Effects Of Potassium Sorbate And Sodium Pyrosulfite On Storage Quality Of Choerospondias Axillaris Peel Pulp In Different Temperature,
2019
College of Economics and Management, Jiangxi Tourism and Commerce Vocational College, Nanchang, Jiangxi 330100, China; State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China
Effects Of Potassium Sorbate And Sodium Pyrosulfite On Storage Quality Of Choerospondias Axillaris Peel Pulp In Different Temperature, Wang Risi, Chu Beibei, Ling Huashan, Chen Mingshun, Chen Jun, Liu Chengmei, Liu Jiyan
Food and Machinery
The effects of preservative (potassium sorbate or sodium pyrosulfite) on storage quality such as total colony number, colour L* value, polyphenol content, DPPH radical scavenging activity and pH of Choerospondias axillaris peel pulp at 4, 25 and 35 ℃ were first studied. The results showed that 0.050% potassium sorbate and 0.015%~0.050% sodium pyrosulfite could effectively inhibit the growth of microorganism. 0.015% sodium pyrosulfite had a good color protection effect during the pulping process and early storage stage of the pulp, but there was no significant difference between 0.015% sodium pyrosulfite and 0.050% potassium sorbate was found, when the storage time …
Effect Of Different Wall Materials On Physicochemical Properties Of Microcapsules With High Loading Pumpkin Seed Oil,
2019
Beijing Powdery Bio-Tech Co., Ltd., Beijing 101117, China
Effect Of Different Wall Materials On Physicochemical Properties Of Microcapsules With High Loading Pumpkin Seed Oil, Zhang Cuncun, Yuan Jifeng, Tan Zhichao, Xu Honggao
Food and Machinery
To develop 50% loaded pumpkin seed oil microcapsules, using spray drying technology, with higher stabilities, the amount of surface oil and peroxide value of dispersion oil, during accelerated shelf life test, were selected as criteria for optimizing the composition of wall materials. The sodium caseinate and sodium starch octenyl succinate were tested as the main components of wall materials. Other antioxidants (sodium ascorbate, ascorbic acid and D-sodium erythorbate) and emulsifies (soybean phospholipid, mono- and diglycerides of fatty acids) were also applied and tested for the stability of pumpkin seed oil microcapsules. Polydextrose, a stuffing bulking agent, was also tested for …
Effects Of Red Ginseng Extracts Irradiated With 60Co-Γ On Type 1 Diabetes Mice,
2019
Yanbian University, Yanji, Jilin 133000, China
Effects Of Red Ginseng Extracts Irradiated With 60Co-Γ On Type 1 Diabetes Mice, Qi Xin, Cui Chengbi, Jin Liying, Jiang Xin, Zhang Lu
Food and Machinery
In order to probe the effects of red ginseng extracts irradiated with 60Co-γ, the mice model of type I diabetes mellitus was induced by streptozotocin (STZ). The body weight and fasting blood glucose of mice were measured regularly during the experiments. After 30 days’ test, blood samples, which were collected from eyeball and glycosylated hemoglobin (HbAlc), were measured. Total cholesterol (TC) and triglyceride (TG) levels in serum were determined and analyzed. The organs of the heart, liver, spleen and kidney were dissected and the organ coefficients were measured. Results showed that the fasting blood glucose level of mice group …
Study On The Compound Enzyme Extraction Process Of Glehniae Radix And Its Physicochemical Properties,
2019
College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, Hebei 050018, China
Study On The Compound Enzyme Extraction Process Of Glehniae Radix And Its Physicochemical Properties, Jing Yongshuai, Zhang Danshen, Zhang Ruijuan, Han Yu, Liu Dongbo, Zheng Yuguang, Wu Lanfang
Food and Machinery
Response surface analysis were carried out to optimize the extraction process of polysaccharide from Glehniae Radix (GLP-E), and GLP-E was separated and purified with DEAE-52 ion exchanger. The monosaccharide composition, molecular weight, and the scavenging effect on DPPH free radicals were investigated. The results showed that the optimal extraction conditions of polysaccharides from G. Radix were as follows: the liquid-to-solid ratio was 30∶1 (mL/g), with the addition of 3% enzyme and the ratio of cellulase to papain at 3∶1, hydrolyzed at 70 ℃ for 3 h. Under the control of these conditions, the extraction rate of polysaccharides from G. Radix …
