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Articles 181 - 210 of 524
Full-Text Articles in Food Biotechnology
Study On Enzymatic Hydrolysis-Mild Thermal Oxidation Of Chicken Fat For Preparing Chicken Flavor, Yu Jingyang, Chen Huangnv, Xia Shuqin, Zhang Xiaoming
Study On Enzymatic Hydrolysis-Mild Thermal Oxidation Of Chicken Fat For Preparing Chicken Flavor, Yu Jingyang, Chen Huangnv, Xia Shuqin, Zhang Xiaoming
Food and Machinery
At present, commercial refined chicken fat and chicken protein hydrolysates are usually used as raw materials for the industrialized production of Maillard reaction chicken flavor. However, commercial refined chicken fat contains a large amount of anti-oxidant, which is hard to be oxidized by low-temperature heating. It is easy to produce off-flavor for chicken fat when heated at high temperature. In order to form enough chicken flavor precursors for Maillard reaction chicken flavor preparing, we studied the mild thermal oxidation of refined chicken fat based on enzymatic hydrolysis, which was with the lipolytic ratio, fatty and greasy taste as evaluation indexes. …
Preparation, Characterization And Sustained-Release Property Of Na2Seo3-Loading Chitosan Microsphere, Zhang Chi, Shang Longchen, Wu Shaowei, Li Guangda, Liu Xinping
Preparation, Characterization And Sustained-Release Property Of Na2Seo3-Loading Chitosan Microsphere, Zhang Chi, Shang Longchen, Wu Shaowei, Li Guangda, Liu Xinping
Food and Machinery
Chitosan was chosen as wall material to prepare the Na2SeO3-loading microspheres with emulsion-crosslink method. Then, the microspheres’ appearance, drug loading capacity, encapsulation efficiency and its sustained-release property were chosen as evaluation criteria to optimize the process condition through the single factor experiments and the orthogonal tests. In addition to this, the structure of the microspheres was characterized preliminarily by the scanning electron microscopy (SEM), infrared spectroscopy (IR), atomic fluorescence, thermogravimetric analysis (TG), and its sustained-release property were researched in vitro under the circumstance of the simulated body fluid (SBF) which was prepared by ourselves. The best process condition …
Study On Volatile Flavor Compounds Of Meat From Yanbian Yellow Cattle, Hou Tingting, Nan Jingxi, Lin Mo, Xu Meina, Liu Tian, Wang Juan, Li Guanhao
Study On Volatile Flavor Compounds Of Meat From Yanbian Yellow Cattle, Hou Tingting, Nan Jingxi, Lin Mo, Xu Meina, Liu Tian, Wang Juan, Li Guanhao
Food and Machinery
Volatile flavor compounds in three parts of meat from Yanbian yellow cattle were analyzed by headspace solid-phase microextraction (HS-SPME) coupled with gas chromatography-mass spectrometry (GC-MS). The extraction fibers were optimized by comparison of 65 μm PDMS/DVB, 75 μm CAR/PDMS and 100 μm PDMS. The results showed that 65 μm PDMS/DVB had the best extraction effect on the volatile components of meat from Yanbian yellow cattle. Furthermore, the volatile components in Longissimus dorsi, rump and Sirloin of Yanbian Yellow Cattle were respectively investigated, and the differences of the volatile components in the three parts were analyzed with principal component analysis. The …
Gc/Ms For Simultaneous Determination Of 14 Photo-Initiators In Fatty Food, Xu Wenyang, Chen Hua
Gc/Ms For Simultaneous Determination Of 14 Photo-Initiators In Fatty Food, Xu Wenyang, Chen Hua
Food and Machinery
To establish a GC-MS method for determination of 14 photo-initiators in fatty food. The homogeneous samples were extracted by acetone-hexane(2∶8,v:v) for 15 min at room temperature. The supernatant was purified by HLB column, and the eluent was then collected, which was further purified by PSA. The purified eluent was centrifuged and determined by GC-MS. The recoveries were between 73.0%～92.4% at spiked levels of 0.000 2～0.001 0 mg/kg, and the relative standard deviation of the methods were 4.1%～8.9%, with the LOD ranging from 0.02~0.20 μg/kg. It was in accordance with the requirement of technical parameters for analysis with fast and simple …
Watermelon Sugar Content Detection Based On The External Characteristics And Sub-Band Spectrum Centroid Method, Zhuang Wei, Li Zhenfeng, Song Feihu, Li Jing, Zhu Guanyu
