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Optimization of decolorization process and antioxidant activity of Cistanche deserticola polysaccharide extract by response surface methodology
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Yan-Zhen CHEN1, Wen-Juan MAN1, Lei-Na CHENG1, Shu-Xian WANG2, *, Jian-Teng WEI1, 3, *, Xiang-Jun ZENG4
Journal of Food Safety & Quality | 2025, 16(5) : 94 - 103
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Journal of Food Safety & Quality | 2025, 16(5): 94-103
• Special Topic: Functional Foods and Functional Components •
Optimization of decolorization process and antioxidant activity of Cistanche deserticola polysaccharide extract by response surface methodology
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Yan-Zhen CHEN1, Wen-Juan MAN1, Lei-Na CHENG1, Shu-Xian WANG2, *, Jian-Teng WEI1, 3, *, Xiang-Jun ZENG4
Affiliations
  • 1. Special Food Research Institute, Qingdao Agricultural University, Qingdao 266109, China
  • 2. Marine Science Research Institute of Shandong Province, Qingdao 266104, China
  • 3. Qingdao Special Food Research Institute, Qingdao 266109, China
  • 4. Inner Mongolia Damohun Biotech Co., Ltd., Alashan 750300, China
Published: 2025-03-15 doi: 10.19812/j.cnki.jfsq11-5956/ts.20241121003
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Objective To optimize the decolorization process of Cistanche deserticola polysaccharides and explore their antioxidant activity. Methods Using activated carbon as a decolorizing agent, the effects of 4 factors including activated carbon dosage, decolorization temperature, decolorization time, and pH on decolorization rate and polysaccharide recovery rate were investigated. Based on single factor experiments, the decolorization process of Cistanche deserticola polysaccharide extract was optimized using response surface methodology. Using an in vitro antioxidant activity evaluation method, the free radical scavenging ability of 1,1-diphenyl-2-picrylhydrazine (DPPH), total reducing ability, hydroxyl radical scavenging ability, and 2,2'-azino bis(3-ethylbenzothiazole- 6-sulfonic acid) diammonium salt (ABTS) cation free radical scavenging ability of the polysaccharides from Cistanche deserticola were determined. Results The optimal decolorization process conditions for the extract of polysaccharides from Cistanche deserticola were as follows: Active carbon dosage 20%, decolorization temperature 37 ℃, decolorization time 49 min, pH 5.03. Under these optimal conditions, the decoloizration rate and polysaccharide recovery rate were 62.66% and 96.16%, respectively. After decolorization, the capabilities of scavenging DPPH radical and hydroxyl free radical was significantly increased, while the capabilities of scavenging ABTS anion radical was significantly decreased. Conclusion The decolorization process is easy to operate, with good decolorization effects and polysaccharide recovery rate. It has important application value and provides basis for the later research and development of Cistanche deserticola polysaccharide.

Cistanche deserticola polysaccharide  /  decolorization  /  response surface methodology  /  antioxidant activity
Yan-Zhen CHEN, Wen-Juan MAN, Lei-Na CHENG, Shu-Xian WANG, Jian-Teng WEI, Xiang-Jun ZENG. Optimization of decolorization process and antioxidant activity of Cistanche deserticola polysaccharide extract by response surface methodology[J]. Journal of Food Safety & Quality, 2025 , 16 (5) : 94 -103 . DOI: 10.19812/j.cnki.jfsq11-5956/ts.20241121003
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Year 2025 volume 16 Issue 5
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Article Info
doi: 10.19812/j.cnki.jfsq11-5956/ts.20241121003
  • Receive Date：2024-11-21
  • Online Date：2025-07-19
  • Published：2025-03-15
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  • Received：2024-11-21
Funding
Affiliations
    1. Special Food Research Institute, Qingdao Agricultural University, Qingdao 266109, China
    2. Marine Science Research Institute of Shandong Province, Qingdao 266104, China
    3. Qingdao Special Food Research Institute, Qingdao 266109, China
    4. Inner Mongolia Damohun Biotech Co., Ltd., Alashan 750300, 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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