Preparation And Antioxidant Activity Of Protein Peptides By Enzymatic From Hohenbuehelia Serotina,
2019
Agricultral College of Yanbian University, Yanji, Jilin 133002, China
Preparation And Antioxidant Activity Of Protein Peptides By Enzymatic From Hohenbuehelia Serotina, Li Minghong, Jiang Yiyue, Zhang Xiaoyong, Cui Fushun
Food and Machinery
To prepare protein peptides from Hohenbuehelia serotina by enzymatic method, the composition of amino acids, structure and biological activity of protein peptide were analyzed. Proteolytic enzymes were selected with hydrolysis degree and DPPH scavenging rate to optimize the enzymatic hydrolysis conditions by response surface methodology. The protein peptides from Hohenbuehelia serotina was classified to P1 (＜3.5 kDa), P2 (3.5～10.0 kDa) and P3 (＞10.0 kDa), which were analyzed to get the amino acid composition and infrared spectral signature. The antioxidant activity was evaluated by using DPPH, ABTS, OH reduction capacity of free radicals scavenging activity and in vitro …
Optimization Of Spray Drying Preparation And Release Property Analysis Of Onion Essential Oil Microcapsules,
2019
College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471023, China
Optimization Of Spray Drying Preparation And Release Property Analysis Of Onion Essential Oil Microcapsules, Wang Yueyue, Duan Xu, Ren Guangyue, Zhou Siqing
Food and Machinery
Spray drying technology was used to study the effect of different preparation conditions on the microencapsulation of onion essential oil. Taking Arabia gum and beta cyclodextrin as wall materials, the encapsulation rate as the index, the preparation process of microcapsules was optimized by response surface analysis. The content of thiosulfate (TS) in onion essential oil before and after spray drying was compared, and the extraction of onion essential oil microcapsules was also determined. The preparation technology of microcapsules was analyzed. The in vitro simulation experiment was carried out on microcapsules, and the volatilization rate of onion essential oil in microcapsules …
The Effect Of Moisture Content On Chemical Components Of Different Types Of Heat-Not-Burn Tobacco Products,
2019
Technology Center, China Tobacco Jiangsu Industry Co., Ltd., Nanjing, Jiangsu 210019, China
The Effect Of Moisture Content On Chemical Components Of Different Types Of Heat-Not-Burn Tobacco Products, Li Chaojian, Jin Yong, Zhou Chengxi, Shi Huaibin
Food and Machinery
In order to investigate the effect of moisture content on the chemical components of different types of heat-not-burn tobacco products(HNB)，cigarette A prepared using tobacco sheet by thick pulp method and cigarette B prepared using tobacco sheet by Paper making method were taken as research objects, and the correlation between moisture in cigarettes and glycerol, nicotine was studied. SEM and TG analysis were carried out. The results showed that: ① The mass contents of glycerol and nicotine in the tobacco sheet were more accurately expressed in terms of the mass content of the corresponding substances in the dry sheet. ② The …
Establishment Of Multiplex Real-Time Pcr Assays Based On Hand System For The Preliminary Screening Of Five Diarrheagenic Escherichia Coli,
2019
[JP3]Hebei University of Engineering, College of Life Sciences and Food Engineering, Handan, Hebei 056038, China
Establishment Of Multiplex Real-Time Pcr Assays Based On Hand System For The Preliminary Screening Of Five Diarrheagenic Escherichia Coli, Zhong Yike, Wang Yongxia, Zhao Tong, He Xiaoming, Guo Jianshu, Liu Wei, Zou Dayang
Food and Machinery
The specificity of this method was evaluated by testing 17 species closely related bacteria in the laboratory, and the amplification product was analyzed by the Tm value of the dissolution curve, which had good specificity and could detect five different virulence genes: aggR for EAEC, eae for EHEC and EPEC, LT for ETEC, ipaH for EIEC in the same reaction tube. The fecal simulated samples showed that the sensitivity reached 104~106 CFU/mL. The multiplex real-time PCR detection method established in this experiment is suitable for the preliminary screening of five kinds of Escherichia coli.
