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Antioxidant Response Mechanism In Apples During Post-Harvest Storage And Implications For Human Health Benefits, Ishan Adyanthaya
Antioxidant Response Mechanism In Apples During Post-Harvest Storage And Implications For Human Health Benefits, Ishan Adyanthaya
Masters Theses 1911 - February 2014
The biochemical factors affecting post-harvest preservation in apples indicated that well-preserved varieties of apples had increased superoxide dismutase (SOD) activity initially and the activity declined during later storage as apples deteriorated. The SOD link to better preservation correlated with higher phenolic content and free-radical scavenging linked antioxidant activity. Well-preserved varieties were able to maintain a more stable pentose phosphate pathway (PPP) (measured by the activity of glucose-6-phosphate dehydrogenase, G6PDH) throughout the storage period. Proline content increased in all varieties with an increase in proline dehydrogenase (PDH) activity in the initial period indicating proline catabolism supporting potential ATP synthesis. During later …