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Articles 4381 - 4410 of 4720
Full-Text Articles in Life Sciences
Optimization On Processing Of Trachinotus Ovatus Surimi Gel By Response Surface Methodology, Huang He, Wang Na, Chen Liang, Wu Wenlong
Optimization On Processing Of Trachinotus Ovatus Surimi Gel By Response Surface Methodology, Huang He, Wang Na, Chen Liang, Wu Wenlong
Food and Machinery
With Trachinotus ovatus surimi gel as the research object, using the fractional factorial experiment screened out five factors from the seven factors, such as rinsing time, rinsing times, mincing time and twice heating time, which had a great effect on the surimi gel strength and whiteness. And then through the steepest uphill test to approach the maximum response area of the 5 factors, the final optimized by central composite design response surface methodology, the optimal results showed that: the rinsing time was 3 min, rinsing 5 times, mincing time was 21 min, the first heating time was 10 min, second …
Study On Processing Technology Of Plum Juice Beverage With Pulp, Cheng Ce, Lu Jun, Han Wenqi, Huang Hui, Li Zhonghai
Study On Processing Technology Of Plum Juice Beverage With Pulp, Cheng Ce, Lu Jun, Han Wenqi, Huang Hui, Li Zhonghai
Food and Machinery
Discussed on the processing technology of plum juice beverage with pulp. The main parameters of the process, including peeling method, pectinase dosage, the color fixative and juice recipes were studied by single factor and orthogonal test. The results showed that the optimum leaching method was alkaline peeling; the optimum pectinase dosage was 200 mg/L. The composite color fixative optimal ratio composed 0.15 g/100 mL of VC, 0.20 g/100 mL of citric acid, 0.30 g/100 mL of sodium bisulfite; The best formula were 15 g/100 mL of plum content, 9.0 g/100 mL of sugar, 0.10 g/100 mL of citric …
Advances In Research Of Cftr Inhibitors Extracted From Foods And Herbal Plants, Luan Jian, Yang Hong
Advances In Research Of Cftr Inhibitors Extracted From Foods And Herbal Plants, Luan Jian, Yang Hong
Food and Machinery
CFTR chloride channel is the molecular drug target for the treatment of secretory diarrhea. Screening CFTR inhibitors is the most important and basic part of anti-diarrheal drug development. The natural products are diversified both in the structure and the biological activity. In the discovery of drugs and leading compounds, natural products play a key role and become the main source of drug development. Natural products from foods and herbal plants are usually safe for low or no toxicity and side-effect in clinic. CFTR inhibitors which source of foods and traditional Chinese medicines are important of study and treatment of CFTR …
Research Progress On Application Of Magnetic Nanoparticles In Composition Isolation And Safety Detection In Food Field, Tang Yao, Xu Zhou, Ding Li, Wang Libing, Cheng Yunhui
Research Progress On Application Of Magnetic Nanoparticles In Composition Isolation And Safety Detection In Food Field, Tang Yao, Xu Zhou, Ding Li, Wang Libing, Cheng Yunhui
Food and Machinery
Magnetic nanoparticles is a kind of new polymer materials, which has been widely used in the field of biomedical, food and environment in recent years．The magnetic nanoparticles with suitable surface modification are capable of binding molecules selectively and has property of special magnetic response. In this review, the research progress on applications of magnetic nanoparticles in food composition separation and food safety detection were reviewed, and the application prospect were discussed.