Watermelon Sugar Content Detection Based On The External Characteristics And Sub-Band Spectrum Centroid Method, Zhuang Wei, Li Zhenfeng, Song Feihu, Li Jing, Zhu Guanyu
Food and Machinery
At present, the vibration nondestructive testing method has high requirements on hardware system and test conditions, and few practical application systems have been designed..In order to solve this problem, a portable vibration test detection system was built. The time signal was denoised by the method of wavelet threshold denoising. The sub-band spectrum centroid of a certain watermelon variety was extracted. The product of square of transverse diameter and the longitudinal diameter was proposed as the volume parameters. It is found that the frequency point of sub-band spectrum centroid is negatively correlated with the quality of watermelon and the volume parameters, …
Detection Models Of Mildew Degree In Honeysuckle Based On Hyperspectral Imaging Technology, Feng Jie, Liu Yunhong, Wang Qingqing, Yu Huichun, Shi Xiaowei
Detection Models Of Mildew Degree In Honeysuckle Based On Hyperspectral Imaging Technology, Feng Jie, Liu Yunhong, Wang Qingqing, Yu Huichun, Shi Xiaowei
Food and Machinery
Hyperspectral imaging technology was applied to develop a rapid, accurate and non-destructive detection method for honeysuckle mildew degree levels. The original spectral data were analyzed by three pretreatment methods with Savitzky-Golay (SG) convolution smoothing, Multiple Scatter Correct (MSC) and SG-MSC. A comparison was made among SG, MSC and SG-MSC based on Partial Least Squares (PLS), of which the best pretreatment method was SG-MSC. The Successive Projection Algorithm (SPA) and Competitive Adaptive Reweighted Sampling (CARS) were used to extract the characteristic wavelengths after SG-MSC pretreatment. Partial Least Square Discriminant Analysis (PLS-DA) and Last Squares Support Vector Machine (LS-SVM) were applied to …
Analysis Of Monosaccharide Composition And Content Of Polysaccharide From Nostoc Sphaeroides Kützing Extractive, Zhou Xi, Wang Xi, Liu Shuiping, Luo Cheng, Wang Zongcheng, Zhuang Ruihua
Analysis Of Monosaccharide Composition And Content Of Polysaccharide From Nostoc Sphaeroides Kützing Extractive, Zhou Xi, Wang Xi, Liu Shuiping, Luo Cheng, Wang Zongcheng, Zhuang Ruihua
Food and Machinery
A simple and sensitive high performance liquid chromatographic method for simultaneous determination of eight kinds of neutral monosaccharides, two kinds of uronic acid and one kinds of glycosamine by precolumn derivatization with 1-phenyl-3-methyl-5-pyrazolone (PMP) has been developed. The polysaccharides hydrolyzed effects of hydrolysis time, temperature and trifluoroacetic acid (TFA) concentration were investigated. HPLC were established for analyzing the monosaccharide composition and the content of polysaccharide from Nostoc sphaeroides Kützing extractive. The results showed that the recoveries of nine kinds of monosaccharides, such as Man, GlcUA, Glc, Xyl, were 81.08%～102.1%. Compared with the chemical method. The established method is accurate, goodlineal …
Study On The Removal Of Methylene Blue Using Rice Starch As An Adsorbent By Mini-Hydrocyclone, Wu Han, Yu Jianfeng, Jiang Yuting, He Shiyuan, Zhao Jiang
Study On The Removal Of Methylene Blue Using Rice Starch As An Adsorbent By Mini-Hydrocyclone, Wu Han, Yu Jianfeng, Jiang Yuting, He Shiyuan, Zhao Jiang
Food and Machinery
Rice starch was used as an adsorbent to adsorb the dyeing wastewater simulated by methylene blue in mini-hydrocyclone. The single experiments were used to explore the effect of starch concentration, split ratio and feed flow rate on the efficiency of adsorption and separation. Moreover, the response surface analysis method was used to optimize process parameters. The results showed that the starch concentration, split ratio and feed flow rate all influenced the efficiency of adsorption and separation. The order of effect on adsorption efficiency was as followed: starch concentration > split ratio > feed flow rate, and the order of effect on separation …
Design And Application Of Round Fruit Sorting And Labeling Machine, Sun Kai, Yan Xuehui, Zhu Rongsheng
Design And Application Of Round Fruit Sorting And Labeling Machine, Sun Kai, Yan Xuehui, Zhu Rongsheng
Food and Machinery