Diversity Of Antibiotic Resistant Bacteria Isolated From Cold Fresh Chicken Handlers’ Hands,
2019
Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
Diversity Of Antibiotic Resistant Bacteria Isolated From Cold Fresh Chicken Handlers’ Hands, Huang Liujuan, Shao Yi, Feng Bo, Zhou Changyan
Food and Machinery
In order to investigate the potential migration of antibiotic resistant (ART) bacteria from cold fresh chicken to humans during handling in production and consumption, selective culture technology and IonS5TM XL sequencing platform were used for counting and diversity analysis of tetracycline-(TETr) and sulfamethoxazole-resistant bacteria (SULr) on the surface of six handlers’ hands contacting with cold fresh chicken products. The results showed that the two ART bacteria from the handlers’ hands significantly increased to 4.80×10～2.66×106 CFU/cm2 after contacting with cold fresh chicken. Furthermore, 21 and 19 genera of shared flora were identified in the …
Numerical Simulation Of Pulverizing Flow Field And Parameter Optimization Of The Mill,
2019
School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou, Guangdong 510641, China
Numerical Simulation Of Pulverizing Flow Field And Parameter Optimization Of The Mill, Mo Haijun, Ling Tao, Zhang Zejun
Food and Machinery
The Fluent software was used to simulate the pulverization flow field of the “pulverizaing-disc grinding” two-stage mill. The influence and law of the blade distribution scheme on the circulating flow field were compared and analyzed. The parameters of the pulverizing blade were optimized by orthogonal design method. The rules of the blade deflection angle, the blade length and the blade pitch on the pulverization effect were analyzed, and the influence of the blade rotation speed on the pulverization effect was further discussed. The material pulverization was experimented to obtain the best performance parameters of the Mill. Taking the pulverization rotating …
Construction Of Production Line Docking System Platform Based On Three-Dimensional Projection Matrix,
2019
Sichuan Finance and Economics Vocational College, Chengdu, Sichuan 610101, China
Construction Of Production Line Docking System Platform Based On Three-Dimensional Projection Matrix, Zhang Juanjuan, Shen Xiaoyu
Food and Machinery
Due to the problems of torsion and swing of worktable in food machinery processing enterprises, errors happen to the docking in the mechanical processing. Therefore, a platform for the production line docking system, based on three-dimensional projection matrix, was designed to proposed to reduce docking error. Firstly, the three-dimensional motion platform of the system adopted a stepping motor controlled by pulse signal to achieve the limit control of machine tool. Secondly, the laser control of the system was realized by controlling the laser switch and the output power of the laser. Thirdly, the displacement measurement technology of Doppler frequency difference …
Dynamics Analysis Of Carden Circular Panetary Mechanism,
2019
Institute of Strength and Vibration of Mechanical Structures, Yangtze University, Jingzhou, Hubei 434023, China
Dynamics Analysis Of Carden Circular Panetary Mechanism, Wang Bingbing, Li Meiqiu, Luo Jingbo, Fu Fangqin
Food and Machinery
According to the motion law of the carden planetary mechanism, the equation of motion of the mechanism is solved by geometric analysis, and the dynamic equation of the mechanism is established from the point of view of energy. The change rule of the input torque and output generalized force with time is obtained, and the load spectrum of carden planetary mechanism is qualitatively. The response law of the system is analyzed and the factors affecting the dynamic characteristics of the system are studied. By comparing the simulation with the theoretical calculation, the feasibility of the study is proved, providing design …
Evaluation Method Packaging Shapes Kansei Based On Computing With Words,
2019
College of Mechanical and Electrical Engineering, Zaozhuang University, Zaozhuang, Shandong 277160, China
Evaluation Method Packaging Shapes Kansei Based On Computing With Words, Ning Tingzhou, Zhang Jinzhi, Ge Meiqin
Food and Machinery
In order to accurately reflect the uncertainty of consumers' perceptual perception, this paper describes consumers' subjective judgment with hesitant fuzzy linguistic terminology set, analyses its operation rules, and constructs hesitant fuzzy CWW(computing with words) model. The case study shows that the aggregation of consumers' perceptual preferences in hesitant fuzzy terms and the realization of information aggregation through linguistic computation can help accurately reflect consumers' subjective perception, reduce consumers' uncertainty in perceptual judgment of packaging shape and support industrial designers to deal with consumers’ kansei opinions more accurately.
