What is Carnosol (Rosemary extract powder)?

Carnosol (Rosemary extract powder) is a phenolic diterpene found in the herbs rosemary (Rosmarinus officinalis L.). The most important constituents are carnosol, carnosic acid, caffeic acid and its derivatives such as rosmarinic acid. These compounds have powerful antioxidant activity.

Rosmarinic acid is well absorbed from gastrointestinal tract and from the skin and appears to be a strong anti-inflammatory agent. It has been studied in-vitro for anti-cancer effects in various cancer cell types. It exhibits antidepressant, anti-inflammatory, anti-angiogenic, and anticancer chemotherapeutic activities.

What is Rosemary Extract?

Rosemary extract is a series natural plant extracts which extracted from Rosmarinus officinalis L, also named rosemary leaf extract. Applied to the skin, rosemary essential oil helps strengthen the capillaries and has a rejuvenating effect. Recent research is now revealing even more benefits attached to this remarkable herb, including its ability to help prevent cancer and age-related skin damage, boost the functioning of the liver and act as a mild diuretic to help reduce swelling. Although rosemary extract has been used commercially as an antimicrobial food preservative for years, now we know for certain that it also has a lot to offer as a nutritional supplement, 1 especially in the prevention of some types of cancer, allergies, and the progression of Alzheimer’s disease.

Rosmarinic acid exhibits various pharmacological activities including prevention of oxidation of low density lipoprotein, inhibition of murine cell proliferative activity and of cyclooxygenase, and anti-allergic action.

Ursolic aicd has wide biological effect and antioxidant effect, which act positively in anti-aging and removing splash. It can prevent and improve wrinkle and old-age splash through restore the skin’s collagen bundle construction and elastic. As a kind of cosmetics, it’s steady, its color and odor won’t change with the time. In addition, it has a good sense of touch.

Carnosic acid has outstanding fat-solubility, which can be used as antioxidant in meat, dairy products, oily-rich products, sweets.

Carnosol is a major component of Rosmarinus officinalis, it is a phenolic diterpene that has potent antioxidant and anti-inflammatory activities.

Carnosol (Rosemary extract powder) benefits

  • Provides powerful antioxidant protection.
  • Protects brain cells from the normal effects of aging.
  • May slow down the progression of Alzheimer’s disease.
  • Protects cells from carcinogens.
  • Inhibits growth of cancer cells.
  • Helps reduce allergy symptoms, especially to dust mites.
  • Increases potency of vitamin E.
  • Helps reduce hypertension.

Carnosol (Rosemary extract powder) Specification

Latin Name Rosmarinus officinalis L.
Part of Used Leaf
Active Ingredients Carnosol
CAS No. 5957-80-2
Specification Available 5% – 98% HPLC
Appearance Brown to Yellow Greenish Powder
Molecular Formula C20H26O4
Molecular Weight 330.42

Shelf Life

2 Years


Store in tightly sealed containers in cool and dry place, away from moisture, light, oxygen.


  • Packed in paper-drums and two plastic-bags inside. N.W:25kgs .I.D.35×H51cm.
  • 1Kg/Bag, aluminum foil bag vacuum packing.
  • Sample, double sealed water plastic bags inside with the aluminum bag outside.

Where to buy Carnosol (Rosemary extract powder)?

Just send an email to [email protected], or submit your requirement in bottom form, we are of service at any time!