一种来自Wisteriopsis eurybotrya的新型多糖体:提取优化,结构特征和生物活性.
Yuping Chen1, Hanlei Wang1, Xia Zhao2
1Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, 650223, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
Carbohydrate research
|February 4, 2026
概括
维斯特里奥普西斯 (Wisteriopsis eurybotrya polysaccharides,简称WEP) 已被优化用于提取. 一个纯化的分量,WEP-1-1,显示出显著的低血糖和免疫调节作用,使其成为一个有前途的天然功能材料.
科学领域:
- 植物衍生的多糖类.
- 生物化学 生物化学
- 免疫学 免疫学 免疫学
背景情况:
- 来自Wisteriopsis eurybotrya (WEP) 的多糖因其潜在的健康益处而引起人们的兴趣.
- 优化开采条件对于最大限度地提高产量和活动至关重要.
- 了解结构-活动关系是开发功能性材料的关键.
研究的目的:
- 为了优化Wisteriopsis eurybotrya polysaccharides (WEP) 的热水提取条件.
- 为了分离和描述一个纯化的多糖分 (WEP-1-1).
- 评估WEP-1-1.1的体外低血糖和免疫调节活性.
主要方法:
- 使用单因素测试和响应表面方法来优化WEP提取.
- 净化了WEP-1-1并使用诸如分子量测定和单糖组成分析等技术来描述其结构.
- 在C2C12神经管,L02细胞和RAW264.7细胞进行了体外试验,以评估葡萄糖吸收和免疫反应 (细胞,NO,TNF-α产生).
主要成果:
- 确定WEP的最佳提取条件为92°C,241分钟,以及43mL/g的液体-固体比.
- 纯化WEP-1-1的重量平均分子量为130.3kDa,由Glc,Ara,Gal,Rha,Xyl和Man组成.
- WEP-1-1显著增强了肌管和肝细胞的葡萄糖吸收,并促进了巨细胞的细胞分裂和促炎性细胞因子的产生.
结论:
- 通过促进葡萄糖吸收,WEP-1-1表现出显著的低血糖活性.
- WEP-1-1显示出强大的免疫刺激作用,增强细胞免疫反应.
- WEP-1-1是一种有前途的天然功能材料,具有双重低血糖和免疫调节性质.
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