Rosmarinus Officinalis Leaf Extract

Product Name:Rosmarinus Officinalis Leaf Extract

Latin Name:Rosmarinus officinalis

Active Ingredient:Rosmarinic acid, Carnosic acid

Appearance:Brown Yellow Powder

Form: Powder

Use Part:Leaf

Test Method:HPLC

Shelf life: 2 Years

Storage: Cool dry place

Package: 25kg/drum;


Stock in LA USA warehouse;

We are mainly supplying powder form raw materials for businesses that manufacture supplements, food, drinks,cosmetics, pharmaceuticals and so on. All products are ISO9001 and FDA certified. Free samples are available.

What is Rosmarinus Officinalis Leaf Extract?The rosmarinus officinalis leaf extract coming from the lovely herb, rosemary. It contains lots of chemicals, including flavonoids, phenolic acids, and diterpenes. Its main active is rosmarinic acid, a potent antioxidant, and anti-inflammatory. It has also anti-bacterial, astringent and toning properties.
The leaves contain a small amount of essential oil (1-2%) with fragrant components, so if you are allergic to fragrance, it might be better to avoid it.
The herb not only tastes good in culinary dishes, such as rosemary chicken and lamb, but it is also a good source of iron, calcium, and vitamin B-6.It is typically prepared as a whole dried herb or a dried rosmarinus officinalis leaf extract, while teas and liquid extracts are made from fresh or dried leaves. A range of rosemary products is available for purchase online.
The herb has been hailed since ancient times for its medicinal properties. Rosmarinus officinalis leaf extract was traditionally used to help alleviate muscle pain, improve memory, boost the immune and circulatory system, and promote hair growth.Basic Information:

Product NameRosmarinus Officinalis Leaf ExtractSupplierUndersunAppearancebrown yellow powderActive Ingredientursolic acidPlant OriginRosmarinus officinalis LCAS No.80225-53-2Molecular FormulaC18H16O8Molecular Weight360.33Specification5%, 10%, 20%, 50% ,60%Test MethodHPLCRosmarinus Officinalis Leaf Extract Benefits:
Rosmarinus officinalis leaf extract is a very chemically complex plant, and one that is loaded with antioxidants. Most antioxidants support a healthy inflammatory response, and so this seems to be the case with Rosemary. Rosmarinic acid, carnosic acid, and labiatic acid, all constituents of the rosemary plant are commonly used as a natural preservatives in the food industry. Rosemary also encourages healthy digestion and supports liver health. Because of its potent antioxidant properties, Rosemary and its various constituents have been the focus of numerous scientific studies and clinical trials.
1.Powerful Antioxidant ActivityRosmarinus officinalis leaf extract is among the richest herbs in antioxidants. In fact, more powerful than vitamin C, this pungent herb contains twelve antioxidants that act in synergy to protect cells from free radical damage and improve one’s antioxidant status. Like its cousin, sage, it helps protect fat from oxidation. Carnosic acid, carnosol, and rosmarinic acid in rosemary help to protect chromosomes from damage caused by gamma rays. Therefore, unless contraindicated, drinking rosemary tea a day before and after a diagnostic radiological test could help reduce free radical damage. (Including a little extra garlic, vitamin C and vitamin E would also prove helpful.)
2.Rosemary’s Cardiovascular EffectsRosmarinus officinalis extract can also prove useful for hypertensive individuals.1 Researchers at the University of Massachusetts have recently discovered that rosemary is an ACE inhibitor. ACE inhibitors block the formation of the hormone angiotensin II. This hormone promotes inflammation within the arteries, accelerates the development of atherosclerosis, and is a very powerful constrictor of blood vessels. As blood vessels constrict, blood pressure increases. Other studies show that rosemary improves the ability of the blood vessels to dilate in healthy young individuals.Rosemary and its relative, thyme, help the cardiovascular system in another way. They show significant anti-thrombotic (clotting) action. This is significant because undesirable clot formation is involved in approximately 80% of all heart attacks and the majority of strokes.

