Component

Rhesus macular pigment content

Rhesus macular pigment content. Species, exposure and limitations are retained in each linked claim.

3 recorded relationships. Experimental role, claim status and evidence remain attached to each record.

Read recorded mechanisms Open recursive mind map

How nutrients influence it

Every nutrient with a recorded effect on this component, credited to the nutrient that acted rather than the chapter that recorded it. Open a nutrient to see the findings and the conditions they were measured under.

How nutrients reach it in more than one step

Chains of two or more recorded steps that end here, grouped by the nutrient they start from. Each step is a separate finding, so a chain is a route a mechanism could take, not proof that it does.

Tracing routes…

What it does

Every recorded relationship this component is part of, grouped by its role. Plain wording comes first; the technical statement follows.

Recorded relationships

What acts on it

  1. Lifelong xanthophyll-free animals had no detectable macular pigment.

    Lifelong xanthophyll-free diet in rhesus monkeys → Rhesus macular pigment content source_derived_draftungraded
    Experimental context and source evidence
    availability_state
    nutrient_deficiency Imported condition classification; unverified.
    evidence_span
    {"source_cache": "artifacts/lutein-research/21245404.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "74fa1a576a92084789e1a2d4afcd7c657e9ef2acaf9b0a6eaca46d543447ee2b", "start_char": 0, "end_char": 1712, "text_sha256": "74fa1a576a92084789e1a2d4afcd7c657e9ef2acaf9b0a6eaca46d543447ee2b"}
    experimental_model
    Dietary deprivation/repletion and controlled laser challenge
    exposure
    Eight lifelong xanthophyll-deprived animals, n-3 intake strata; 22–28 weeks L or Z; 476-nm exposures
    limitations
    Extreme animal depletion and laser injury are not a defined human deficiency syndrome or ordinary screen exposure.
    nutrient_topic
    Lutein research collection; topical membership is not evidence of a direct dietary effect. · Lutein
    organism
    Rhesus macaque
    plain_language
    The pigment pool disappeared under extreme dietary deprivation.
    primary_references
    [lutein-p21245404] Nutritional manipulation of primate retinas, V: effects of lutein, zeaxanthin, and n-3 fatty acids on retinal sensitivity to blue-light-induced damage. (2011). https://pubmed.ncbi.nlm.nih.gov/21245404/ DOI: 10.1167/iovs.10-5898
    tissue_or_cell_type
    Foveal and parafoveal retina
    trigger_kind
    nutrient_deficiency Imported condition classification; unverified.

    Lutein: metabolism, signaling and nutrient connections (2026-09-17) · lines 424–435

    AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Dietary deprivation/repletion and controlled laser challenge · source_derived_draft · unverified_draft

    ### lutein-deprivation-pigment Lifelong xanthophyll-free animals had no detectable macular pigment. Condition category: nutrient_deficiency nutrient_topic: Lutein research collection; topical membership is not evidence of a direct dietary effect. plain_language: The pigment pool disappeared under extreme dietary deprivation. organism: Rhesus macaque tissue_or_cell_type: Foveal and parafoveal retina experimental_model: Dietary deprivation/repletion and controlled laser challenge limitations: Extreme animal depletion and laser injury are not a defined human deficiency syndrome or ordinary screen exposure. exposure: Eight lifelong xanthophyll-deprived animals, n-3 intake strata; 22–28 weeks L or Z; 476-nm exposures evidence_span: {"source_cache": "artifacts/lutein-research/21245404.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "74fa1a576a92084789e1a2d4afcd7c657e9ef2acaf9b0a6eaca46d543447ee2b", "start_char": 0, "end_char": 1712, "text_sha256": "74fa1a576a92084789e1a2d4afcd7c657e9ef2acaf9b0a6eaca46d543447ee2b"} [lutein-p21245404] Nutritional manipulation of primate retinas, V: effects of lutein, zeaxanthin, and n-3 fatty acids on retinal sensitivity to blue-light-induced damage. (2011). https://pubmed.ncbi.nlm.nih.gov/21245404/ DOI: 10.1167/iovs.10-5898
    Complete structured claim and evidence

  2. The 2004 cohort had no detectable macular pigment before repletion.

    Lifelong xanthophyll-free diet in rhesus monkeys → Rhesus macular pigment content source_derived_draftungraded
    Experimental context and source evidence
    availability_state
    nutrient_deficiency Imported condition classification; unverified.
    evidence_span
    {"source_cache": "artifacts/zeaxanthin-research/15326146.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "2feb9366dc3d6fc9886076332f2e4ebc33603b94b113bc130163226845f7cea2", "start_char": 0, "end_char": 1572, "text_sha256": "2feb9366dc3d6fc9886076332f2e4ebc33603b94b113bc130163226845f7cea2"}
    experimental_model
    Long-term dietary depletion followed by single-pigment repletion
    exposure
    Lifelong xanthophyll-free diet; six animals received pure zeaxanthin 2.2 mg/kg/day for 24–56 weeks
    limitations
    Extreme combined-xanthophyll depletion is not isolated human zeaxanthin deficiency or a clinical diagnostic threshold.
    nutrient_topic
    Zeaxanthin research collection; topical membership is not evidence of a direct dietary effect. · Dietary (3R,3-prime-R)-zeaxanthin
    organism
    Rhesus macaques
    plain_language
    The depleted animals lacked the measurable pigment pool.
    primary_references
    [zeaxanthin-p15326146] Nutritional manipulation of primate retinas, I: effects of lutein or zeaxanthin supplements on serum and macular pigment in xanthophyll-free rhesus monkeys. (2004). https://pubmed.ncbi.nlm.nih.gov/15326146/ DOI: 10.1167/iovs.02-1243
    tissue_or_cell_type
    Serum and macular pigment
    trigger_kind
    nutrient_deficiency Imported condition classification; unverified.

