Hermetica Superfood Encyclopedia
Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.
Review flags: AWAITING_SEMANTIC_VALIDATION
Zeaxanthin is a xanthophyll carotenoid that accumulates in the macula lutea of the retina, where it filters blue light and provides antioxidant protection. It works synergistically with lutein to maintain macular pigment optical density and reduce oxidative damage to retinal photoreceptors.
Reported Benefits (Provisional)
Origin & History
Zeaxanthin is a carotenoid pigment found in high concentrations in leafy greens, corn, and egg yolks. It is typically extracted using solvent methods for supplement production.
Research Narrative (Provisional)
RCTs and observational studies support its role in eye health and protection against age-related macular degeneration. Further research is ongoing.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
- High in carotenoids, particularly zeaxanthin. - Contains lutein, another eye-supportive carotenoid. - Provides antioxidant activity.
Reported Mechanism (Provisional)
Zeaxanthin selectively accumulates in the foveal region of the macula, forming part of the macular pigment complex alongside lutein and meso-zeaxanthin. It absorbs high-energy blue light (400-500nm wavelengths) and quenches singlet oxygen species through its conjugated double bond system. The compound also stabilizes cell membranes and protects against lipid peroxidation by neutralizing reactive oxygen species generated by photochemical reactions.
Clinical Narrative (Provisional)
Multiple randomized controlled trials including the Age-Related Eye Disease Study 2 (AREDS2) with 4,203 participants showed zeaxanthin supplementation (2mg daily with 10mg lutein) reduced progression of advanced AMD by 10-25%. The Lutein Antioxidant Supplementation Trial demonstrated that 2mg zeaxanthin daily for 12 months significantly increased macular pigment optical density by 0.04-0.06 units. Smaller studies (n=40-120) have shown improvements in contrast sensitivity and glare recovery, though larger long-term trials are needed to establish definitive cognitive and cardiovascular benefits.
Also Known As
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