Drying Characteristics And Mathematical Model On Hot-Air Drying Of Chinese Radish Slices,
2017
School of Liquor and Food Engineering, Guizhou University, Guiyang, Guizhou 550025, China; Institute of Biotechnology, Guizhou Academy of Agricultural Sciences, Guiyang, Guizhou 550006, China
Drying Characteristics And Mathematical Model On Hot-Air Drying Of Chinese Radish Slices, Huang Shan, Wang Xiujun, Shen Changxuan
Food and Machinery
With fresh radish as raw materials, the hot-air drying characteristics of fresh radish under different conditions of hot-air temperature, air velocity and slice thickness were investigated in this study. Then the fitting of experimental data and the applicability of 7 different mathematical models for the process of hot-air drying radish was compared. The results showed that the hot-air drying process of radish mainly occured in falling-rate drying period and the constant-rate period is not obvious. Hot-air temperature and slice thickness have a greater effect on drying-rate, relatively, while the effects of air velocity is less. The higher the temperature, the …
Study And Optimization On Extraction Process And Physical Characteristics Of Soluble Dietary Fiber From Phaseolus Radiatus Hull,
2017
College of Food & Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471023, China; Food Materials Engineering Technology Research Center of Henan Province, Luoyang, Henan 471023, China
Study And Optimization On Extraction Process And Physical Characteristics Of Soluble Dietary Fiber From Phaseolus Radiatus Hull, Luo Lei, Wang Yaqi, Ma Liping, Zhu Wenxue, Zhang Kuan, Ji Qinghua, Ma Yongzhe
Food and Machinery
Superfine grinding-assisted enzymatic extraction of soluble dietary fiber from Phaseolus Radiatus hull were studied, and the extraction conditions were optimized by two general rotary combination design. Then the properties were studied. The results showed that the superfine grinding could significantly improve the extraction rate of soluble dietary fiber of Phaseolus radiatus hull, when the particle size was 25～38 μm, and the enzymatic extraction of soluble dietary fiber were: ratio of solvent-to-solid 331 (mL/g), enzyme solution temperature, 60 ℃, ratio of enzyme-substrate 190 U/g, the enzymolysis time 2 h. Under this conditions, the yield of soluble dietary fiber reached 14.02%, the …
Study On Total Polyphenol Content And Antioxidant, Antimicrobial Activities Of Different Polarity Fractions Of Chimonanthus Salicifolicus Hu Leaves,
2017
College of Life and Environment Science, Huangshan University, Huangshan, Anhui 245041, China
Study On Total Polyphenol Content And Antioxidant, Antimicrobial Activities Of Different Polarity Fractions Of Chimonanthus Salicifolicus Hu Leaves, Wu Yongxiang, Wang Xiang, Jiang Haitao, Ding Kangjun, Zhao Chenglong, Hu Changyu
Food and Machinery
Chimonanthus salicifolicus Hu leaves extracts were prepared by methanol circumfluence extraction. Five fractions were obtained by extraction with different polar solvents including n-hexane, dichloromethane, ethyl acetate, n-butanol and water. Then fractions were detected by total polyphenol content, reducing power, scavenging DPPH free radical and antimicrobial activities. The results showed that all the fractions exhibited high content of total polyphenol, and ethyl acetate fraction had the highest phenolic compounds, with the content of (309.50±4.81) mg/g. The fractions had strong antioxidative capacities such as reducing power and DPPH free radical scavenging ability. The fractions of methanol, n-hexane, dichloromethane, ethyl acetate, n-butanol and …
Effects Of Onion Peel Extract On Antioxidant And Quality Of Western Sausage,
2017
Food Research Center of Yanbian University, Yanji, Jilin 133000, China
Effects Of Onion Peel Extract On Antioxidant And Quality Of Western Sausage, Xu Meina, Chen Naiyang, Mu Baide, Wang Zengkai, Yu Shuai, Cui Taihua, Li Guanhao
Food and Machinery
The effects of acid value, peroxide value and thiobarbituric acid value on the degree of lipid oxidation during the storage process were observed. The quality and flavor of the onion skin extract were determined by color difference and whole texture analysis. The effects of onion peel extracts on the color, texture and oxidative stability of western sausages were investigated. The results showed that the addition of onion peel extract is 0.5%, which not only inhibits the oxidation of fat, but also improves the color of western sausages, reduces the hardness, elasticity and chewiness of western sausages.
