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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...
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...
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...
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...
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...
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 ...
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...
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 ...
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 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...
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...
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...
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...
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 ...

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