Effect of moisture content on textural attributes of dried figs

Sara Ansari, Neda Maftoon-Azad, Asgar Farahnaky, Ebrahim Hosseini, Fojan Badii

Research output: Contribution to journalArticle

7 Citations (Scopus)
412 Downloads (Pure)

Abstract

Due to their soft texture consumers prefer moist figs, which has motivated fig processors to increase the production of this product. However, as water enhances the browning reaction rate, moisture content optimisation of moist figs is very im-portant. Processed figs must have suitable texture softness with browning kept to a minimum. The purpose of this study was to exa-mine the effect of moisture content on the textural attributes of driedfigs. Hardness, compression energy, gradient, gumminess and chewiness of fig samples decreased with moisture content exponentially, whereas the trend of springiness and cohesiveness with change of moisture content was nearly constant. Moreover, in the texture profile analysis plot of rehydrated figs, the presence of negative area is an indication of adhesiveness which was zero in control dried figs. The results of the texture profile analysis tests provedthe existence of a critical moisture content of about 18.4%, above which no significant effect of moisture content on textural parame-ters was found. The glass-rubber transition results from differential scanning calorimeter may explain the different texture profile analysis attributes of dried figs compared with rehydrated figs.
Original languageEnglish
Pages (from-to)403-412
Number of pages10
JournalInternational Agrophysics
Volume28
DOIs
Publication statusPublished - 2014

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