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Articles 115231 - 115260 of 255945

Full-Text Articles in Life Sciences

Evolution Of Packing Form And Packing Design Of Ancient Chinese Tea, Wu Yuqing, Chen Peiyao Feb 2017

Evolution Of Packing Form And Packing Design Of Ancient Chinese Tea, Wu Yuqing, Chen Peiyao

Food and Machinery

The evolution of the Chinese tea culture is illustrated through the research in tea packing from the Warring States Period to the Ming & Qingdynasties. Influences of politics, economics and cultures of different dynasties in tea packing are discussed. Philosophical thoughts, aesthetic tastes and cultural features included in tea packing are demonstrated, as well as packing materials, packing crafts, design styles and production techniques. All of these research results will be useful references to the innovation of modern tea packing design.

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Design And Application Of The Mini Heat Pump System For Drying And, Feng Daoning, Sun Jian, Li Li, Li Zhichun, Sheng Jinfeng Feb 2017

Design And Application Of The Mini Heat Pump System For Drying And, Feng Daoning, Sun Jian, Li Li, Li Zhichun, Sheng Jinfeng

Food and Machinery

A small drying and refrigerating dual-purpose heat pump system for batch processing agriculture products was developed. The system was featured with low cost, improved structure of insulated room and new wet discharge-cycle air duct. heat pump selection of mixed refrigerant aimed at the drying highest temperature and the lowest refrigeration temperature respectively was 75 ℃ and 5 ℃. These reach results demonstrated that the system was stable, meet the design requirements of the high limit temperature and dehydrate rate in dry heating mode, and work well in keep-fresh mode.

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The Exploring And Improvement Of The Temperature Control System In The Corn Drying Tower, Cai Youjie, Wu Zhidong, Wang Xuefeng, Bao Li, Zhang Jinfeng Feb 2017

The Exploring And Improvement Of The Temperature Control System In The Corn Drying Tower, Cai Youjie, Wu Zhidong, Wang Xuefeng, Bao Li, Zhang Jinfeng

Food and Machinery

To effectively guarantee the grain drying temperature to keep in safe range, a downstream type corn drying tower temperature control system was designed combining the multi-sensor detection and the even putting fuzzy control technology. With AT89C51 as the development platform, and the programmable temperature sensor DS18B20 was used via a serial port communication and transport to the LabVIEW system. Moreover, according to the upper machine, the temperature was detected as the data for feedback system adjustment, and anti-saturation PID control algorithm, the size of single chip microcomputer output duty cycle was adjusted. Thus the drive circuit heat fan speed was …

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Establishment Of A Prediction Model For Shelf Life Of Lard Cookies, Zou Qingqing, Liu Xuejun, Wang Huiling, Ding Fang, Lu Ning Feb 2017

Establishment Of A Prediction Model For Shelf Life Of Lard Cookies, Zou Qingqing, Liu Xuejun, Wang Huiling, Ding Fang, Lu Ning

Food and Machinery

Accelerated shelf-life testing and Arrhenius equation were adopted to establish the shelf-life prediction model for lard cookies. With peroxide value as the deterioration index, peroxide value curves of lard cookies during different storage under shelf-life storage condition(25,35,45,55 ℃) was in line with first-order reaction kinetic model. The influence of the number of repetitions, the number of detection points and the time interval on the prediction of the shelf-life prediction model under accelerated storage conditions was studied. The results showed that the number of detection points has the greatest influence on the prediction accuracy, followed by the number of detection repetitions, …

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Study On Acivity And Structure Analysis Of Ectracts From Chinese Chestnut Shell By Ethyl Acetate, Shi Lingling, Wang Jianzhong, Liu Yujun, Ma Chao, Li Yijing, Dai Jianrong, Cao Yang, Teng Wanzhao Feb 2017

Study On Acivity And Structure Analysis Of Ectracts From Chinese Chestnut Shell By Ethyl Acetate, Shi Lingling, Wang Jianzhong, Liu Yujun, Ma Chao, Li Yijing, Dai Jianrong, Cao Yang, Teng Wanzhao

