| gptkbp:instanceOf | gptkb:Phytochemical gptkb:Tetraterpenoid
 gptkb:color
 
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                                | gptkbp:absorption | Enhanced by dietary fat 
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                                | gptkbp:absorptionSite | Small intestine 
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                                | gptkbp:biosynthesized_from | Isoprenoid pathway 
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                                | gptkbp:class | gptkb:Carotenes gptkb:Xanthophylls
 
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                                | gptkbp:color | gptkb:Orange Red
 Yellow
 
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                                | gptkbp:contributedTo | Color of autumn leaves Color of egg yolks
 Color of fruits and vegetables
 Color of salmon and flamingos
 
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                                | gptkbp:degradedBy | gptkb:Oxygen gptkb:Heat
 Light
 
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                                | gptkbp:dietarySource | gptkb:fruit gptkb:Kale
 Corn
 Sweet potatoes
 Carrots
 Spinach
 Tomatoes
 Red peppers
 
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                                | gptkbp:example | gptkb:Beta-carotene gptkb:Astaxanthin
 gptkb:Canthaxanthin
 gptkb:Lycopene
 Lutein
 Zeaxanthin
 
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                                | gptkbp:firstIsolatedFrom | gptkb:19th_century 
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                                | gptkbp:foundIn | gptkb:algae gptkb:Fungi
 gptkb:Plants
 Some animals
 Photosynthetic bacteria
 
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                                | gptkbp:function | Antioxidant activity Light absorption for photosynthesis
 
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                                | gptkbp:hasMolecularFormula | C40H56 (for beta-carotene) 
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                                | gptkbp:notSynthesizedBy | Animals (except some aphids and mites) 
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                                | gptkbp:predecessor | gptkb:Vitamin_A 
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                                | gptkbp:roleInHumanHealth | Eye health Immune system support
 Antioxidant protection
 Reduced risk of certain diseases
 
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                                | gptkbp:solubility | Fat-soluble 
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                                | gptkbp:storage | gptkb:Adipose_tissue Liver
 
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                                | gptkbp:structure | 40 carbon atoms 
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                                | gptkbp:transportation | gptkb:Lipoproteins 
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                                | gptkbp:usedAs | gptkb:dietary_supplement Feed additive
 Food colorant
 
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                                | gptkbp:bfsParent | gptkb:Kale gptkb:Yellow_Peppers
 
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                                | gptkbp:bfsLayer | 6 
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                                | https://www.w3.org/2000/01/rdf-schema#label | Carotenoids 
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