Study On The Change Of Texture Characteristics Of Water Buffalo Meat During Low Temperature Storage,
2019
Department of Food Science and Engineering, School of Biology and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, Guangxi 545006, China; College of Food Science and Engineering, Huazhong Agricultural University, Wuhan, Hubei 4
Study On The Change Of Texture Characteristics Of Water Buffalo Meat During Low Temperature Storage, Li Chunyou, Fu Chunting, Yin Chaomin, Xu Jinrong, Huang Chengdu, Jin Guofeng
Food and Machinery
The changes of texture characteristics of Guangxi water buffalo meat buffalo meat was investigated during low temperature storage using texture profile analysis. Moreover, the correlation among various indexes of beef texture characteristics of buffalo meat was also analyzed. The results indicated that the hardness, elasticity, chewiness and adhesiveness of buffalo meat decreased continuously with the prolongation of storage time, but the cohesiveness of buffalo meat was increasing. During cryopreservation, there was a significantly positive correlation between the hardness of buffalo meat and characteristics of elasticity, adhesiveness, and chewiness (P＜0.05), but no significant correlation between the cohesiveness of buffalo meat and …
Optimization Of Flash Extraction Process And Structure Identification Ofpolysaccharide And Protein From Hericium Erinaceus,
2019
College of Food Science Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
Optimization Of Flash Extraction Process And Structure Identification Ofpolysaccharide And Protein From Hericium Erinaceus, Zhang Xiong, Xiao Zhiyong, Huang Qun, Huang Xiang, Yang Ran, Chen Lei, Wang Yiwei
Food and Machinery
The polysaccharides and proteins from Hericium erinaceus were flashly extracted. On the basis of single factor experiments, the response surface methodology was applied to optimize the extraction conditions, and the structure of the polysaccharide and the subunit composition of the protein molecule were analyzed by infrared spectroscopy and SDS-PAGE respectively. The optimal condition for extraction of Hericium erinaceus polysaccharides (HEP) and proteins were: extracting time 80 s, liquid-solid ratio 17∶1 (mL/g), grinding granularity 80 meshes, extracting voltage 100 V, HEP yield rate (9.24±0.15)% and protein yield rate was 1.34%. The fourier transform infrared spectrum showed that HEP had absorption peaks …
Effect Of Different Pretreatments Methods On The Product Quality Of Explosion Puffing Drying For Purple Potato Crisps,
2019
Changsha University, Changsha, Hunan 410022, China
Effect Of Different Pretreatments Methods On The Product Quality Of Explosion Puffing Drying For Purple Potato Crisps, Wang Lan, Deng Bo, Deng Fangming
Food and Machinery
The objective was to investigate the effect of pretreatment methods on the characteristic of purple potato by explosion puffing drying. The effects were analyzed, from the slice thickness, concentration of citric acid solution, blanching time, freeze-thaw treatment and pre-drying time on moisture content, color difference, hardness, rehydration ratio and apparent density of explosion puffing drying purple potato. Results showed that the appropriate pretreatment conditions were as followed: slice thickness of 2 mm, color protection time by 0.2% citric acid solution for 20 min, water boiled at 100 ℃ for 1 min, freezing at -18 ℃ for 12 h. At room …
Effect Of Edible Mushroom Polysaccharide On Human Gut Microbiome,
2019
Central South University of Forestry and Technology, Changsha, Hunan 410004, China
