Violaxanthin

Violaxanthin^[1]
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Appearance	Orange crystals
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Violaxanthin is a xanthophyll pigment with an orange color found in a variety of plants. Violaxanthin is the product of the epoxidation of zeaxanthin where the oxygen atoms are from reactive oxygen species (ROS). Such ROS's arise when a plant is subject to solar radiation so intense that the light cannot all be absorbed by the chlorophyll.^[2]

Food coloring

Violaxanthin is used as a food coloring under the E number E161e and INS number 161e. The coloring is not approved for use in food in the EU^[3] or the United States, but is allowed in Australia and New Zealand.^[4]

Violaxanthin cycle

Violaxanthin is a participant in the violaxanthin cycle.

File:Violaxanthin cycle.png

The xanthophyll cycle

References

↑ Merck Index, 11th Edition, 9902.
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↑ UK Food Standards Agency: Script error: No such module "citation/CS1".
↑ Australia New Zealand Food Standards CodeScript error: No such module "citation/CS1".

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[Merck-1] Merck Index, 11th Edition, 9902.

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[3] UK Food Standards Agency: Script error: No such module "citation/CS1".

[4] Australia New Zealand Food Standards CodeScript error: No such module "citation/CS1".

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[2]

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Violaxanthin

Food coloring

Violaxanthin cycle

References

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