Leuco-anthocyanins. 1. Detection and identification of anthocyanidins formed from leuco-anthocyanins in plant tissues

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Abstract
The leuco-anthocyanins in leaves, fruits and other tissues were con-verted to anthocyanins by heating with 2N HC1 and then identified by paper chromatography. Results are reported for the leaves of a number of representative species and for representative fruits, roots and flowers. Only leuco-cyanidin and leuco-delphinidin were found, except in Rosaceae and a few Leguminosae which contained leuco-paeonidin.