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Inc.) with time. Moreover, we calculated the elasticity indexes from resonant frequencies and fruit weights and, showed the timecourse change in the elasticity index of fruits during storage. The second resonant frequency of 'Kosui' fruits at harvest was 680 Hz and the third resonant frequencies of 'Niitaka' and 'Shinko' fruits at harvest were 852 Hz and 841 Hz, respectively. Moreover, the elasticity index calculated from the second resonant frequency of 'Kosui' fruit at harvest was approximately 22 and the elasticity indexes calculated from the third resonant frequencies of 'Niitaka' and 'Shinko' fruit at harvest were approximately 56 and 49, respectively. From the results that the elasticity indexes of these three cultivars decreased during storage, the possibility was suggested that the elasticity index could be used as a new maturity indicator of Japanese pear fruits. Modified atmosphere packaging of fruits helped the development of skin blackening ('Niitaka'), diseases attributed to storage ('Shinko'), and core breakdown ('Kosui' and 'Shinko'). However, the water loss from fruits was prohibited by modified atmosphere packaging, and the decrease of elasticity index was also prohibited. From these results, it was suggested that decrease of the elasticity index in Japanese pear fruit is related to the water loss.","subitem_description_type":"Abstract"}]},"item_7_full_name_3":{"attribute_name":"\u8457\u8005\u5225\u540d","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"163164","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Kurosaka, Shun"}]},{"nameIdentifiers":[{"nameIdentifier":"163165","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Chino, Shuji"}]},{"nameIdentifiers":[{"nameIdentifier":"163166","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Ohta, Yuuki"}]},{"nameIdentifiers":[{"nameIdentifier":"163167","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Saito, Yotaro"}]},{"nameIdentifiers":[{"nameIdentifier":"163168","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Sakai, Yu"}]},{"nameIdentifiers":[{"nameIdentifier":"68","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Kojima, 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