Effects of water loss of 'Fuyu' persimmon fruit on molecular weights of mesocarp cell wall polysaccharides and fruit softening

Yasuhisa Tsuchida, Naoki Sakurai, Kunihisa Morinaga, Yoshiko Koshita, Toshikazu Asakura

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Distributions of molecular weights of cell wall fractions of persimmon 'Fuyu' fruit (Diospyros kaki Thunb.), stored under low and high humidities, were measured. The molecular weight of total sugar of water-soluble (WS) polysaccharides from alcohol-insoluble solids under both low and high humidities shifted to lower molecular mass during storage. The amount of larger sized polymers in fruits kept at low humidity was less than that at high humidity during late stage of storage. Weight-average molecular weights of pectic polysaccharides under high humidity were higher than that under low humidity condition. Coefficient between fruit firmness and the level of individual polysaccharides was higher than those between fruit firmness and weight-average molecular weight of WS, pectin or hemicellulose fraction. These results were confirmed by multiple regression analysis. Hence, fruit firmness of persimmon mesocarp is not influenced by changes in a single cell wall fraction but by all cell wall fractions, i. e., the content of cell wall polysaccharides plays a grater role in determining fruit firmness than do their molecular weights.

Original languageEnglish
Pages (from-to)460-468
Number of pages9
JournalJournal of the Japanese Society for Horticultural Science
Volume73
Issue number5
Publication statusPublished - Sep 2004
Externally publishedYes

Fingerprint

persimmons
mesocarp
humidity
polysaccharides
cell walls
molecular weight
fruits
firmness
water
Diospyros kaki
hemicellulose
pectins
polymers
regression analysis
alcohols
sugars

Keywords

  • Cell wall
  • Fruit firmness
  • Molecular weight
  • Persimmon
  • Water loss

ASJC Scopus subject areas

  • Horticulture
  • Plant Science

Cite this

Effects of water loss of 'Fuyu' persimmon fruit on molecular weights of mesocarp cell wall polysaccharides and fruit softening. / Tsuchida, Yasuhisa; Sakurai, Naoki; Morinaga, Kunihisa; Koshita, Yoshiko; Asakura, Toshikazu.

In: Journal of the Japanese Society for Horticultural Science, Vol. 73, No. 5, 09.2004, p. 460-468.

Research output: Contribution to journalArticle

Tsuchida, Yasuhisa ; Sakurai, Naoki ; Morinaga, Kunihisa ; Koshita, Yoshiko ; Asakura, Toshikazu. / Effects of water loss of 'Fuyu' persimmon fruit on molecular weights of mesocarp cell wall polysaccharides and fruit softening. In: Journal of the Japanese Society for Horticultural Science. 2004 ; Vol. 73, No. 5. pp. 460-468.
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