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Articles 391 - 420 of 621
Full-Text Articles in Food Biotechnology
Progress On Source, Detection Technique And Pollution Level Of The New Persistent Organic Pollutant In Infant Milk Powder, Shangguan Jia, Wu Hai-Zhi, Liang Jun, Wang Shu-Xia
Progress On Source, Detection Technique And Pollution Level Of The New Persistent Organic Pollutant In Infant Milk Powder, Shangguan Jia, Wu Hai-Zhi, Liang Jun, Wang Shu-Xia
Food and Machinery
This review summarized the research progress on the sources, analytical methods and levels of contamination of chloropropanol and glycidyl esters (GES), chlorates, perchlorate, polychlorinated biphenyls (PCBs), acrylamide, mineral oils, perfluorinated and polyfluoroalkyl compounds (PFASs) in infant milk powder, and the advantages and disadvantages of detection technology and the domestic and abroad pollution status at about new POPs of infant milk powder were also discussed. Moreover, the development and types of emerging POPs detection techniques for infant milk powder were also prospected.
The Potential Correlation Between Bacterial Community And The Characteristic Volatile Flavour Of Traditional Fermented Fish During Solid Fermentation, Yu Mei-Juan, Yang Hui, Huang Lu-Hong, Tang Huan, Zhang Qun
The Potential Correlation Between Bacterial Community And The Characteristic Volatile Flavour Of Traditional Fermented Fish During Solid Fermentation, Yu Mei-Juan, Yang Hui, Huang Lu-Hong, Tang Huan, Zhang Qun
Food and Machinery
Objective: This study aimed to investigate the microbial succession and the changes of volatile flavor substances in traditional fermented fish. Methods: Traditional microbial counting methods, high-throughput sequencing, gas chromatography-mass spectrometry（GC-MS） were applied to explore the effects of different fermentation times of traditional fermented fish （0~180 d） on microflora changes and the volatile flavor compounds during the processing of the solid fermentation process of traditional fermented fish as well as on the correlation between them. Results: The results showed that the main dominant bacterial genera included Staphylococcus, Lactobacillus, etc. That there were 69 volatile flavor components in fermentation process, mainly including …
Correlation Analysis Of Sensory Evaluation And Texture Characteristics Of Purple Rice Fenyuan, Chen Wei-Xuan, Zhuang Wan-Xian, Wu Qian-Qian, He Heng-Tao, Hu Hai-Yin, Sun Ruo-Xin, Song Xian-Liang
Correlation Analysis Of Sensory Evaluation And Texture Characteristics Of Purple Rice Fenyuan, Chen Wei-Xuan, Zhuang Wan-Xian, Wu Qian-Qian, He Heng-Tao, Hu Hai-Yin, Sun Ruo-Xin, Song Xian-Liang
Food and Machinery
Objective: This study aimed to develop a new type of purple rice Fenyuan and evaluate its quality. Methods: The effects of the mass ratio of purple rice flour and cassava starch on the water absorption, cooking characteristics, texture characteristics and sensory quality of the Fenyuan were explored. The correlation between texture characteristics and sensory evaluation of purple rice Fenyuan was studied by Pearson correlation analysis. Results: When the mass ratio of purple rice flour to cassava starch was 1∶8, the water absorption rate of purple rice Fenyuan was 154.71%, and the cooking loss was 16.45%. Under the control of normal …
Physicochemical Properties Of Layered Starch Of Japonica Rice, Zhang Chu-Jia, Jia Jian-Hui, Gao Man, Liu Ying, Dou Bo-Xin, Zhang Na
Physicochemical Properties Of Layered Starch Of Japonica Rice, Zhang Chu-Jia, Jia Jian-Hui, Gao Man, Liu Ying, Dou Bo-Xin, Zhang Na
Food and Machinery
Objective: This study aimed to improve the high-value utilization of japonica starch and the comprehensive application of japonica layered starch. Methods: Japonica starch was extracted by alkaline and enzymatic methods, and the physicochemical indexes such as basic composition, solubility, swelling power and pasting characteristics of the 3 layers of starch after centrifugation were analyzed, and the structural characteristics were studied by scanning electron microscopy and infrared spectroscopy. Results: The contents of the three starch layers extracted by alkali and enzymatic methods ranged from 91% to 99%, with the highest relative proportion of the middle layer starch. The amylose content of …