Advances On Managemeng And Key Technology Of Fresh Agricultural Products Cold Chain, Li Kang, Zheng Jianguo, Wu Daqing
Advances On Managemeng And Key Technology Of Fresh Agricultural Products Cold Chain, Li Kang, Zheng Jianguo, Wu Daqing
Food and Machinery
Cold chain has become an important guarantee for world's countries to improve the quality of fresh agricultural products circulation condition, ensure food safety, increase agricultural product added value and promote agricultural products to the international market. But there is a certain gap between our country’s cold chain and developed countries’ in technology, equipment ownership and overall system management level. On the basis of analyzing the research on cold chain management at home and abroad, this paper compares and analyses some of the major issues in cold chain: inventory, logistics system planning, safety and quality, coordination mechanism and the key technical …
Application Progress Of Gas Chromatography And Its Hyphenated Technology In Meat Products, Ye Yongli, He Xinrui, Chen Shien, Hu Xiaopeng, Ma Zhongren
Application Progress Of Gas Chromatography And Its Hyphenated Technology In Meat Products, Ye Yongli, He Xinrui, Chen Shien, Hu Xiaopeng, Ma Zhongren
Food and Machinery
As a mature technology, gas chromatography has been widely used in analysis of composition and content of material, and it is also promising for analysis of food nutrition components and quality and security as it is easy, fast to use. The application of gas chromatography and its hyphenated technology in nutrition ingredient analysis, flavor compound, freshness, pesticide and veterinary residue, and toxic chemical from environment and process of meat and meat products are reviewed, and then prospected its perspective applications in meat detection.
Research Advance On Preparation Of Peony Seed Oil By Aqueous Enzymatic Extraction, Chen Xuan, Zhou Bo, Wang Zhoujun, Zhong Haiyan
Research Advance On Preparation Of Peony Seed Oil By Aqueous Enzymatic Extraction, Chen Xuan, Zhou Bo, Wang Zhoujun, Zhong Haiyan
Food and Machinery
The peony seed oil is identified as new resources food in the laws, which can be applied to functional food, cosmetics, health care and other industries. The enzyme-assisted aqueous is a safe, efficient, and green method. Mainly discusses the basic composition of peony seed and its oil features, and analyzes the key factors of enzyme-assisted aqueous method for extraction of peony seed oil, which offers development direction in the crude enzyme extraction, enzymatic demulsification, immobilized enzyme technology.
Progress On Functionality Of Blueberry And Extracting Technology For Its Active Ingredient, Li Bin, Lei Yue, Meng Xianjun, Jiao Xinyao, Zhang Jiacheng, Wang Weisheng, Xu Qiang, Gao Ningxuan
Progress On Functionality Of Blueberry And Extracting Technology For Its Active Ingredient, Li Bin, Lei Yue, Meng Xianjun, Jiao Xinyao, Zhang Jiacheng, Wang Weisheng, Xu Qiang, Gao Ningxuan
Food and Machinery
For the its unique flavor, rich nutrients and multifunctionality, blueberry is highly popular. The nutritional value of blueberry is summarized, especially its healthy function in protecting eyesight, antioxidation and enhancing memory ability. Also, the current development situation of extractive technique of active ingredient in blueberry is reviewed and the prospect of blueberry is presented, aiming to provide a reference for further development of blueberry.
Analysis On The Present Situation And Reform Measures Of Agricultural Mechanization Specialty Of China, Jia Xing
Food and Machinery
This paper analyzes the present situation and difficulties of agricultural mechanization specialty, and the reform measures are carried out from the aspects of innovation education mode, reform teaching system, construction of practical training base, strengthening teachers team construction and innovation evaluation and incentive mechanism.
Public Participation: Innovation And Expression Of Food Production Supervision In China, Wei Yan
Public Participation: Innovation And Expression Of Food Production Supervision In China, Wei Yan
Food and Machinery
Under the impact of the food safety accidents occur frequently, traditional food safety supervision mode relying solely on management of the administrative organs show significant limitations. Therefore, public management mode should be established, its core is government and fully integrates social management power. In the context of public management, food safety supervision in China lack the necessary coordination between administrative departments, administrative departments and social public opinion, administrative departments can not play their leading role, and many food operators ignore the legal supervision and other issues, which is caused by the food safety administration of long management, local protectionism and …
Running Inspection And Route Improvement In Tourism Food Safety Management, Wu Jianhai
Running Inspection And Route Improvement In Tourism Food Safety Management, Wu Jianhai
Food and Machinery
Chinese tourism food safety management has established the corresponding legal system, and has the corresponding administrative organs, formed the tourism food safety management system initially. However, due to the problems of food safety management and the characteristics of tourism food safety management, Chinese tourism food safety management still exist many problems. Therefore, it is necessary to take targeted measures to solve these problems from two aspects of food safety management and tourism food safety management, to achieve the purpose of improving the safety management of tourism food.
