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Articles 991 - 1020 of 5215
Full-Text Articles in Food Biotechnology
The Public Opinion Monitoring, Network Attention And Forecasting The Reference Values Of The Labeled Food Nutrition, Ze-Ying Huang
The Public Opinion Monitoring, Network Attention And Forecasting The Reference Values Of The Labeled Food Nutrition, Ze-Ying Huang
Food and Machinery
Using 1 531 comment data of Sina Weibo and 2 587 of Baidu index data from 2013 to 2020, based on word cloud analysis, text sentiment analysis, and ARIMA-SVM prediction model, based on word cloud analysis, text emotion analysis and ARIMA-SVM prediction model. It was found that residents most concerned about the nutrient reference value of energy, and the nutrient reference value of moon cakes, soy sauce, yuanxiao, milk and other products were more used, especially children's food. In general, the nutrient reference values obtained slightly higher praise, but there were also many controversies; nutrient reference values did not get …
Market Development Status Of Chinese Prepared Food Under The Globalized Epidemic Trends, Pei-Bei Wei, Sui-Jian Qi
Market Development Status Of Chinese Prepared Food Under The Globalized Epidemic Trends, Pei-Bei Wei, Sui-Jian Qi
Food and Machinery
The epidemic situation of new coronavirus infection has become globalized and seemed to be long-term existence, and its prevention and control will become normal. Under the comprehensive situation of resumption of work and production, reopening of school, the intake of sufficient nutrients and the improvement of immunity are personal primary protection against viruses. Prepared foods can be a convenient way to provide dietary nutritious food. Here, we discuss the current situation of the market development of prepared foods in China from the perspective of the human nutrition demand and the convenient supply of dietary nutrients under the long-term trend of …
Differential Proteomics Analysis Of Egg Whites At Different Spray Drying Inlet Temperatures, Li-Li Liu, Sheng-Juan Shi, Ke Chen, Meng-Jun Zhang, Wei-Ming Hao, Yuan-Yuan Li
Differential Proteomics Analysis Of Egg Whites At Different Spray Drying Inlet Temperatures, Li-Li Liu, Sheng-Juan Shi, Ke Chen, Meng-Jun Zhang, Wei-Ming Hao, Yuan-Yuan Li
Food and Machinery
The purpose of this study was to investigate the protein expression of egg white protein at different inlet temperatures of spray drying (140,160,180 ℃). ITRAQ technology was used to identify and bioinformatics egg white proteins, and to investigate the distribution, function and mechanism of different proteins in egg white powder during different drying processes. The results showed that, compared with the control group at 140 ℃, 41 and 46 different proteins were identified at 160 ℃ and 180 ℃ respectively during the spray drying process of egg white (Fold change ＞1.2, P＜0.05). GO function annotation analyzed the biological processes that …
Effect Of Withering Time On Biochemical Components And Volatile Of Tea Leaves From Danxia 8, Xiao-Yan Qiao, Wei Chen, Cheng-Ying Ma, Dong Chen
Effect Of Withering Time On Biochemical Components And Volatile Of Tea Leaves From Danxia 8, Xiao-Yan Qiao, Wei Chen, Cheng-Ying Ma, Dong Chen
Food and Machinery
The comparative analysis was performed for the biochemical components, and volatile of tea leaves from Danxia 8 treated at different withering time. The regularity of biochemical characteristics and aroma profile were expected to find out by statistical methods. The results showed that tea polyphenols increased significantly from 0 h to 23 h, and then decreased significantly. The content of free amino acids increased significantly from 0 h to 16 h, while theanine decreased remarkably. The contents of free amino acids and theanine decreased significantly in the next time. At the whole withering process, caffeine content increased significantly, but theobromine decreased …
Effects Of Different Soybean Powder On Farinograph And Gelatinization Characteristics Of Wheat Flour, Jing-Hong Shi, Shu-Wen Guo, Yun-Ling Li, Xiao-Bing Zhu
Effects Of Different Soybean Powder On Farinograph And Gelatinization Characteristics Of Wheat Flour, Jing-Hong Shi, Shu-Wen Guo, Yun-Ling Li, Xiao-Bing Zhu
Food and Machinery
The soybean powder and wheat powder were mixed in different proportions, and the effect of different soybean powder on the farinograph and gelatinization characteristics of wheat powder were analyzed using Mixolab hybrid experiment instrument and rapid viscosity analyzer. The result showed that as the amount of soybean powder added increased, the stabilization time and formation time of the dough reduced, the weakening degree of dough protein increased, and peak viscosity, the trough viscosity, final viscosity, and regenerative value continued to decrease. The C2 value, peak viscosity, trough viscosity, final viscosity, gelatinization temperature and gelatinization time were significantly negatively correlated(P＜0.05) with …
Whole Genome Analysis And Molecular Traceability Study Of Salmonella In Fresh Livestock And Poultry Meat, Sheng Song, Han Gao, Li Yan, Kun-Peng Guo, Hai-Yun Zhang, Fang-Bin Wang
Whole Genome Analysis And Molecular Traceability Study Of Salmonella In Fresh Livestock And Poultry Meat, Sheng Song, Han Gao, Li Yan, Kun-Peng Guo, Hai-Yun Zhang, Fang-Bin Wang
Food and Machinery