Producing Area Discrimination Of Tobacco Leaves Based On Mineral Element Fingerprinting Technology, Sun Jiu-Zhe, Tong Zhi-Jun, Li Meng, Yang Zong-Can, Xu Yong-Ming, Chen Dan, Wang Xu-Dong, Yang Jin-Chu, Zhang Ke
Producing Area Discrimination Of Tobacco Leaves Based On Mineral Element Fingerprinting Technology, Sun Jiu-Zhe, Tong Zhi-Jun, Li Meng, Yang Zong-Can, Xu Yong-Ming, Chen Dan, Wang Xu-Dong, Yang Jin-Chu, Zhang Ke
Food and Machinery
Objective: This paper discusses the feasibility of using mineral element fingerprinting technology of to identify tobacco producing areas, screens out the effective indicators, and constructs the discrimination model of tobacco producing areas. Methods: The contents of 20 mineral elements in tobacco leaves from 11 producing areas were simultaneously determined by ICP-MS, and the data were analyzed by variance analysis, cluster analysis, principal component analysis and discriminant analysis. Results: The contents of 16 elements were significantly different among producing areas, and principal component analysis resulted in 6 principal components, with the cumulative variance contribution of 89.253%. Using linear discriminant analysis, four …
Rapid Detection And Evaluation Of Benzo[A]Pyrene In Barbecue By Mid-Infrared Spectroscopy Model, Shao Shu-Juan, Li Li, Wen Lei, Song Huan, Yang Sheng-Qiong
Rapid Detection And Evaluation Of Benzo[A]Pyrene In Barbecue By Mid-Infrared Spectroscopy Model, Shao Shu-Juan, Li Li, Wen Lei, Song Huan, Yang Sheng-Qiong
Food and Machinery
Objective: In order to realize the rapid detection of benzo[a]pyrene content in barbecue products, a method of detection based on mid-infrared spectrum model was proposed. Methods: The original spectra of 120 barbecue samples were collected by mid-infrared spectroscopy. The original spectra were pretreated by standard normal variable transformation, multivariate scattering correction, first derivative and second derivative. The pretreatment effect of the spectra was evaluated by principal component analysis. The original spectral data were divided into training set and verification set at a ratio of 8∶2 to establish the evaluation model of barbecue products. Results: The R2c, R2p, RMSEC, and RMSEP …
Determination Of 24 Pesticide Residues In Fresh Edible Fungiby Dispersive Solid Phase Extraction-Gas Chromatography Coupled With Tandem Mass Spectrometry, Shen Xia
Food and Machinery
Objective: A gas chromatography-tandem mass spectrometry method was established for the simultaneous determination of 24 pesticide residues in fresh edible fungi. Methods: Samples were homogenized and then shaken horizontally for extraction with water, acetonitrile and salt. After high-speed centrifugation, the supernatant was removed and concentrated with nitrogen then reconstituted with ethyl acetate and finally determined by GC-MS/MS. Electron impact ionization （EI） was used for ionization, multiple reaction monitoring （MRM） mode was used to collect target fragments by multiple reaction monitoring （MRM） mode and internal standard method was used for quantitative analysis. Results: 24 pesticides showed good linearities in their respective …
Determination Of Small Molecular Peptides In Infant Formula Milk Powder By Gravimetric Method Combined With Amino Acid Analysis, Huang Wei-Qian, Huo Wen-Xi, Xu Li-Zhu, He Min-Heng, Wu Jun-Fa, Zheng Xue-Yin, Luo Hao
Determination Of Small Molecular Peptides In Infant Formula Milk Powder By Gravimetric Method Combined With Amino Acid Analysis, Huang Wei-Qian, Huo Wen-Xi, Xu Li-Zhu, He Min-Heng, Wu Jun-Fa, Zheng Xue-Yin, Luo Hao
Food and Machinery
Objective: Combined with the determination of macromolecular protein, amino acid and total protein, a quantitative analysis method for the content of small molecular peptides in infant formula milk powder was established. Methods: The contents of total protein, polymer protein and free amino acid in infant formula milk powder were determined by Kjeldahl nitrogen determination method, gravimetric method and ion exchange chromatography, and then the contents of small molecular protein peptide were calculated. Results: The precision RSD of the macromolecular protein detection (n=6) was 0.74%; The recovery rates of the 17 kinds of amino acids were 91.0%~103.2%, and the relative deviations …
