Description

Rosmarinic Acid is a naturally occurring polyphenolic compound and a potent ester of caffeic acid. It is highly valued for its significant antioxidant, anti-inflammatory, and antimicrobial properties, making it a key functional ingredient across multiple industries. This versatile phytochemical is essential for manufacturers in the nutraceutical, cosmetic, pharmaceutical, and food preservation sectors seeking natural bioactive solutions.

Application

• Nutraceutical & Dietary Supplements: Used as a core ingredient in antioxidant formulations, immune support products, and general wellness supplements for its free radical scavenging activity.
• Cosmetics & Personal Care: Incorporated into anti-aging serums, creams, and lotions for its skin-protective effects against UV-induced damage and to improve skin elasticity.
• Pharmaceutical Research: Serves as a reference standard and active pharmaceutical ingredient (API) in studies focusing on neuroprotection, cardioprotection, and metabolic health.
• Food & Beverage Preservation: Acts as a natural preservative and antioxidant in functional foods, beverages, and edible oils to extend shelf life and prevent rancidity.
• Animal Nutrition: Applied in feed additives to promote animal health, reduce oxidative stress, and support overall vitality.

Basic Information

Product Name	Rosmarinic Acid
CAS No.	20283-92-5
Molecular Formula	C18H16O8
Molecular Weight	360.31 g/mol
Synonyms	Rosmarinic acid; (R)-Rosmarinic acid; Labiatenic acid; Rosemary acid; α-O-Caffeoyl-3,4-dihydroxyphenyllactic acid; (R)-O-(3,4-Dihydroxycinnamoyl)-3-(3,4-dihydroxyphenyl)lactic acid; trans-Rosmarinic acid; L-Rosmarinic acid
EINECS	243-664-3

Quality Control

Our Rosmarinic Acid is produced and tested under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive support for GMP, ISO, and REACH compliance. A detailed Certificate of Analysis (COA), including purity assay and impurity profile, is supplied with every shipment to guarantee it meets your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is easily oxidized and should be kept under an inert atmosphere for long-term storage to maintain stability and potency.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 95.0% - 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Total Plate Count	≤ 1000 cfu/g
Yeast & Mold	≤ 100 cfu/g

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.