Partager

Document IIF

Effects of liquid nitrogen quick-freezing technology on quality changes in litchi during frozen storage.

Auteurs : WANG Y., HUANG W., JIAN P., LU J., MA Y., SUN Q., CAO Y., SONG M.

Type d'article : Article de la RIF

Résumé

Fresh litchi has a short harvest season and limited storability, necessitating the development of long-term preservation technologies to improve its economic viability. This study evaluated the effects of conventional chest freezer freezing (CF) at -20 ◦-100 ◦ ◦ C and liquid nitrogen freezing (LNF) at various temperatures (-40, -60, -80, and C) on the quality attributes of litchi during frozen storage for up to six months. The results demonstrated that LNF significantly reduced the initial freezing point and increased the freezing rate compared to CF. How ever, LNF led to fruit cracking. Throughout the storage period, a gradual deterioration in key quality parameters was observed in all treated samples. Despite this, LNF was superior to CF in terms of sensory scores, peel color, drip loss, textural properties (hardness, chewiness, and gumminess), microstructural integrity and water status. The -80 C LNF exhibited the best comprehensive quality. Furthermore, LNF effectively retarded the increase in titratable acidity (TA). Two-way ANOVA revealed that browning index (BI), total soluble solids (TSS), and ascorbic acid content were predominantly influenced by storage duration rather than freezing method. In conclusion, these findings suggest that LNF, as an advanced rapid-freezing technology, can better preserve the critical quality attributes of litchi during extended frozen storage.

Documents disponibles

Format PDF

Pages : 14

Disponible

  • Prix public

    20 €

  • Prix membre*

    Gratuit

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : Effects of liquid nitrogen quick-freezing technology on quality changes in litchi during frozen storage.
  • Identifiant de la fiche : 30034981
  • Langues : Anglais
  • Sujet : Technologie
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 188
  • Date d'édition : 08/2026
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2026.106980

Liens


Voir d'autres articles du même numéro (23)
Voir la source

Indexation