Preparation And Application Of Thiabendazole Molecularly Imprinted Sensor Based On Composite Functional Monomers, You Xiao-Ting, Hu Jing, Zhang Dong-Dong, Tang Lu-Hua, Gao Wen-Hui
Preparation And Application Of Thiabendazole Molecularly Imprinted Sensor Based On Composite Functional Monomers, You Xiao-Ting, Hu Jing, Zhang Dong-Dong, Tang Lu-Hua, Gao Wen-Hui
Food and Machinery
Objective: This study aimed to rapidly detect the residual quantity of thiamendazole in food. Methods: O-aminophenol and o-phenylenediamine were screened as composite functional monomers by ultraviolet spectroscopy. The polymerization and elution conditions were studied by electrochemical analysis, and the performance of the sensor was evaluated. A rapid method for the determination of thiamendam residues in food was established. Results: Under the control of the optimal conditions, the imprinted sensor had the specific adsorption performance for thiamendam and its structural analogues, and the selectivity for thiamendam was the strongest. The linear relationship of this method ranged from 1.0×10-8 to 1.0×10 …
French Food Safety Labeling System And Enlightenment, Jiang Ding, Chen Wen-Hua
French Food Safety Labeling System And Enlightenment, Jiang Ding, Chen Wen-Hua
Food and Machinery
The elements of the French food safety labeling system include specialized management organizations, diversified use objects and diversified identification types. Its text characteristics are reflected in the establishment of a diversified system and standard system, the construction of the cooperation mechanism between the government and market entities, and the attention to the standardized construction of special food safety labeling.In this regard, China's food safety labeling system can be optimized and constructed from the dimensions of improving the diversified food labeling standard system based on Article 71 of the Food Safety Law, building a self-regulatory management standard system with supermarkets and …
Effcets Of Forward Threaded Element Combination On Melt Transfer Characteristics Of Reverse Threaded Element, Liu Zhong-Yao, Huang Zhi-Gang, Dai Xiang-Ji, Yang Ya-Nan, Zhang Yi-Ming
Effcets Of Forward Threaded Element Combination On Melt Transfer Characteristics Of Reverse Threaded Element, Liu Zhong-Yao, Huang Zhi-Gang, Dai Xiang-Ji, Yang Ya-Nan, Zhang Yi-Ming
Food and Machinery
Objective: Explore the effects of different combinations of forward screw elements in the melt conveying section on the melt conveying characteristics of reverse screw elements. Methods: Two different models were constructed by changing the lead, using SolidWorks software to establish a three-dimensional model, and using Polyflow software to numerically simulate the extrusion process of the two models in the melt conveying section. The effects of the screw groove width and screw edge thickness of the screw elements on the flow field under different lead lengths and the changes in the flow field at different rotational speeds were analyzed, and the …
Effects Of Screw Arrangement In Four Screw Extruder Impact On Characteristics Of Polylactic Acid Flow Field, Shang Jia-Wei, Huang Zhi-Gang, Zhang Yi-Ming, Yang Ya-Nan, Dai Xiang-Ji
Effects Of Screw Arrangement In Four Screw Extruder Impact On Characteristics Of Polylactic Acid Flow Field, Shang Jia-Wei, Huang Zhi-Gang, Zhang Yi-Ming, Yang Ya-Nan, Dai Xiang-Ji
Food and Machinery
Objective: The flow channel distribution of polylactic acid in four screw extruder with different screw arrangement was studied. Methods: The three-dimensional modeling software Solidworks was used to establish the screw model and the corresponding fluid region model under the arrangement of one-word screw, four-square screw and encircle screw. Numerical simulation was carried out by the simulation software Polyflow. Results: The screw arrangement of monotype and surround type had better pressure building ability and distribution mixing ability than the square arrangement, and the square arrangement had weaker transport ability of polylactic acid. Conclusion: The four-screw extruder with one-line screw arrangement has …
Optimization And Experiment Of Vibrating Screening Device For Constricted Razor, Liu Han, Shentu Liu-Fang, Sun Xing-Zhao, Wang Meng, Zhang Peng-Cheng
Optimization And Experiment Of Vibrating Screening Device For Constricted Razor, Liu Han, Shentu Liu-Fang, Sun Xing-Zhao, Wang Meng, Zhang Peng-Cheng