Food and Machinery

Investigated and analyzed the activity of ethyl acetate extract of chestnut shell and the components by UPLC—MS/MS. Antioxidant activities were carried out by DPPH radical scavenging assays and ABTS radical scavenging assays. The inhibitory activity of alpha glycosidase enzymes was measured by PNPG method. Qualitative analysis was performed by UPLC—MS/MS for analysis of major active components in ethyl acetate extracts. It determined that ethyl acetate extracts of Chestnut shell possessed remarkable DPPH radical scavenging activity, ABTS radical scavenging activity and high inhibitory activity of alpha glycosidase enzymes owing to the fat-soluble flavonoids are the main active components.

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The Antioxidant Activities And Protection On Dna Oxidative Damage Of Flavonoid From The Flowers Of Abelmoschus Manihot, Li Wang, Sun Peidong, Ji Xiaotong, Lu Shuai Feb 2017

The Antioxidant Activities And Protection On Dna Oxidative Damage Of Flavonoid From The Flowers Of Abelmoschus Manihot, Li Wang, Sun Peidong, Ji Xiaotong, Lu Shuai

Food and Machinery

The ethanol extracts of flowers from Abelmoschus manihot was extracted by petroleum ether、ethyl acetate and n-butyl alcohol, and four different polar portions were obtained. The scavenging effect of different phases on DPPH·, ·OH and H2O2 were studied to research the antioxidant activities of each phase. Moreover, the protection of n-butyl alcohol phase on DNA oxidative damage was also studied, and the flavonoids component was identified by HPLC-MS. The results showed that the ethyl acetate phase had the best scavenging effect on DPPH·, with IC50 value 0.038 6 mg/mL. However, the n-butyl alcohol phase had scavenge ·OH …

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Separation,Purification And Antibacterial Activity Of Total Flavonoids From Catalpa Root Bark, Shao Jinhua, He Fulin, Chen Xia, Xie Yu Feb 2017

Separation,Purification And Antibacterial Activity Of Total Flavonoids From Catalpa Root Bark, Shao Jinhua, He Fulin, Chen Xia, Xie Yu

Food and Machinery

Taking the adsorption rate and desorption rate as the evaluation indexes, macroporous resin was adopted to optimize the separation and purification technology of total flavonoids from Catalpa root bark, and the antibacterial activity of the purified total flavonoids from Catalpa root bark was investigated. The results indicated that the optimal technological conditions for the separation and purification of total flavonoids from Catalpa root bark were as follows: application of NKA-II resin; mass concentration, flow rate and pH value of loading buffer of 0.538 mg/mL, 1.66 mL/min and 4.01, respectively; concentration of eluant ethyl alcohol of 70%; and elution flow rate …

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Extraction Of Pomegranate Seed Oil By Low-Temperature Continuous Phase Transition And The Analysis Of Its Fatty Acid, Du Jie, Cao Yong, Dai Weijie, Yang Guohang Feb 2017

Extraction Of Pomegranate Seed Oil By Low-Temperature Continuous Phase Transition And The Analysis Of Its Fatty Acid, Du Jie, Cao Yong, Dai Weijie, Yang Guohang

Food and Machinery

It was mainly elaborated the in this study grease extraction from pomegranate seed by using the technology of continuous phase transition extraction at low temperature. The extraction technology was optimized through the orthogonal experiment L9(34) based on the index of grease yield.Moreover, pomegranate seed oil physicochemical properties and the fatty acid composition werealso analyzed. It turned out that the best process conditions for the continuous phase transition extraction at low temperature of the pomegranate seed oil included raw material granularity containing 60 mesh, extracted under about 0.5 MPa for 70 min, extracting at 45 ℃ and …

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Optimization Of Extraction Process For Anthocyanins From Blueberry Pomace By Response Surface Methodology, Zhang Panpan, Wang Li, Shi Zhijun, Du Meijun Feb 2017

Optimization Of Extraction Process For Anthocyanins From Blueberry Pomace By Response Surface Methodology, Zhang Panpan, Wang Li, Shi Zhijun, Du Meijun

