相关实验视频

Updated: Jul 15, 2025

Glycan Profiling of Plant Cell Wall Polymers using Microarrays

Glycan Profiling of Plant Cell Wall Polymers using Microarrays

Published on: December 17, 2012

莲花和莲花种子衍生的多糖:结构特征和生物活性

Zhiqiang Zhang¹, Li Wang², Dai Zeng¹

¹College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450045, China.

|September 28, 2023

概括

莲花和种中的多糖体具有强大的抗氧化和细胞增殖特性. 这些化合物还通过TLR4/NF-κB通路诱导自,突出显示了它们的治疗潜力.

科学领域:

生物化学和自然产品化学化学
药理学和毒理学药理学和毒理学

背景情况:

莲花 (Nelumbo nucifera) 是一种具有传统医疗用途的植物.
多糖是复杂的碳水化合物,具有多样化的生物活动.
研究莲花衍生的多糖类可以揭示新的治疗剂.

研究的目的:

从莲花 (LFP) 和莲花种 (LSP) 中分离和表征多糖.
评估LFP和LSP的抗氧化剂,细胞增殖和免疫调节作用.
阐明由LFP和LSP诱导自的机制.

主要方法:

提取水和酒精沉以分离多糖.
单糖化合物组成分析,分子量测定,SEM和XRD用于结构特征.
在体外抗氧化剂测试 (ABTS+,DPPH,基清除,降低功率),细胞活力测试,以及西方抹黑/RT-PCR用于途径分析.

主要成果:

LFP和LSP是复杂的多糖,由9种不同的单糖组成,具有不同的分子量.
这两种多糖都表现出显著的抗氧化能力,并促进细胞增殖,没有细胞毒性.
通过激活TLR4/NF-κB信号通路,LFP和LSP有效地诱导RAW264.7细胞的自.

结论:

莲花和种多糖具有宝贵的生物活性特性,包括抗氧化和增强细胞效果.
作为治疗应用的天然化合物,LFP和LSP显示出前景,特别是在通过自诱导调节免疫反应方面.

关键词:

生物活动是生物活动.提取提取提取提取莲花花莲花的花朵莲花的种子.聚糖是一种多糖.净化净化净化净化结构的结构结构的结构.

更多相关视频

Extraction and Quantification of Soluble, Radiolabeled Inositol Polyphosphates from Different Plant Species using SAX-HPLC

Extraction and Quantification of Soluble, Radiolabeled Inositol Polyphosphates from Different Plant Species using SAX-HPLC

Published on: June 26, 2020

Author Spotlight: MAPP Protocol – Advancing Glycan Analysis

Author Spotlight: MAPP Protocol – Advancing Glycan Analysis

Published on: September 29, 2023

相关概念视频

Biosynthesis of Polysaccharides

Biosynthesis of Polysaccharides

Polysaccharides such as glycogen and starch are synthesized from nucleoside diphosphate sugars, primarily uridine diphosphate glucose (UDPG) and adenosine diphosphate glucose (ADPG). These activated glucose donors act as key intermediates in carbohydrate metabolism and biosynthesis. UDPG primarily involves glycogen synthesis in animals and many bacteria, while ADPG plays a fundamental role in starch synthesis in plants and certain bacteria.UDPG is formed when glucose-1-phosphate reacts with...

Cellulose and Pectic Polysaccharides

Cellulose and Pectic Polysaccharides

Every plant cell has a cell wall that protects the cell, provides structural support, and gives the cell shape. Cellulose, the main structural component of the plant cell wall, makes up over 30% of plant matter. It is the most abundant organic compound on earth. Cellulose is an unbranched polysaccharide composed of linear chains of glucose molecules linked by β (1→4) glycosidic bonds.
As a cell matures, its cell wall specializes according to its type. For example, the...

Seed Structure and Early Development of the Sporophyte

Seed Structure and Early Development of the Sporophyte

Seed structures are composed of a protective seed coat surrounding a plant embryo, and a food store for the developing embryo. The embryo contains the precursor tissues for leaves, stem, and roots. The endosperm and cotyledons—seed leaves—act as the food reserves for the growing embryo.