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10.3390/foods13020266
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Article

Deciphering the Microbiological Mechanisms Underlying the Impact of Different Storage Conditions on Rice Grain Quality

by
Zhuzhu Qiu
1,
Fenghua Wu
2,3,
Hao Hu
2,3,
Jian Guo
2,3,
Changling Wu
2,3,
Peng Wang
2,3,
Jiangang Ling
4,
Yan Cui
4,
Jing Ye
5,
Guanyu Fang
2,* and
Xingquan Liu
3,*
1
College of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou 311300, China
2
College of Food & Health, Zhejiang A&F University, Hangzhou 311300, China
3
National Grain Industry (High-Quality Rice Storage in Temperate and Humid Region) Technology Innovation Center, Zhejiang A&F University, Hangzhou 311300, China
4
Ningbo Academy of Agricultural Sciences, Ningbo 315000, China
5
Zhejiang Tongqu Grain Storage Co., Ltd., Quzhou 324000, China
*
Authors to whom correspondence should be addressed.
Foods 2024, 13(2), 266; https://doi.org/10.3390/foods13020266
Submission received: 30 November 2023 / Revised: 28 December 2023 / Accepted: 10 January 2024 / Published: 15 January 2024
(This article belongs to the Section Food Microbiology)
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Abstract

Different storage conditions can influence microbial community structure and metabolic functions, affecting rice grains’ quality. However, the microbiological mechanisms by which different storage conditions affect the quality of rice grains are not yet well understood. This study monitored the quality (the content of starch, protein, etc.) and microbial community structure of rice grains stored under different storage conditions with nitrogen gas atmosphere (RA: normal temperature, horizontal ventilation, RB: normal temperature, vertical ventilation, RC: quasi-low temperature, horizontal ventilation). The results revealed that the rice grains stored under condition RB exhibited significantly lower quality compared to condition RA and RC. In addition, under this condition, the highest relative abundance of Aspergillus (16.0%) and Penicillium (0.4%) and the highest levels of aflatoxin A (3.77 ± 0.07 μg/kg) and ochratoxin B1 (3.19 ± 0.05 μg/kg) were detected, which suggested a higher risk of fungal toxin contamination. Finally, co-occurrence network analysis was performed, and the results revealed that butyl 1,2-benzenedicarboxylate was negatively correlated (p < 0.05) with Moesziomyces and Alternaria. These findings will contribute to the knowledge base of rice storage management and guide the development of effective control measures against undesirable microbial activities.
Keywords: rice grains storage; mycotoxins; microbial communities rice grains storage; mycotoxins; microbial communities
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MDPI and ACS Style

Qiu, Z.; Wu, F.; Hu, H.; Guo, J.; Wu, C.; Wang, P.; Ling, J.; Cui, Y.; Ye, J.; Fang, G.; et al. Deciphering the Microbiological Mechanisms Underlying the Impact of Different Storage Conditions on Rice Grain Quality. Foods 2024, 13, 266. https://doi.org/10.3390/foods13020266

AMA Style

Qiu Z, Wu F, Hu H, Guo J, Wu C, Wang P, Ling J, Cui Y, Ye J, Fang G, et al. Deciphering the Microbiological Mechanisms Underlying the Impact of Different Storage Conditions on Rice Grain Quality. Foods. 2024; 13(2):266. https://doi.org/10.3390/foods13020266

Chicago/Turabian Style

Qiu, Zhuzhu, Fenghua Wu, Hao Hu, Jian Guo, Changling Wu, Peng Wang, Jiangang Ling, Yan Cui, Jing Ye, Guanyu Fang, and et al. 2024. "Deciphering the Microbiological Mechanisms Underlying the Impact of Different Storage Conditions on Rice Grain Quality" Foods 13, no. 2: 266. https://doi.org/10.3390/foods13020266

APA Style

Qiu, Z., Wu, F., Hu, H., Guo, J., Wu, C., Wang, P., Ling, J., Cui, Y., Ye, J., Fang, G., & Liu, X. (2024). Deciphering the Microbiological Mechanisms Underlying the Impact of Different Storage Conditions on Rice Grain Quality. Foods, 13(2), 266. https://doi.org/10.3390/foods13020266

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