At present, the sorting and labeling of round fruits in peasant household is still depending on the manpower with low efficiency. This paper presents a solution for the integration of sorting and labeling. An automatic sorting and labelling machine is designed for selecting and labeling the size of round fruit in peasant household. This machine is mainly composed of roller type sorting device and automatic labelling device, which can automatically complete the sorting and labeling of round fruit. The optimal parameters of each part were determined through the elaboration of the whole structure and the working principle of each part …
Evaluation Of Food Filling Machine Design Scheme Based On Interval Analytic Hierarchy Process And Membership Degree, Shi Hongyan, Zheng Shuxian
Evaluation Of Food Filling Machine Design Scheme Based On Interval Analytic Hierarchy Process And Membership Degree, Shi Hongyan, Zheng Shuxian
Food and Machinery
In view of the uncertainty in the evaluation of the design of food filling machine, a new evaluation method for the design of food filling machine was proposed. Firstly, the evaluation index system of the design scheme of the food filling machine was set up, and the grade of the design scheme evaluation and the interval number of the food filling machine were put forward. Moreover, the interval number weight of the evaluation index of the design scheme of the food filling machine was determined by the interval analytic hierarchy process. Furthermore, an evaluation model of food filling machine design …
Frictional Resistance Analysis And Parameter Optimization Of Extruder Screw Based On The Principle Of Continuum Medium Hypothesis, Mao Jun, Lu Nan, Xie Miao, Lu Jinnan, Jia Kai
Frictional Resistance Analysis And Parameter Optimization Of Extruder Screw Based On The Principle Of Continuum Medium Hypothesis, Mao Jun, Lu Nan, Xie Miao, Lu Jinnan, Jia Kai
Food and Machinery
Based on the hypothesis of continuous medium in theoretical mechanics, the friction resistance model of screw rotary extrusion material was established. The influence of multiple structural parameters of screw on friction resistance was analyzed by using this model, and the range of parameter selection was also given. The friction force between screw and material was the target, and the screw structure parameter was the variable, using Matlab optimization toolbox to optimize the design of screw structure parameters. Moreover, the friction force of the material flow in the optimized screw was analyzed by Ansys. The results showed that the friction stress …
Studies On Α-Lipoic Acid Molecularly Imprinted Membrane And Its Antioxidant Properties, Yang Bowen, Chen Yuqin, Zhu Qiujin
Studies On Α-Lipoic Acid Molecularly Imprinted Membrane And Its Antioxidant Properties, Yang Bowen, Chen Yuqin, Zhu Qiujin
Food and Machinery
Thermo-sensitive α-lipoic acid molecularly imprinted polymers (ALA-MIPs) were synthesized through pre-polymerization using α-lipoic acid as a functional monomer and N-vinylcaprolactam (NVCL) as both thermo-sensitive monomer and functional monomer. Poly(acrylonitrile) (PAN) and Poly(vinylidene fluoride) (PVDF) were used as the main raw material to synthesis molecularly imprinted membranes through the heterogeneous particle-filling method by adding ALA-MIPs. The morphology of the molecularly imprinted membrane(MIM) was investigated by scanning electron microscopy. The mechanical properties, hydrophilic properties, water absorption abilities, and ALA release properties of the membrane were also investigated. The results show that the PVDF membrane has better mechanical properties and hydrophobic properties when …
Design The Rural Food Packaging Design Under The Ethical Concept, Zhang Jiaxin, Zhu Li
Design The Rural Food Packaging Design Under The Ethical Concept, Zhang Jiaxin, Zhu Li
Food and Machinery
Food packaging in the countryside deeply reflects a kind of intimate complex relationship between human and design, human and tradition, human and natue. We incorporate design ethics with the process of food packaging design, as to make people to think about this comprehensive relationship from the perspective of ethics and introduce ethical care into design practice from top to bottom, and finally we can establish clear design ethics awareness for future country food packaging.