3.Quenches InflammationRosmarinic acid in rosemary (also found in sage and basil) can reduce inflammation in the lungs, especially from diesel particles inhaled from air. These particles actually decrease the quality of life and increase the risk of dying from lung diseases. Rosemary also inhibits allergic inflammation of the bronchial tubes from dust mites.Rosmarinic acid helps to protect DNA from the damaging by-products of chronic inflammation. Additionally, rosemary curtails the migration of white blood cells to injured tissues and reduces the release of inflammatory chemicals.5 Rosemary inhibits inflammation by at least four known mechanisms.

4.Allergy ReliefUnlike antihistamines, rosmarinic acid decreases the activation of immune responder cells that promote swelling and other symptoms of allergy-evoked inflammation. It also kills unneeded allergy-activated T-lymphocytes, while sparing the vast number of T-cells that are required to fight bacteria and viruses. Japanese researchers, using rodents, showed that a daily treatment with rosmarinic acid prevented allergic asthma caused by house mites. Some studies show that it also inhibits inflammation in seasonal allergic rhinitis caused by tree, grass, or weed pollens.6
5.Pain FighterNot only does rosmarinus officinalis leaf extract decrease inflammation in the lungs, it also reduces joint pain. Indeed, a mixture of rosemary oil with cold-pressed olive oil can applied to aching muscles and joints. This mixture also improves blood flow to inflamed muscles. Like its relative, basil, rosemary inhibits NF-kappa B, a protein that, when activated, promotes inflammation. Like turmeric and ginger, rosemary inhibits the proinflammatory enzyme, known as COX 2.7 Unlike drug COX-2 inhibitors, rosemary does not increase the risk for cardiovascular problems.Rosemary contains many pain-blocking compounds: carnosic acid, carnosol, ursolic acid, betulinic acid, and rosmanol. Each individual phytochemical showed a similar potency to that observed with ketorolac, a nonsteroidal anti-inflammatory drug.8 However, please note that rosemary gets at a major basis of pain, i.e., inflammation!

6.Germ FighterStudies performed from the 1990’s to 2015 demonstrated that the essential oil of rosemary has the highest antimicrobial activity among other essential oils. Rosemary’s compounds work synergistically to provide significant antibacterial and antifungal activity.
7.Brain Booster!Smelling rosemary can cause it to be absorbed in the blood and increase acetylcholine (a major neurotransmitter in the brain). Rosemary contains a dozen compounds that inhibit the breakdown of a major neurotransmitter, acetylcholine, and may be useful in Alzheimer’s. Rosemary aromatherapy may improve memory. Exposure to the aroma of rosemary essential oil can significantly enhance working memory in children.
Breathing rosmarinus officinalis extract scent can reduce heart rate and decrease cortisol in the saliva. In other words, rosemary helps to reduce stress levels. Combined with the scent of lavender, rosemary also decreases anxiety.14 There is some evidence that rosemary can exert an anti-depressant effect.
8.Metabolic SyndromeThe metabolic syndrome is a constellation of complex coexisting cardio-metabolic risk factors such as hyperglycemia, dyslipidemia, inflammation, abdominal obesity, pro-clotting activities, and hypertension. These raise the risk of diabetes mellitus and cardiovascular disease.As previously mentioned, rosemary is a rich source of phenolic phytochemicals having significant anti-oxidant, anti-inflammatory, and blood pressure-lowering activity. Additionally, this herb reduces elevated blood sugar, lowers blood lipids such as cholesterol and triglycerides, and helps to protect the liver.
Early evidence (rodent studies) suggests that rosemary extract may help discourage weight and fat gain on a high fat diet and promote fat loss in the liver.

9.Diabetes AidThe phytochemical carnosic acid (CA) or rosemary extract can effectively improve glucose and lipid metabolism disorder. Rosmarinus officinalis leaf extract’s anti-diabetic compounds fight diabetes in several ways. Some of its constituents act as an alpha-glucosidase inhibitor, a class of oral medications for type 2 diabetes that decreases the absorption of carbohydrates from the intestine. This results in a slower and lower rise in blood glucose throughout the day.

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We specialize in rosmarinus officinalis extract for several years, we supply products with competitive price, and our product is of the highest quality and undergoes strict, independent testing to ensure that it is safe for consumption around the world.
Where to buy Rosmarinus Officinalis Leaf Extract?For bulk wholesale nutraceutical pricing on rosmarinus officinalis extract or any other fruit, herb, spice & vegetable powder and powdered extract, please contact your ER representative directly or submit a wholesale quote request at
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