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% …
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. …
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.
The Influence Of Purple Potato Starch On Bread Flour Rheology Properities And Gelatinization Characteristics,
2017
College of Food Science, Southwest University, Chongqing 400715, China
The Influence Of Purple Potato Starch On Bread Flour Rheology Properities And Gelatinization Characteristics, He Zhaowei, Liu Xiong, Zhao Tiantian, Shu Yuanfeng
Food and Machinery
This study aimed at the effects of purple sweet potato powder (PSP) with different amounts (namely null, 5%, 10%,15% and 20%) on the rheological properties and pasting properties of dough tested by farinograph, extensograph, and rapid viscosity analyzer. The results showed that addition of PSP significantly influenced the properties of a dough. With the increase of PSP, the rheological properties and gelatinization properties of the dough were improved, which means PSP could lessen the gluten thews and inhibit the gelatinization and expansion process of wheat dough. However, the PSP could rise the bibulous rates, and reduce retrogradation value, which could …
Effect Of High Pressure Homogenization And Colloid Mill Modification On The Physicochemical Properties Of Insoluble Dietary Fiber From Olive Pomace,
2017
Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing, Jiangsu 210042, China; National Engineering Lab. for Biomass Chemical Utilization, Nanjing, Jiangsu 210042, China; Key and Open Lab. of Forest Chemical Engineering, S
Effect Of High Pressure Homogenization And Colloid Mill Modification On The Physicochemical Properties Of Insoluble Dietary Fiber From Olive Pomace, Ding Shasha, Huang Lixin, Zhang Caihong, Xie Pujun, Deng Yejun, Wang Xiaojie
Food and Machinery
Olive pomace IDF were physical modified by high pressure homogenization (HPH) and colloid mill (CM) in this study. Moreover, the micromorphology, particle size distribution, functional groups, crystal structure and physico-chemical properties of IDF before and after the modification were analyzed. HPH group had looser morphology, more cavities and cracks, average particle size of 66.97 μm. CM group had looser morphology, more fracture, average particle size of 79.52 μm. HPH and CM modification didn’t affect IDF’s functional groups, crystal structure or crystallinity. HPH and CM groups similarly appeared characteristics absorption peaks of sugars similarly, both had celluloseⅠcrystal structure. Compared with unmodified …
Effect Of Preparation Method On Physical And Chemical Properties Of Indica Rice Resistant Starch Of Type Rs3,
2017
College of Food Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China
Effect Of Preparation Method On Physical And Chemical Properties Of Indica Rice Resistant Starch Of Type Rs3, Ouyang Mengyun, Wang Yan, Zhao Chuanwen
Food and Machinery
The indica starch pregelatinized by microwave as raw material, the effect of ultrasonic auxiliary-dual enzyme method and seed induced-dual enzyme method on the structure and physicochemical properties of indica rice resistant starch of type RS3 were researched in this study. The results showed that the structure of the raw starch was polyhedron, the edge of the surface was distinct, the crystal form was type A, and the crystallinity was only 8.9%. While the structure of RS3 were made by ultrasonic auxiliary-dual enzyme method and seed induced-dual enzyme method became rough and uneven, the solubility, swelling degree and water …
Isolation And Identification Of Ginkolides-Producing Endophytic Fungi From Ginkgo Biloba Linn.,
2017
College of Chemistry and Bioengineering in Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China; Hunan Provincial Engineering Research Center for Ginkgo Biloba, Yongzhou, Hunan 425199, China; Key Laboratory of Comprehensive Utilizati
Isolation And Identification Of Ginkolides-Producing Endophytic Fungi From Ginkgo Biloba Linn., Chen Xiaoming, He Fulin, Li Zhizhong, Yuan Zhihui
Food and Machinery
In the present study, the method of tissue culturing was used to isolate the endophytic fungi from healthy ginkgo roots and stems. After repeated separation and purification, 116 Ginkgo endophytes were isolated. Metabolites of these fungi were preliminarily analyzed by high-performance liquid chromatography (HPLC), and a ginkgolide producing endophyte strain was finally screened out. The production of ginkgolides by this strain was more than 11.4 mg/L. The endophytic fungi strain was identified as Mucor spp. by morphology characteristics and phylogenetic analysis of internal transcribed spacer (ITS), and It was the first report in the ginkgolides producing endophytic fungus from Ginkgo …
Study On The Inhibitory Effect Of Onion Peel Flavonoids On Adipocyte Production,
2017
Processing and Storage of Agriculture Products of Jili Agricultural University, Changchun, Jilin 130000, China
Study On The Inhibitory Effect Of Onion Peel Flavonoids On Adipocyte Production, Han Ying, Lin Mo, Liu Haoming, Xu Meina, Xu Hongyan, Li Guanhao
Food and Machinery
Extractions of flavonoid compounds in onion with ethanol, using the optimization factors of single factor and orthogonal design experiments, the flavonoids extraction rate of onion peel was 21.58%. The effect of quercetin on the differentiation of 3T3-L1 preadipocytes was best by separating the flavonoids from the liquid phase and acting on the 3T3-L1 preadipocytes. The expression of fat differentiation related gene FASmRNA was measured in 3T3-L1 adipocytes induced by flavonoid monomers of onion skin for eighth days. The results showed that the relative expression of FAS in 3T3-L1 preadipocytes induced by mRNA in quercetin group was significantly lower than that …
Simultaneous Determination Of Suifonamides And Quiniones Infish By Uplc-Q/Orbitrap Hrms,
2017
Guangdong Pharmaceutical University, Zhongshan, Guangdong 528458, China; Zhongshan Entry-Exit Inspection and Quarantine Bureau, Zhongshan, Guangdong 528400, China