Preparation Of Eggshell-Powder Nanosilver And Its Antibacterial Properties, Chen Qiaoling, Chen Bisang, Wu Xiuting, You Yuting
Preparation Of Eggshell-Powder Nanosilver And Its Antibacterial Properties, Chen Qiaoling, Chen Bisang, Wu Xiuting, You Yuting
Food and Machinery
Eggshell-powder as reactant react with AgNO3 and NaBH4 through ultrasonic reduction method to prepare the eggshell-powder nanosilver. The eggshell-powder nanosilver morphology and morphology changes of treated bacteria were characterized by using Scanning Electron Microscope (SEM). And its antibacterial properties were characterized by the microorganism meathods. The results showed that silver nanoparticles of eggshell powder had strong bactericidal effect on Escherichia coli, Staphylococcus aureus, Bacillus subtilis and Candida albicans etc. And the minimum inhibitory concentration (MIC) of this four bacterias were 1.5,3.0,3.0,6.0 mg/L and minimum bactericidal concentration (MBC) were 6, 12, 12, 24 mg/L.
Morphological And Physiological Indexes Of Volvariella Volvacea During Storage At 15 ℃, Zha Lei, Chen Mingjie, Yan Shuhan, Li Chuanhua, Wang Hong, Xi Liping, Wang Chenguang, Zhao Yan
Morphological And Physiological Indexes Of Volvariella Volvacea During Storage At 15 ℃, Zha Lei, Chen Mingjie, Yan Shuhan, Li Chuanhua, Wang Hong, Xi Liping, Wang Chenguang, Zhao Yan
Food and Machinery
Fruit bodies of Volvariella volvacea V23 strains were stored at 15 ℃ after harvest. Morphological and physiological indexes were measured at 0, 12, 24, 36, 48, 60, 72 and 96 h after storage, respectively. The results showed that the sensory score of V. volvacea fruit bodies decreased with storage time, while weight loss rate, relative electric conductivity, and malondialdehyde content gradually increased with the prolongation of storage time. The contents of soluble sugar and protein were in a state of continuous decomposition and synthesis. No significant change was found in the activities of acid protease, while the activities of the …
Study On Temperature Field Of Different Materials In Incubator, Pan Xinyi, Wang Dongmei, Zhu Hong
Study On Temperature Field Of Different Materials In Incubator, Pan Xinyi, Wang Dongmei, Zhu Hong
Food and Machinery
The temperature fields of the incubators were investigated based on the fundamental model of incubator, using finite element method by applying finite elements. Moreover, the Thermal-Fluid Couple by Fluent was analyzed, and the temperature field was validated by experiment. Three common thermal insulation material including XPS, EPU and VIP were selected, and the temperature fields distribution of different materials were studied by the computer simulation. The results showed when using the different insulation materials, the internal temperature field were different, and the internal temperature of VIP incubator were closest to the phase change temperature of cool storage agent and with …
Separation And Identification Of The Hypnotic Active Ingredients Of Polygala Tenuifolia Willd, Chen Lihuan, Xu Deping, Kong Jiamei, Yao Minghua, Zhang Dong, Gu Libaikeremu, Gao Jingqiu
Separation And Identification Of The Hypnotic Active Ingredients Of Polygala Tenuifolia Willd, Chen Lihuan, Xu Deping, Kong Jiamei, Yao Minghua, Zhang Dong, Gu Libaikeremu, Gao Jingqiu
Food and Machinery
The effect of sedation was observed by sleeping method and the content of dopamine(DA) in hippocampal region of the experimental mice, which was measured by high performance liquid chromatography (HPLC). The structure of active ingredients was inferred by physical and chemical testing and HPLC-MS and NMR. The research showed that the active ingredient of hypnosis was the elution fraction of 70% ethanol in MCI, and it was Saponins, which were isomers of each other, with nitrogen(s) and a sugar chain consisting of three sugars.