In order to investigate the contamination status of Sal-monella in fresh pork and fresh chicken, and research its whole genome characteristics and molecular traceability, the laboratory randomly collected 24 fresh pork and 27 fresh chicken from the fresh market in Changsha, were inspected according to “National Food Safety Standard Food microbiological examination: Salmonella” GB 4789.4—2016. The results showed that in 24 randomly selected fresh pork, 20 samples were detected, with the detection rate of 83.3%; in 27 randomly selected fresh chicken, 20 samples were detected, and the detected rate is 74.1%; the total detection rate was 78.4%. The results …
Determination Of Vancomycin Antibiotics Residues In Animal Derived Food By Solid Phase Extraction And High Performance Liquid Chromatography-Tandem Mass Spectrometry, Jin Lin, Xiao-Long Fan, Feng Jiang, Qing-Zhi Peng, Tao-Hong Zhou
Determination Of Vancomycin Antibiotics Residues In Animal Derived Food By Solid Phase Extraction And High Performance Liquid Chromatography-Tandem Mass Spectrometry, Jin Lin, Xiao-Long Fan, Feng Jiang, Qing-Zhi Peng, Tao-Hong Zhou
Food and Machinery
A accurate and quantitative method was developed for the determination of vancomycin antibiotics residues in animal food by high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). The samples were extracted by formic acid acetonitrile solution, degreased by acetonitrile-saturated n-hexane, purified by cation solid-phase extraction column, detected in the multi reaction monitoring (MRM) positive ion mode, and quantified by internal standard method using didechloro vancomycin as internal standard. The results showed that the target of vancomycin and norvancomycin had a good linear relationship in the range of 20~200 μg/L, and the correlation coefficient (R2) could reach more than 0.997. The …
Research On The Application Of Three-Step Hybrid Variable Selection Strategy In Chicken Moisture Detection By Near Infrared, Kai Yuan, Zhi-Yong Zhang, Qian Xi, Ying-Rui Wu, Dong-Sheng Guo, Guo-Kang He
Research On The Application Of Three-Step Hybrid Variable Selection Strategy In Chicken Moisture Detection By Near Infrared, Kai Yuan, Zhi-Yong Zhang, Qian Xi, Ying-Rui Wu, Dong-Sheng Guo, Guo-Kang He
Food and Machinery
Based on the three-step hybrid strategy of effective variable selection (rough selection, fine selection and optimal selection) in multivariate calibration of spectra, a feature variable selection method combining interval partial least squares (iPLS), interval variable iterative space shrinkage approach (iVISSA) and iteratively retaining informative variables (IRIV) was proposed to select the feature wavelengths of the near-infrared spectra of fresh chicken breast,and established a chicken moisture detection model. The number of modeled wavelengths was reduced by 0.76% after iPLS-iVISSA-IRIV, but the accuracy were stability of the model are gradually improved. The modeling results using the selected 8 characteristic wavelengths were as …
Study On The Standardized Method Of Key Supervision Data For Safe Production Of Instant Rice, Xiao-Juan Wu, Dong Xu, Jie Dong, Wei Wu
Study On The Standardized Method Of Key Supervision Data For Safe Production Of Instant Rice, Xiao-Juan Wu, Dong Xu, Jie Dong, Wei Wu
Food and Machinery
The entire industrial chain of instant rice production, including paddy planting, paddy storage, rice processing, instant rice processing, instant rice storage and sales, etc., was analyzed to select the main links and critical control points. The detection objects, main indicators and main hazard factors, such as pollutants, mycotoxins, food additives, microbiological indicators, etc., of important links and critical control points were determined. A relatively complete key supervision database structure for the safe production of instant rice has been gradually formed. The key supervision database for the safe production of instant rice included regulation sets, method sets and data sets. The …
Simultaneous Determination Of 8 Adipate Plasticizers In Infant Formula By Isotope Dilution-Gas Chromatography-Mass Spectrometry, Yong-Hui Huang
Simultaneous Determination Of 8 Adipate Plasticizers In Infant Formula By Isotope Dilution-Gas Chromatography-Mass Spectrometry, Yong-Hui Huang
Food and Machinery
A method was developed for the simultaneous determination of 8 adipate plasticizers in infant formula by isotope dilution-gas chromatography-mass spectrometry (GC-MS). With the infant formula sample completely dissolved in water, n-hexane was used as the extraction solvent. After ultrasonic extraction, qualitative and quantitative analysis were carried out by GC-MS in selected ion monitoring modes. The correlation coefficients (R2) of 8 adipate plasticizers were over 0.999, The limits of detection (LODs) were 0.08~0.12 mg/kg and the limits of quantification(LODs) were 0.2~0.4 mg/kg. The average recoveries of 8 adipate plasticizers in milk powder were ranged from 94.8% to 103.3%. In …
Evaluation Of Uncertainty In Chemical Analysis Laboratory Using Control Chart, Jing Li, Xin-Xin Xiao, Xian-Jin Guo
Evaluation Of Uncertainty In Chemical Analysis Laboratory Using Control Chart, Jing Li, Xin-Xin Xiao, Xian-Jin Guo
Food and Machinery
According to the test method of GB/T 5750.6—2006, the cadmium content in drinking water was measured by graphite furnace atomic absorption spectroscopy, and the accumulated data was statistically analyzed based on the Top-down control chart method. The extended uncertainty was 0.30 μg/L (k=2,P=95%). Using Top-down control chart method to assess the uncertainty is statistically rigorous, and has a wide range of application prospects.