Food and Machinery

The optimization of the ultrasonic extraction of anthocyanins in blueberry pomace by the response surface method was investigated in this study. With tartaric acid acidification ethanol extracting anthocyanins from blueberry pomace, with appling ultrasonic assisted extraction, anthocyanin extraction rate was determined by using the double wavelength pH differential method. Through the single factor experiment, to determine the best conditions were determined, and then the extraction process conditions of anthocyanins in blueberry pomace were optimized using the response surface analysis. The results showed that the extraction conditions on the influence of the anthocyanins blueberry pomace extraction yield order was as follows. …

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Optimization Of Germinationp Process And Analysis Of Nutritional Components In Hull-Less Barley, Dong Jilin, Li Pengchong, Shen Ruiling, Shao Shu Feb 2017

Optimization Of Germinationp Process And Analysis Of Nutritional Components In Hull-Less Barley, Dong Jilin, Li Pengchong, Shen Ruiling, Shao Shu

Food and Machinery

The effects of germination on total phenolics and β-glucan in barley were studied by single factor and Orthogonal experiment, and the Optimum process parameters of barley germination were obtained. The results showed that the optimum technological conditions were as follows, i.e. The seed were germinated at 30 ℃ for 2 days using the pH 7.0 solution. Under this condition, 1.13 mg/g of total phenol and 2.31% of β-Glucan were obtained. On the basis of the best germination process, the changes of nutrient composition and enzyme activity before and after germination of highland barley were also studied. The results showed that …

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Optimization On Direct Powder Compression Of Maca Powder Technology Based On Response Surface Method, Chen Longfei, Wang Min, Fan Liuping, Ding Zhansheng, Ding Shaodong Feb 2017

Optimization On Direct Powder Compression Of Maca Powder Technology Based On Response Surface Method, Chen Longfei, Wang Min, Fan Liuping, Ding Zhansheng, Ding Shaodong

Food and Machinery

Appropriate excipients were selected for direct compression process of maca tablets according to the powder properties. The influence of different excipients and water content was investigated based on single factor test with tablet weight variation, friability, hardness and disintegration time as comprehensive scores. Regression equation was established to figure out the optimalsolution. The result shows that, magnesium stearate microcrystalline cellulose SH102 and lactose content were selected as suitable excipients. The best prescription and technology of the direct powder compression technology of maca powder was obtained as follows: Water content of 7.76%, magnesium stearate content of 0.85%, microcrystalline cellulose content of …

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Optimization Of Hot Air Vacuum Freeze Drying For Eurotus Eryngii, Sun Cui, Wang Yu, Sheng Xiaorui, Li Kuokuo Feb 2017

Optimization Of Hot Air Vacuum Freeze Drying For Eurotus Eryngii, Sun Cui, Wang Yu, Sheng Xiaorui, Li Kuokuo

Food and Machinery

In order to increasing the drying speed, quality and energy consumption in the for Eurotus eryngii drying, the effects were studied, of from the hot-air temperature, hot-air time and vacuum freeze-drying time,on drying rate, sense judgment, rehydration ratio and Amino acids by using the Box-Behnken optimal design. Based on the experimental data, the response surface methodology was employed for the muli-variable experiments and the regression model was established. The optimal parameters were obtained as follows: hot air drying temperature 50 ℃, hot air drying time is 60 min, and the vacuum freeze-drying time is 10 h. The combined drying method …

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Thermal Drying Methods Of Yeast And The Ways To Improve The Activity, Zhang Hongyan, Zeng Kaifang, Zhou Yahan, Deng Lili, Yao Shixiang Feb 2017

Thermal Drying Methods Of Yeast And The Ways To Improve The Activity, Zhang Hongyan, Zeng Kaifang, Zhou Yahan, Deng Lili, Yao Shixiang

Food and Machinery

Drying the yeast cells into a dormant state, that is, preparing solid active dry yeast, and the active dry yeast is convenient for transport and storage, and widely used in the fields of wine making, baking, biological control and so on. During the process of preparing active dry yeast, drying the yeast is an important step. It was introduced that the thermal drying methods, including drying methods of using vacuum, spray, and fluidized bed, which are economical, high in feasibility, low energy consumption, and can be preserve for a long time. Moreover, the factors affect the activity of dry yeast …

