What is Rosmarinic Acid Extract?
Rosemary, Rosemary-like herbs, Perilla frutescens, Melissa officinalis, and Salvia officinalis are the primary sources of the water-soluble ingredient called Rosmarinic Acid Extract. Thanks to its solid antioxidant and anti-inflammatory activity, this extract is found in most products in the nutraceutical, food, beverage, personal care, and pharmaceutical fields. By using vitamin E, formulas for water-based products are safe from oxidation, and this ingredient also adds health benefits to the final goods. It is a useful ingredient for manufacturers of supplements since it blends well with both solid and liquid products. Commonly, it is adjusted to set amounts of active ingredients to maintain stable results when manufactured in large volumes. It is often used when the formula does not include any synthetic additives, when the product is promoted for its natural character, clear ingredient list, and multiple abilities.

COA
| Item | Specification | Result | Method |
| Rosmarinic Acid | ≥ 10.0% | 11.22% | HPLC |
| Identification | Positive | Conforms | HPLC |
| Moisture | ≤ 5.0% | 2.45% | USP <731> |
| Ash | ≤ 5.0% | 2.79% | USP <561> |
| Particle Size | 100% pass 80 mesh | Conforms | USP <786> |
| Heavy Metals | ≤ 10 ppm | < 10 ppm | ICP-MS |
| Arsenic (As) | ≤ 1 ppm | 0.22 ppm | ICP-MS |
| Lead (Pb) | ≤ 2 ppm | 0.42 ppm | ICP-MS |
| Cadmium (Cd) | ≤ 1 ppm | 0.11 ppm | ICP-MS |
| Mercury (Hg) | ≤ 0.1 ppm | < 0.05 ppm | ICP-MS |
| Total Plate Count | ≤ 1,000 CFU/g | 95 CFU/g | USP <2021> |
| Yeast & Mold | ≤ 100 CFU/g | 10 CFU/g | USP <2021> |
| E. coli | Negative/10g | Negative | USP <2022> |
| Salmonella | Negative/25g | Negative | USP <2022> |
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Features
Its special combination of physical and chemical traits gives Rosmarinic Acid value in many industrial applications. Being water-soluble, the polyphenolic compound can smoothly blend with aqueous solutions. Thanks to the stable structure it forms from it and 3,4-dihydroxyphenyllactic acid, it is very powerful in dealing with free radicals and acts as a strong antioxidant. Because it stands up well to heat and oxidation, it is good for use in products that will be stored or heated for long periods. The form of the extract can be a fine white to brown powder or a concentrated liquid, and it continues to be biologically active no matter what the pH is. Because it is natural, compatible with clean labels, and has great functions, Rosmarinic Acid Extract is favored by many manufacturers.
How to Store Properly?
1. Store in a Cool, Dry Environment
Store the product in a place with good airflow, low humidity, and temperatures ideally set below 25°C (77°F) to stop it from taking in moisture.
2. Stay away from excessive sun and ultraviolet light.
Make sure the extract is kept away from intense light, both from the sun and lightbulbs, because this can change its color and lessen the antioxidants it holds.
3. Maintain the Unopened, Factory Packaging
Use only the contents from our airtight seal, so they are not handled and vulnerable to pollution. Open up the automated line when it is ready to run real production.
4. Exposure to Air Should Be Minimized
If you need to repackage the product, use glass or plastic containers that have little extra space and fill them with an inert gas such as nitrogen.
5. Do not Touch Any Metal Objects
Keep it apart from reactive metals or metal tools, since Rosemary Acid may react with catalytic metal ions that could disrupt its stability.
6. Make sure you put the right labels on your stock and rotate it well.
Follow the FIFO rule for stock and mark the opened containers with the day you opened them to be sure you use everything on time.

Recommended Usage
It is best for manufacturing to blend Rosmarinic with formulations that feature natural water-soluble antioxidants and plant compounds. People often turn to it because it is a common ingredient in functional items like botanical emulsions, liquid dietary supplements, natural oral sprays, herbal syrups, and wellness-oriented effervescent tablets. Since it can dissolve in water and is compatible with water-based systems, it becomes very useful for companies producing liquid dietary supplements, creams for skin care, and additives in water-based foods. In addition, an organic approach supports drug-related herb and active botanical production since high levels of quality and health standards are required. Producers gain from the plant-based activity of essential oils as they satisfy the demand for products with simple, clean labels, fewer preservatives, and more than one feature.
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