Blog

β-apo-8'-carotenoic acid ethyl ester vs Lutein: Which Feed Pigment Is Right for Poultry?

When choosing a carotenoid feed pigment for poultry, β-apo-8'-carotenoic acid ethyl ester (Apo-ester) and lutein are often considered for similar pigmentation objectives. However, they are different compounds and should not be treated as interchangeable ingredients.

The better choice depends on the feed formulation, pigment source, target color, and production requirements.

Apo-ester vs Lutein: What Is the Difference?

The first point to understand is that Apo-ester and lutein are different carotenoids .

  • β-apo-8'-carotenoic acid ethyl ester is a specific synthetic carotenoid feed colorant.
  • Lutein is a naturally occurring xanthophyll commonly obtained from plant sources such as Tagetes erecta (marigold).