Food Structure
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Abstract
Cherimoya (Annona cherimola Mill.) is an important fruit crop that is grown in the South of Spain. Ultrastructural modifications of cherimoya fruit were studied after low-temperature storage. When cherimoya was stored at 4 oc for 6 days, the starch grains did not suffer degradation and the cell walls remained intact. The membrane systems were severely damaged , result ing in a loss of cell compartmentalization. Cherimoya rewarmed to 22 0 C after 9 days of low temperature storage is not able to recover , showing the irreversibility of the ultra structural changes. In addition, disorgani zation of the internal lamella of chloroplasts , grana unstacking, as well as a general swelling of plastids and mitochondria were also observed. The ultrastructural damage observed is explained in terms of membrane disruption.
Recommended Citation
Gutierrez, Margarita; Mar Sola, Maria del; Pascual, Luis; Rodriguez-Garcia, Maria Isabel; and Vargas, Alberto M.
(1992)
"Ultrastructural Changes in Cherimoya Fruit Injured by Chilling,"
Food Structure: Vol. 11:
No.
4, Article 4.
Available at:
https://digitalcommons.usu.edu/foodmicrostructure/vol11/iss4/4