Reflection And Forward: Institutional Path Of Chinese Food Safety Education, Zheng Kehong
Reflection And Forward: Institutional Path Of Chinese Food Safety Education, Zheng Kehong
Food and Machinery
Food safety is related to national economy and people's livelihood, doing food safety education for citizens, is the key to safeguard citizens' health and safety, and the necessary premise of the construction of a harmonious society. The perfecting of food safety education, which should be have the responsibility of the subject is clear food safety education should be brought into the national education，strengthen professional personnel training, to strengthen the publicity.
Review And Perfection Of Criminal Law System In Food Safety Crime, Tan Yaying
Review And Perfection Of Criminal Law System In Food Safety Crime, Tan Yaying
Food and Machinery
Food safety crime has caused a serious threat to people's life and health, so it must be in the criminal law. However, through the criminal law regulation of food safety crime, some important links of food safety, the crime of holding type were found, which was not included in the criminal law, some key concepts lack of clear definition, and the fine penalty lack of clear sentencing standards. It is necessary to take food logistics and agricultural products into the criminal legislation, to clear the sentencing standards of the fine penalty, to bring the crime of possession into the relevant …
Influence Of Protein And Starch On Commercial Cigarette Sensory Quality By Partial Least Square Regression, Su Jiakun, Luo Juanmin, Xu Da, Zhao Juan, Shen Ning, Yu Jingyang, Xia Shuqin, Cai Jibao, Zhang Xiaoming
Influence Of Protein And Starch On Commercial Cigarette Sensory Quality By Partial Least Square Regression, Su Jiakun, Luo Juanmin, Xu Da, Zhao Juan, Shen Ning, Yu Jingyang, Xia Shuqin, Cai Jibao, Zhang Xiaoming
Food and Machinery
The Partial Least Square Regression (PLSR) analysis was used to study the specific influence of protein and starch contents on sensory quality of 10 different kinds of commercial cigarettes. The results showed that there were significant negative correlation between protein, starch and astringency, throat irritation, nasal irritation, indicating that the lower protein and starch content in tobacco, the lower astringency, throat irritation, nasal irritation and higher sensory quality.
Research For Quantitative Classification Of Dry Red Wine In Uniform Color Space, Chen Xiaoyi, Zhang Junxiang, Wang Hong
Research For Quantitative Classification Of Dry Red Wine In Uniform Color Space, Chen Xiaoyi, Zhang Junxiang, Wang Hong
Food and Machinery
The experiment collected 13 samples from the bottle stored red wine which are made in the Eastern Foot of Helan Mountain, 2012 and 2013. Method by ultraviolet spectrophotometer. Quantitative appraisal of color of red wine is established according to the parameters of hue (H*), saturation(C*) and brightness(L*) are analyzed in CIE L*a*b* (recommended by International Commission on Illumination). The hue is divided into 3 levels, the chroma is divided into 5 levels, the lightness is divided into 5 levels. construct the CIE L*a*b* model …
Study On Volatile Flavor Compounds In Different Parts Of Dairy Veal Calf, Yuan Qi, Luo Aiping, He Guangzhong, Zhou Guojun
Study On Volatile Flavor Compounds In Different Parts Of Dairy Veal Calf, Yuan Qi, Luo Aiping, He Guangzhong, Zhou Guojun
Food and Machinery
Determined the difference of brisket, tenderloin, topside from 120 d dairy veal calf. The muscle was sampled at slaughter and subjected to volatile flavor compounds analysis by SPME—GC—MS. The results showed that: the same type of volatile flavor compounds was different in different parts of the veal. Brisket had the least amount of aldehydes, which was only 32.181%. Brisket had the largest amount of hydrocarbons, which is twice as much as tenderloin, and topside. Topside had the lowest level of ketones, which is only 2.928%. Different parts of meat sample had different type and proportion of total volatiles flavor compounds. …
Research On Degenerate Primers For Detection Of Staphylococcus Aureus Enterotoxin A, B Gene, Liu Jichao, Chen Bairu, Jiang Tiemin, Chen Lijun
