Description

Orthosiphon Stamineus, Ext. is a standardized botanical extract derived from the leaves of the Orthosiphon stamineus plant, commonly known as Java Tea or Cat's Whiskers. This extract is valued for its rich concentration of bioactive polyphenolic compounds, including rosmarinic acid and sinensetin, which are associated with significant health-supporting properties. It serves as a critical ingredient for manufacturers in the nutraceutical, functional food, and dietary supplement industries seeking natural, plant-based solutions.

Application

• Dietary Supplements & Nutraceuticals: A key active ingredient in capsules, tablets, and softgels formulated for kidney and urinary tract support, antioxidant benefits, and metabolic health.
• Functional Foods & Beverages: Incorporated into health-focused teas, tonics, and fortified food products to enhance their functional profile.
• Traditional & Herbal Medicine: Used as a concentrated source of the beneficial compounds found in Java Tea, supporting formulations in natural and complementary medicine.
• Cosmeceuticals: Utilized in topical skincare formulations for its antioxidant and anti-inflammatory properties, helping to protect skin from environmental stressors.
• Veterinary Health Products: Applied in supplements for companion animals, supporting urinary and renal health.
• Pharmaceutical Intermediates: Serves as a starting material for the further isolation and purification of specific bioactive markers for research and development.

Basic Information

Product Name	Orthosiphon Stamineus, Ext.
CAS No.	84012-29-3
Molecular Formula	Complex botanical extract; primary markers include C18H16O8 (Rosmarinic Acid)
Molecular Weight	Varies by constituent; Rosmarinic Acid: 360.31 g/mol
Synonyms	Java Tea Extract; Cat's Whiskers Extract; Orthosiphon aristatus Extract; Kumis Kucing Extract; Misai Kucing Extract; Kidney Tea Extract; Orthosiphon Extract; Orthosiphonis Folium Extract
EINECS	Contact for details

Quality Control

Our Orthosiphon Stamineus Extract is produced under strict quality management systems. Each batch is analytically profiled to ensure consistent potency of key bioactive markers, such as rosmarinic acid and total polyphenols, using validated methods like HPLC. We provide comprehensive Certificates of Analysis (COA) detailing identity, purity, and assay results, supporting compliance with cGMP, ISO, and relevant food safety standards for global markets.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This material is light-sensitive and easily oxidized; prolonged exposure to air, light, or elevated temperatures should be avoided to maintain stability and potency.

Specification

Item	Specification
Appearance	Fine brown to yellowish-brown powder
Identification (HPLC)	Complies with standard
Assay (Total Polyphenols)	Min. 20% (as Gallic Acid Equivalents)
Assay (Rosmarinic Acid)	5% - 20% (by HPLC)
Loss on Drying	≤ 5.0%
Ash	≤ 5.0%
Heavy Metals (as Pb)	≤ 10 ppm
Total Plate Count	≤ 10,000 CFU/g
Yeast & Mold	≤ 100 CFU/g
E. coli	Negative
Salmonella	Negative

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