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The 40 pages that link to Carotenoid, each with the reason it gives.

• PhotoprotectionRelated: They quench reactive oxygen species and contribute to energy dissipation in photosynthetic tissues.

• Bird plumageRelated: Diet-derived carotenoids create bright colors in some plumage.

• TomatoRelated: Carotenoids give ripe tomatoes much of their red, orange, and yellow color.

• ChromatophoreRelated: Carotenoids supply color to some chromatophores, often after animals acquire them through food.

• Fruit ripeningRelated: Their accumulation gives many ripening fruits vivid yellow, orange, or red hues.

• Richard WillstätterRelated: Willstätter's pigment investigations also examined these compounds alongside chlorophyll.

• Singlet oxygenRelated: Carotenoids can deactivate singlet oxygen and protect photosynthetic systems from excess light.

• JalapeñoRelated: Their accumulation helps turn ripening jalapeños from green to red.

• Butternut squashRelated: Carotenoids give its orange flesh color and include beta-carotene.

• Animal colorationRelated: Animals often acquire carotenoids through food and incorporate them into visible colors.

• AutumnRelated: As green chlorophyll breaks down, carotenoids become visible in turning leaves.

• Spaghetti squashRelated: These pigments help give many spaghetti squash varieties their golden flesh.

• Domestic canaryRelated: Dietary carotenoids contribute to the yellow and red plumage colors prized in canaries.

• Yellow-green algaeRelated: Carotenoids help produce the yellow tones that distinguish these algae.

• Yukon Gold potatoRelated: Carotenoid pigments contribute to the yellow color of Yukon Gold flesh.