Characterization and quantitation of hexadecyl, octadecyl, and eicosyl esters of p-coumaric acid in the vine and root latex of sweetpotato [Ipomoea batatas (L.) Lam.]

ME Snook, ES Data, SJ Kays

Index: Snook, Maurice E.; Data, Emma S.; Kays, Stanley J. Journal of Agricultural and Food Chemistry, 1994 , vol. 42, # 11 p. 2589 - 2595

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Citation Number: 39

Abstract

Methanol extracts of vine latex of four cultivars of sweetpotato [Ipomoea batatas (L.) Lam.] were analyzed for their chemical phenolic composition by reversed-phase HPLC. Major components were identified as hexadecyl, octadecyl, and eicosylp-coumarates by an evaluation of data from W spectra, hydrolysis, synthesis, and GC/MS of their trimethylsilyl derivatives. Both 2-and E-isomers of the phenolic acid were found, with the latter ...

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