Study On The Purification Of Polysaccharide From Peony Stamen By Three Phase Partitioning And Physicochemical Property, Luo Lei, Xue Yihan, Yang Yongqing, Zhu Wenxue
Study On The Purification Of Polysaccharide From Peony Stamen By Three Phase Partitioning And Physicochemical Property, Luo Lei, Xue Yihan, Yang Yongqing, Zhu Wenxue
Food and Machinery
Three phase partitioning was used to purify the polysaccharide from peony stamen and its physicochemical properties were analyzed. The optimal conditions of purification were obtained as follows: pH 7, ammonium sulfate concentration(w/v) 10% and ratio of t-butyl alcohol/crude extract(v/v).Under this condition, the polysaccharide recovery was 69% and the protein removal rate was 73%. The purity rate of the purified polysaccharide was 99.24%, and 95.36% pigment was removed by three phase partitioning. The Rresult of high performance liquid chromatography (HPLC) analysis showed that it was composed of rhamnose, galacturonic acid, glucose, galactose and arabinose, and the molar ratio was 1.24∶1.59∶2.00∶9.11∶1.68. The …
Isolation And Identification Of Saccharomyces Cerevisiae Of Fermentation Liquor Of Wild Kiwifruit From The Western Of Hunan And The Relative Ace Inhibitory Activity, Wu Qiang, Wan Chang, Peng Juanjuan, Zeng Hao, Yu Yougui
Isolation And Identification Of Saccharomyces Cerevisiae Of Fermentation Liquor Of Wild Kiwifruit From The Western Of Hunan And The Relative Ace Inhibitory Activity, Wu Qiang, Wan Chang, Peng Juanjuan, Zeng Hao, Yu Yougui
Food and Machinery
The wild yeast JM11 was isolated from wild kiwifruits by lineation separating, screened by morphological characteristics in WL medium and microscope observation and further confirmed as Saccharomyces cerevisiae by 26S rDNA D1/D2 domain sequence analysis. The content of alcohol, peptide concentration and ACE (Angiotensin converting enzyme, ACE) inhibitory activity were determined during fermentation with pure S. cerevisiae. The kiwifruit juice fermented 4 d estimated the content of alcohol was (7.8±0.5)%Vol, ACE inhibitory activity was (93.0±2.6)% and peptide concentration was (2 652.0±112.4) μg/mL. Endogenous yeast strain was used for prepared the kiwifruit wine, which revealed high ACE inhibitory activity, and could …
Preparation And Properties Of Microcrystalline Cellulose From Artemisia, Wen Junfeng, Liu Xia, Li Xiao
Preparation And Properties Of Microcrystalline Cellulose From Artemisia, Wen Junfeng, Liu Xia, Li Xiao
Food and Machinery
The Micro-Crystalline Cellulose （MCC）was prepared by acid hydrolysis method from Artemisia. The effects of solid to liquid, concentration of hydrochloric acid, temperature of acid hydrolysis and time of acid hydrolysis on the yield and degree of polymerization of Artemisia MCC were studied by single factor experiment. The preparation process of MCC was optimized by response surface methodology, and the structure and properties of the microcrystalline cellulose were analyzed. The optimum preparation conditions of MCC were as followed: ratio of solid to liquid 1∶30 （g/mL）, concentration of hydrochloric acid 15%, temperature of acid hydrolysis 70 ℃, and time of acid hydrolysis …
Optimization On Essential Oil Extraction Of Lemon Peel By Cellulase-Assisted Hydrodistillation, Gu Xuedong, Xiao Juan, Zhou Kang, Hu Bin, Su Zhao
Optimization On Essential Oil Extraction Of Lemon Peel By Cellulase-Assisted Hydrodistillation, Gu Xuedong, Xiao Juan, Zhou Kang, Hu Bin, Su Zhao
Food and Machinery
In order to improve the utilization of lemon peel, the optimal processes for essential oil extraction of lemon peel were studied by Cellulase-Assisted Hydrodistillation(CAHE). Based on the single-factor test, taking the enzyme dosage, solvent to material ratio, enzymolysis time, and distillation time as the influce factors, the response surface methodology was applied to optimize the parameters of extraction. Meanwhile, the volatile composition were determined by GC-MS. Additionally, the microscopic structural changes of sample before and after extraction are observed to understand the characteristics of different extraction methods. The optiaml extracting conditions were as followed: enzymolysis temperature 50 ℃, pH 5.0, …