Food and Machinery
Objective: To improve the separation efficiency of constricted clam shell and meat. Methods: Taking Lianyungang double-headed razor as the test object, taking frequency, amplitude, and sieve surface inclination as the test factors, and taking the screening efficiency and the ratio of the shell in the meat as the main control targets, a single-factor test was carried out, and the test results were analyzed by Design-Expert software. An analysis of variance was performed to establish a regression model matching the frequency, amplitude, and inclination of the screen surface to the screening efficiency and the ratio of husks in the meat. Using …
The Environment Monitoring System Of Cellar Based On Fuzzy Pid Control, Luo Yi, Shi Yan
The Environment Monitoring System Of Cellar Based On Fuzzy Pid Control, Luo Yi, Shi Yan
Food and Machinery
Objective: Solve the problem of inaccurate temperature control of liquor entering the cellar. Methods: Based on the embedded platform, a ZigBee wireless sensor network for cellar parameter aggregation is constructed. The cellar environmental data transmission, storage and display were realized through NB-IOT and cloud platform. Algorithm, real-time optimization of output parameters Kp, Ki, Kd, to achieve precise control of cellar temperature. Finally verify the performance of the temperature control system. Results: The maximum deviation between the measured temperature and the set temperature by the fuzzy PID control algorithm is 0.25 ℃, the overshoot is 1.6%, and the error is within …
Light Weight Detection Of Mango Surface Defects Based On Machine Vision, Nie Yan-Wen, Yang Jia-Chen, Wen Hui-Xin, Gao Lu, Xu Jian
Light Weight Detection Of Mango Surface Defects Based On Machine Vision, Nie Yan-Wen, Yang Jia-Chen, Wen Hui-Xin, Gao Lu, Xu Jian
Food and Machinery
Objective: Reduce the manufacturing cost of automated mango grading equipment. Methods: The effects of three commonly detection algorithms for mango defect detection were compared, and a defect detection algorithm based on YOLOv5 for mango surface was proposed for the light weight design to work on mobile devices. Results: Compared with the original algorithm, the experimental algorithm can reduce the number of parameters by 45.9%, the number of floating point operations by 46.7%, and the weight file size by 45.2% under the premise of meeting the requirements for mango surface defect detection. Conclusion: the experimental algorithm effectively reduces the performance requirements …
Betel Nut Classification Algorithm Based On Improved Xception, Liu Chang-Jun, Jiao Jian-Ge, Zou Guo-Ping
Betel Nut Classification Algorithm Based On Improved Xception, Liu Chang-Jun, Jiao Jian-Ge, Zou Guo-Ping
Food and Machinery
Objective: In order to reduce the manual demand of betel nut classification improve the accuracy of betel nut classification and reduce the size of classification model. Methods: Expanded the input layer of Xception as the feature extraction backbone network. Added a dual-channel sequeeze and excitation module after the feature extraction network. Used the ELU activation function instead of ReLU. Used the data enhancement to expand the dataset of betel nuts, divided the dataset into training sets, validation sets and test sets in 9∶3∶1, and trained the improved Xception models. Results: When the improved Xception was used to classify 1 100 …
Traditional Festival Food's Packaging: A Display Design Research In The Context Of Cultural Confidence, Zhang Yu, Chen Lei
Traditional Festival Food's Packaging: A Display Design Research In The Context Of Cultural Confidence, Zhang Yu, Chen Lei
Food and Machinery
Taking the display design research on traditional festival food's packaging as a point of penetration, this paper discusses about its display features and way of expression in the context of cultural confidence. At first, the paper analyses and summarizes traditional festival food packaging's current situation. Then, it concludes the display features of traditional festival food packaging's design throughout elucidating its concept. Finally, it probes into the packaging display design's expression way. Traditional festival food's packaging should comply with the tendency of today's aesthetic idea and the consumer development. The packaging's display design features could be started with its way of …
