Seed moisture characteristics in relation to total lipid content of five Citrus taxa using an equilibrium dehydration protocol

A. M. Makeen, Normah Mohd. Noor, S. Dussert, M. M. Clyde

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Seeds of five Citrus taxa: Citrus suhuiensis cv. limau langkat, Citrus suhuiensis cv. limau madu, Citrus limonia, Citrumelo and Citrus hystrix were equilibrated over various saturated salt solutions at 25°C. Water desorption isotherms were constructed using the simplified sorption model. The relationships between seed total lipid content (expressed on a percentage dry weight basis) and water desorption isotherms and sorption parameters were investigated. The differences between the five Citrus taxa in terms of seed volume, fresh weight and total lipid content were highly significant (P ≤ 0.001). Negative linear correlations were detected amongst the taxa between seed total lipid contents and equilibrium water contents attained at RH greater than 78%. For all taxa investigated, the relationship between seed water content at equilibrium and water activity displayed a hyperbolic shape rather than the typical sigmoidal shape characterizing orthodox seeds. However, prominent differences in water desorption isotherms were observed due to differences in their lipid content. Negative linear correlations were found between seed total lipid content and water sorption parameters that related to the weakly binding site and to water binding sites at the multimolecular layer. Positive linear correlation was observed between seed lipid contents and the activity of multimolecular water.

Original languageEnglish
Pages (from-to)453-464
Number of pages12
JournalSeed Science and Technology
Volume34
Issue number2
Publication statusPublished - 2006

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Citrus
lipid content
seeds
desorption
sorption
water activity
water
binding sites
Citrus hystrix
Citrus limonia
water content
salts

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Horticulture
  • Plant Science

Cite this

Seed moisture characteristics in relation to total lipid content of five Citrus taxa using an equilibrium dehydration protocol. / Makeen, A. M.; Mohd. Noor, Normah; Dussert, S.; Clyde, M. M.

In: Seed Science and Technology, Vol. 34, No. 2, 2006, p. 453-464.

Research output: Contribution to journalArticle

Makeen, A. M. ; Mohd. Noor, Normah ; Dussert, S. ; Clyde, M. M. / Seed moisture characteristics in relation to total lipid content of five Citrus taxa using an equilibrium dehydration protocol. In: Seed Science and Technology. 2006 ; Vol. 34, No. 2. pp. 453-464.
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