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Comparing apples and pears
Date:7/10/2008

the researchers report in the recent issue of Plant Physiology, the powerful equipment produces 3-D images that are accurate down to and below 1/1000 of a millimeter, with sufficient contrast to separate out void spaces from cells. The images are now used in computer models to calculate oxygen concentration in individual cells of fruit tissues.

"It is still unclear how airways in the fruit develop, and why apples have cavity structures and pears micro-channel networks", explains Pieter Verboven, from the Catholic University of Leuven and corresponding author of the paper. However, the results do help explain why pears are so prone to decay during storage: "The micro-channels are so small that oxygen supply to the fruit core is very limited and cells are quickly 'out of breath' when oxygen levels fall below the safety threshold", he asserts.


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Contact: Montserrat Capellas
press@esrf.fr
33-476-882-663
European Synchrotron Radiation Facility
Source:Eurekalert  

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Comparing apples and pears
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