Evaluation Of Inhibitory Activity Of A Polyoxometallate On Polyphenol Oxidase And Its Application In The Preservation Of Litopenaeus Vannamei, Fang Jia-Qi, Han Qing, Ma Yang-Yu, Wang Fang, Li Li-Li, Li Wen-Jie, Wang Li
Evaluation Of Inhibitory Activity Of A Polyoxometallate On Polyphenol Oxidase And Its Application In The Preservation Of Litopenaeus Vannamei, Fang Jia-Qi, Han Qing, Ma Yang-Yu, Wang Fang, Li Li-Li, Li Wen-Jie, Wang Li
Food and Machinery
Objective: To design new and effective polyphenol oxidase （PPO） inhibitors and expand their application in the field of aquatic product preservation. Methods: The synthesized H8[P2Mo17Ni（OH2）O61] （P2Mo17Ni） structure was characterized by ultraviolet and infrared spectrum. The inhibitory effect, type and mechanism of P2Mo17Ni on the relative activity of mushroom PPO in vitro was clarified. Then, the preservation effects of P2Mo17Ni on Litopenaeus vannamei Boone were evaluated through studying the index change of shrimps treated with P2Mo17 …
Bioavailability Of Citrulline In Watermelon Flesh, Rind, And Skin Using A Human Intestinal Epithelial Caco-2 Cell Model, Inah Gu, Olugbenga Balogun, Cindi Brownmiller, Hye Won Kang, Sun-Ok Lee
Bioavailability Of Citrulline In Watermelon Flesh, Rind, And Skin Using A Human Intestinal Epithelial Caco-2 Cell Model, Inah Gu, Olugbenga Balogun, Cindi Brownmiller, Hye Won Kang, Sun-Ok Lee
Food Science Faculty Publications and Presentations
Watermelon produces many byproducts (watermelon rind and skin) even though those components contain various bioactive compounds, including citrulline. This study evaluated the citrulline concentration, total phenolic content, and antioxidant activity (DPPH and FRAP assays) of different parts of watermelon and investigated the bioavailability of citrulline from different parts of watermelon using an in vitro human intestinal epithelial Caco-2 cell monolayer model. Solid-phase extracted watermelon flesh, rind, and skin samples were treated on a Caco-2 cell monolayer for 1, 2, and 4 h. The collected basolateral solution at each time point was analyzed for the percentage of citrulline transport. Watermelon flesh …
Nucleic Acid Detection Of Live Pathogens On Contaminated Foods, Simerdeep Kaur, Mohit Verma
Nucleic Acid Detection Of Live Pathogens On Contaminated Foods, Simerdeep Kaur, Mohit Verma
Graduate Industrial Research Symposium
The goal is to develop a point-of-care biosensor for the detection of live pathogens contaminating beef products. Biosensing of live pathogens is based on isothermal amplification of nucleic acid on a paper-based device. A colorimetric dye is employed as an indicator of the amplification product for visual result. The assay incorporates a compound Propidium monoazide (PMA) that makes the DNA from dead cells inaccessible for amplification. This approach is especially applicable for pathogens that can enter a viable but non-culturable state (VBNC).
Effects Of Storage Conditions On Physical And Chemical Characteristics Of Almond Protein Isolates, Wang Wei-Qing, Li Xiu-Ting, Zhou Bin, Li Shu-Gang
Effects Of Storage Conditions On Physical And Chemical Characteristics Of Almond Protein Isolates, Wang Wei-Qing, Li Xiu-Ting, Zhou Bin, Li Shu-Gang
Food and Machinery
Taking the almond protein isolate (API) as the research object, explored the effect of different storage conditions (temperature, packaging method and time) on the physical and chemical properties and digestion properties of API. The results showed that the free sulfhydryl group of API gradually decreased and the disulfide bond and carbonyl value gradually increased with the storage time prolonged. After 9 months of storage, the molecular weight of API increased, mainly concentrated in 50~70 kDa; as the oxidation degree deepened, the function characteristics of API decreased (solubility and foaming characteristics); at 35 ℃ and non-vacuum packaging conditions, after 9 months …
Drying Characteristics And Quality Of Turpan Seedless White Grape In Different Drying Rooms, E-Li Ka-Si-Mu, Li Ze-Ping, Li Xue-Lian, Shi Yong, Zhou Jun, Huang Hua, Guo Jun-Xian
Drying Characteristics And Quality Of Turpan Seedless White Grape In Different Drying Rooms, E-Li Ka-Si-Mu, Li Ze-Ping, Li Xue-Lian, Shi Yong, Zhou Jun, Huang Hua, Guo Jun-Xian
Food and Machinery