Research On Degenerate Primers For Detection Of Staphylococcus Aureus Enterotoxin A, B Gene, Liu Jichao, Chen Bairu, Jiang Tiemin, Chen Lijun
Food and Machinery
The degenerate primers were designed to establish a PCR assay for synchronous and fast detection of staphylococcal enterotoxin A and B. According to the sequences of SEA and SEB gene, primers were designed and used for PCR. The lengths of the amplified primers were 105 bp and 135 bp. To evaluate the specificity of PCR assay, 2 strains of SEA, SEB and 4 strains of non-SEA-B were tested by PCR. SEB was 10-fold serially diluted and amplified by PCR to verify its sensitivity. The results showed that the detection of Staphylococcus aureus enterotoxin A, B strain DNA results were positive …
Determination Of Mercury Content In The Food Paper-Plastic Composite Packaging Materials, Peng Xianglian, Fu Hongjun
Determination Of Mercury Content In The Food Paper-Plastic Composite Packaging Materials, Peng Xianglian, Fu Hongjun
Food and Machinery
A method for determining mercury content in the food paper-plastic composite packaging materials with wet digestion-atomic fluorescence spectrometry was developed. The sample of 0.500 0 g with 10 mL of concentrated nitric acid and 2 mL of hydrogen peroxide digestion 4 h could get the best results. The best optimized atomic fluorescence spectrometer detection conditions of mercury were as followed: a negative high voltage of 210 V, the shielding gas flow rate of 900 mL/min, the carrier gas flow rate of 500 mL/min, injection volume of 0.5 mL, the Hg lamp current of 10 mA, the atomizer height of 10 …
Simulation Analysis On A Stuffing Machine Molding Cutter Based On Solidworks, Xu Huajun, Tang Ping
Simulation Analysis On A Stuffing Machine Molding Cutter Based On Solidworks, Xu Huajun, Tang Ping
Food and Machinery
No abstract provided.
Development Of Green Walnut Peeling Machine Block, Wu Dongze, Zheng Jiahong, Liang Jinsheng, Niu Shuoya
Development Of Green Walnut Peeling Machine Block, Wu Dongze, Zheng Jiahong, Liang Jinsheng, Niu Shuoya
Food and Machinery
Combined with the green walnut peel machine exist peeling the peel into a drip shape, design a kind of economical and practical green walnut peel block machine on the study of green walnut peel principle, which has carried on the design of cylinder, peeling mechanism. The structure of the machine is simple, convenient, economic, and safety. The efficiency of green walnut peel is about 98.33%，and the damage rate is 2%. It reduces the machine corrosion by the green peel juice from the peeling process and environmental pollution, which has a very good development prospect.
Design And Research On Compliant Manipulator For Shrimps Head Cutting, Han Cui, Zhang Xiuhua, Li Na, Wang Zehe, Yi Jinggang
Design And Research On Compliant Manipulator For Shrimps Head Cutting, Han Cui, Zhang Xiuhua, Li Na, Wang Zehe, Yi Jinggang
Food and Machinery
Designed a compliant manipulator device to cut shrimp head, and used the flexible deformation materials to complete the trajectory. It is proved the best by experiments that the knife went along the trajectory from the back force of shrimp to head. Not only can achieve the best results, but also gains access to a higher headless shrimp yield and good sensory quality. Three dimensional modeling was conducted by using Solidworks software, and the motion simulation by ADAMS software， Through the manufacture and experiments of the compliant manipulator, the headless shrimp yield was improved to 70.78%. The device was simple and …
A 3d-Print Pen Based On Principles Of PistonS Continuous Working, Wang Jinlei, Wang Xiaojun, Ren Yantao
A 3d-Print Pen Based On Principles Of PistonS Continuous Working, Wang Jinlei, Wang Xiaojun, Ren Yantao
Food and Machinery
Introduced the structural characteristics of a 3D-print pen based on the principles of Pistons continuous working ,and then established the mathematical model of the system. Compared with the other 3D-print pen, its print materials changed into liquid material ,such as liquid chocolate, from ABS plastic. The 3D-print pen had the advantages of reasonable design, convenient operation, and extended print material range. These were benefit for development and design of the other 3D-print pen.