Effect Of Edible Mushroom Polysaccharide On Human Gut Microbiome, Cheng Mengya, Yang Yalan, Yang Qiao, Feng Lulu, Huang Rengui, Zheng Lufei, Ren Jiali
Food and Machinery
Polysaccharide is one of the main bioactive compounds in these mushroom which had been generally studied to have the health-promoting properties of anti-oxidation, antitumor, anti-inflammatory, immunoregulation. With the heat wave of gut microbiome rising, how the edible mushroom polysaccharide affects human health through the gut microbiome has become the focus of attention. This review discussed the efficacy and structure of edible mushroom polysaccharides, the composition, distribution and function of human gut microbiome, and how the mushroom polysaccharides affect human health through regulating the gut microbiome. At the same time, preliminary suggestions for the follow-up study of edible mushroom polysaccharides were …
Progress On Main Virulence Factors And Pathogenic Mechanism Of Cronobacter Spp.,
2019
College of Food and Biological Engineering, Henan University of Science and Technology, Luoyang, Henan 471023, China
Progress On Main Virulence Factors And Pathogenic Mechanism Of Cronobacter Spp., Fei Peng, Yang Tongxiang, Chen Xi, Xiang Jinle, Zhao Shengjuan, Xu Yunfeng, Zhou Lianxin, Guo Ling, Kang Huaibin
Food and Machinery
In this study, the role of major virulence factors in the pathogenic process of Cronobacter, including enterotoxin, outer membrane protein, gene Inv, and key enzyme RpfF were reviewed. Furthermore, the pathogenic mechanism was summarized from the following aspects, i. e. the adhesion of bacterial hair, the absorption ability of iron by Cronobacter, the utilization of sialic acid, the effects of biofilm on the protection, and the adhesion of Cronobacter, the effect of efflux system on the viability of Cronobacter in host gastrointestinal tract and desiccation resistance.
Progress In Research Of Flow Field Optimization In Quick Freezing Equipment,
2019
Shanghai Engineering Research Center of Aquatic Product Processing & Preservation, Shanghai 201306, China; Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai 201306, China
Progress In Research Of Flow Field Optimization In Quick Freezing Equipment, Zhu Yifan, Xie Jing
Food and Machinery
Quick freezing is an important technique for food preservation. The faster the freezing rate, the better the quality of frozen food after thawing. The greater the wind speed on the surface of the frozen product, the greater the heat exchange intensity and the faster the freezing rate. However, only increasing the fan speed will result in a decrease in fan efficiency and a decrease in flow field evenness, so the flow field needs to be optimized. The fan efficiency can be increased by setting the cone to the fan. The baffle can be arranged in the flow field to eliminate …
Opportunities And Challenges Of Pulses In The Sustainable Development Of Diets,
2019
Academy of National Food and Strategic Reserves Administration, Beijing 100037, China
Opportunities And Challenges Of Pulses In The Sustainable Development Of Diets, Tan Bin, Qiao Congcong
Food and Machinery
As one kind of sustainable diets, pulses have their own advantages and developmental opportunities, combined with some problems. In this review, the necessity and development direction of sustainable dietary development were discussed, and the advantages and problems of pulses as one kind of sustainable diets, and the development direction of pulses foods were summarized.