Optimization Of Ultrasonidy Assisted Extraction Of Phenolic Compounds From The Peel Of Chinese Water Chestnut, Zhan Ge, Li Kaikai, Sun Yanhui, Long Men
Optimization Of Ultrasonidy Assisted Extraction Of Phenolic Compounds From The Peel Of Chinese Water Chestnut, Zhan Ge, Li Kaikai, Sun Yanhui, Long Men
Food and Machinery
The ultrasonic assisted extraction technique was employed to obtain phenolics from CWCP and different factors on the phenolics yield were considered, including the solvent type, ratio of liquid to solid, extracting temperature, ultrasonic power and ultrasonic time. Based on the single factor tests, an appropriate solvent for more consistent extraction of phenolic compounds would be defined, and response surface experiments would be used to optimize the extraction parameters. The results showed that the optimum conditions for total phenolic extraction were determined: ratio of methanol to solid 1∶15 (g/mL), extracting at 55 ℃ for 55 min with, ultrasonic power 270 W. …
Optimization Of Ultrasonic Assisted Extraction Of Phenolic Compounds From Lactarius Hatsudake Tanaka, Lin Hai, Xiong Guohong, He Jianguo, Zhang Xiaoyi
Optimization Of Ultrasonic Assisted Extraction Of Phenolic Compounds From Lactarius Hatsudake Tanaka, Lin Hai, Xiong Guohong, He Jianguo, Zhang Xiaoyi
Food and Machinery
To develop the phenol resources in Lactarius hatsudake Tanaka, solvent extraction with ultrasonic assisted was used. On the basis of single factor test, the solvent, solvent concentration, liquid ratio, ultrasonic time and extraction times were selected as optimum conditions. The results showed that the optimum extraction conditions were ethanol concentration of 56%, solid-liquid ratio of 1∶25 (g/mL), extraction time of 80 min, and extract two times under this condition. The result of ultrasonic assisted extraction is 1.05%, and the result is reliable.
Research Progresses On Processing And Utilization Of Freshwater Fish Surimi And Surimi Products, Tan Li, Zhou Chunxia, Hong Pengzhi
Research Progresses On Processing And Utilization Of Freshwater Fish Surimi And Surimi Products, Tan Li, Zhou Chunxia, Hong Pengzhi
Food and Machinery
In this paper, the processing utilization of freshwater fish surimi and its products were reviewed from three main aspects combined current research at home and abroad, including the processing characteristics and mechanisms, the influencing processing factors, and the deodorization methods. It was pointed out that the shortages of basic researches, transport conditions, and production equipments in the processing and utilization of freshwater fish surimi. It would provide some useful information for exploring the development directions of surimi and surimi products in future, and promote the optimization utilization of freshwater fish resources.
Research Progress On The Detection Method Of Swine Source Components In Food, Cheng Hao, Li Mingsheng, Chen Shien, Ding Gongtao, Tian Xiaojing, Saimaiti Reziwanguli, Du Jianglong, Gao Dandan
Research Progress On The Detection Method Of Swine Source Components In Food, Cheng Hao, Li Mingsheng, Chen Shien, Ding Gongtao, Tian Xiaojing, Saimaiti Reziwanguli, Du Jianglong, Gao Dandan
Food and Machinery
In the food industry, pork adulteration in meat products is comparatively serious due to the economic interests and moral standards, etc., which not only bring hidden dangers to the health of consumers, but also may cause the damage to the social harmony. In this study, the latest application progress and advantages and disadvantages of various detection methods based on DNA, protein, artificial olfactory system, spectroscopic technology, electronic nose and other food stuff were reviewed. This review would provide the basis of the detection of porcine-derived materials andcomponents in food in the future.
