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Home/Compounds/Food Additive/Lutein
C40H56O2
568.9 g/mol
Food Additive

Lutein

CAS127-40-2EC204-840-0
Category
Food Additive
Compound Class
Natural Product
Primary Use
Natural food coloring and nutrient

Lutein is a naturally occurring carotenoid pigment belonging to the xanthophyll group, synthesized only by plants and found abundantly in green leafy vegetables such as spinach and kale. It is used as a natural food coloring and nutrient, and it plays a role in modulating light energy and protecting plants from excess light during photosynthesis.

Natural food coloringNutrient supplement

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

ReferenceSame Category

Vitamin A acetate

CAS127-47-9

Vitamin A dietary supplement

ReferenceSame Category

Butylated hydroxytoluene

CAS128-37-0

Antioxidant for food and feed

ReferenceSame Category

Saccharin sodium

CAS128-44-9

artificial sweetener

ReferenceSame Category

Riboflavin 5'-phosphate sodium

CAS130-40-5

nutritional supplement and food coloring

Customs Tariff Classification

The international HS code for Lutein (CAS 127-40-2) is 3203.00.

HS code (international, 6-digit)

3203.00

EU CN code (8-digit)

3203 00 10

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

(1R)-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1R,4R)-4-hydroxy-2,6,6-trimethylcyclohex-2-en-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-3,5,5-trimethylcyclohex-3-en-1-ol

InChIKey

KBPHJBAIARWVSC-RGZFRNHPSA-N

SMILES

CC1=C(C(C[C@@H](C1)O)(C)C)/C=C/C(=C/C=C/C(=C/C=C/C=C(\C)/C=C/C=C(\C)/C=C/[C@H]2C(=C[C@@H](CC2(C)C)O)C)/C)/C

Synonyms (57)
  • A1LXP
  • (3R,3'R,6'R)-Lutein
  • (all-E)-Lutein
  • 3,3'-Dihydroxy-alpha-carotene
  • ?-Carotene-3,3'-diol
  • Bo-Xan
  • E 161b
  • E-161B(I)
  • FloraGLO
  • FloraGLO Lutein
  • INS NO.161B(I)
  • LUTEIN [MART.]
  • Leutein
  • Leutin
  • Lutamax
  • Lutein
  • Lutein (Standard)
  • Lutein (Xanthophyll)
  • Lutein A
  • Lutein ester
  • Lutein from tagetes erecta
  • Lutein, all-trans-
  • Lutein, gamma
  • Lutein; Xantofyl
  • Noon for Kids
  • OS 24
  • Oro Glo 7
  • Vegetable lutein
  • Vegetable luteol
  • Xanthophyll (~80%)
  • Xanthophyll, all-trans-(+)-
  • Xanthophyll, from marigold
  • Xanthophyll, tech grade
  • Xantofyl
  • all-trans-Lutein
  • all-trans-Xanthophyll
  • e-carotene-3,3'-diol
  • gamma Lutein
  • trans-Lutein

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