Effects Of Wall Breaking Manners On The Inhibition Of Alpha Glucosidase Activity In Bee Pollen,
2017
College of Food Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China
Effects Of Wall Breaking Manners On The Inhibition Of Alpha Glucosidase Activity In Bee Pollen, Liu Wenjing, Zhang Zhixu, Qin Dan
Food and Machinery
The wall of rape bee pollens were broken by using different methods, and them the water-soluble ingredients were extracted. Therefore, the 4-Nitrophenyl α-D-glucopyranoside (PNPG) was as substrate to evaluate the efficiency of bee pollen as a natural alpha glucosidase inhibitor. The results showed that the wall-breaking manners had significant effect on the active ingredient. The inhibition rate of thealphaglucosidase was found ordered as following, temperature difference (13.73±1.15)%, supercritical CO2 (-8.07±0.93)%, ultrasonic assisted enzymatic (16.70±0.87)%,and untreated (9.68±0.89)%. Moreover, the inhibition rate of rape pollen polysaccharide on alpha glucosidase activity was fluctuated at （2.46±0.31）%~（-0.78±0.03）%, and there was no obvious linear relationship. …
Effects Of Fillers On Structure And Sensory Quality Of Reconstituted Tobacco Sheet,
2017
Technology Center of China Tobacco Zhejiang Industrial Co., Ltd., Hangzhou, Zhejiang 310024, China
Effects Of Fillers On Structure And Sensory Quality Of Reconstituted Tobacco Sheet, Lu Xinbo, Dai Lu, Shi Chunyun, Huang Hua, Yang Jun, Wu Zhihong, Xiao Wei, Tao Feng, Zhou Guojun
Food and Machinery
In this paper, the application and optimum adding dosage of calcium carbonate, diatomite and titanium dioxide with different crystal form and particle size distribution on reconstituted tobacco sheet were investigated, and the effects of adding dosage on the physical properties of the reconstituted tobacco were discussed. The difference of filler retention on reconstituted tobacco was compared by the SEM and TG. The results showed that: the retention of diatomite and titanium dioxide was obviously higher than calcium carbonate, and the bulk and thickness were improved with diatomite and titanium dioxide; the tensile strength was highest at adding dosage of 10% …
Establishing Sensory Evaluation Equation For Apricot By Regression Analysis Method,
2017
College of Science and Technology, Xinjiang Agricultural University, Urumqi, Xijiang 830052, China
Establishing Sensory Evaluation Equation For Apricot By Regression Analysis Method, Zhou Tong, Cheng Kai, Dong Zhuoqun, Li Huanrong, Sheng Manli, Yan Xue, Jing Yuxuan
Food and Machinery
The influence of quality of apricot plum by boiling permeating sugar, vacuum permeating sugar and ultrasonic permeating sugar were investigated, and the regression equation of sensory evaluation was established in this study. The Xinjiang Cemaiti apricot was used to study the difference of sugar content, shearing force and chromatic aberration, comparing among apricots prepared by 3 kinds of permeating sugar method. The optimum process was calculated and the regression equation was evaluated by stepwise regression method. The results showed that the content of sugar in the apricot was increased with the cooking times, the degree of vacuum and the ultrasonic …
Optimization The Technology Of Preparation Of Whole Sweet Orange Cloudy Juice By Complex Enzymatic,
2017
Longping Branch Graduate School, Hunan University, Changsha, Hunan 410125, China
Optimization The Technology Of Preparation Of Whole Sweet Orange Cloudy Juice By Complex Enzymatic, Sun Junjie, Fu Fuhua, Li Qili
Food and Machinery
