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Optimization of Macroporous Resin Purification Process and in Vitro Activity Study of Total Flavonoids from Citrus reticulata cv. Ponkan Peel
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Jiaqiong ZHANG1, 2, Chenxing LIU2, Yan CAO2, Xiaoqiang XU3, Yuewen SHU3, Jun ZHANG2, Xuechun ZHANG1, *, Qile XIA2, *
Science and Technology of Food Industry | 2026, 47(2) : 239 - 248
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Science and Technology of Food Industry | 2026, 47(2): 239-248
• Processing Technology •
Optimization of Macroporous Resin Purification Process and in Vitro Activity Study of Total Flavonoids from Citrus reticulata cv. Ponkan Peel
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Jiaqiong ZHANG1, 2, Chenxing LIU2, Yan CAO2, Xiaoqiang XU3, Yuewen SHU3, Jun ZHANG2, Xuechun ZHANG1, *, Qile XIA2, *
Affiliations
  • 1Southwest Forestry University, Kunming 650224, China
  • 2Key Laboratory of Post-harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Postharvest Preservation and Processing of Vegetables (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Zhejiang Key Laboratory of Intelligent Food Logistic and Processing, Key Laboratory of Postharvest Preservation and Processing of Fruits and Vegetables, China National Light Industry, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
  • 3Zhejiang ZaoChun Agricultural Development Limited Company, Quzhou 324000, China
Published: 2026-01-15 doi: 10.13386/j.issn1002-0306.2025010149
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To investigate the desirable purification process of ponkan Chenpi flavonoids (PCf) and their in vitro antioxidant and hypoglycemic activities, this study extracted PCf using ultrasound-assisted solvent extraction. Four types of macroporous resins were evaluated for their static adsorption-desorption efficiency toward PCf, and HPD-500 resin was identified as the optimal carrier. Single-factor experiments were subsequently conducted to optimize the purification parameters. The antioxidant activity of PCf (before and after purification) were assessed using DPPH radical scavenging rate, ABTS+ radical scavenging rate, and ferric ion reducing capacity. The α-glucosidase inhibitory activity was evaluated. Results demonstrated that HPD-500 resin achieved the highest purification efficiency for PCf under optimized conditions: 2 of pH, 80% ethanol concentration, sample loading flow rate of 4 mL/min, elution flow rate of 3 mL/min, and a sample-to-eluent volume ratio of 1:1.6. Post-purification, the reducing sugar content of PCf was significantly reduced, while the total flavonoid content increased (132.2±9.62 mg RE/g DW). Purified PCf exhibited stronger antioxidant and hypoglycemic activities, with 93.75%±0.82% of ABTS+ radical scavenging rate reaching, 77.42%±0.91% of DPPH radical scavenging rate, double ferric ion reducing capacity, and 66.84%±0.67% of α-glucosidase inhibitory rate. In summary, HPD-500 resin is suitable for the preliminary separation and purification of ponkan Chenpi flavonoids, and the purified substance demonstrates significant antioxidant activity and inhibitory effect of α-glucosidase, providing a valuable reference for the further development of ponkan Chenpi-based functional products.

ponkan flavonoids  /  separation and purification  /  antioxidant  /  hypoglycemic
张嘉琼, 刘晨星, 曹艳, 徐晓强, 舒月文, 张俊, 张雪春, 夏其乐. 椪柑陈皮总黄酮大孔树脂纯化工艺优化及其体外活性分析. 食品工业科技, 2026 , 47 (2) : 239 -248 . DOI: 10.13386/j.issn1002-0306.2025010149
Jiaqiong ZHANG, Chenxing LIU, Yan CAO, Xiaoqiang XU, Yuewen SHU, Jun ZHANG, Xuechun ZHANG, Qile XIA. Optimization of Macroporous Resin Purification Process and in Vitro Activity Study of Total Flavonoids from Citrus reticulata cv. Ponkan Peel[J]. Science and Technology of Food Industry, 2026 , 47 (2) : 239 -248 . DOI: 10.13386/j.issn1002-0306.2025010149
Appendix
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Year 2026 volume 47 Issue 2
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doi: 10.13386/j.issn1002-0306.2025010149
  • Receive Date：2025-01-17
  • Online Date：2026-10-24
  • Published：2026-01-15
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  • Received：2025-01-17
Affiliations
    1Southwest Forestry University, Kunming 650224, China
    2Key Laboratory of Post-harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Postharvest Preservation and Processing of Vegetables (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Zhejiang Key Laboratory of Intelligent Food Logistic and Processing, Key Laboratory of Postharvest Preservation and Processing of Fruits and Vegetables, China National Light Industry, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
    3Zhejiang ZaoChun Agricultural Development Limited Company, Quzhou 324000, 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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