alexa Glycerol and glyceryl esters of omega-hydroxyacids in cutins.
Bioinformatics & Systems Biology

Bioinformatics & Systems Biology

Journal of Computer Science & Systems Biology

Author(s): Graa J, Schreiber L, Rodrigues J, Pereira H

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Abstract Cutins from the leaves and fruits of seven plant species were depolymerized by NaOCH(3)-methanolysis. The monomers that were released mostly included C16 and C18 omega-hydroxyacids with mid-chain oxygenated substitutions, namely epoxy and hydroxyl groups. Glycerol was also solubilized as a monomer in quantities that ranged from 1 to 14\% of the methanolysates. Partial depolymerization of three cutins by CaO-methanolysis released the same monomers as had been obtained in the previous reaction, as well as small quantities of 1- and 2-monoacylglyceryl esters of omega-hydroxyacids. Molar proportions of glycerol permit the esterification of a significant part of the aliphatic omega-hydroxyacids, thereby possibly playing a major role in the polyester structure of cutin. Glycerol had not previously been known to form part of the cutin polymer.
This article was published in Phytochemistry and referenced in Journal of Computer Science & Systems Biology

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