Effect Of Sodium Alginate Composite Film On Preservation Of Shelled Seed Of Xiang Lotus, Li Xianghong, Wang Jianhui, Jin Na, Liu Yongle, Yu Jian, Wang Faxiang
Effect Of Sodium Alginate Composite Film On Preservation Of Shelled Seed Of Xiang Lotus, Li Xianghong, Wang Jianhui, Jin Na, Liu Yongle, Yu Jian, Wang Faxiang
Food and Machinery
The effect of different composite films (citric acid, EDTA-Na2 and alginate) on preservation of fresh lotus was studied. Soluble solids content (SSC), net photosynthetic rate, polyphenol oxidase (PPO) and peroxidase (POD) activities of fresh lotus seeds and color variation of fresh lotus shell were investigated at the storage temperature of 4 ℃. Preservative formula with better preservation effect was selected through orthogonal design. The results showed that the best formula of the composite film was composed of 0.3% of citric acid, 0.015% of EDTA-Na2 and 2.5% of alginate, which improved the quality of fresh lotus significantly. The composite …
Effect Of Dense Phase Carbon Dioxide On Quality Of Pre-Packaged Braised Pork Dishes During Storage, Yang Lixin, Zhao Yaxu, Wang Jianzhong
Effect Of Dense Phase Carbon Dioxide On Quality Of Pre-Packaged Braised Pork Dishes During Storage, Yang Lixin, Zhao Yaxu, Wang Jianzhong
Food and Machinery
In order to explore technological feasibility of cold sterilization in Chinese dishes, the changes of physicochemical property, microorganism and sensory quality of pre-package Braised pork by the processing of dense phase carbon dioxide (DPCD) were studied. Results indicated that DPCD could extend the shelf life of pre-package Braised pork to over 90 days. Compared to the high-temperature processing, DPCD could substantially suppress the growth of microorganism, inhibit the accumulation of TVB-N and decelerate lipid oxidation, and keep a better taste, odor and texture as the fresh sample from sensory evaluation during the storage period of pre-packaged Braised pork.
Effect Of Pulsed High Pressure Treatment On Preservative Properties Of Vacuum-Packed Roast Chicken, Liu Qinhua, Li Bin, Pan Runshu, Ma Hanjun
Effect Of Pulsed High Pressure Treatment On Preservative Properties Of Vacuum-Packed Roast Chicken, Liu Qinhua, Li Bin, Pan Runshu, Ma Hanjun
Food and Machinery
In order to evaluate the effect of pulsed high pressure treatment on preservative properties of vacuum-packed roast chicken, the amount of microorganism, the amount of lactic bacteria, pH value, TBARS value, sensory evaluate were studied. Results showed that pulsed high pressure treatments were effective in reducing microbial populations of roast chicken, and the microbial populations were lower over the storage period; the pH value and the TBARS value increased by pulsed number increasing, and they increased first and then decreased over the storage period; the effect of pulsed high pressure treatment on the sensory quality of roast chicken was negligible. …
Study On Contact Pressure And Mechanical Damage Of Apple Under Compression Using Pressure-Sensitive Film, Feng Zhe, Wu Jie
Study On Contact Pressure And Mechanical Damage Of Apple Under Compression Using Pressure-Sensitive Film, Feng Zhe, Wu Jie
Food and Machinery
In order to accurately predict the bruise area of apple subjected to compressive loading, the pressure distribution characteristics for apple compressed at different loads was investigated by the pressure-sensitive film technique combined with apple bruise measurements. Furthermore, the relationship between contact pressure area and bruise area was investigated and the range of pressure area that closed to the bruise area was determined. The result showed that the value of apple flesh failure stress was 0.29 MPa. Pressure distribution on the pressure-sensitive film showed that pressure of 020～0.40 MPa accounted for 72% of the total pressure area and taken the major …
