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Objective To investigate the effects of different storage methods on the quality safety of high-moisture harvested Zea mays L.. Methods The Zhengdan 958 (ZD958) Zea mays L. variety was selected for the experiment, and the Zea mays L. harvested under the same moisture content was stored as ear Zea mays L. and grain Zea mays L.. Changes in fungi species, quantity, and mycotoxin content were measured. Results Predominant fungi during Zea mays L. storage were Fusarium, Aspergillus, and Penicillium. In the early stage of storage, the dominant fungal genus was Fusarium, and with the extension of storage time, the dominant fungal genera changed to Aspergillus and Penicillium; with the increase of storage days, the total number of fungi in Zea mays L. stored in ear and grain storage showed a trend of first increasing and then decreasing. The number of fungi in Zea mays L. stored in ears was significantly lower than that in Zea mays L. stored in grains (P<0.05). During the storage period of 10-100 days, the number of fungi in Zea mays L. stored in ears decreased by 90.3%-98.6% compared to Zea mays L. stored in grains; with the increase of storage days, except for gibberellin in Zea mays L. kernels stored in ear, the content of vomitoxin and gibberellin in Zea mays L. showed an increasing trend. The content of vomitoxin and gibberellin in Zea mays L. stored in ears was significantly lower than that in Zea mays L. stored in grains (P<0.05). And with the increase of storage days, the difference in the content of vomitoxin and gibberellin in Zea mays L. under the two storage methods increases. Conclusion After high-moisture harvesting, ear storage can reduce fungi quantity and mycotoxin content, ensuring the quality safety of Zea mays L..
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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