搜索结果: 1-15 共查到“食品科学技术基础学科 microwave”相关记录23条 . 查询时间(0.145 秒)
Effect of Microwave Technology on Some Quality Parameters and Sensory Attributes of Black Tea
hot drink microwave drying polyphenols antioxidant activity quality characteristics sensory analysis
2016/12/9
Although the quality of black tea mainly depends on the constituents and conditions of raw material, the manufacturing process also plays a significant role in obtaining high quality tea products. In ...
Optimisation of microwave-assisted extraction of flavonoids and phenolics from celery (Apium graveolens L.) leaves by response surface methodology
Box-Behnken experimental design total flavonoids total phenolics antioxidant activity
2016/12/9
The conditions for microwave-assisted extraction (MAE) of total flavonoids (TF) and total phenols (TP), and antioxidant activity from celery (Apium graveolens L.) leaves by response surface methodolog...
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...
Microwave drying of green bean slices: drying kinetics and physical quality
Phaseolus vulgaris effective diffusivity drying mathematical modelling rehydration colour
2015/7/28
Several microwave power settings were applied to green beans in order to determine the effect on the drying kinetics along with the rehydration ratio and colour values. In the experiments, several mic...
Utilization of Egyptian Tomato Waste as a Potential Source of Natural Antioxidants Using Solvents, Microwave and Ultrasound Extraction Methods
Egyptian Tomato Waste Natural Antioxidants
2016/6/2
This study was conducted to access the extraction yield of antioxidant and their activity from Egyptian tomato waste. Conventional and novel assisted extraction methods (ultrasound and microwave) usin...
Effect of microwave thawing on microstructure and physicochemical stability of low fat white sauces made with soy protein
Confocal laser scanning microscopy (CLSM) microwave heating SDS-PAGE soy protein isolate starch
2014/2/24
The microstructural and physicochemical stability of white sauces made with soy protein and modified waxy maize starch was evaluated after subjecting them to a freezing-thawing process in a convention...
Diastase number changes during thermaland microwave processing of honey
honey microwave enzymes heating
2014/2/25
The presented paper covers the preliminary studies on microwave inactivation of honey enzymes described as diastase number (DN). All the investigations were done on commercially available honey from P...
Microwave-assisted phosphorylation of soybean protein isolates and their physicochemical properties
soybean protein sodium tripoly phosphate microwave-phosphorylation emulsifying properties molecular characteristics
2014/2/25
In order to improve the functional properties of soybean protein isolates (SPI), microwave-assisted phosphorylation (MAP) was applied. The result showed that after microwaving at 600 W for 3 min, the ...
Determination of fluoride in plant material using microwave induced oxygen combustion
ion-selective electrode sample preparation tea
2014/2/25
Fluorine is essential in human and/or animal nutrition, thus it is important to know its concentration in a diet. One of the important sources of fluorine for humans is tea, containing relatively high...
Impact of microwave heating on hydroxymethylfurfural content in Czech honeys
honey hydroxymethylfurfural HMF microwave heating
2014/2/25
As far as honey is concerned, microwave oven heating finds its use especially for crystallised honey reliquefying. We focused on monitoring the changes in hydroxymethylfurfural content which is an ind...
Microwave Assisted Synthesis and Characterization of Acetate Derivative Cassava Starch
Microwave Assisted Synthesis Characterization of Acetate Derivative Cassava Starch
2010/11/8
The aim of this study were to observe the possibility of application of microwave heating in the acetylation of cassava starch and to study the physicochemical properties of the starch acetate obtaine...
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%。
Influence of Application of Microwave Energy on Quality Parameters of Mate Tea Leaves (Ilex paraguariensis St. Hil.)
mate tea leaves microwave energy oxidase activity
2009/8/10
Polyphenol oxidase and peroxidase are enzymes responsible for browning and quality deterioration in mate tea leaves. The main objective of this work is to investigate the influence of microwave energy...
Microwave and Infrared Heat Processing of Honey and Its Quality
diastase activity honey, hydroxymethyfurfural (HMF) infrared heating
2009/6/17
Application of microwave and infrared radiation was explored for thermal processing of honey and its effect on the physico-chemical characteristics as well as the microbiological quality of honey were...
Microwave Assisted Synthesis and Characterization of Acetate Derivative Cassava Starch
Microwave Assisted Synthesis Acetate Derivative Cassava
2016/5/31
The aim of this study were to observe the possibility of application of microwave heating in the acetylation of cassava starch and to study the physicochemical properties of the starch acetate obtaine...