NDLI: Post-harvest banana peel splitting as a function of relative humidity storage conditions

Content Provider	Springer Nature Link
Author	Brat, Pierre Lechaudel, Mathieu Segret, Léa Morillon, Raphaël Hubert, Olivier Gros, Olivier Lambert, Frédéric Beit, Sophie Bugaud, Christophe Salmon, Frédéric
Copyright Year	2016
Abstract	Peel splitting is a major physiological disorder affecting post-harvest banana quality. This phenomenon occurs only 3–6 days after ripening induction in specific cultivars such as cv. 925 when stored in saturating humidity conditions. In these conditions, Cavendish cultivars (Grande Naine, cv. GN) are not susceptible to splitting. Cvs. 925 and GN were thus investigated to detect possible determinants associated with splitting. Splitting intensity was tentatively found to be associated with an inverse water flux at high relative humidity (RH) through an osmotic peel to pulp water flux resulting from the higher sugar content in the pulp than in the peel. Rheological properties were measured, and although the peel resistance and elasticity in cv. 925 were surprisingly higher than in cv. GN, saturating humidity conditions (100 % RH) substantially reduced the peel resistance. However, the peel epicuticular wax in cv. 925 was clearly thinner than that in cv. GN, thus leading to limitation of peel hydration in cv. GN. Peel splitting in cv. 925 was also associated with a boost in respiration, an increase in oxidative stress markers (H$_{2}$O$_{2}$), resulting in an increase in cellular damage markers (MDA, PEL). Overall, our results suggest that peel splitting at high RH in cv. 925 is related to fast decrease peel water content and the induction of high oxidative stress damage.
Starting Page	1
Ending Page	14
Page Count	14
File Format	PDF
ISSN	01375881
Journal	Acta Physiologiae Plantarum
Volume Number	38
Issue Number	10
e-ISSN	18611664
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-09-03
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Banana Peel Humidity Splitting Wax ROS Plant Physiology Plant Genetics & Genomics Plant Biochemistry Plant Pathology Plant Anatomy/Development Agriculture
Content Type	Text
Resource Type	Article
Subject	Physiology Plant Science Agronomy and Crop Science

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