Possible Consequences Of Atmospheric Co2 Level Increment On Chemical Composition And Functional Properties Of Maize (zea Mays L.) And Wheat (triticum Aestivum L.) Varieties In The Past Thirty Years Collected From Ambo Distric

Human activities contribute to climate change by causing changes in earth‟s atmosphere in the amounts of Green House Gases. Increment in atmospheric carbondioxide due to different anthropogenic activities are affecting yield of crops by increasing the rate of photosynthesis. This condition frequently alters chemical compositions of crops as a result of increase concentration of carbon in their tissues, with correspondingly reduced concentrations of other essential elements like protein and minerals. Based on this fact, this study was conducted in order to evaluate the possible consequences of increasing atmospheric carbondioxide level on chemical composition and functional properties of bread wheat (Triticum aestivum L.) and maize (Zea mays L.) from the past thirty years with five year intervals. The samples were collected from gene bank of Ethiopian biodiversity institute, which was collected from Ambo district, West Shoa Zone of Oromia. The official methods used were AOAC (2000, 2010, 2016), Elena (2012), AOAC (2001) and (Sathe et al., 1982a), (Adeleke et al., 2010), (Maninder et al., 2007) for Proximate composition, mineral analysis, total glucose and functional properties analysis respectively. Both samples with two different carbon fixation photosynthetic pathways show a significant (p

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