What is Rosmarinus Officinalis Rosemary Extract?
Rosmarinus Officinalis Rosemary Extract is a highly concentrated botanical ingredient that is derived from the leaves of the rosemary plant, commonly known to have functional properties as well as industrial utility. It contains various phenolic acids, including carnosic acid and rosmarinic acid, which provide a high antioxidant and stabilizing effect, and it is a universal additive in the food, nutraceutical, cosmetic, and pharmaceutical industries. It can be used as a natural preservative to increase the stability of food products and improve the shelf life, and in nutraceuticals, it is a major ingredient in dietary supplements aimed at promoting an optimal state of metabolism and good health. Cosmetic and personal care companies use rosemary extract in skin and hair systems as a protective and cleansing agent to address the rising trend in using natural and plant-based ingredients in the market. Essentially, the extract has reliable quality, consistency, and active content, which are important aspects of industrial use where reliability in the supply and adherence to international standards are imperative. Its eco-friendliness and effectiveness in the long-term also bring an added value to companies that want to fit its products to the tastes of consumers choosing clean-label and environmentally-friendly solutions.
COA
| Test Item | Specification (Method) | Result |
| Description / Appearance | Brown fine powder; characteristic herbaceous odor. (Visual / Olfactory) | Brown fine powder; characteristic rosemary odor |
| Identification - TLC | Conforms to reference (TLC) | Pass |
| Identification - UV/HPLC (marker) | HPLC profile consistent with reference standard | Pass |
| Assay - Carnosic acid (as marker) | 5.0% - 12.0% (HPLC, USP/EP style) | 6.20% |
| Assay - Rosmarinic acid (optional) | 3.0% - 10.0% (HPLC) | 3.80% |
| Loss on drying (105°C) | ≤ 5.0% (AOAC) | 3.10% |
| Residue on ignition / Total ash | ≤ 5.0% (AOAC) | 2.20% |
| Water soluble extractive | ≥ 20.0% (Method) | 24.50% |
| Ethanol soluble extractive (60%) | ≥ 18.0% (Method) | 20.10% |
| pH (1% w/v aqueous) | 4.0 - 7.0 | 5.4 |
| Particle size (mesh) | 100% pass 80 mesh; ≥ 90% pass 100 mesh | Complies (95% pass 100 mesh) |
| Bulk density (tap) | Report value (g/mL) | 0.38 g/mL |
| Heavy metals - Pb (lead) | ≤ 2.0 mg/kg (ICP-MS) | < 0.2 mg/kg |
| Heavy metals - As (arsenic) | ≤ 1.0 mg/kg (ICP-MS) | < 0.1 mg/kg |
| Heavy metals - Cd (cadmium) | ≤ 1.0 mg/kg (ICP-MS) | < 0.05 mg/kg |
| Heavy metals - Hg (mercury) | ≤ 0.1 mg/kg (ICP-MS) | < 0.01 mg/kg |
| Pesticide residues (multi-residue) | Meets EU/USP limits; No detectable above MRLs (GC-MS / LC-MS/MS) | Not detected (within limits) |
| Residual solvents | Meets ICH Q3C class limits; Not detected above limits (GC) | Not detected |
| Total aerobic microbial count (TAMC) | ≤ 10³ CFU/g (USP) | 120 CFU/g |
| Total yeast & mold | ≤ 10² CFU/g (USP) | 18 CFU/g |
| E. coli | Negative / 10 g (USP) | Negative |
| Salmonella | Negative / 25 g (USP) | Negative |
| Staphylococcus aureus | Negative / 10 g (USP) | Negative |
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Benefits
1. Natural Shelf-Life Extension
Rosmarinus Officinalis Leaf Extract prevents or slows down the process of lipid oxidation in oils, fats, and processed foods, and gives manufacturers a chance to use fewer preservatives of synthetic origin with no impact on the preservation of the product or its stability.
2. Functional Value in Supplements
The extract helps to increase digestive comfort and overall vitality, so it could be an important ingredient that supplement manufacturers should consider adding to their collections of natural-based formulations.
3. Aromatic and Sensory Enhancement
In addition to its functional attributes, it adds a slight herbal flavor to the food item, beverage, or cosmetic application, which can be clean-label positioned.
4. Skin and Hair Protection
It functions as a protective and soothing agent in cosmetic preparations, enhancing the effectiveness of a product in anti-aging creams, scalp care products, and cleansing products.
5. Marketing Advantage through Clean Labeling
A plant-based, sustainable, and familiar ingredient can be used by manufacturers to add marketing value, and the manufacturing of finished products can match the existing consumer trends.
Applications and Synergies
It has been widely accepted in various industries because of its multifunctional characteristics and compatibility with various formulations. Usually used in the food industry in processed meat products, baked goods, edible oils, sauces, and ready-to-eat meals, it is used to enhance the stability of products in storage and distribution, and to preserve the sensory attributes of products stored and distributed. Its excellent antioxidant effect will enable the manufacturers to eliminate the employment of artificial additives, which will comply with the requirements of a clean label and regulatory tendencies. It is also used in the nutraceutical market, as capsules, powders, and functional drinks, where it is used to synergize with other botanical ingredients to provide benefits of digestion, circulation, and vitality. It is also compatible with plant oils, vitamins, and botanical actives, which is why it is suitable in the cosmetic and personal care field in skin creams, shampoos, conditioners, and oral care products that emphasize the natural protection and calming effects. As a stabilizer in formulations, it is used in formulations where oxidative stress must be inhibited, while the activity of active components must be maintained during the shelf life of the product. Rosemary Extract synergies are particularly useful in complex formulations because they have the added benefit of providing their own functional benefits as well as improving the level of stability and bioavailability of other co-ingredients to help manufacturers optimize performance, reduce costs, and appeal to consumers.
Uses
1. Food Preservation
Rosemary Leaf Extract has wide applications in processed snacks, dairy products, and cooking oils and inhibits rancidity, as well as maintains flavor integrity, which allows manufacturers to extend the shelf life of products on shelves without synthetics.
2. Nutraceutical Formulations
It is added to soft gels, tablets, and powdered blends as a natural botanical ingredient, which is used to supplement vitamins, minerals, and other plant extracts in developing well-balanced health products.
3. Cosmetic Development
In skincare and haircare collections, it can be used as a natural preservative that contributes to the formulations of cleansing, calming, and refreshing products, which is a botanical alternative to synthetic additives.
4. Animal Nutrition
It is used in animal feed products and pet food to inhibit oxidation of fats and oils in extracts, maintaining the nutritional value of the extract during storage and enhancing the reliability of the products for the producers of animal feed.
5. Functional Beverages
Food manufacturers manufacture it in teas, herbal water, and fortified water to help raise the antioxidant level and create a natural brand image when promoting its use to health-conscious customers.
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