Talk:Curcumin

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Colour[edit]

I have known for years that boiling cumin hard in water made it turn red, and adding rice made it turn yellow again. Here are possibly related links (to the same paper) which say that the keto form is yellow and the enol form is red: https://www.researchgate.net/publication/328525979_Keto_-_Enol_Tautomerism_of_Temperature_and_pH_Sensitive_Hydrated_Curcumin_Nanoparticles_Their_Role_as_Nanoreactors_and_Compatibility_with_Blood_Cells https://web.archive.org/web/20240605094755/https://www.researchgate.net/publication/328525979_Keto_-_Enol_Tautomerism_of_Temperature_and_pH_Sensitive_Hydrated_Curcumin_Nanoparticles_Their_Role_as_Nanoreactors_and_Compatibility_with_Blood_Cells 119.224.26.241 (talk) 09:55, 5 June 2024 (UTC)[reply]