Optimization On Enzymolysis Processing For Muscle Of Onchidium Struma, Diao Ya, Shen Heding, Cheng Zhiqing, Yao Lixiang
Optimization On Enzymolysis Processing For Muscle Of Onchidium Struma, Diao Ya, Shen Heding, Cheng Zhiqing, Yao Lixiang
Food and Machinery
The optimal enzymolysis processing for Onchidium struma muscle protein extraction by trypsin was investigated by response surface methodology and orthogonal design on the basis on the basis of single factor. The results showed that the optimum enzymolysis processing conditions via response surface methodology were as followed: enzymolysis temperature 45 ℃, enzymolysis time 2.3 h, pH value 9.0 and liquid-solid rate 92︰1(V︰m). And by the Orthogonal design, were enzymolysis temperature 45 ℃, enzymolysis time 2 h, pH value 9.0 and liquid-solid rate 90︰1(V︰m). The extraction protein rates by these of two methods were 8.74% and 8.52% respectively.
Preparation Of Reconstitute Germination Sorghum Flake, Li Yan, Yi Cuiping, Li Mengting, Yang Yang
Preparation Of Reconstitute Germination Sorghum Flake, Li Yan, Yi Cuiping, Li Mengting, Yang Yang
Food and Machinery
In order to improve the eating quality and nutrition quality of sorghum, reconstitute germination sorghum flakes were prepared by mixing germination sorghum with grain amaranth and non-waxy rice through screw extrusion and roller press. The protein and dietary fiber contents were used as the nutrition index and the processing formula was designed by software. The results indicated that the protein and dietary fiber contents got to 8.8% and 7.3%, respectively, when the products was prepared by mixing 17.3% of germination red sorghum, 18.1% of amaranth and 64.6% of non-waxy rice. And the contents of protein and dietary fiber were 9.5% …
Research Progress On Gas Storage And Transport Packaging Of Chinese Bayberry Fruit, Jiang Qiaojun, Zheng Yonghua, Xu Jing, Jiang Peishan
Research Progress On Gas Storage And Transport Packaging Of Chinese Bayberry Fruit, Jiang Qiaojun, Zheng Yonghua, Xu Jing, Jiang Peishan
Food and Machinery
Reviewed the research progress in Chinese bayberry gas storage and transport packaging in recent years. Now the Chinese bayberry gas storage methods were mainly as followed: modified atmosphere, controlled atmosphere storage with N2, high CO2, superatmospheric oxygen and fixed gas proportion and so on. Chinese bayberry packaging transportation methods were mainly included: Foam Box + Ice, Plastic Box Packaging and Functional Fresh-keeping Packaging and so on. From the view of practical application, systematically elaborated the problem of this technology system，and points out such as the fast precooling, appropriate proportion of gases and dynamic monitoring, the solution of the mold problem …
Effect Of Matrix On Glassy Carbohydrate Products Comprising Sweet Orange Oil, Chang Dawei, Liu Shuxing, Liu Ning
Effect Of Matrix On Glassy Carbohydrate Products Comprising Sweet Orange Oil, Chang Dawei, Liu Shuxing, Liu Ning
Food and Machinery
Encapsulation in glassy carbohydrates via extrusion is the low temperature technology and considered to be suitable for encapsulating heat-sensitive materials. The selection of matrix is the important factor. The temperatures of extruder barrel were T1 (65 ℃)，T2 (85 ℃)，T3 (105 ℃) and T4 (95 ℃). Screw speed was 60 r/min and the feeding speed was 1.2 kg/h. The effects of matrix including maltodextrin, maltodextrin added sucrose and maltodextrin added modified starch on the extrudates was investigated. The results showed that the extruded products were the glassy state. The glass transition temperature (Tg) of the …