Plant BiologybioRxivPreprint
Post-secretory synthesis of a natural analog of iron-gall ink in the black nectar of Melianthus spp.
E. T. Magner, R. Roy, K. F. Saxhaug…·C. Carter
The paper identifies ellagic acid and iron as the black pigment in Melianthus nectar, showing post-secretory synthesis from gallic acid via peroxidase and iron(III).
DOI 10.1101/2022.12.20.521234