胞外多糖

本文对影响南极细菌S-15-13生长和胞外多糖产量的主要环境因子进行了研究，同时采用16Srdna序列分析及系统发育分析方法对其进行了分子鉴定。

In this study , the effects of major environmental factors on the growth and EPS production of Antarctic bacteria S-15-13 were investigated . Meanwhile , the cloned 16S rDNA and other 24 related sequences were included in the consensus phylogenetic analysis by using neighboring - joining method .

结果表明利用膜生物反应器进行液体连续发酵是生产和分离胞外灵芝多糖的一条有效途径，并可为其它真菌胞外多糖的深层发酵生产提供借鉴。

The result showed that it was an effective process to produce EPS in a membrane bioreactor system , and perhaps , can be applied for other fungi to produce EPSs in high yield .

控制pH环境对出芽短梗霉胞外多糖合成的影响

The effects of a controlled pH environment on polysaccharide synthesis by Aureobasidium pullulans

灵芝胞外多糖产量受发酵过程各因素的影响，发酵过程中pH、总糖、还原糖和氨基氮有一定的相关性。

Yield of Ganoderma lucidum polysaccharide was affected by a number of factors in fermentation process .

B族维生素和核酸碱基对唾液乳杆菌生长和产胞外多糖的影响

The Effect of B Vitamins and Nucleic Acid Bases on the Growth and Exopolysaccharide Production of Two Lactobacillus Salivarius Strains

倍频Nd∶YAG激光对紫球藻生长与胞外多糖产量的影响

The Effect of Nd ∶ YAG Laser on porphyridium cruentum Growth and Extracellular polysaccharide Production

乳酸菌Z（222）产胞外多糖（EPSⅠ）对免疫细胞功能的影响

Effect of EPS ⅰ produced by Lactobacillus strain , Z_ ( 222 ) on cellular immunity

酸乳中胞外多糖（EPS）产生条件的研究

Study on conditions of producing exopolysaccharides from yoghurt

以上述培养基配方和培养条件进行摇瓶发酵，得到发酵过程中菌丝体生物量、pH值、胞外多糖及胞内多糖含量的变化曲线。

Under the optimal fermentation condition we got the variation curves of mycelia biomass , pH value , extracellular polysaccharide and endocellular polysaccharide content .

系统研究胞外多糖EPSⅠ的体外抗氧化活性，和对多种微生物的紫外辐射防护作用。

Then its antioxidation activity in vitro and protective effect in several microorganisms is researched and analyzed .

本论文以灰树花胞外多糖（GFP）为主要研究对象，对其进行了三方面的研究。

This paper focused research on exo-polysaccharide from Grifola frondosa ( GFP ), and three aspects were carried out .

发酵提取胞外多糖，纯化获得具有抗氧化能力的活性组分EPSⅠ，进行初步分析；

The part named EPS I with antioxidation activity purify from the aforesaid exopolysaccharide , and the characterization of EPS I is studied .

青枯菌胞外多糖和酶对花生细胞POD及CYT的影响

The effect of pseudomonas solanacearum and its extracellular polysaccharides and enzymes on POD and CYT in peanut suspension cells

蛹虫草胞外多糖优化发酵培养基组成为：蔗糖12%，玉米浆2%，酵母膏2%，硝酸钾0.45%；发酵培养条件为：pH值6.5，温度20℃；

The optimum media composition was : 12 % sucrose , 2 % corn paste , 2 % yeast extract and 0.45 % KNO3.The fermentation condition was : 6.5 pH at 20 ℃ .

经TLC和高效液相色谱（HPLC）分析金耳胞外多糖由岩藻糖、木糖、鼠李糖、阿拉伯糖、葡萄糖、半乳糖组成。

Its mono-saccharide composition was identified by thin-layer chromatography and HPLC . TEP consists of rhamnose , arabinose , xylose , fucose , glucose , galactose .

