purpurin

noun

pur·​pu·​rin ˈpər-pyə-rən How to pronounce purpurin (audio)
1
: an orange or red crystalline compound C14H8O5 obtained from madder root along with alizarin or by oxidation of alizarin and used in dyeing
2
also purpurine : any of various colored compounds obtained from chlorophyll or related compounds by the action of cold alcoholic alkali and oxygen

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Cite this Entry

“Purpurin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/purpurin. Accessed 21 Feb. 2024.

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