is wide.

Latin name:

Rosmarinus officinalis L.

Plant origin:

Leaves of Rosmarinus officinalis.

Active Ingredients:

Rosemarinic acid, Carnosic acid


Rosemarinic acid:20283-92-5;

Carnosic acid:3650-09-7


Light yellowish-brown to tawny fine powders


1.Rosemarinic acid: 3% ~ 30%

2.Carnosic acid: 5% ~ 20%

  1. Any other specifications can be customized

Test Method:


What is Carnosic Acid?
Carnosic aicd is considered to be a natural, efficient and stable (high temperature durable),security, non-toxic and none-side-effects, oil-soluble antioxidants and a green food additive. It can be added into oil and fatty food, pharmaceutical, chemical, cosmetics and feed, etc.In addition to prevent or delay the oxidation process of oil and fatty food,improve the stability of the food and extend the storage time, and be used as meat and fish sauce, it also has good physical and biological activities,such as antibacterial action, inhibiting the AIDS virus ; Carnosic aicd could effectively control body weight by regulating the absorption of fat, to achieve the goal of reducing weight, it also can treat inflammation, sore throats, and indigestion, prevent alzheimer’s disease,it can treatment of diabetes, and to promote the formation of nerve growth factor etc. Carnosic aicd is also tooth .

Certificate of Analysis
•Items Specification: Rosmarinic acid 10%
•Appearance: Light Yellow to Brown Powder
•Oder: Characteristic
•Taste: Characteristic
•Paiticle size: Pass 80 mesh
•Loss on drying: ≤5%
•Heavy metals: <10ppm
•As: <1ppm
•Pb: <3ppm
•Assay: Result
•Total Plate Count: <10000cfu/g or <1000cfu/g(Irradiation)
•Yeast & Mold: <300cfu/g or 100cfu/g(Irradiation)
•E.Coli: Negative
•Salmonella: Negative