Abstract
[Objective] To develop the medicinal and food resources of Lonicera japonica, improve the yield of polysaccharides, determine the antioxidant activity of different organs, and reduce the waste of natural Chinese medicine resources. [Methods] Different organs of L. japonica are utilized as raw materials, with polysaccharide yield as the primary investigation index. The response surface method is used to determine the optimal extraction process. The in vitro antioxidant activity of different organs is assessed and analyzed by metrological methods. [Results] The optimal extraction conditions are as follows:solid-liquid ratio of 1∶25 （g/mL ）, ultrasonic temperature of 80 ℃, ultrasonic time of 60 min, ultrasonic power of 190 W. Under these conditions, the polysaccharide yield is as high as 7. 01%. The antioxidant activity results demonstrate that different organs of L. japonica exhibit antioxidant effect, with the strength ranking as:leaves ≈flowers >vines >fruits. Cluster analysis shows that L. japonica leaves and flowers are classified into one category, making them preferred resources for extracting L. japonica polysaccharides. [Conclusion] The ultrasound-assisted method for extracting L. japonica polysaccharides achieves high yield, and the extracts from different organs maintain high antioxidant capacity.
Publication Date
11-19-2025
First Page
150
Last Page
156
DOI
10.13652/j.spjx.1003.5788.2024.80975
Recommended Citation
Xiaoxia, ZHANG; Jin, LI; and Lifang, LOU
(2025)
"Optimization of Lonicera japonica polysaccharide extraction process and antioxidant activity of polysaccharide extracts from different organs,"
Food and Machinery: Vol. 41:
Iss.
10, Article 20.
DOI: 10.13652/j.spjx.1003.5788.2024.80975
Available at:
https://www.ifoodmm.cn/journal/vol41/iss10/20
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