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Effects On Stability And Qualities Of Whole Wheat Flour By Treatment Of Vacuum Tempering With Alkaline Solutions, Wang Mingying, Guo Xiaona, Zhu Kexue Feb 2017

Effects On Stability And Qualities Of Whole Wheat Flour By Treatment Of Vacuum Tempering With Alkaline Solutions, Wang Mingying, Guo Xiaona, Zhu Kexue

Food and Machinery

To producce the whole wheat flour which has lower enzyme activity and higher stability, the wheat was tempered with Na2CO3 solution (0.10%, 0.25%, 0.50%) in vacuum condition (-0.04, -0.07 MPa). LF- NMR was used to observe the water transfer process in kernel and the activity of Lipase was evaluated. Then milled the wheat and produced the whole wheat flour, the stability and quality characteristics of whole wheat flour were studied. The results showed that the value of A21 was increased during tempering, and tempered in vacuum condition with alkali solution could inhibit the activity of lipase …

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Study On Extraction Of Corn Kernel Embryo By Rsg Base On Bilateral Filtering, Wang Bingqiang, Cheng Hong, Liu Chong Feb 2017

Study On Extraction Of Corn Kernel Embryo By Rsg Base On Bilateral Filtering, Wang Bingqiang, Cheng Hong, Liu Chong

Food and Machinery

Embryo is an important part of the corn kernel. Its characteristics can help to improve the automatic recognition rate of corn variety. This paper was on the extraction of embryo from the image of corn kernel. Jingke 25 which was commonly used in North China was selected as study objects. A bilateral filtering combined with the growth of the seed region (RSG) method was proposed to extract corn kernel embryo. The obtained embryo was the same with the observed by eyes. The area and perimeter of the embryo were calculated to be compared with the area and perimeter measured by …

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Kinetics Of Colour Change Of White Apricot In Xinjiang During Hot-Air Drying, Yan Shengkun, Li Zhongxin, Wang Qinghui, Sun Linai Feb 2017

Kinetics Of Colour Change Of White Apricot In Xinjiang During Hot-Air Drying, Yan Shengkun, Li Zhongxin, Wang Qinghui, Sun Linai

Food and Machinery

In order to ensure white apricot a good color after drying, avoiding brown appearance, as well as provide the theoretical basis for the selection of drying equipment and process determination of the small white apricot, the hot-air drying method was investigated in this study. The brightness value (L), red-green value (a), yellow-blue value (b), total chromatic aberration (△E) and browning index (BI) were taken as the study indexes, the influence of different hot-air drying temperatures (40, 50, 60 ℃) and wind speeds (2, 3, 4 m/s) on Xinjiang white apricot was studied. Moreover, the dynamic model of its color change …

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Forecasting Method Of Fumonisin In Corn Using Near Infrared Spectra Technique, Zhang Lin, Dang Nan, Yang Lin, Li Yawen, Yuan Xunfeng Feb 2017

Forecasting Method Of Fumonisin In Corn Using Near Infrared Spectra Technique, Zhang Lin, Dang Nan, Yang Lin, Li Yawen, Yuan Xunfeng

Food and Machinery

In order to forecast the content of fumonisin in corn using the infrared spectrum analysis technology, and reduce the differences caused by their yield region, the influence of experiment using 4 different origin of domestic corn were investigated. The method of using x－y co-occurrence distance could be divided into calibration sample and validation sets, using the classical and different regions based on the partial least squares, and then the prediction model of fumonisin maize hybrid origin, and USES the validation set samples to validate the prediction precision, respectively. In order to reduce the computational complexity of modeling and forecasting process, …

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Study On Criminal Policy Of Food Safety Crime In China, Mei Chuanqiang, Diao Xueyun Feb 2017

Study On Criminal Policy Of Food Safety Crime In China, Mei Chuanqiang, Diao Xueyun