The whole sweet orange cloudy juice was produced for investigation in the current study. Treated with pectinase and protease, one-factor-at-a-time and orthogonal array design methods were used to optimize hydrolysis conditions based on juice yield and suspension stability. The optimum conditions were as follows: pectinase amount 0.01%, protease amount 0.2%, the enzymolysis time 40 min, and the enzymolysis temperature 40 ℃. In these conditions, the 30% puree content whole fruit juice yield was up to 83.27%, and the absorbance at 660 nm was 0.431. The results showed that the enzymatic treatment could improve the juice yield greatly and remain the …
Preparation And Properties Of Spray Dried Sea-Buckthorn Seed Oil Microcapsules,
2017
Jiangxi Academy of Agricultural Sciences, Nanchang, Jiangxi 330200, China; Jiangxi Normal University, Nanchang, Jiangxi 330022, China
Preparation And Properties Of Spray Dried Sea-Buckthorn Seed Oil Microcapsules, Liu Guangxian, Zhou Jinying, Zhu Shuilan, Xiong Huiwei, Feng Jianxiong
Food and Machinery
The sea-buckthorn seed oil microcapsules were prepared by spray drying technique with three kinds of recipes (CAS/MD, OSA/MD, WPI/GA/MD). The properties and microstructure of sea-buckthorn seed oil microcapsules were studied. Moreover, the content of fatty acid in sea-buckthorn seed oil before and after microencapsula-tion was determined by gas chromatography. The results showed that the microcapsules of the three formulations had low water content and high solubility. The encapsulation efficiency of sea-buckthorn seed oil microcapsule prepared with CAS/MD as wall material was highest. The sea-buckthorn seed oil microcapsules had small particle size, smooth surface, good thermal stability and uniform wall thickness. …
Fabrication And Application Of Paper Based Microfluidic Chip,
2017
College of Food Science ＆ Technology, Shanghai Ocean University, Shanghai 201306, China
Fabrication And Application Of Paper Based Microfluidic Chip, Yan Yu, Xu Changhua, Gu Dongchen
Food and Machinery
As the core of the miniaturized total analysis system, microfluidic chip has the characteristics of high efficiency separation, rapid analysis, low reagent consumption and miniaturization, provides a new platform for rapid detection analysis. With the development of microfluidic technology, paper based microfluidic chip has been widely used because of its low cost, easy fabrication and convenient carrying. This paper mainly introduces the processing technology of paper based microfluidic chip, including wax printing method, UV lithography and plasma processing technology, inkjet printing technology and wax dipping technology, cutting technology and the application of paper-based microfluidic chip.
Application Progress Of X-Ray Fluorescence Spectroscopy In The Detection Of Heavy Metals In Soil,
2017
College of Computer and Information Technology, China Three Gorges University, Yichang, Hubei 443002, China; Department of Beijing Research Center for Agricultural Standards and Testing, Beijing Academy of Agriculture and Forestry Science, Beijing 100097,
Application Progress Of X-Ray Fluorescence Spectroscopy In The Detection Of Heavy Metals In Soil, Meng Lei, Han Ping, Wang Shifang, Ren Dong, Wang Jihua
Food and Machinery
This paper first describes the X-ray fluorescence analysis technology application. Secondly, the effects of different soil preparation conditions and detection conditions on the detection of X-ray fluorescence spectroscopy and the application of spectral analysis and model optimization are introduced. Finally, the development prospect of X-ray fluorescence spectrum detection technology is briefly discussed.
