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广叶绣球菌多糖磷酸化修饰及体外抗氧化和降糖活性

Phosphorylation of Sparassis latifolia Polysaccharides and Their Antioxidant and Hypoglycemic Activities In vitro

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对广叶绣球菌(Sparassis latifolia)多糖(SLPs)进行磷酸化修饰,表征磷酸化SLPs(P-SLPs)结构,分析其体外抗氧化、降糖活性.结果表明:与SLPs比较,P-SLPs的磷酸根质量分数较高,为(8.02±0.48)%;在相同质量浓度时,P-SLPs对DPPH、超氧阴离子、羟基自由基和H2O2的清除率均较高,对α-淀粉酶和α-葡萄糖苷酶的抑制率均较高.研究结果可为广叶绣球菌多糖进一步开发应用提供参考.
Sparassis latifolia polysaccharides(SLPs)were modified by phosphorylation,and then characterized for structure,and analyzed for antioxidant and hypoglycemic activities in vitro.The results showed that compared with SLPs,phosphorylated SLPs(P-SLPs)had a higher mass fraction of phosphate ions,which was(8.02±0.48)%.Under the same mass concentration,P-SLPs showed higher abilities on scavenging DPPH radicals,superoxide anion radicals,hydroxyl radicals,and H2O2 than SLPs.The inhibitory activities of P-SLPs on a-amylase and a-glucosidase were also significantly promoted compared with SLPs.The research results provided a reference for further development and application of SLPs.

Sparassis latifolia polysaccharidesphosphorylation modificationantioxidationhypoglycemic activity

崔芳铭、毕书瑜、侯江燕、曹谨玲、程艳芬、程菲儿、云少君、冯翠萍

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山西农业大学食品科学与工程学院,山西晋中 030801

黄土高原食用菌山西省重点实验室,山西晋中 030801

广叶绣球菌多糖 磷酸化修饰 抗氧化 降糖活性

山西省现代农业产业技术体系建设项目山西省基础研究计划食用菌山西省科技创新重点团队项目

2023CYJSTX09202103021224126201805D131009

2024

食用菌学报
上海市农业科学院食用菌研究所,上海市农业科学院农业科技信息研究所

食用菌学报

CSTPCD北大核心
影响因子:0.771
ISSN:1005-9873
年,卷(期):2024.31(3)