A wide diversity exists in pectin structure from thirteen apple cultivars

A wide diversity exists in pectin structure from thirteen apple cultivars

To emphasize that differences in pectin structure among cultivars play a crucial role in the texture and quality of fruits and vegetables, the sugar content and methyl-esterification of pectin fractions from 13 apple cultivars was studied. Cell wall polysaccharides were isolated as alcohol-insoluble...

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Veröffentlicht in:International journal of biological macromolecules 2023-07, Vol.244, p.125410-125410, Article 125410
Hauptverfasser: Liu, Dazhi, Liu, Xuan, Liu, Jianing, Jermendi, Éva, Bi, Jinfeng, Schols, Henk A.
Format: Artikel
Sprache:eng
Schlagworte:
Apple pectin
Enzymatic fingerprinting
Structure characterisation
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Zusammenfassung:To emphasize that differences in pectin structure among cultivars play a crucial role in the texture and quality of fruits and vegetables, the sugar content and methyl-esterification of pectin fractions from 13 apple cultivars was studied. Cell wall polysaccharides were isolated as alcohol-insoluble solids (AIS) and subsequently extracted to yield water-soluble solids (WSS) and chelating-soluble solids (ChSS). All fractions contained significant amounts of galacturonic acid, while sugar compositions varied between cultivars. AIS and WSS pectins showed a degree of methyl-esterification (DM) > 50 %, while ChSS pectins had either a medium (∼50 %) or low (
ISSN:0141-8130
1879-0003
DOI:10.1016/j.ijbiomac.2023.125410