The drying time, green rate, sugar content, VC content, sensory index, and color (including the average value of L*, a*, b*, R, G, B, etc) of seedless white grape in southwest, southeast, north-south, and east-west directions were compared for three kinds of drying houses constructed with different materials in Turpan area. The results showed that in brick drying house and adobe drying house, the drying time of seedless white grape in southwest direction was 24 days, the rate of green product was 32% and 24%, the sugar content was 721.3 mg/g and 719.6 mg/g, the content of VC was 7.84 …
Design And Drying Test Of Refractance Window Drying Equipment, Wei-Peng Zhang, Yi-Fan Nie, Hong-Wei Xiao, Zhi-An Zheng, Hao-Yu Ju, Zhi-Gang Huang
Design And Drying Test Of Refractance Window Drying Equipment, Wei-Peng Zhang, Yi-Fan Nie, Hong-Wei Xiao, Zhi-An Zheng, Hao-Yu Ju, Zhi-Gang Huang
Food and Machinery
In order to explore a suitable drying device and method for heat-sensitive pulp materials, a refractance window dehydration (RW) device and an infrared refractance window dehydration (IR-RW) device were designed and manufactured with hot water and carbon fiber infrared plate as heat sources, respectively. The drying experiments were carried out with carrot pulp and also compared with the hot air drying. Both of the RW and IR-RW device were composed of feeding system, heating system, cooling system and unloading system. The control system was made of touch screen and a series of slave controllers. A control network was formed base …
Determination Of Blending Uniformity Of Cut Tobacco Based On Near Infrared Spectroscopy, Ke-Wen Zhao, Shi Chen, Hao Jiang, Long-Jun Li, Ze-Song Luo, Zhong-Wei Yin, Xing-Lin Zhang, Jing Liu
Determination Of Blending Uniformity Of Cut Tobacco Based On Near Infrared Spectroscopy, Ke-Wen Zhao, Shi Chen, Hao Jiang, Long-Jun Li, Ze-Song Luo, Zhong-Wei Yin, Xing-Lin Zhang, Jing Liu
Food and Machinery
In order to establish rapid evaluation method of tobacco, cut stem and reconstituted tobacco, multiply ratios of sugars to alkali by potassium was selected as blending homogeneity evaluation index sign. Based on tobacco (500), cut stem (500), reconstituted tobacco (250) and the formula of tobacco production line (30) of the near-infrared spectral information and blending evenness index data, the pattern recognition model and the marker correction model of evenness index data of tobacco, cut stem and reconstituted tobacco were built. The results showed as follows. ① The overall information of near-infrared spectra of the three tobacco samples were differences. ② …
Study On Physicochemical Properties And In Vitro Digestion Of The Resistant Starch From Eleusina Coracana (L.) Gaertn, Jia-Li Chen, Jing-Jie Liu, Pan-Fei Xiao, Le Wang, Li-Ya Ma, Chi-Ling Li
Study On Physicochemical Properties And In Vitro Digestion Of The Resistant Starch From Eleusina Coracana (L.) Gaertn, Jia-Li Chen, Jing-Jie Liu, Pan-Fei Xiao, Le Wang, Li-Ya Ma, Chi-Ling Li
Food and Machinery
The resistant starch (RS3) was prepared by ultrasonic and thermal-press processing using the starch from Eleusine cor-acana (L.) Gaertn (finger millet) as a raw material. The physicochemical properties and digestive characteristics of the finger millet RS3 were characterized. The results showed that compared with the raw starch of finger milletraw, RS3 had greater solubility, thermal stability and freeze-thaw stability; while its swelling and settling properties were small, and these characteristics could be used to improve the texture of the food and increase the crispness of the food. Compared with ordinary corn RS3, the finger …
Analysis And Comporison Of Nutritional Component In The Muscle Of Zhedong Geese And Landes Geese, Hua Yang, Su-Ling Sun, Wei-Hu Chen, Li-Zhi Lu, Yu Zhang, Jun-Hong Wang, Zuo-Yi Zhu, Xue Li, Wei Wang
Analysis And Comporison Of Nutritional Component In The Muscle Of Zhedong Geese And Landes Geese, Hua Yang, Su-Ling Sun, Wei-Hu Chen, Li-Zhi Lu, Yu Zhang, Jun-Hong Wang, Zuo-Yi Zhu, Xue Li, Wei Wang
Food and Machinery
To study the difference of nutritional value of Zhedong geese and Landes geese, the contents of nutritional component in chest and leg muscle of Zhedong geese and Landes geese were determined. The results showed that crude fat content of Zhedong geese was higher than that of Landes geese. However, crude protein and crude ash contents were almost same in Zhedong geese and Landes geese. Both Zhedong geese andLandes geese had a wide variety of amino acids, and their essential amino acids (EAA) compositions and structures fit in FAO/WHO recommended pattern for amino acids. The first limited amino acid in Zhedong …
