Lutein

CAS Number
127-40-2
EC Number
204-840-0
Chemical Formula
C40H56O2
Molecular Weight
568.9 g/mol
E Number
E161b

Description

Lutein (CAS 127-40-2), also designated E161b, is a naturally derived xanthophyll carotenoid pigment extracted primarily from marigold flowers. It functions as a yellow-to-orange colorant and antioxidant across food, supplement, and cosmetic applications. Procurement is driven by both its coloring performance and its positioning as a functional botanical ingredient. In dietary supplements and nutraceuticals, it is formulated into softgels, tablets, and functional foods targeting eye health.

This positioning remains a major commercial driver for ingredient sourcing. Food manufacturers use it as a natural colorant in beverages, dairy products, and confectionery where synthetic dye replacement is a priority. In personal care, it is incorporated into anti-aging creams and serums where antioxidant activity supports product claims around skin protection. Feed and aquaculture producers also source it to enhance pigmentation.

This includes the pigmentation of egg yolks and farmed fish flesh. The product is supplied as a dark viscous oleoresin, free-flowing powder, or beadlet form, with beadlets preferred for dry supplement blending. Standard grades include food-grade and USP-compliant specifications, with concentration levels typically ranging from 5% to 20% in oleoresin and powder formats. This ensures versatility across various manufacturing processes.

Crystalline lutein is available for applications requiring higher purity, and water-dispersible forms are offered for beverage and liquid formulation use. These options allow for precise control over the final product characteristics.

Other Names (Synonyms)

all-trans-Lutein|Vegetable lutein|Vegetable luteol|trans-Lutein|Lutein A|Xantofyl|all-trans-Xanthophyll|E161b

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

Melting Point 196 °C
Boiling Point 572.66°C (rough estimate)
Density 0.9944 (rough estimate)
Flash Point 269.1±27.5 °C
Color Red to Very Dark Red
Form Solid
Refractive Index n20/D1.361-1.363
Log P 11.524 (est)

Trade & Regulatory

HS Code 29061990
Storage Class 11 - Combustible Solids
WGK (Germany) 3

Documentation

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