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Articles 4231 - 4260 of 5782

Full-Text Articles in Food Processing

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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Texture Characteristic Analysis In Different Cultivars And Maturity Of Fig, Sun Rui, Sun Lei, Ma Jinhui, He Fatao, Ge Bangguo, Cao Jia Feb 2017

Texture Characteristic Analysis In Different Cultivars And Maturity Of Fig, Sun Rui, Sun Lei, Ma Jinhui, He Fatao, Ge Bangguo, Cao Jia

Food and Machinery

Three different parts of fig fruits were compared by texture analyzer. And the research was conducted about quality of fig fruits varying in maturity by pair T test and correlation analysis. The result showed that the firmness in the nearest parts of fig’s stalk was greater than that in middle and top parts, usually a hole called fruit being here, of fig fruits, and that there was no significant difference in rupture depth of fig fruits varying in maturity, as resilience and firmness reduced with increasing maturity. And it would be better to use Orphan immediately once harvested, the resilience, …

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Development Of Quantitative Sensitive Immunochromatographic Assays For Detection Of Aflatoxin B1, Liu Jing, Wang Shuying, Liu Daofeng, Lai Weihua Feb 2017

Development Of Quantitative Sensitive Immunochromatographic Assays For Detection Of Aflatoxin B1, Liu Jing, Wang Shuying, Liu Daofeng, Lai Weihua

Food and Machinery

The aim of this work was to establish a highly sensitive quantitative colloidal gold immunochromatographic assay with a test strip reader for the detection of aflatoxin B1 using colloidal gold as label. When the labeling pH was 6.0, the concentration of antigen on T-line was 1.5 mg/mL, the concentration of antibody labeled on the colloidal gold was 4 μg/mL, and the dosage of gold-labeled antibody was 1.2 μL, the sensitivity of the assay was 5.7 ng/L. The results of accelerated aging experiment indicated that the strips shelf time was more than a year. It was proved that this method …

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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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Preparation Of Nanocrystalline Cellulose From Food By-Products And Its Applications In Food Industry, Wang Yang, Zhao Guohua, Xiao Li, Zhou Siyuan Feb 2017

Preparation Of Nanocrystalline Cellulose From Food By-Products And Its Applications In Food Industry, Wang Yang, Zhao Guohua, Xiao Li, Zhou Siyuan

Food and Machinery

Nano cellulose material, as an environment-friendly material, has attracted much attention for applications in fields of material sciences, food, chemical engineering, and medicine due to its biocompatibility and biodegradability. Nanocrystalline cellulose (NCC) show a high aspect ratio, large surface-to-volume ratio, high crystallinity index, high tensile strength, and good thermal stability. Having reviewed the scientific literature on NCC during the last 5 years, aimed to provide an overview about morphology, crystallization, and stability properties of NCC as well as its major applications (as reinforcing agents for food packaging, as emulsion stabilizers and food ingredients). However, its future development and commercialization still …

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Preparation And Properties Of Carboxymethyl Rice Starch By Semi-Dry Method, Wang Yongqiang, Liu Zhongyi, Yue Shuhang, Peng Li Feb 2017

Preparation And Properties Of Carboxymethyl Rice Starch By Semi-Dry Method, Wang Yongqiang, Liu Zhongyi, Yue Shuhang, Peng Li

Food and Machinery

Using rice starch and sodium chloroacetate as raw material, carboxymethyl starch (CMS) was obtained by semi-dry method. The influences of dosage of sodium chloroacetate and NaOH, reaction temperature and time of etherification, alkalinization temperature conditions on the substitution degree of product were investigated, and then the infrared spectrum and crystal style of the CMS were analyzed. The results showed that optimizing conditions of CMS by single factor experiment were starch and sodium chloroacetate of 11 in molar ratio, starch and sodium hydroxide of 11.25 in molar ratio, alkalinized at 35 ℃ for 1 h, and then etherified at 60 ℃ …

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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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Determination Of 5 Kinds Of Phthalate Acid Esters In Food By Single Drop Microextraction Combined With Gas Chromatography-Mass Spectrometry, Qin Fei, Mi Shengquan Feb 2017

Determination Of 5 Kinds Of Phthalate Acid Esters In Food By Single Drop Microextraction Combined With Gas Chromatography-Mass Spectrometry, Qin Fei, Mi Shengquan

Food and Machinery

To develop a rapid and simple method for the determination of five phthalate acid esters (PAEs) in soy sauce, vinegar, and juice by gas chromatography-mass spectrometry (GC-MS) after single drop microextration. The five PAEs was analyzed by GC-MS. Good linearity was obtained for five PAEs at the concentration of 1～10 mg/mL, r≥0.995. At three different spiked concentration levels, the average recoveries of 5 PAEs in three different samples were between 75.4% and 113.0%. The intra-day and inter-day precisions (relative standard deviation, RSD) were 2.4%～7.3% and 1.9%～8.5%, respectively. Among 5 PAEs, the detection rate of DBP was 100% utmost. The DBP …

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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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Finite Element Analysis On Mechanical Properties Of Sunflower Seed, Zhang Xin, Wang Bo, Zhang Lihua Feb 2017

Finite Element Analysis On Mechanical Properties Of Sunflower Seed, Zhang Xin, Wang Bo, Zhang Lihua

Food and Machinery

In order to reduce the mechanical damage of sunflower seed during its harvest and storage, and provide the theoretical foundation for the design of related mechanical devices, was studied the mechanical properties of sunflower seed. According to the geometrical dimensions and the mechanical parameters, which obtained from the experiment, we established the physical model and the finite element calculation model of sunflower seed. By the method of finite element analysis, not only analyzed the failure modes of sunflower seed under different compression loads and compress methods, but also the regularity of distribution of its stress and strain. By comparing the …

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The Synergistic Antioxidant Effect And Structure-Activity Relationship Of Six Flavonoids, Xiao Xingning, Xu Wenhui, Zuo Dan, Liao Xia, Ming Jian Feb 2017

The Synergistic Antioxidant Effect And Structure-Activity Relationship Of Six Flavonoids, Xiao Xingning, Xu Wenhui, Zuo Dan, Liao Xia, Ming Jian

Food and Machinery

In this study, the ABTS free radicals scavenging activity was as an indicator, the Chou-Talalay method was used to investigate the synergistic antioxidant effect and structure activity relationship of six kinds of small molecules with different structures. The results showed that the ABTS free radicals scavenging activity of the six kinds of flavonoids was in following order, i.e., 5,6,7-trihydroxy flavone > 6-hydroxyl flavone > 3,7-dihydroxy flavone > 5-hydroxy flavone > 3-hydroxy flavone > 7-hydroxyl flavone > ascorbic acid. Among them, 5,6,7-trihydroxy flavone, 6-hydroxy flavone and 3,7-dihydroxy flavone oxidation effect significantly, under different concentration and two flavonoid compounds on ABTS free radicals scavenging activity of the combined …

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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 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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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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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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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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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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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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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 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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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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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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