*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p><strong>Lutein feed grade</strong> is a carotenoid pigment extracted from marigold flowers via solvent extraction and purification. Its molecular formula is C40H52O2 with CAS No. 2017-19-4, widely used as a natural colorant in poultry and aquaculture feeds.</p>
<h3>Application</h3>
<ul>
<li>Poultry farming: Enhances egg yolk pigmentation and skin coloration.</li>
<li>Aquaculture: Improves flesh coloration in salmon and shrimp.</li>
<li>Animal nutrition: Supports antioxidant activity and immune function.</li>
</ul>
<h3>Precautions</h3>
<p>Store in cool, dry conditions away from light to prevent oxidation. Avoid direct contact with eyes and respiratory system during handling; use appropriate PPE.</p>