Effects of mild temperature conditions during dehydration procedures on saffron quality parameters

C Priscila Del Campo, Manuel Carmona, Luana Maggi, Charalabos D Kanakis, Eirini G Anastasaki, Petros A Tarantilis, Moschos G Polissiou, Gonzalo L Alonso

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

35 Citazioni (Scopus)


BACKGROUND: The dehydration procedure is responsible for saffron sensorial properties: colour, taste and aroma. Changes in the compounds responsible for these characteristics have been studied when dehydration processes at high and low temperature are employed. However, the evolution of these changes at mild temperatures is not available in the current bibliography. In this paper the effect of different mild conditions (18–20 ºC for 24 h, 40–50 ºC for 75 min and 55 ºC for 75min) applied to 45 saffron samples with the same origin was investigated. RESULTS: Crocetin esters, the compounds responsible for saffron colour, increased their content with no significant differences from other processes when high temperatures (55 ºC) were used, thus producing a noticeable increment in saffron colouring capability. Similar behaviour was obtained for picrocrocin, the compound responsible for saffron taste, with higher average content at the highest temperature (55 ºC) butwithout significant differences with the inferior conditions (40–50 ºC). However, more volatile compounds were generated, especially safranal,at higher temperatures, e.g. 55 ºC, during the dehydration procedure. CONCLUSIONS: The results found support the idea for employingmild to high temperatures during the dehydration process of saffron.
Lingua originaleEnglish
pagine (da-a)719-725
Numero di pagine7
RivistaJournal of the Science of Food and Agriculture
Stato di pubblicazionePubblicato - 2010
Pubblicato esternamente


  • crocetin esters
  • dehydration process
  • picrocrocin
  • saffron colour
  • saffron taste and aroma
  • safranal


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