Description

(3R,3'R,6'R,9-Cis)-Carotene-3,3'-Diol is a specific stereoisomer of lutein, a naturally occurring xanthophyll carotenoid. This compound is valued for its potent antioxidant properties and its role as a key pigment in biological systems. It is primarily sought by manufacturers in the nutraceutical, food, and animal feed industries for its functional benefits.

Application

• Dietary Supplements & Nutraceuticals: A critical ingredient in formulations designed to support eye health, particularly for Age-related Macular Degeneration (AMD) and cataract prevention.
• Functional Food & Beverage Fortification: Used as a nutritional additive and natural colorant in products like juices, dairy items, and health bars.
• Animal & Aquaculture Feed: Incorporated into poultry feed to enhance egg yolk pigmentation and into aquaculture feed for fish flesh coloration and health.
• Cosmetic & Personal Care: Employed in skincare products for its antioxidant properties, helping to protect skin from oxidative stress.
• Pharmaceutical Intermediates: Serves as a high-purity starting material or intermediate in the synthesis of specialized pharmaceutical compounds.
• Research & Development: Used as a standard or reagent in biochemical, nutritional, and pharmacological research studies.

Basic Information

Product Name	(3R,3'R,6'R,9-Cis)-Carotene-3,3'-Diol
CAS No.	29414-89-9
Molecular Formula	C₄₀H₅₆O₂
Molecular Weight	568.87 g/mol
Synonyms	9-cis-Lutein; (9Z)-Lutein; (3R,3'R,6'R)-beta,ε-Carotene-3,3'-diol, 9-cis-; Lutein (9-cis-isomer); All-E-Lutein isomer; Xanthophyll; Vegetable Lutein; FloraGLO® Lutein (related trade name)
EINECS	Contact for details

Quality Control

Our (3R,3'R,6'R,9-Cis)-Carotene-3,3'-Diol is produced and tested under a strict quality management system. We offer grades suitable for various applications, including those targeting Food Chemical Codex (FCC) and nutraceutical standards. Every batch is accompanied by a comprehensive Certificate of Analysis (COA) to ensure traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C or as specified on the label. The container should be kept in a cool, dry, and well-ventilated area, away from oxidizing agents.

Specification

Item	Specification
Appearance	Orange to red-orange powder or crystalline solid
Identification (HPLC/UV)	Conforms to standard
Assay (HPLC)	≥95.0% (Total Lutein Isomers)
Specified Isomer Content (9-cis-Lutein)	≥90.0% of total assay
Solvent Residue (GC)	Meets ICH guidelines
Heavy Metals (as Pb)	≤10 ppm
Loss on Drying	≤1.0%
Total Plate Count	≤1000 CFU/g

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