Description

Chemical structures of the most common carotenoids, including alpha-carotene, beta-carotene, lycopene, lutein, astaxanthin, and zeaxanthin, are depicted with their characteristic conjugated polyene chains.

Figure 1

Diagram

Source Paper

Carotenoids for Antiaging: Nutraceutical, Pharmaceutical, and Cosmeceutical Applications.

Pharmaceuticals (Basel, Switzerland) (2025)

PMID: 40143179

DOI: 10.3390/ph18030403

Cite This Figure

![Figure 1: Chemical structures of the most common carotenoids, including alpha-carotene, beta-carotene, lycopene, lutein, astaxanthin, and zeaxanthin, are depicted with their characteristic conjugated polyene chains.]()

> Source: Mariia Shanaida et al. "Carotenoids for Antiaging: Nutraceutical, Pharmaceutical, and Cosmeceutical Appl." *Pharmaceuticals (Basel, Switzerland)*, 2025. PMID: [40143179](https://pubmed.ncbi.nlm.nih.gov/40143179/)

<figure>
  <img src="" alt="Chemical structures of the most common carotenoids, including alpha-carotene, beta-carotene, lycopene, lutein, astaxanthin, and zeaxanthin, are depicted with their characteristic conjugated polyene chains." />
  <figcaption>Figure 1. Chemical structures of the most common carotenoids, including alpha-carotene, beta-carotene, lycopene, lutein, astaxanthin, and zeaxanthin, are depicted with their characteristic conjugated polyene chains.<br>  Source: Mariia Shanaida et al. "Carotenoids for Antiaging: Nutraceutical, Pharmaceutical, and Cosmeceutical Appl." <em>Pharmaceuticals (Basel, Switzerland)</em>, 2025. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/40143179/">40143179</a></figcaption>
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