天然高分子化合物

多糖是中药中一类天然高分子化合物，是维持生命正常运转的基本物质之一，具有调节免疫系统功能、抗氧化以及抗衰老等作用，具有巨大的开发潜力。

Polysaccharide , one class of natural polymers in Chinese herbs , is the basic material to maintain normal operation of the lives , and has better regulation of the immune system function and anti-aging effects . So , there is a tremendous potential development in the herbal plant polysaccharides .

淀粉是价格低廉、来源广泛的天然高分子化合物，既可以被生物降解并且又可再生，使淀粉变性是拓展淀粉应用范围的主要途径之一。

Starch is a natural polymers with low price , and it can be biodegradable and renewable .

褐藻胶是一种亲水性天然高分子化合物，具有良好的增稠性、凝胶性和成膜性。

Alginate is a hydrophilic natural high molecular compound has good thickening , gelling and film forming properties .

甲壳素是自然界中除纤维素外最丰富的天然高分子化合物，壳聚糖是甲壳素脱乙酰基后的产物。

Chitin is the most abundant natural polymer except cellulose . Chitosan is the deacetylated product of chitin .

以天然高分子化合物壳聚糖为原料，在碱性条件下，经环氧氯丙烷交联制得水不溶性的交联壳聚糖；

Crosslinked with epichlorohydrin in alkaline condition , the crosslinked chitosan unsolvable in water is made with crude macromolecule compound chitosan .

壳聚糖是天然高分子化合物，具有无毒性、亲水性、生物相容性、生物可降解性等性质。

Chitosan is a natural polymer compound , which possess non-toxicity , hydrophilicity , biocompatibility , biodegradation properties and so on .

果胶是一类富含多聚半乳糖醛酸的天然高分子化合物，是植物细胞壁的重要组成部分。

Pectin is a natural polymer riched in polygalacturonic acid , and it is an important component of plant cell walls .

壳聚糖是自然界中产量仅次于纤维素的第二大天然高分子化合物，是一种高效的天然抗菌剂。

Chitosan is the second polymer and its amount is only inferior to cellulose in nature , it is a good antimicrobial .

以虾壳为主要原料制得的天然高分子化合物甲壳素和壳聚糖，资源丰富，应用范围十分广阔。

Natural polymers , chitin and chitosan , obtained from shells of crab and shrimp has been widely used in various fields .

瓜尔胶具有独特的分子结构，是目前已知的水溶性较好的天然高分子化合物之一。

Guar gum is of a unique molecular structure , it is one of the well water-soluble compounds of natural polymers known .

本文论述以壳聚糖为原料制备壳聚糖铬络合物的方法及该种鞣剂的鞣制效果。壳聚糖为天然高分子化合物，对金属离子有很强的螯合作用。

The preparation of the chitin chrome complex tanning agent with chitin , and the tanning effects have been discussed in this paper .

淀粉作为一种天然高分子化合物用于工业生产各个领域已有很长的历史。

There had a long history that starch was used in industrial production for using as a kind of preferred crude macromolecule compound .

并提出絮凝剂逐渐由无机向有机和天然高分子化合物，由单一型向复合型转化的发展方向。

At last , the developing direction of flocculants was discussed from inorganic compound to organic compound and natural polymer compound , from single to compound .

淀粉是一种天然高分子化合物，特点是廉价易得、易于生物降解和对环境无污染，因此日益成为人们重视的原材料。

Starch as a cheap , easily biodegradable and no environmental pollution natural polymer has become an important raw material and widely used in many areas through starch modification .

作为一种资源极其丰富的天然高分子化合物，甲壳素的研究与开发受到各国的普遍重视，其经脱乙酰化的产物&壳聚糖因具独特的物化及生物学特性而被广泛应用。

Chitin is a natural polymer that has rich resources , its research and development have been paid much attention to in the world , the deacetylation product of which-chitosan is widely used for its distinctive physicochemical and biological characteristics .

档案载体大多为纸质，纸张的主要成分是一种天然高分子化合物，即纤维素，大多数档案害虫的消化道可分泌出能使纤维素水解的酶，导致纤维素最终分解为葡萄糖以供其活动所需。

The major components of the paper is a kind of natural polymers , namely the cellulose . Most of the archives digestive tract pests secreted can make cellulose enzyme hydrolysis , resulting in cellulose decomposition for glucose to end for its activities required .

多糖是一种天然的高分子化合物，是一种中药活性成分。

Polysaccharide , as the natural high molecular compound , is a kind of Chinese traditional medicine active component .

介绍了天然有机高分子化合物&甲壳素和壳聚糖的制备、化学结构和特性，阐述了其在水处理中的应用及发展前景。

Preparation methods , chemical structures and charateristics of chitin and chitosan , natural organic polymer compounds , are presented . Their application and development prospects in water treatment are discussed .

以三聚氰胺、磷酸三甲酚和聚磷酸铵为氮源和磷源，研究了磷和氮两种元素对天然多羟基高分子化合物－淀粉的热降解成炭行为的影响；

The effects of Phosphorus and Nitrogen in melamine , phosphate ester and ammonium polyphosphate on char formation of starch under the air condition was studied .