AI Insight
Researchers have successfully isolated and purified four geometric isomers of ζ-carotene, a carotenoid intermediate in lycopene biosynthesis found in plants and photosynthetic organisms. This is the first systematic characterization of these isomers' distinct properties, including their spectral characteristics, photoisomerization behavior, UV-shielding capacity, and antioxidant activity. The study reveals isomer-specific differences in biological activities relevant to skin health and photoprotection.
Why it matters
The findings establish ζ-carotene as a promising natural ingredient for skincare and sun protection products. Understanding the specific properties of each isomer could enable targeted development of more effective photoprotective and antioxidant formulations for dermatological applications.
Understand the Science
ζ-Carotene, a key intermediate in lycopene biosynthesis, is widely found in plants and photosynthetic microorganisms, but its isomer-specific properties remain poorly understood due to isolation and purification challenges. Researchers have now developed a purification strategy to obtain high-purity geometric isomers and systematically characterized, for the first time, their isomer-specific spectral properties, photoisomerization behavior, UV-shielding capacity, antioxidant activity and skin-related biological activities—highlighting ζ-carotene’s promise as a natural ingredient for skin health and photoprotection.
Source: Four ζ-carotene isomers reveal light-driven shifts and skin-protective potential