Detection And Analysis Of Sulfonamides Residues In Meat Poultry In Hunan Province, Jun Xiang, Wan-Li Tang, Hui Liu, Hong-Qing Zhao
Detection And Analysis Of Sulfonamides Residues In Meat Poultry In Hunan Province, Jun Xiang, Wan-Li Tang, Hui Liu, Hong-Qing Zhao
Food and Machinery
To understand the residues of sulfonamides in meat poultry in Hunan, providing basis for expanding the application of detection methods of sulfonamide residues and strengthening the quality and safety supervision of meat poultry products, the ultra-performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS) method was optimized for the simultaneous determination of 10 kinds of sulfonamide residues in meat poultry. The residues of sulfonamides in more than 300 batches of meat poultry samples produced and sold in various regions of Hunan Province were analyzed. The detection results of actual samples showed that the detection rate of trimethoprim was the highest among the …
Geographic Origin Determination Of Millet Based On Near Infrared Spectroscopy Technique, Nan Li, Chun-Jie Yang
Geographic Origin Determination Of Millet Based On Near Infrared Spectroscopy Technique, Nan Li, Chun-Jie Yang
Food and Machinery
In order to provide a scientific method for the geographic origin determination of millet, a portable near-infrared (NIR) spectrometer was used in combination with other methods, including principal component analysis (PCA), linear discriminant analysis (LDA) and multi-layer perceptron neural network (MLP-NN). The results showed that, for PCA model, samples from different places except Shanxi, Henan and Heilongjiang provinces clustered into different groups significantly. Millet samples from different origins could be effectively discriminated by FLDA and MLP-NN. The MLP-NN model was better than FLDA model in recognition rate. The recognition accuracy of the two models for the predication set were 92.3% …
Research On “Blockchain + Rfid” Enabling Food Traceability Platform, Zong-Mei Liu
Research On “Blockchain + Rfid” Enabling Food Traceability Platform, Zong-Mei Liu
Food and Machinery
The “Blockchain + RFID” two-in-one collaborative sharing model constructed by blockchain technology and radio frequency identification technology in the era of big data is described. This model uses the alliance chain to build the food traceability system and Go language is used to develop the chain in Fabric Code. Node.js is used to write the client program. The mobile terminal realizes the food traceability query by scanning the code, and the client uses certificate authentication account to query the web page. Through the interconnection of all aspects of food circulation, we can quickly locate responsible parties for food safety incidents.