Food and Machinery

With the deepening of the process of industrialization, the threat of food security in modern society has the characteristics of normalization and severity, and thus put forward new requirements for the criminal policy of food safety crime. In view of the current criminal policy in the criminal law of our country, there are still a series of problems, such as the conviction scope is too narrow, punishment is too light, and the role of criminal regulation is too small, it is necessary to change the current criminal policy, take some efficient measures, such as expanding the scope of the criminal …

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Determination Of 39 Main Flavor Components In Cigarette By Ase—Gc/Ms, Guo Lei, Li Juanjuan, Suo Weiguo, Tian Yaowei, Luo Juanmin, Xu Da, Shao Dengyin, Li Fulong, Sun Qiang, Cai Jibao, Su Jiakun Feb 2017

Determination Of 39 Main Flavor Components In Cigarette By Ase—Gc/Ms, Guo Lei, Li Juanjuan, Suo Weiguo, Tian Yaowei, Luo Juanmin, Xu Da, Shao Dengyin, Li Fulong, Sun Qiang, Cai Jibao, Su Jiakun

Food and Machinery

The flavor components in 15 domestic cigarettes were extracted with dichlorome-thane by accelerated solvent extraction (ASE), using methyl nonoate as internal standard，a method for semi-quantitative analysis of 39 main flavor components including of acetic acid, 3-Methylbutanoic acid, hexadecoic acid, 2-acetylpyrrole, furfural, furfuryl alcohol, be-nzoic alcohol, phenethyl alcohol, solanone, beta-ionone, phytone, megastigmatrienones (4 isomers), 3-hydroxy-β-damascone, 4-vinyl guaiacol, 5-hydroxy maltol, dihydroactinidiolide et al. by GC/MS/SIM was developped. The results showed that the RSDs ranged from 2.25%~6.49%, the RSD of beta-ionone's determination result was over 5% for the its low content，the other components were below 5%. There was bigger difference between the content …

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Simulation Analysis Of The Effecton Homogeneous Performance From Micro Structure Of Homogeneous Cavity Inner Wall, Dong Shu, Shi Yanbin, Rong Xueqing Feb 2017

Simulation Analysis Of The Effecton Homogeneous Performance From Micro Structure Of Homogeneous Cavity Inner Wall, Dong Shu, Shi Yanbin, Rong Xueqing

Food and Machinery

Based on the phenomenon that the change of flow state caused by the wall roughness, in order to research the effect of micro structure on the surface of the inner wall of the high pressure homogenization cavity in the high pressure homogenizer to homogenization performance, the groove micro structure is structured on the inner of smooth homogenization cavity, and a computer fluid dynamics (CFD) technique is used to model the two-phase flow in a high pressure homogenizer. This paper will study the high pressure homogenization cavity in the APV-high pressure homogenizer, the oil-water emulsion as the homogeneous materials, the smooth …

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Jujube Motion Analysis And Its Reliability Analysis Of Image Acquisition, Dai Hongchun, Liang Ning, Dang Xiaohui, Hu Yaohua Feb 2017

Jujube Motion Analysis And Its Reliability Analysis Of Image Acquisition, Dai Hongchun, Liang Ning, Dang Xiaohui, Hu Yaohua

Food and Machinery

Roller conveyor turning mechanism is the most widely used in machine vision grader system. Through force analysis and motion analysis of jujube in it , the horizontal distance mathematical model of jujube from just contact friction was gotten by static acceleration to the same as linear velocity at roller contact point and the rotation angle mathematical model when grabbing jujube images in a certain distance after the accelerating rotation process. Studying the Chinese date of Sinkiang, by determining the appropriate transport speed, position of the camera, and the camera image acquisition frequency of jujube, all the surface information can be …

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Simulation And Error Analysis Of Cam Profile Curve Design Of Fruit Pushing Mechanism Of Net Machine, Xi Xiaoyan Feb 2017

Simulation And Error Analysis Of Cam Profile Curve Design Of Fruit Pushing Mechanism Of Net Machine, Xi Xiaoyan

