搜索结果: 1-15 共查到“食品科学技术 modification”相关记录17条 . 查询时间(0.062 秒)
Mediation and modification of genetic susceptibility to obesity by eating behaviors
eating behavior genetic risk score genetics obesity BMI body mass index dieting
2018/11/16
Background: Many genetic variants show highly robust associations with body mass index (BMI). However, the mechanisms through which genetic susceptibility to obesity operates are not well understood. ...
Effect of microwave modification on mechanical properties and structural characteristics of soy protein isolate and zein blended film
protein film protein modification breaking strength fracturing distance structural characteristics
2016/5/11
Soy protein isolate (SPI) and zein were blended at different ratios, and native and microwave-modified films were prepared at pH 12 in an ethanol/water (20 : 80) mixture. The effect of the...
Modification of structural and functional properties of sunflower 11S globulin hydrolysates
sunflower protein hydrolysates structure functionality
2015/10/9
The structural and functional properties such as solubility, emulsifying properties, foaming properties, oil binding capacity, and surface hydrophobicity of sunflower 11S globulin hydrolysates generat...
Effect of enzymatic modification on frozen chicken surimi
transglutaminase texture rheological NMR water activity DSC
2014/2/24
The effects were assessed of the addition of microbial origin transglutaminase (MTG) and modification time of proteins in frozen chicken surimi on its texture, rheological attributes, molecular dynami...
Effect of enzymatic modification on chicken surimi
transglutaminase texture rheology NMR water activity
2014/2/25
The impact of the addition and duration of protein modification with transglutaminase preparation of microbial origin (MTG) of a chicken surimi on its texture, rheological characteristics, water molec...
酪蛋白水解物的酶法修饰优化与抗氧化活性改善（Enzymatic Modification of Casein Hydrolysates by Plastein Reaction and Improvement in Antioxidant Activity）
酪蛋白水解物 抗氧化活性 类蛋白反应
2010/1/28
利用木瓜蛋白酶对酪蛋白水解,并对所得到的水解物进行类蛋白反应修饰，制备高活性抗氧化肽。以水解物的游离氨基含量变化为响应值，利用响应面分析法对类蛋白反应条件进行优化，得到适宜条件为：酶添加量为500U/g，温度30℃，底物质量分数50%，反应时间5.6h。毛细管电泳分析确认，水解物经类蛋白反应修饰后肽分子组成发生变化。抗氧化活性分析结果表明，所制备的3个修饰产物对3种自由基的清除能力显著提高。
醇法菜籽浓缩蛋白的微波改性试验（Microwave Modification of Alcohol Leached Rapeseed Protein Concentrate）
醇法菜籽浓缩蛋白 微波 氮溶解指数
2009/8/11
对醇法菜籽浓缩蛋白(RPC)进行了微波改性的试验。在单因素试验的基础上，采用L9(34)正交试验，以探讨pH值、菜籽浓缩蛋白质量分数、微波功率及改性时间对菜籽浓缩蛋白的氮溶解指数(NSI)的影响。通过正交试验确定了微波改性的最佳工艺条件为：菜籽浓缩蛋白质量分数5%、微波功率300W、改性时间1min和pH值10。最佳改性条件下改性菜籽浓缩蛋白的NSI可达到73.38%，起泡稳定性为91.25%。
Production of β-Fructofuranosidase by Arthrobacter sp.and Its Application in the Modification of Stevioside and Rebaudioside A
purification stevioside and rebaudioside A structure modification
2009/8/10
Arthrobacter sp. 10137 has been used to produce β-fructofuranosidase (FFase). Sucrose and corn steep powder in an optimized ratio of 10:1 were the best carbon and nitrogen sources for enzyme productio...
Detection of Genetic Modification“ac2”in Potato Foodstuffs
GMO Solanum tuberosum PCR antimicrobial peptide
2009/8/10
The genetic modification 'ac2' is based on the insertion and expression of ac2 gene, originally found in seeds of amaranth (Amaranthus caudatus), into the genome of potatoes (Solanum tuberosum). The p...
Biotechnological Wood Modification with Selective White-Rot Fungi and Its Molecular Mechanisms
white-rot fungi wood lignin biomodification FT-NIR EPR
2009/3/2
Microbial mechanisms of lignin degradation may be utilised for solid-state fermentations other than biopulping, during which the selective conversion of lignin is required. The current paper reviews c...
Enzymatic Modification for Ascorbic Acid and Alpha-Tocopherol to Enhance their Stability in Food and Nutritional Application
Enzymatic Modification Ascorbic Acid Alpha-Tocopherol Nutritional Application
2009/1/14
Antioxidants protect cells against the effects of harmful free radicals and play an important role in preventing many human diseases (e.g. cancer, atherosclerosis, neurodegeneration, inflammatory diso...
Modification of Beef Tallow Stearin by Chemical and Enzymatic Interesterification with Rapeseed Oil
Interesterification lipases Lipozyme IM Novozym 435 rapeseed oil sodium metoxide tallow stearin
2008/11/13
Beef tallow stearin was blended at various proportions with rapeseed oil and the blends were interesterified using sodium methoxide or immobilized lipases from Rhisomucor miehei (Lipozyme IM) and Cand...
Physical Modification of Waxy Maize Starch by Dry Heating with Ionic Gums
starch dry heating gums modification
2008/4/20
As an alternative process to the chemical modifications commonly practiced for food starches, dry heating of a starch with a presence of ionic gums such as sodium alginate, sodium carboxymethylcellulo...
Effect of the Modification of Fat Particle Size by Homogenization on Composition, Proteolysis, Functionality, and Appearance of Reduced Fat Mozzarella Cheese
low fat Mozzarella cheese functional properties homogenization
2008/3/28
The effect of the homogenization of milk (0.8% fat) and cream (20% fat) on cheese-making performance, composition, proteolysis, functionality, and appearance of reduced fat Mozzarella cheese was deter...
Physicochemical Interactions Between Aroma Compounds and Milk Proteins: Effect of Water and Protein Modification
aroma casein water interactions
2008/3/28
The physicochemical interactions between aroma compounds and sodium caseinate were studied by complementary techniques involving the protein in aqueous solution at 25 or 75 g/L (exponential dilution a...