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Analysis of the Differences and Correlations of Fungal Community Structure and Physicochemical Properties of Medium-temperature Daqu from Luzhou and Nanyang Regions
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Yurong WANG1, 2, 3, Jianhui ZHANG4, Kai ZHANG1, 2, 3, Qiangchuan HOU1, 2, 3, Zhuang GUO1, 2, 3, *
Science and Technology of Food Industry | 2026, 47(7) : 186 - 195
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Science and Technology of Food Industry | 2026, 47(7): 186-195
• Bioengineering •
Analysis of the Differences and Correlations of Fungal Community Structure and Physicochemical Properties of Medium-temperature Daqu from Luzhou and Nanyang Regions
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Yurong WANG1, 2, 3, Jianhui ZHANG4, Kai ZHANG1, 2, 3, Qiangchuan HOU1, 2, 3, Zhuang GUO1, 2, 3, *
Affiliations
  • 1Brewing Technology Industrial College, Hubei University of Arts and Sciences, Xiangyang 441053, China
  • 2Hubei Provincial Engineering and Technology Research Center for Food Ingredients, Hubei University of Arts and Science, Xiangyang 441053, China
  • 3Xiangyang Lactic Acid Bacteria Biotechnology and Engineering Key Laboratory, Hubei University of Arts and Science, Xiangyang 441053, China
  • 4Baijiu Multi-grain Brewing Engineering and Technology Research Center of Henan Province, Nanyang 473399, China
Published: 2026-04-01 doi: 10.13386/j.issn1002-0306.2025030204
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In this study, PacBio SMRT sequencing technology and conventional physicochemical analysis methods were employed to conduct a comparative analysis of the fungal community structure and physicochemical characteristics of medium-temperature Daqu samples from Luzhou and Nanyang regions. Furthermore, principal coordinate analysis (PCoA) and correlation analysis were performed to reveal the association between dominant fungal species and physicochemical properties. The results of fungal community analysis showed that the fungal communities in medium-temperature Daqu from both Luzhou and Nanyang regions were dominated by Thermoascus aurantiacus, Thermomyces lanuginosus, and Saccharomycopsis fibuligera, with cumulative average relative abundances of 64.59% and 83.58%, respectively. Additionally, Rasamsonia composticola and Issatchenkia orientalis were identified as fungal biomarkers for medium-temperature Daqu from Luzhou and Nanyang regions, respectively. Physicochemical analysis results indicated that, compared to medium-temperature Daqu from Nanyang, Daqu from Luzhou exhibited significantly higher water activity, moisture content, bound water content, ash content, starch content, amino acid nitrogen content, and protein content (P<0.05), while density, crust hardness, free water content, liquefaction power, esterification power, and saccharification power were significantly lower (P<0.05). Correlation analysis revealed complex relationships between dominant fungal species and physicochemical indicators in medium-temperature Daqu. This study provides important supporting data for understanding the differences in fungal communities and physicochemical properties of medium-temperature Daqu across different regions.

medium-temperature Daqu  /  PacBio SMRT sequencing technology  /  fungal community structure  /  physicochemical properties  /  correlation analysis
王玉荣, 张建辉, 张凯, 侯强川, 郭壮. 泸州和南阳地区中温大曲真菌群落结构和理化品质的差异性及相关性分析. 食品工业科技, 2026 , 47 (7) : 186 -195 . DOI: 10.13386/j.issn1002-0306.2025030204
Yurong WANG, Jianhui ZHANG, Kai ZHANG, Qiangchuan HOU, Zhuang GUO. Analysis of the Differences and Correlations of Fungal Community Structure and Physicochemical Properties of Medium-temperature Daqu from Luzhou and Nanyang Regions[J]. Science and Technology of Food Industry, 2026 , 47 (7) : 186 -195 . DOI: 10.13386/j.issn1002-0306.2025030204
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Year 2026 volume 47 Issue 7
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Article Info
doi: 10.13386/j.issn1002-0306.2025030204
  • Receive Date：2025-03-17
  • Online Date：2026-10-24
  • Published：2026-04-01
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  • Received：2025-03-17
Affiliations
    1Brewing Technology Industrial College, Hubei University of Arts and Sciences, Xiangyang 441053, China
    2Hubei Provincial Engineering and Technology Research Center for Food Ingredients, Hubei University of Arts and Science, Xiangyang 441053, China
    3Xiangyang Lactic Acid Bacteria Biotechnology and Engineering Key Laboratory, Hubei University of Arts and Science, Xiangyang 441053, China
    4Baijiu Multi-grain Brewing Engineering and Technology Research Center of Henan Province, Nanyang 473399, China
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表12种不同金属材料的力学参数
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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