    Zeaxanthin: metabolism, signaling and nutrient connections (2026-09-17) · lines 886–897

    AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Long-term dietary depletion followed by single-pigment repletion · source_derived_draft · unverified_draft

    ### zeaxanthin-primate-depletion The 2004 cohort had no detectable macular pigment before repletion. Condition category: nutrient_deficiency nutrient_topic: Zeaxanthin research collection; topical membership is not evidence of a direct dietary effect. plain_language: The depleted animals lacked the measurable pigment pool. organism: Rhesus macaques tissue_or_cell_type: Serum and macular pigment experimental_model: Long-term dietary depletion followed by single-pigment repletion limitations: Extreme combined-xanthophyll depletion is not isolated human zeaxanthin deficiency or a clinical diagnostic threshold. exposure: Lifelong xanthophyll-free diet; six animals received pure zeaxanthin 2.2 mg/kg/day for 24–56 weeks evidence_span: {"source_cache": "artifacts/zeaxanthin-research/15326146.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "2feb9366dc3d6fc9886076332f2e4ebc33603b94b113bc130163226845f7cea2", "start_char": 0, "end_char": 1572, "text_sha256": "2feb9366dc3d6fc9886076332f2e4ebc33603b94b113bc130163226845f7cea2"} [zeaxanthin-p15326146] Nutritional manipulation of primate retinas, I: effects of lutein or zeaxanthin supplements on serum and macular pigment in xanthophyll-free rhesus monkeys. (2004). https://pubmed.ncbi.nlm.nih.gov/15326146/ DOI: 10.1167/iovs.02-1243
    Complete structured claim and evidence

  3. Pure zeaxanthin supplementation increased macular pigment, approaching a steady central peak by 24–32 weeks.

    Dietary (3R,3-prime-R)-zeaxanthin → Rhesus macular pigment content source_derived_draftungraded
    Experimental context and source evidence
    availability_state
    nutrient_deficiency Imported condition classification; unverified.
    evidence_span
    {"source_cache": "artifacts/zeaxanthin-research/15326146.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "2feb9366dc3d6fc9886076332f2e4ebc33603b94b113bc130163226845f7cea2", "start_char": 0, "end_char": 1572, "text_sha256": "2feb9366dc3d6fc9886076332f2e4ebc33603b94b113bc130163226845f7cea2"}
    experimental_model
    Long-term dietary depletion followed by single-pigment repletion
    exposure
    Lifelong xanthophyll-free diet; six animals received pure zeaxanthin 2.2 mg/kg/day for 24–56 weeks
    limitations
    Extreme combined-xanthophyll depletion is not isolated human zeaxanthin deficiency or a clinical diagnostic threshold.
    nutrient_topic
    Zeaxanthin research collection; topical membership is not evidence of a direct dietary effect. · Dietary (3R,3-prime-R)-zeaxanthin
    organism
    Rhesus macaques
    plain_language
    The tissue pigment recovered gradually after supply resumed.
    primary_references
    [zeaxanthin-p15326146] Nutritional manipulation of primate retinas, I: effects of lutein or zeaxanthin supplements on serum and macular pigment in xanthophyll-free rhesus monkeys. (2004). https://pubmed.ncbi.nlm.nih.gov/15326146/ DOI: 10.1167/iovs.02-1243
    tissue_or_cell_type
    Serum and macular pigment
    trigger_kind
    nutrient_deficiency Imported condition classification; unverified.

    Zeaxanthin: metabolism, signaling and nutrient connections (2026-09-17) · lines 899–910

    AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Long-term dietary depletion followed by single-pigment repletion · source_derived_draft · unverified_draft

    ### zeaxanthin-primate-repletion Pure zeaxanthin supplementation increased macular pigment, approaching a steady central peak by 24–32 weeks. Condition category: nutrient_deficiency nutrient_topic: Zeaxanthin research collection; topical membership is not evidence of a direct dietary effect. plain_language: The tissue pigment recovered gradually after supply resumed. organism: Rhesus macaques tissue_or_cell_type: Serum and macular pigment experimental_model: Long-term dietary depletion followed by single-pigment repletion limitations: Extreme combined-xanthophyll depletion is not isolated human zeaxanthin deficiency or a clinical diagnostic threshold. exposure: Lifelong xanthophyll-free diet; six animals received pure zeaxanthin 2.2 mg/kg/day for 24–56 weeks evidence_span: {"source_cache": "artifacts/zeaxanthin-research/15326146.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "2feb9366dc3d6fc9886076332f2e4ebc33603b94b113bc130163226845f7cea2", "start_char": 0, "end_char": 1572, "text_sha256": "2feb9366dc3d6fc9886076332f2e4ebc33603b94b113bc130163226845f7cea2"} [zeaxanthin-p15326146] Nutritional manipulation of primate retinas, I: effects of lutein or zeaxanthin supplements on serum and macular pigment in xanthophyll-free rhesus monkeys. (2004). https://pubmed.ncbi.nlm.nih.gov/15326146/ DOI: 10.1167/iovs.02-1243
    Complete structured claim and evidence

In the sources

Preserved passages that mention this component, quoted exactly. Open one to read it in context.

    This is a research prototype built from draft material. It is not medical advice, and its statements still await verification against the original studies.

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