Research Progress Of Cold Storage Refrigeration System And Automation, Liu Han, Xie Jing, Wang Jinfeng
Research Progress Of Cold Storage Refrigeration System And Automation, Liu Han, Xie Jing, Wang Jinfeng
Food and Machinery
In recent years, the energy consumption of our country is becoming more and more serious, and the energy consumption of cold storage occupies a considerable proportion in that of all industries. Therefore, it has become more and more important to reduce the energy consumption of cold storage. The energy conservation, the efficient refrigerating system of three commonly used temperature range with －18 ℃ and above, －18 to －60 ℃, 60 ℃ to 100 ℃ was summarized in this review, respectively, and the single-stage compression cycle, two-stage compression cycle and cascade and auto cascade compression cycle several commonly used refrigeration cycle …
Advances In Pulsed Light And Its Applications In Food Industry, Du Yan, Chen Fusheng
Advances In Pulsed Light And Its Applications In Food Industry, Du Yan, Chen Fusheng
Food and Machinery
As one of the novel nonthermal methods, pulsed light (PL) is a technology for the fast, mild and residue free surface decontamination of food and food contact materials. This paper introduces the appliance and mechanism of PL firstly, and then details its application in food sterilization and removal of toxins and allergens. At last, the drawbacks of PL and its possible developments in food industry are discussed.
Optimization Of The Process For The Enrichment Of Pinolenic Acid From Pressed Pine Seed Oil By Urea Inclusion Method, Liu Zhixin, Liu Zhibin, Zhang Gensheng, Yue Xiaoxia, Yang Huiduo, Xu Chunming
Optimization Of The Process For The Enrichment Of Pinolenic Acid From Pressed Pine Seed Oil By Urea Inclusion Method, Liu Zhixin, Liu Zhibin, Zhang Gensheng, Yue Xiaoxia, Yang Huiduo, Xu Chunming
Food and Machinery
The effects of different concentration of ethanol, ratio of fatty acid to urea, ratio of fatty acid to ethanol, inclusion time, inclusion temperature and times of inclusion on pinolenic acid in pressed pine seed oil were studied. Based on results from single factor test, the optimal experimental design was carried out according to the principle of Box-Behnken central combination test design. The urea inclusion regression model of pinolenic acid was established using the comprehensive score of pinot acid content and loss rate as the response value. The results showed that the fatty acid∶urea =1∶2.88（g/g）, fatty acid∶ethanol =1∶7.98 （g/mL）, inclusion time …
Effects Of Different Drying Methods On The Powder Quality Characteristic In Dateplum Persimmon, Qiao Xiaoquan, Ren Guangyue, Qiao Meng, Duan Xu, Zhang Ledao, Lu Yingjie, Tian Xiaoyu
Effects Of Different Drying Methods On The Powder Quality Characteristic In Dateplum Persimmon, Qiao Xiaoquan, Ren Guangyue, Qiao Meng, Duan Xu, Zhang Ledao, Lu Yingjie, Tian Xiaoyu
Food and Machinery
Fruits of Dateplum persimmon were dried to flours by five different drying methods, including hot-air drying, microwave drying, spray-drying, explosion puffing drying, vacuum freeze-drying, and the physical properties of the five powders were measured, such as wetting sinking time, dispersity, solubility, bulk density. The effects of different drying methods on D. persimmon powder quality characteristic was investigated. The Weight of Variation Coefficient were used to determine comprehensive score of the powders to determine the best method to dry. The results showed that the dispersibility, wet sinking ability, moisture absorption, solubility property of the five powders accounted for a larger proportion, …
Optimization Of Processing And Gel Properties Of Low-Salt Silver Carp Surimi Gel Prepared By Ultra-High Pressure, Dai Huimin, Ye Tao, Li Lin, Jiang Shaotong, Lu Jianfeng
Optimization Of Processing And Gel Properties Of Low-Salt Silver Carp Surimi Gel Prepared By Ultra-High Pressure, Dai Huimin, Ye Tao, Li Lin, Jiang Shaotong, Lu Jianfeng
Food and Machinery
In order to improve the gel properties of low-salt surimi, the optimum conditions for the low-salt silver carp surimi gels by ultra-high pressure processing (UHPP) were obtained by means of response surface methodology (RSM), with the gel strength and water holding capacity (WHC) as indicators. The gel properties (texture, gel strength, WHC, protein pattern and microstructure) of the optimized low-salt surimi (1.5% NaCl, 300 MPa), low-salt surimi (1.5% NaCl, 0.1 MPa) and the standard percentage of added salt of surimi (2.5% NaCl, 0.1 MPa) were compared. The results showed that the optimum conditions of low-salt silver carp surimi gels by …