13C nuclear magnetic resonance study of suberized potato cell wall

Joel R. Garbow, Lisa M. Ferrantello, Ruth E. Stark

Research output: Contribution to journalArticlepeer-review

55 Scopus citations


High-resolution, solid-state 13C nuclear magnetic resonance (NMR) spectra are reported for suberized cell wall from potatoes (Solanum tuberosum L.). Through experiments combining the techniques of cross polarization and magic-angle spinning, we verified that suberin, like cutin, is a polyester and demonstrated that it also has phenylpropanoid groups characteristic of lignin. Roughly 50% of the suberized material consists of cell-wall polymers; aromatics and other unsaturated linkages outnumber methylene groups 2:1. In conjunction with traditional direct-polarization NMR results, these experiments provide support for prior suggestions that suberin and cell-wall components are chemically bonded via aromatic groups.

Original languageEnglish
Pages (from-to)783-787
Number of pages5
JournalPlant Physiology
Issue number3
StatePublished - Jul 1989


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