从北极棕色大藻中提取的多糖提取物和纯化部分的化学特性和生物活性潜力
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Archana Singh1, Ashok S Jagtap2, Kailash Rajpurohit3
1National Centre for Polar and Ocean Research, Ministry of Earth Sciences, Vasco-da-Gama 403804, Goa, India; School of Chemical Sciences, Goa University, Taleigao 403001, Goa, India; Chemical Oceanography Division, CSIR-National Institute of Oceanography, Dona Paula 403004, Goa, India.
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概括
北极大藻类的多糖体具有显著的抗氧化和抗糖特性. 原始提取物比纯化部分具有更高的生物活性,这表明成分之间的协同相互作用.
科学领域:
- 海洋生物学 海洋生物学
- 物理学的生理学
- 生物化学 生物化学
背景情况:
- 极地藻面临极端条件,可能会改变多糖体结构和生物活性.
- 研究了六种北极棕色大藻,包括研究不足的物种,如Chorda filum和Chorda flageliformis.
- 多糖是海藻中的关键生物活性化合物.
研究的目的:
- 研究来自六种北极棕色大藻的多糖体的结构和生物活性特性.
- 为了比较原始多糖提取物 (CPE) 与纯化多糖分 (PPF) 的生物活性.
- 探索这些大藻类在制药和营养药品应用中的潜力.
主要方法:
- 使用超声波提取原始多糖提取物 (CPE) 的水提取.
- 单糖化合物组合分析通过高性能阳离子交换染色学与脉冲放电检测 (HPAEC-PAD).
- 使用离子交换染色学净化多糖,以获得纯化的多糖分 (PPF).
- 使用DPPH,ABTS和H2O2测定对抗氧化剂活性的评估.
- 通过α-葡萄糖酶抑制试验评估抗血糖活性.
主要成果:
- 富含富科伊丹和酸盐的CPE,含有少量多,没有颜料.
- CPE表现出高的抗氧化活性 (高达66%) 和显著的抗血糖活性 (93%的抑制).
- 与CPE相比,PPF的多糖纯度增加,但抗氧化和抗糖活性较低.
结论:
- 北极大藻类拥有具有显著抗氧化和抗糖能力的多糖体.
- 聚糖和原料提取物中的其他化合物之间的协同相互作用可能会增强生物活性.
- 对这些协同效应的进一步研究可能会为极地海藻多糖解锁新的治疗应用.
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