Characterization of chlorophyll degradation in banana and plantain during ripening at high temperature

Yang, X., Zhang, Z., Joyce, D.C., Huang, X., Xu, L. and Pang, X. (2009) Characterization of chlorophyll degradation in banana and plantain during ripening at high temperature. Food Chemistry, 114 2: 383-390. doi:10.1016/j.foodchem.2008.06.006


Author Yang, X.
Zhang, Z.
Joyce, D.C.
Huang, X.
Xu, L.
Pang, X.
Title Characterization of chlorophyll degradation in banana and plantain during ripening at high temperature
Journal name Food Chemistry   Check publisher's open access policy
ISSN 0308-8146
Publication date 2009-05-15
Year available 2009
Sub-type Article (original research)
DOI 10.1016/j.foodchem.2008.06.006
Open Access Status
Volume 114
Issue 2
Start page 383
End page 390
Total pages 8
Place of publication Netherlands
Publisher Elsevier BV
Language eng
Subject C1
820214 Tropical Fruit
070605 Post Harvest Horticultural Technologies (incl. Transportation and Storage)
Abstract Bananas fail to fully degreen when ripening at tropical temperatures, but this abnormal symptom does not occur in plantain. To elucidate the temperature effect on banana degreening, comparison of the colour change and chlorophyll degradation pathway between banana and plantain during ripening at 20 or 30 °C was carried out. Compared to bananas ripening at 20 °C and plantains at 20 °C or 30 °C, bananas at 30 °C contained significantly higher levels of chlorophylls, chlorophyllide a and pheophorbide a at the end of the ripening process, linearly correlating to the colour scores of a*, b* and Hue angle. Whilst higher chlorophyllase activity was recorded in both banana and plantain at 30 °C as to the fruits at 20 °C, 30 °C inhibited Mg-dechelatase activity in banana, but not in plantain. The reduction of Mg-dechelatase activity in banana peel at 30 °C may contribute to repressed chlorophyll degradation and lead to uneven degreening.
Keyword Bananas (Musa AAA)
Chlorophyllase
Chlorophyllide a
Chlorophyll
Degreening
Mg-dechelatase
Pheophorbide a
Plantains (Musa ABB)
Q-Index Code C1
Q-Index Status Confirmed Code
Grant ID 30300243
06200670
Institutional Status UQ
Additional Notes E-publication June 2008, in print May 2009

Document type: Journal Article
Sub-type: Article (original research)
Collections: 2009 Higher Education Research Data Collection
School of Agriculture and Food Sciences
 
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Created: Mon, 15 Jun 2009, 19:53:09 EST by Cameron Harris on behalf of School of Land, Crop and Food Sciences