Abstract
[Objective] This study investigates the effects of various extraction methods on the chemical composition and functional characteristics of polysaccharides derived from Polygonatum kingianum, specifically the white flower and purple-red flower varieties. [Methods] P. kingianum polysaccharides (PKPs ) are extracted with traditional hot water, alkaline, acidic, enzymatic, ultrasonic, and hot water-alkaline extraction methods, and a comparative evaluation is made on their extraction yield, chemical composition (including total sugar, sulfate, and uronic acid content ), and biological properties (including DPPH radical scavenging activity, α-glucosidase inhibitory activity, and tyrosinase inhibitory activity ). [Results] The extraction yield of PKPs and their chemical composition are significantly influenced by extraction methods and varieties. PKPs extracted with the hot water method from the white flower and purple-red flower varieties exhibit relatively higher extraction yields (23. 27% and 9. 58%, respectively ), along with elevated total sugar content (54. 53% and 68. 59%, respectively ), sulfate content (7. 28% and 35. 41%, respectively ), and uronic acid content (8. 26% and 10.84%, respectively ). Additionally, the DPPH radical scavenging activity, α-glucosidase inhibitory activity, and tyrosinase inhibitory activity of PKPs are also influenced by extraction methods and varieties. A comprehensive quantitative evaluation reveals that PKPs derived from the purple-red 何雪梅 （1981 —）, 女, 广西农业科学院农产品加工研究所研究员, 硕士。E-mail：xuemeihegx@gxaas. netflower variety exhibit stronger performance in the three aspects. Both enzymatic and traditional hot water extraction methods are effective for producing high-quality PKPs. [Conclusion] Enzymatic and traditional hot water extraction methods are the most effective techniques for extracting PKPs.
Publication Date
11-19-2025
First Page
167
Last Page
173
DOI
10.13652/j.spjx.1003.5788.2024.81313
Recommended Citation
Yayuan, TANG; Zhen, WEI; Jian, YUE; Juan, SU; Jian, SUN; and Xuemei, HE
(2025)
"Optimization of extraction method for Polygonatum kingianum polysaccharides based on comprehensive functional characteristics,"
Food and Machinery: Vol. 41:
Iss.
10, Article 22.
DOI: 10.13652/j.spjx.1003.5788.2024.81313
Available at:
https://www.ifoodmm.cn/journal/vol41/iss10/22
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