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Preparation, Isolation, and Characterization of Cutin Monomers and Oligomers from Tomato Peels

1999; American Chemical Society; Volume: 47; Issue: 2 Linguagem: Inglês

10.1021/jf980693r

1520-5118

Stanley F. Osman, Peter L. Irwin, William F. Fett, Joanne V. O'Conno, Nicholas Parris,

Plant Surface Properties and Treatments

Cutin in tomato peels was depolymerized in methanolic base to yield cutin monomers or a mixture of cutin oligomers. These products were isolated by typical solvent extraction methods or by precipitation, and the isolates were characterized by chromatographic and spectroscopic analyses. It was determined that the compositions of the isolates from both isolation procedures were similar, although solvent extraction gave higher yields. However, the precipitation method, which is easy to carry out and avoids the use of undesirable organic solvents, may be preferable in commercial processes for recovering these compounds.