Food and Machinery

According to the requirement of the end-effectors, the cam profile of pushing mechanism of fruit net machine was designed and error analysis was analyzed based on ADAMS. The position curve of the follower with respect to the center of the cam follower was obtained by using the positive and inverse dynamics of ADAMS. The cam contour curve was obtained by the inversion method and the create trace spline function of ADAMS. The displacement, velocity and acceleration curve of the end-effectors were obtained. Compared with the theoretical value, the results showed that the cam profile meet the requirements of the trajectory, …

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Effect Of Acidic Electrolytic Water Combined With Modified Atmosphere Packaging On The Quality Of Fresh-Cut Lettuce, Qiao Yongxiang, Xie Jing, Lei Hao, Zhang Shuanshuan Feb 2017

Effect Of Acidic Electrolytic Water Combined With Modified Atmosphere Packaging On The Quality Of Fresh-Cut Lettuce, Qiao Yongxiang, Xie Jing, Lei Hao, Zhang Shuanshuan

Food and Machinery

The influence of acidic electrolytic water combined with modified atmosphere packaging (MAP) on preservation of fresh-cut lettuce during storage at 4 ℃ was studied. Results indicated that compared with the control group of acidic electrolytic water (pH 2.3, available chlorine content 60 mg/L) combined with air packaging (21% O2+1% CO2), the pretreatment of electrolysis water combined with MAP could effectively inhibit the growth and reproduction of microorganisms, delay loss of moisture and vitamin C, inhibit metabolism and reduction of soluble solids content as well. Moreover, it could inhibit the decomposition of chlorophyll and reduce its yellowing …

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Effect Of Electron Beam Irradiation On Storage Quality And Physicochemical Properties Of Rice, Yang Dan, Luo Xiaohu, Qi Lijun, Wang Ren, Wang Li, Li Yanan, Li Ke, Zhang Yuwei, Chen Zhengxing Feb 2017

Effect Of Electron Beam Irradiation On Storage Quality And Physicochemical Properties Of Rice, Yang Dan, Luo Xiaohu, Qi Lijun, Wang Ren, Wang Li, Li Yanan, Li Ke, Zhang Yuwei, Chen Zhengxing

Food and Machinery

To study the freshness and quality changes after electron beam irradiation in three different forms, include paddy, brown rice, milled rice, during storage , taking the fresh late japonica rice was selected as raw material. The effect of electron beam irradiation on paddy, brown rice and milled rice based on the doses of 0, 2, 4 kGy was studied, including the effects on moisture content, color, fatty acid value, viscosity value and taste value. Results indicated that the paddy, brown rice, milled rice at 2, 4 kGy irradiated doses compared to the corresponding non-irradiated sample, moisture content, whiteness, redness and …

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Study On Protective Effect Of Puerarin Solid Beverage On Chemical Hepatic Injury, Huang Min, Zheng Jianxian, Dong Qingliang, Li Jiaxing Feb 2017

Study On Protective Effect Of Puerarin Solid Beverage On Chemical Hepatic Injury, Huang Min, Zheng Jianxian, Dong Qingliang, Li Jiaxing

Food and Machinery

With puerarin solid beverage made of pueraria, hawthorn, acid gill, okra, Rhizoma zingiberis, corn peptide and crystalline fructose as the test substance, to study its protection function on chemical hepatic injury by CCl4 in the Wistar mice. Wistar mice were randomly allocated to negative control group, model control group and three experiment groups, which were treated with intubation of distilled water or 1.08, 2.17 or 4.33 g/kg test substance per day for 30 days. Groups which except negative control group were treated with gastric intubation of CCl4, and the chemical hepatic injury model was gained. The level …

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Effects Of Different Heat Treatment On Oxidordeuctase Activity Of Walnut Kernel, Wu Qiuhao, Jia Lirong, Chen Ante, Zhang Xi, Huang Rongrong, Liu Xuebin, Wang Ping Feb 2017

Effects Of Different Heat Treatment On Oxidordeuctase Activity Of Walnut Kernel, Wu Qiuhao, Jia Lirong, Chen Ante, Zhang Xi, Huang Rongrong, Liu Xuebin, Wang Ping

Food and Machinery

Effects of microwave, far-infrared heating and hot-air treatment on enzyme activity of walnut kernels were investigated. After undergoing different strength of microwave, far-infrared ray and hot-air, the activity of lipoxygenase activity (LOX), peroxidase (POD) and hydrogenperoxidase (CAT) in walnut kernels were determined. The results showed that microwave, far-infrared heating and hot-air treatment could inhibit the activity of LOX, POD and CAT effectively. The conditions of three heat processing were optimized as follows, i.e. treated at 385 W microwave for 3 min, 90 ℃ far-infrared heating for 30 min, or 90 ℃ hot-air treatment for 90 min, respectively.