Simultaneous Determination Of Suifonamides And Quiniones Infish By Uplc-Q/Orbitrap Hrms, Yang Luqi, Li Rong, Gao Yongqing, Zhang Pengjie, Zhang Pengyun
Food and Machinery
An Ultra-High Performance Liquid Chromatography-Quadrupole/Electrostatic Field Orbitrap High-resolution Mass Spectrometry method （UPLC-Q-Orbitrap HRMS）has been developed for the determinations of the drug residues of 21 SAs and 12 QNs in aquatic products.The sample was extracted by acetonitrile, cleaned up by acetonitrile saturated normal hexane and quantified in internal standard method.The results showed that 33 products presented a good linear relation in the range of 0.1～100 ng/mL. r2＞0.996. The limits for qualitative detection was 2 μg/kg. The average recoveries at three spike levels ranged were 54.3%～120.4%, with RSDs ranging 1.7%～11.9%. The developed method was easy operation high sensitivity, which can …
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. …
Process Simulation And Performance Study Of Mechanical Vapor Recompression System,
2017
College of Life Science and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China
Process Simulation And Performance Study Of Mechanical Vapor Recompression System, Li Wei, Hong Hongsheng, Zhu Manli, Sun Hongtao
Food and Machinery
Mechanical vapor recompression (MVR) system has been more and more popular because of its good energy-saving effect and small footprint, but how to make the stability and energy-saving of whole MVR evaporation system are better still need to further research on its performance. With the help of Aspen Plus software version, the MVR performance analysis model was set according to the operation principle of MVR to study the relationship between the amount of evaporation, the amount of fresh steam and feed temperature, evaporation pressure, and the relationship between evaporation and boiling temperature and feed concentration (NaCl mass fraction) and evaporation …
Study On Eggshell Breakage Rate Of Egg Detection Mechanism Based On Fem,
2017
Inner Mongola Techical College of Construction, Hohhot, Inner Mongolia 010070, China
Study On Eggshell Breakage Rate Of Egg Detection Mechanism Based On Fem, Wang Shuanqiao, Yu Zhihong
Food and Machinery
In order to improve the detection efficiency of egg quality on-line detection mechanism, and reduce eggshell breakage rate in the detection because of mechanical vibration generated, the modal analysis of the detection mechanism key components of the double circular arc cylinder and frame was carried out, by using the finite element analysis software ANSYS, and then it was tested by experiment. The results showed that the vibration frequency of the detection mechanism, lower than 971.28 Hz, could not cause vibration of double circular drum group, and this helped to reduced the eggshell breakage rate. Moreover, the frame frequency was found …
Simulation Analysis And Optimization Of Pulsed Electric Field Co-Field Sterilization Treatment Chambers,
2017
School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
Simulation Analysis And Optimization Of Pulsed Electric Field Co-Field Sterilization Treatment Chambers, Gao Qingxue, Ping Xueliang
Food and Machinery
As an important part of the high-voltage pulsed electric field (Pulsed Electric Field, PEF) processing system, in order to develop a processing chamber unit suitable for use in combination with multiple processing chambers, we modeled the elliptical embedded type field sterilization processing chamber, and the electric field distribution and hydrodynamic characteristics of the chamber were obtained by ANSYS software. Furthermore, based on the simulation analysis, the structure of the processing chamber was optimized, and a new type of total field sterilization treatment chamber based on the optimization of fluid properties was proposed. It was proved that the performance of the …
Structure Design And Finite Element Analysis Of Spiral Cutter For Bowl-Shaped Jellyfish,
2017
Liaoning Seafood Processing Technology and Equipment Key Lab, Dalian Polytechnic University, Dalian, Liaoning 116034, China; National Engineering Research Center of Seafood, Dalian, Liaoning 116034, China
Structure Design And Finite Element Analysis Of Spiral Cutter For Bowl-Shaped Jellyfish, Wang Deqiang, Tao Xueheng, Wang Mingwei, Wang Xuejun, Lu Jinshi
Food and Machinery
The spiral cutter is the most important working part of the bowl jellyfish automatic cutting machine. In order to ensure the stability of the work, the elastic deformation and the good service life are avoided. The mathematical model of the cutter blade line is established by using the differential geometry. The curvature and torsional size and the law of curvature and torsion with polar angle are simulated by MATLAB. The maximum value of the curvature is 1.57, the minimum is 0.012 47, the maximum torsion is 0.002 46, and the minimum is 0. The three - dimensional solid model of …
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 …
Design And Research Of A New Type Of Vertical Home Flour Mill,
2017
School of Mechanical and Information Engineering, China University of Mining and Technology, Beijing 10083, China
Design And Research Of A New Type Of Vertical Home Flour Mill, Xie Mingzuo, Jia Ruiqing, Ma Fei, Song Tao, Zhou Dongxu
Food and Machinery
A small low speed milling machine has been designed for household use. The device adopts vertical roller mill grinding, and is equipped with the outer cylinder rotation drive screw lift to achieve a uniform grinding mechanism which ensures the produced flour's nutrition structure intact. The function structure and working principle of the mill, the kinematics theory of the roller mill and the lifting mechanism are applied. A new structure of the whole machine as well as its key parts has been performed. The software EDEM has been used to carry out the simulation of the particle transport of flour, and …
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 …
