搜索结果: 1-15 共查到“食品科学技术 adsorption”相关记录16条 . 查询时间(0.159 秒)
Kinetic and Isotherms Adsorption of the Palm and Andiroba Vegetable Oils on γ-Alumina
Palm and Andiroba Vegetable Oils γ-Alumina
2016/6/2
Vegetable oils refining process purpose is the removal of free fatty acids, phospholipids, trace of metals, peroxides, aldehydes, carotenes, sterols and others compounds, that affect the flavor or oxi...
Determination of acrylamide in food using adsorption stripping voltammetry
food contaminant electroanalysis sample preparation
2014/2/24
A new electroanalytical method for the determination of acrylamide in food has been developed. It was found that a complex of acrylamide and Ni2+ is suitable for the electrochemical determination of a...
NKA—9大孔树脂对苹果多酚的动态吸附工艺优化（Optimization of the Adsorption Property of Apple Polyphenols on NKA—9 Macroporous Resin）
苹果多酚 大孔树脂 动态吸附
2009/9/11
为了提高对苹果多酚的分离效率，以实现工业化生产，在单因素试验得出的工艺基础上，采用响应曲面法建立了NKA—9大孔树脂对苹果多酚(AP)动态吸附和动态解吸的二次多项数学模型，验证了模型的有效性。考察了上样速率、样液质量浓度、样液pH值对AP动态吸附量以及洗脱速率、洗脱剂体积分数和洗脱剂用量对AP动态解吸的影响。优化出NKA—9大孔树脂的动态吸附工艺参数为：上样速率1.10mL/min，样液质量浓度2...
苹果汁中溴氰菊酯残留的大孔树脂吸附分离（Separation of Deltamethrin Residue in Apple Juice with Macroporous Adsorption Resin）
溴氰菊酯残留 苹果汁 大孔吸附树脂
2009/8/11
为去除苹果汁中残留的溴氰菊酯,利用大孔吸附树脂对苹果汁中溴氰菊酯的吸附性能及参数进行了研究。通过树脂吸附溴氰菊酯的静态吸附试验, 对大孔吸附树脂进行了筛选,同时，在动态吸附试验的基础上，对最佳吸附动态条件进行了优化，结果表明：LS—803型树脂对溴氰菊酯的吸附能力最强, 其静态吸附时间为100min；通过正交试验确定了LS—803型树脂较佳的动态吸附条件为: 温度20℃、苹果汁质量浓度110g/L...
Toxicity of Aromatic Ketone to Yeast Cell and Improvement of the Asymmetric Reduction of Aromatic Ketone Catalyzed by Yeast Cell with the Introduction of Resin Adsorption
asymmetric reduction chiral alcohol acetophenone
2009/2/19
Asymmetric reduction of the prochiral aromatic ketone catalyzed by yeast cells is one of the most promising routes to produce its corresponding enantiopure aromatic alcohol, but the space-time yield d...
Desalting Fish Skin Protein Hydrolysates Using Macroporous Adsorption Resin
Enzymatic hydrolysis fish skin protein hydrolysate desalting macroporous adsorption resin bitterness
2008/11/1
Macroporous Adsorption Resin (MAR) DA 201-C was used to desalt different Fish Skin Protein Hydrolysates (FSPHs). The FSPHs were obtained by hydrolysis of fish skin using Alcalase in a batch reactor a ...
Effect of Adsorption Medium, Hydrolytic Parameters and Ultrafiltration on the Phenylalanine Removal from Pancreatic Whey Hydrolysates
Whey activated carbon amberlite XAD-4 pancreatin protein hydrolysis ultrafiltration
2008/10/26
With the aim of producing dietary supplements for phenylketonurics, using whey hydrolysates as protein sources, the effect of some procedures over phenylalanine (Phe) removal was evaluated. Twelve whe...
Adsorption of Cationic Methylene Blue and Anionic Methyl Orange by Crude Drug Starches
cationic methylene blue anionic methyl orange crude drug starch applicability of adsorption equation reuse of crude drug residue
2008/4/20
In order to use effectively the starch from the extracted residue of crude drugs, adsorption characteristics of cationic methylene blue (MB) and anionic methyl orange (MO) were investigated. Starches ...
Binding of Lipophilic Nutrients to ß-Lactoglobulin Prepared by Bioselective Adsorption
binding lipophilic nutrients ß beta -lactoglobulin bioselective adsorption
2008/3/28
The binding of the lipophilic nutrients, retinal, vitamin D2, and retinyl palmitate by ß-lactoglobulin was measured by analysis of changes in the fluorescence of the tryptophanyl residue of &szl...
Binding of Retinoids to ß-Lactoglobulin Isolated by Bioselective Adsorption
ß beta -lactoglobulin retinoid binding bio-selective adsorption whey protein isolate
2008/3/27
Binding of the retinoids, all-trans-retinol, all-trans-retinal, all-trans-retinyl acetate, and all-trans-retinoic acid, to ß-lactoglobulin (LG) (96% purity) that had been prepared by bioselectiv...
Effect of Adsorption Medium, Hydrolytic Parameters and Ultrafiltration on the Phenylalanine Removal from Pancreatic Whey Hydrolysates
Adsorption Medium Hydrolytic Parameters
2016/5/27
With the aim of producing dietary supplements for phenylketonurics, using whey hydrolysates as protein sources, the effect of some procedures over phenylalanine (Phe) removal was evaluated. Twelve whe...
The adsorption isotherms of some dipeptides composed of un-ionizable side chains were measured at 25°C in a single component system, and all of them obeyed the Langmuir equation. The parameters obtain...
Properties of Protein Adsorption and Desorption of Alumina Ceramic Membrane
protein desorption ceramic membrane microfiltration
2010/11/24
The properties of protein adsorption and desorption of alumina ceramic membranes were investigated using several types of proteins. The effect of pH on the protein adsorption was studied by soaking th...
Adsorption Selectivity of Coffee Aroma Components on Zeolite 5A
adsorption selectivity coffee aroma heat of adsorption
2010/11/22
For the basic study on removal of methyl mercaptan from coffee volatiles, adsorption characteristics on zeolite 5A were evaluated for 6 model components in a coffee aroma-containing gas. They were met...
Simulation of Moisture Adsorption by Polished Rice in Deep-Bed
adsorption polished rice deep-bed moisture
2010/11/22
temperature and moisture content of polished rice in deep-bed sorption. The model was based on one-dimensional heat and mass transfer equations with the appropriate boundary conditions and was solved ...