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The Influence Of Wall Material Proportion To Preparation Of Complex Coacervation Natural VE Microencapsulation Embedding Effect, Qiang Junfeng Feb 2017

The Influence Of Wall Material Proportion To Preparation Of Complex Coacervation Natural VE Microencapsulation Embedding Effect, Qiang Junfeng

Food and Machinery

Nature VE Microcapsules was produced by using Composite gel method. This method of producing Nature VE Microcapsules was based on the properties of wall material and Complex coacervation process. Gelatin and Alginate were used as wall materials, and 5% of calcium chloride was chose as curing agent. The influence of two different proportion of wall material to Nature VE Microcapsules Morphology and the effects of particle size distribution and embedding were also researched. The results showed that the production rate and efficiency as well as the solid effective loads were highest when the ratio of gelatin wall at …

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Retain Moisture Properties Of Tobacco Recombination Humectant Of Edible Wax And Its Application, Xu Yingbo, Chen Kaibo, Xu Zhiqiang, Ge Shaolin, Yan Xiangyang, Liu Shaomin Feb 2017

Retain Moisture Properties Of Tobacco Recombination Humectant Of Edible Wax And Its Application, Xu Yingbo, Chen Kaibo, Xu Zhiqiang, Ge Shaolin, Yan Xiangyang, Liu Shaomin

Food and Machinery

The edible wax, AJ polysaccharide monomer and recombination samples were selected for the moisture retention test to evaluate the moisturizing property of tobacco in low humidity environment. The results showed that the edible wax and AJ polysaccharide monomer both had certain effect on the moisture of tobacco. The moisturizing property of plant wax 1 was better than that of other edible wax. When the edible wax and AJ polysaccharide monomer were compounded, the moisturizing performance of the tobacco was further improved by the coordination effect of the two samples. Scanning electron microscopy (SEM) revealed that besides the effect of traditional …

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The Role Of Quorum Sensing In Biofilm Formation Of Foodborne Micro-Organism, Zhang Guoli, Ao Xiaolin, Liu Shuliang Feb 2017

The Role Of Quorum Sensing In Biofilm Formation Of Foodborne Micro-Organism, Zhang Guoli, Ao Xiaolin, Liu Shuliang

Food and Machinery

The biofilm is a multicellular group structure formed by numerous gathered microorganism which adheres on the surfaces. This phenomenon is widespread in a variety of foodborne micro-organism, and it is important for food processing and security. Quorum sensing (QS) has been proven to be an important factor in the formation of biofilm. In this review, the regulation function of QS in the biofilm formation of several kinds of foodborne bacteria and fungi was discussed, and this would provide reference to biofilm control and utilization in food processing.

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The Design And Application Of Evaluation Method For Quality Stability Of Cigarette Production Process, Xiong Anyan, Li Shanlian, Ding Meizhou, Liu Wenzhao, Gu Liang, Huang Guangfu Feb 2017

The Design And Application Of Evaluation Method For Quality Stability Of Cigarette Production Process, Xiong Anyan, Li Shanlian, Ding Meizhou, Liu Wenzhao, Gu Liang, Huang Guangfu

Food and Machinery

In order to make up for the deficiency of the existing evaluation method of quality stability, a new method of evaluating the quality stability of cigarette production process was developed by using statistical techniques. This method first classified the variables in the production process, and different types of variables using different methods were used to calculate the quality stability index. Moreover, different weights were determined according to both the importance of different processes and different variables in processes, and then the process using weighted average method was applied to calculate the stability of quality index. Furthermore, the process (batch) using …

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