搜索结果: 1-15 共查到“工学 polysaccharides”相关记录20条 . 查询时间(0.109 秒)
龙眼多糖树脂脱色工艺优化（Optimization of De-coloration Technology for Polysaccharides from Longan Pulp）
龙眼 多糖 脱色 树脂 工艺
2010/12/28
以脱色率、多糖保留率、蛋白质去除率及3个指标的加权综合评分比较8种树脂对龙眼多糖的脱色效果，并筛选出效果较好的离子交换树脂D301-F，通过单因素和正交试验进一步优化其脱色工艺条件。结果表明：当龙眼多糖溶液质量分数为4％时，选用离子交换树脂D301-F，在料液比为0.16g/mL、溶液pH值为5、温度为50℃条件下的脱色率可达90.21%，多糖保留率为85.75%，蛋白质去除率为73.12%。龙...
南瓜多糖大孔吸附树脂纯化工艺（Purification Technology of Pumpkin Polysaccharides with Macroporous Adsorption Resin）
南瓜多糖 大孔吸附树脂 分离纯化
2010/12/28
为提高南瓜多糖的纯度，筛选适宜南瓜多糖纯化的大孔树脂，确定纯化工艺参数，选用9种大孔树脂材料，采用静态与动态吸附-解吸方法对南瓜多糖进行纯化，以吸附量与解吸率为考察指标对树脂进行选择与工艺研究。结果表明：D101-Ⅰ型大孔树脂更适宜作为南瓜多糖纯化的树脂；其纯化最佳工艺条件为：上柱液质量浓度4.79mg/mL，上柱液体积3.2BV，上柱流速3BV/h，洗脱液乙醇体积分数25%，洗脱速度4B...
纤维素酶协同超声波辅助提取苦瓜多糖工艺优化（Optimization on Cellulase and Ultrasonic Wave Assisted Extraction Technology of Momordica charantia Polysaccharides）
苦瓜 多糖 纤维素酶 超声波
2010/12/28
为了得到纤维素酶协同超声波法提取苦瓜多糖的最佳工艺条件，利用Box-Behnken的中心组合设计及响应面法（RSM）探讨了超声波功率、酶量、料液比、时间、pH值和温度等因素的优化组合，通过建立二次回归模型，确定其最佳提取工艺条件为: 超声波功率390W、纤维素酶量3500U/ g（酶活200U/mg以上）、料液比1∶38、时间40min、pH值5、温度56℃。在此工艺条件下，苦瓜多糖...
Polysaccharides from Probiotics: New Developments as Food Additives
polysaccharide exopolysaccharide probiotic glucan prebiotic
2011/2/24
Microbial polysaccharides with nutraceutical potential and bioactive properties have
been investigated in detail during the last few decades. There is an increasing demand in
food industries for liv...
Advances in Research of Polysaccharides in Cordyceps Species
Cordyceps polysaccharide production and purification structure elucidation
2010/2/1
Cordyceps sinensis (Berk.) Sacc. is one of the well-described fungi that has been used in traditional Chinese medicine for over 700 years. Fungal mycelia contain some polysaccharides that are responsi...
In vitro Bacteriostatic Effects of Dietary Polysaccharides
carrageenan pectin sulfated polysaccharide antimicrobial activity
2009/6/18
The antimicrobial action of dietary polysaccharides on eight food-borne pathogenic bacteria were examined. Among the polysaccharides, the carrageenans showed the most pronounced inhibitory effect, the...
Contents of Anti-Tumor Polysaccharides in Certain Mushrooms and Their Immunomodulating Activities
immunomodulating activity anti-tumor polysaccharides splenic lymphocyte subsets
2009/6/18
We measured the contents of anti-tumor polysaccharides in certain mushrooms using the two kinds of antibodies that specifically recognize lentinan and GGF, which were isolated from Lentinus edodes and...
Functional Improvements in Food Proteins in Multiple Aspects by Conjugation with Saccharides: Case Studies of β-Lactoglobulin-Acidic Polysaccharides Conjugates
β-lactoglobulin carboxymethyl dextran lipocalin
2009/6/17
Many studies on the conjugates of proteins and saccharides (neoglycoproteins) have been carried out over the past 20 years to improve the function of proteins. However, most have been carried out by a...
Changes in Pectic Polysaccharides during the Ripening of Cherry Tomato Fruits
pectin cherry tomato fruits ripening polygalacturonase
2009/6/17
Pectic polysaccharides in cherry tomato fruits (Pepe) have been studied at three stages of ripening (immature-green, mature-green, and mature-red). The alcohol-insoluble solids obtained from the fruit...
Effect of 2-Chloroethyl Phosphonic Acid on Sugar Composition of Cell Wall Polysaccharides in Mungbean Hypocotyls
ethylene mungbean hypocotyl pectic polysaccharides
2009/5/31
The application of ethylene to germinating seeds in the practical production of mungbean sprout has been used to get thicker, shorter and harder hypocotyls. In our experiment, a similar response was i...
Immunostimulatory Effects of Fungal Polysaccharides from Ganoderma lucidum Submerged Biomass Cultivation
Ganoderma lucidum submerged biomass cultivation polysaccharides
2009/3/20
A Slovenian Ganoderma lucidum strain MZKI G97 was isolated and cultivated in a 10 L stirred tank reactor, on potato dextrose substrate. Biomass up to 15.2 g/L and fungal polysaccharides were produced....
Improving Microwave Heating using Polysaccharides as Thickeners
polysaccharides salt starch carrageenan sauces
2014/3/10
The aim of this work was to improve microwave heating in white sauces using different polysaccharides in their formulation; ι-, λ- and &kappa-carrageenan and native and modified starches were used as ...
Healthy Polysaccharides The Next Chapter in Food Products
beneficial polysaccharides health nutraceuticals
2009/3/10
New lifestyles of modern countries have contributed to the appearance of chronic diseases such as obesity or cardiovascular diseases, which are mainly due to bad eating habits. Solutions can be found ...
Submerged Production and Characterization of Grifola frondosa Polysaccharides – A New Application to Cosmeceuticals
cosmetic ingredients exopolysaccharide glucan, Grifola frondosa (maitake)
2009/3/2
Grifola frondosa (maitake) is traditionally called 'the king of mushrooms' and 'the hen of the woods'. Both the fruiting bodies and the mycelium of maitake have been reported to have antitumor and ant...
Studies of the Structure of Polysaccharides in the Process of Alkaline Treatment of Dibutyrylchitin Fibres
Polysaccharides Alkaline Treatment Dibutyrylchitin Fibres
2009/2/10
Studies of the Structure of Polysaccharides in the Process of Alkaline Treatment of Dibutyrylchitin Fibres.