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Difference of Quality Characteristics Between Normal and Nematode Infected Dihuang（Rehmanniae Radix）Based on Chemical Composition and Antioxidant Activity
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Hanxiao LIU1, 2, Wei ZHANG3, Suqing ZHI4, Bao ZHANG2, Qingpu LIU2, Jingwei LEI2, Juan ZHANG2, Caixia XIE1, 2
Chinese Archives of Traditional Chinese Medicine | 2026, 44(2) : 124 - 129
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Chinese Archives of Traditional Chinese Medicine | 2026, 44(2): 124-129
• Target on National Project •
Difference of Quality Characteristics Between Normal and Nematode Infected Dihuang（Rehmanniae Radix）Based on Chemical Composition and Antioxidant Activity
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Hanxiao LIU1, 2, Wei ZHANG3, Suqing ZHI4, Bao ZHANG2, Qingpu LIU2, Jingwei LEI2, Juan ZHANG2, Caixia XIE1, 2
Affiliations
  • 1.Henan University of Chinese Medicine/Henan Province Collaborative Innovation Center for The Whole Industry Chain Research and Development of Yu-Yao，Zhengzhou 450046，Henan，China
  • 2.Henan University of Chinese Medicine/Henan Provincial Engineering Technology Research Center for Quality Control and Evaluation of Traditional Chinese Medicine，Zhengzhou 450046，Henan，China
  • 3.Zhengzhou Health Vocational College，Zhengzhou 450122，Henan，China
  • 4.Jiaozuo Jiuru Huai-Yao Intangible Cultural Heritage Research Institute，Jiaozuo 454350，Henan，China
Published: 2026-02-10 doi: 10.13193/j.issn.1673-7717.2026.02.023
Outline
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Objective

To study the influence of nematode infection on the quality of Dihuang（Rehmanniae Radix），and to provide the basis for the quality control of Dihuang（Rehmanniae Radix）and the rational utilization of resources of Dihuang（Rehmanniae Radix）infected by nematode.

Methods

High Performance Liquid Chromatography（HPLC），High Performance Liquid Chromatography-Evaporative Light Scattering Detection（HPLC-ELSD），1-phenyl-3-methyl-5-pyrazolone（PMP）pre-column derivatization，2，2-Diphenyl-1-picrylhydrazyl（DPPH）antioxidant method combined with SPSS 27 and SIMCA 14.1 were used to systematically analyze the characteristics of iridoid glycosides，phenylethanol glycosides，free monosaccharides，oligosaccharides，polysaccharides，monosaccharide composition and antioxidant activity in normal Dihuang（Rehmanniae Radix）with different degrees of nematode infection.

Results

There were significant differences in the chemical quality characteristics of extremely severely infected Dihuang（Rehmanniae Radix），which could be divided into two categories. Rehmanniae A，Cistanche A，oliberoside，hydroxytyrosol，sucrose，glucose，catalcatalol，Rehmanniae D，stacitose and polysaccharide were the main differentiating components. When the sample concentration was more than 0.8 mg·mL-1，the antioxidant activity of extremely severely infected Dihuang（Rehmanniae Radix）was significantly lower than that of the other three Dihuang（Rehmanniae Radix）. Catalpol，echinoside，verbascoside，isocitroside，fructose，stachyose and polysaccharide showed a strong positive or negative correlation with DPPH free radical scavenging rate.

Conclusions

Nematode infection has a certain effect on the appearance and quality characteristics of Dihuang（Rehmanniae Radix），and iridoid glycosides and saccharides are the main difference substances between normal Dihuang（Rehmanniae Radix）and nematode infected Dihuang（Rehmanniae Radix）.

Dihuang（Rehmanniae Radix）  /  nematode diseases  /  high performance liquid chromatography  /  pre-column derivatization method  /  antioxidation
刘寒笑, 张威, 职素青, 张宝, 刘庆普, 雷敬卫, 张娟, 谢彩侠. 基于化学成分及抗氧化活性的正常地黄与线虫病感染地黄质量特征差异性分析. 中华中医药学刊, 2026 , 44 (2) : 124 -129 . DOI: 10.13193/j.issn.1673-7717.2026.02.023
Hanxiao LIU, Wei ZHANG, Suqing ZHI, Bao ZHANG, Qingpu LIU, Jingwei LEI, Juan ZHANG, Caixia XIE. Difference of Quality Characteristics Between Normal and Nematode Infected Dihuang（Rehmanniae Radix）Based on Chemical Composition and Antioxidant Activity[J]. Chinese Archives of Traditional Chinese Medicine, 2026 , 44 (2) : 124 -129 . DOI: 10.13193/j.issn.1673-7717.2026.02.023
Appendix
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Year 2026 volume 44 Issue 2
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Article Info
doi: 10.13193/j.issn.1673-7717.2026.02.023
  • Online Date：2026-10-14
  • Published：2026-02-10
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Affiliations
    1.Henan University of Chinese Medicine/Henan Province Collaborative Innovation Center for The Whole Industry Chain Research and Development of Yu-Yao，Zhengzhou 450046，Henan，China
    2.Henan University of Chinese Medicine/Henan Provincial Engineering Technology Research Center for Quality Control and Evaluation of Traditional Chinese Medicine，Zhengzhou 450046，Henan，China
    3.Zhengzhou Health Vocational College，Zhengzhou 450122，Henan，China
    4.Jiaozuo Jiuru Huai-Yao Intangible Cultural Heritage Research Institute，Jiaozuo 454350，Henan，China
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https://castjournals.cast.org.cn/joweb/zhzyyxk/EN/10.13193/j.issn.1673-7717.2026.02.023
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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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