Mechanical properties of fruit-cuticular membranes isolated from 27 cultivars of Diospyros kaki Thunb.

Shuntaro Tsubaki, Yoshihiko Ozaki, Keizo Yonemori, Jun Ichi Azuma

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

Fruit cuticular membranes (CMs) were isolated from 27 cultivars of Diospyros kaki Thunb., and relationships among their chemical compositions, densities and mechanical properties were analysed. Wide cultivar dependency was observed in both chemical compositions and mechanical properties, however, astringency did not show clear correlation with them. Densities of the CMs showed significant positive correlation with maximum stress and elastic modulus, but negative correlation with maximum strain. Positive correlations were also observed in elastic modulus-polysaccharide content and maximum strain-polysaccharide content, and negative correlation in elastic modulus-cutin content on a weight over unit area (μg/cm 2) basis. The integration of densities of fruit CMs and their chemical constituents may explain the mechanical properties which are specific to each cultivar of D. kaki fruit.

Original languageEnglish
Pages (from-to)2135-2139
Number of pages5
JournalFood Chemistry
Volume132
Issue number4
DOIs
Publication statusPublished - Jun 15 2012
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Food Science

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