Rapid Screening Of Three Kinds Of Guanidine Contraband In Auxiliary Sugar Reduction Capsule, Ying An, Ying Zhou, Jian-Bo Ji, Dong-Mei Ge
Rapid Screening Of Three Kinds Of Guanidine Contraband In Auxiliary Sugar Reduction Capsule, Ying An, Ying Zhou, Jian-Bo Ji, Dong-Mei Ge
Food and Machinery
A method for rapid screening and qualitative and quantitative determination of three biguanides, MH, PH and BH, in Jiangtang capsules by reversed-phase ion-pair-LC-MS was established and validated. Anagilent technologies C18 column (4.6× 250 mm, 5 μm) was used for the determination at 235 nm. A methanol-B ammonium acetate solution (0.01 mol/L) was used as the mobile phase for gradient elution at a flow rate of 0.5 mL/min. After the HPLC detection, the mass spectrometer for positive ion mode scanning was used for screening. The recovery of standard addition was 87.5%~108.4%, and the relative standard deviation was 0.5%~7.4%, with good precision …
Construction Of Green Food Packaging System Based On The Strategic Management Of The Supply Chain, Lu Zhao
Construction Of Green Food Packaging System Based On The Strategic Management Of The Supply Chain, Lu Zhao
Food and Machinery
In the context of increasingly-prominent global resources and environmental issues, this paper takes thewhole life cycle assessment as the basic principle, combining the basic characteristics of the supply chain network system of food packaging industry, and uses the core links-market investigation-packaging design-material selection-manufacturing and supporting manufacturing-recycling and processing-are the entry point. The green food packaging industry management process and technical system based on the strategic management of the supply chain cycle are initially constructed, and put forwards the practice path and future trend of the green food packaging system in the new era.
Prediction Model Research Of Ssc In Watermelon Based On Deep Learning And Visible/Near Infrared Spectroscopy, Shuang Wu, Guo-Jian Li, Deng-Fei Jie
Prediction Model Research Of Ssc In Watermelon Based On Deep Learning And Visible/Near Infrared Spectroscopy, Shuang Wu, Guo-Jian Li, Deng-Fei Jie
Food and Machinery
In this study, near infrared spectroscopy combined with chemometrics building models to was used to detect the soluble solid contents from watermelon,through four methods, K nearest neighbors regression, Random forest regression, convolution neural network, convolution neural network added residual-block. Some deep learning modules with image processing, coding modules in 1-d ways and apply in Visible/Near-infrared spectroscopy for modeling exploration was used. As a result, deep learning modules showed great potential in Visible/Near-infrared spectroscopy data processing, and CNN model got 0.855 9 correlation coefficient and 0.778 1 °Brix RMSEP in prediction-set. The Res-CNN model achieved 0.893 2 correlation coefficient and 0.710 …
Auxiliary Hypoglycemic Effects Of Compound Nutritional Powder On The Type 2 Diabetic Rats, Qing-Hai Sheng, Wei Zhao, Yan-Ju Jia, Zhi-Yong Dai, Ying He, Jing Liu, Li Xu, Jin-Li Long, Jun Wang, Zeng-Ning Li
Auxiliary Hypoglycemic Effects Of Compound Nutritional Powder On The Type 2 Diabetic Rats, Qing-Hai Sheng, Wei Zhao, Yan-Ju Jia, Zhi-Yong Dai, Ying He, Jing Liu, Li Xu, Jin-Li Long, Jun Wang, Zeng-Ning Li
Food and Machinery
To evaluate the auxiliary blood glucose-lowering function of compound nutritional powder made from whole milk powder, erythritol, almond powder, resistant dextrin, polydextrose, inulin, mogroside, etc., on diabetic rats. Establish a rat model of insulin resistance glucose/lipid metabolism disorder, and evaluate the effects of compound nutritional powder on normal rats and insulin resistance glucose/lipid metabolism disorder model rats. The compound nutritional powder had no significant effect on the blood sugar of normal rats; the glucose tolerance index of insulin resistance glucose/lipid metabolism disorder model rats was positive, the blood lipid index was negative, and there was no significant change in insulin …