carminic acid
noun
car·min·ic acid
kär-ˌmin-ik- 
: a red crystalline anthraquinone dye C22H20O13 best known as the essential coloring matter of cochineal and used chiefly as a biological stain
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“Carminic acid.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/carminic%20acid. Accessed 22 Dec. 2024.
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