Legislative Suggestions On Formula Foods For Special Medical Purpose,
2017
Southwest Medical University, Luzhou, Sichuan 646000, China
Legislative Suggestions On Formula Foods For Special Medical Purpose, Wang Linzhi, Wang Min, Liu Xuewu
Food and Machinery
From the perspective of the legislation of formula foods for special medical purposes, this paper analyzes its current legislation situation and existing problems, and describes its legislation significance. Based on this, t suggested to promote the democracy and scientificity of health care legislation by taking the following measures: insisting on the legislation idea of core value of health equity, widely collecting health rights and interests of people with special medical condition, following the medical ontology characteristics and demonstrating and assessing scientifically, etc.
Research Of The Cultural Significance And Modern Inheritance On Local Food,
2017
School of Art and Design, Changsha University of Science and Technology, Changsha, Hunan 410114, China
Research Of The Cultural Significance And Modern Inheritance On Local Food, Ouyang Guohui, Guo Jia
Food and Machinery
In the context of the current national efforts to develop the rural leisure tourism industry based on the local culture and the willingness of the urban people to return to the local feelings, the current local food is facing the problem of being forgotten or even extinct, from the discussion of local food and rural culture. The paper analyzes the three cultural meanings of the ecological culture connotation, the historical and cultural connotation and the emotional connotation of the local food, and thinks and interprets the phenomenon of the green and cultural return of the modern food ecology, then puts …
Effect Of Different Content Of Potato Granule On The Quality Of Flour And Dried Noodle Mixed With Potato And Wheat,
2017
College of Food Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China;Food Science and Biotechnology Key Laboratory of Hunan Province, Changsha, Hunan 410128, China
Effect Of Different Content Of Potato Granule On The Quality Of Flour And Dried Noodle Mixed With Potato And Wheat, Zeng Xike, Zhang Lilin, Liu Jingfeng, Zhang Yu
Food and Machinery
By adding potato granule with different proportions in wheat flour, the farinograph properties, gelatinization characteristics of the mixed flour, and the cooking characteristics and texture characteristics of dried noodles were measured to evaluate the effect of potato granule on the quality of wheat flour and noodles. The results showed that the values of peak viscosity, valley viscosity, breakdown, final viscosity and setback decreased with increasing addition of potato granule; the dough development time, stability time and degree of softening first decreased and then increased, and the water absorption increased linearly. The cooking loss, the best cooking time of dried noodles …
Optimization Of The Technology For Reducing Cadmium In Rice By Mixed Fermentation,
2017
College of Food Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China
Optimization Of The Technology For Reducing Cadmium In Rice By Mixed Fermentation, Chen Yao, Liao Luyan, Wu Weiguo
Food and Machinery
Rice with cadmium content of 0.977 8 mg/kg was studied as the main material, its cadmium removal rate was regard as the basic measuring index. The process parameters of reducing techniques for cadmium-tainted rice were optimized by single factor test and Box-behnken response surface design. The investigation were focused on the effects of temperature, time, mesh number of rice, solid-liquid ratio, and inoculation amount. The optimal parameters were found as follows: mesh number of rice 40, inoculation amount 3, solid-liquid ratio 15, treated at 37 ℃ for 21 h. Under this optimum conditions, the cadmium removal rate was 89.98%, which …
Uncertainty Evaluation For The Determination Of Solvent Residual In Vegetable Oil By Headspace Gas Chromatography And Ultrasonic Vibration-Headspace Gas Chromatography,
2017
Chenzhou Center for Food and Drug Control, Chenzhou, Hunan 423000, China
Uncertainty Evaluation For The Determination Of Solvent Residual In Vegetable Oil By Headspace Gas Chromatography And Ultrasonic Vibration-Headspace Gas Chromatography, Zhang Hongli, Xu Junhua, Xu Wenyang, Li Yong
Food and Machinery
The possible uncertainties in the determination of No.6 solvent residual in vegetable oil by headspace gas chromatography and ultrsonic vibration-headspace gas chromatography were analyzed and evaluated. According to Evaluation and Expression of Uncertainty in Measurement (JJF 1059.1—2012) and Guidance on Evaluating the Uncertainty in Chemical Analysis (CNAS-GL06), a mathematical model of uncertainty was established. To quantify each component, the results showed that the key influence factor of uncertainty of test was the pretreatment of samples and its standard curve.