杯伞（Clitocybesp.）AS5.112胞外多糖发酵、生物活性及结构分析

Fermentation , Bioactivity and Structure of Extracellular Polysaccharide by Clitocybe sp. AS 5.112 Strain

紫球藻细胞中富含多种活性物质，例如藻红蛋白、多不饱和脂肪酸（EPA、AA等）以及胞外多糖等。

It can synthesize some bioactive substances such as phycoerythrin , polyunsaturated fatty acids ( EPA , AA , et al ) and exopolysaccharide .

巴西蘑菇深层发酵胞外多糖FPA2具有显著的抗肿瘤效果，并呈剂量依赖性。

A potent anti_tumor effect of extracellular polysaccharide of Agaricus blazei , FP_A_2 , produced by submerged fermentation , was studied .

12株Frankia菌胞外多糖的研究

Studies on extracellular polysaccharide of 12 Frankia strains

适宜的条件下出芽短梗霉能够产生一种胞外多糖，又名普鲁兰多糖（Pullulan）。

In suitable conditions , the strain of Aureobasidium pullulans produces a major polysaccharide & Pullulan .

抗辐射作用，紫球藻胞外多糖（PSP）对小鼠免疫功能具正向调节作用。

The function of anti-irradiation , The Polysaccharide of Porphyridium sp ( PSP ) has the effect of improving the immunological function of mice .

海洋细菌生产的胞外多糖（EPS）是高分子量的糖类聚合物，是重要的DOM成分之一。

Exopolysaccharides ( EPS ) produced by marine bacteria are high molecular weight carbohydrate polymers , and it constitutes a large fraction of the total DOM in the sea .

病菌脂多糖（LPS）对幼苗根的预处理，可使其供体菌的吸附量减少58.5%97.3%，但胞外多糖（EPS）对供体菌的吸附量无明显影响。

The pretreated Casuarina ramets with LPS sharply reduced the adsorption of subsequently inoculated bacteria by585 % 973 % , but EPS pretreated ramets did not show any apparent change .

结果茶多酚能抑制变链球茵的生长、GTF酶活性及酶产生的胞外多糖。

Results TP can inhibit the growth , GTF activity and extracellular glucan formation of Mutans Streptococci .

核盘菌多糖（SSG）是由核盘菌（SclerotiniaSclerotiorum）通过深层发酵产生的一种胞外多糖，具有潜在的免疫调节活力和明显的抑瘤作用。

Sclerotan ( SSG ) was an extracellular polysaccharide from Sclerotinia sclerotiorum by submerged fermentation . It had potential immunomodulating and antitumor activity .

Enterococcusdurans产胞外多糖EPS-Ⅰ的分离纯化和结构分析

Isolation , Purification and Structural Elucidation of EPS - ⅰ, an Extracellular Polysaccharide from Enterococcus durans

超滤浓缩微生物胞外多糖PS-9415发酵液的研究

Study on Concentration of Exopolysaccharides PS-9415 Broth by FlatSheet Membrane Ultrafiltration

结果发现，姬松茸深层发酵生产的胞外多糖对小鼠接种的腹水瘤S180有较强的抗性，肿瘤抑制率达到44.53%，完全抑制率达到50%。

Ab-EPS showed a higher antitumor activity against S-180 grafted in mice with the tumor inhibition rate being 44.53 % and the complete inhibition rate being 50 % .

以菌丝生物量及胞外多糖（exopolysaccharides，EPS）含量为指标对大球盖菇产胞外多糖液体培养基组成和发酵条件进行了优化。

Optimization of liquid culture medium components and fermentation condition to produce extracellular polysaccharides ( EPS ) was carried out with hypha biomass and EPS content as target .

微生物多糖主要指大部分细菌、少量的真菌和藻类产生的多糖，而胞外多糖（EPS）是在一定环境条件下由微生物分泌于体外的一些高分子聚合物。

Microbial polysaccharides mainly refer to the polysaccharide produced by most bacteria , a small amount of fungi and algae . Microbial exopolysaccharides ( EPS ) are useful biomolecules secreted by bacteria under specific circumstances .