Design Of The Rectifying Fuzzy Control System Of The Bag Film Of Pouch Pecan Kernel Packaging Machine,
2017
College of Engineering, Anhui Agricultural University, Hefei, Anhui 230036, China
Design Of The Rectifying Fuzzy Control System Of The Bag Film Of Pouch Pecan Kernel Packaging Machine, Hu Wangyang, Cao Chengmao, Wu Zhengmin, Jiang Lan, Hu Mengke
Food and Machinery
In order to reduce the influence on the appearance and quality of production on the pecan kernel pouch packaging machine, caused by bag film deviation, we proposed an intelligent control scheme based on fuzzy control. Firstly, the reasons of bag film deviation and the rectification feasibility in the working process of the film-drawing mechanism was analyzed. Furthermore, a model of deviation correction control was designed to detect the offset of the bag film by using the CCD sensor, and the fuzzy control rules were established to adjust the film-drawing velocity and the deviation angle of correcting rod in real time. …
Design And Analysis For Key Parts Of Pneumatic Conveying Of Airflow Disturbance,
2017
School of Mechanical and Electronic Engineering, Wuhan Huaxia University of Technology, Wuhan, Hubei 430223, China
Design And Analysis For Key Parts Of Pneumatic Conveying Of Airflow Disturbance, Wang Jihuan, Liu Qijue
Food and Machinery
According to the actual situation of higher energy consumption, as well as the greater fluctuations of yield and unstable feed quantity of suction nozzle in pneumatic conveying, the mechanism of airflow disturbance was analyzed. The grain suction nozzle of airflow disturbance was designed by using return air of positive pressure of pneumatic conveying as disturbed gas source, which could increase mixture between grain and airflow of grain inlet, by helping grain entering system and energy transmitting as well as converting. The use of separator of large curvature elbow had advantages of one wind multipurpose, including anti-collision, anti-broken, dust removal, energy …
Study On A New Metal Detector,
2017
XiJing University, Xi’an, Shaanxi 710123, China
Study On A New Metal Detector, Huang Jian
Food and Machinery
A new metal detector was designed, using LDC1000 digital inductance sensor and self-made coil as the metal detection sensor, based on eddy current principle. When the metal near the coil, caused by the mutual inductance, the LC oscillation circuit’s frequency changed, and the changed frequency could be converted to the digital output data. Furthermore, the data could be sent to STM32 for process and display, through the SPI interface. When the test value exceed threshold value, it could cause sound and light alarm. The test metal could detect 0.6 mm diameter of thin wire, and it might be used to …
Study On Different Water Addition Changes In The Quality And Structure Of Fermented Dry Beans,
2017
College of Food Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China; Hunan Provincial Key Laboratory of Food Science and Biotechnology, Changsha, Hunan 410128, China
Study On Different Water Addition Changes In The Quality And Structure Of Fermented Dry Beans, Liu Chucen, Tan Xinghe, Zhang Chunyan, Wang Feng, Guo Hongying, Li Qingming, Zhou Hongli, Liu Zongmin, Wang Lanshu, Yan Qinwu
Food and Machinery
This paper used dried cowpea as materials to study the different proportion of water which effected the quality of cowpea with wild fermentation method. The results showed that, during the fermentation process, with the addition of water, the cowpea’s pH value decreased. The total acid content increased with the water addition except when the amount of water was 12%. The peak of nitrite was slower and lower than others when proportion of water was 16% and 20%. The content of volatile ester increased firstly, then keep invariability. And the content of volatile ester was higher than the proportion of water …