Design Of Industrial Fermentation Measurement And Control System, Li-Ming Qian, Feng Guo, Meng Zha, Wei-Wei Lu
Design Of Industrial Fermentation Measurement And Control System, Li-Ming Qian, Feng Guo, Meng Zha, Wei-Wei Lu
Food and Machinery
In order to improve the quality of products in the fermentation process and increase the output of products and optimize the fermentation process. a set of fermentation process measurement and control system based on SIEMENS PCS7 and Batch formulation system was designed in this study. Moreover, the centralized management of data was realized through MES system and report system. The system consisted of network part, hardware part, software part and data processing part. The double redundant ring network structure was adopted in the network part. The CPU400 redundant structure was adopted in the hardware part. PCS7 and batch were used …
Design Of Tea Baking Temperature Control System Based On Fuzzy Neural Network Pid Control, Xing Chen
Design Of Tea Baking Temperature Control System Based On Fuzzy Neural Network Pid Control, Xing Chen
Food and Machinery
Aiming at the refined requirements of temperature in the process of scented tea baking, a control system composed of fuzzy control, neural network and PID algorithm was proposed to realize the reliable control of temperature and humidity and to achieve the purpose of rapid dehumidification and drying of flowers. The system taken the temperature and humidity error e and error rate ec as input variables for fuzzy processing, established membership function, through fuzzy reasoning and fuzzy production into the output, for PID control system to provide optimal regulatory factor △K, accurate control of the executive unit. The system …
Design And Research Of A Small And Medium-Sized Vacuum Apple Beater With Intermission, Song Chen, Jun Jiang, Zhong Huang
Design And Research Of A Small And Medium-Sized Vacuum Apple Beater With Intermission, Song Chen, Jun Jiang, Zhong Huang
Food and Machinery
The appearance and taste of the apple pulp is affected by the oxidation and browning of apples exposed to the air, which occur during the production process of small and medium-sized apple pulping machines. In response to this problem, a small and medium-sized intermittent apple vacuum pulper were designed. Based on the technical process of apple pulping, the working principle and basic structures of the apple vacuum pulper are analyzed; the operational process of the machine and its guarantee of "vacuum degassing" were discussed in detail. Experimental validation showed that the designed intermittent small and medium-sized apple vacuum pulper could …
Improvement Of Electrification Of Hand-Made Cigar Machine, Jun-Yao Li, Zi-Xiang Huang, Jian Wang, Qun-Ling Guo, Rong Jian, Tao Chen, You-Zhi Shi
Improvement Of Electrification Of Hand-Made Cigar Machine, Jun-Yao Li, Zi-Xiang Huang, Jian Wang, Qun-Ling Guo, Rong Jian, Tao Chen, You-Zhi Shi
Food and Machinery
This paper improves the traditional cigar machine and configures endogenous mechanical power instead of manual. The SA / TDR63M4 geared motor is selected through theoretical calculation to make the electric cigar machine run steadily. The improved electric cigar machine reduces the labor intensity of staff, the average daily output efficiency can increase by 20.13%, the standard deviation of cigar resistance decreases from 109.816 kPa to 73.542 kPa, and the standard deviation of circumference decreases from 0.613 mm to 0.370 mm, indicating that the electric cigar machine can improve the output efficiency of round-head flat-tailed hand-made cigars and ensure the consistency …
Research And Design Of Portable Chinese Chestnut Opener, Chen-Yang Wang, Ya-Kun Cai, Deng-Xin Han, Qing-Qiu Han, Li-Na Jia
Research And Design Of Portable Chinese Chestnut Opener, Chen-Yang Wang, Ya-Kun Cai, Deng-Xin Han, Qing-Qiu Han, Li-Na Jia
Food and Machinery
Based on the current research status of chestnut openers and combined with the existing chestnut openers defects in use, design a household all-inclusive chestnut openers with high safety, high efficiency, easy portability and other characteristics. First, the chestnut was sampled, measured, and analyzed to obtain the geometric parameters; then, in the design of the opener, the cross blade uses a safe and sharp zirconia ceramic blade to optimize the design of the existing opener handle. The silicone anti-skid layer and other components make it have good comfort and fixability. Finally, through the design of the structure and material of the …
Research On Pre-Packaged Food Detection Based On Machine Vision, Wen-Xiu Li, Qiu-Ping Luan
Research On Pre-Packaged Food Detection Based On Machine Vision, Wen-Xiu Li, Qiu-Ping Luan
Food and Machinery
In order to improve the detection accuracy of pre-packaged food, a defect detection system based on machine vision was designed. The detection system mainly includes image acquisition module, image processing and analysis module, output execution module and so on. The image processing method was described in detail. The image denoising model based on partial differential equation was used. The defect region was segmented by double threshold segmentation method. Finally, BP neural network was used to classify defects according to circumference, area and roundness. The feasibility and effectiveness of the method ware verified by experiments. The experimental results show that the …
Effects Of 60Co-Γ Ray Irradiation On Sterilization And Quality Of Youtazi, A-Qian Shen, Wen-Shu Huang, Tong Li, Shu-Chang Chen, Zuo-Shan Feng, Yu-Jia Bai
Effects Of 60Co-Γ Ray Irradiation On Sterilization And Quality Of Youtazi, A-Qian Shen, Wen-Shu Huang, Tong Li, Shu-Chang Chen, Zuo-Shan Feng, Yu-Jia Bai
Food and Machinery
In order to explore the suitable irradiation range of 60Co-γ ray irradiation on Youtazi, which was adopted 60Co-γ ray irradiation with different irradiation dose to investigate the effects of irradiation dose on microorganism, acid value (AC), peroxide value (POV) and chromatic aberration of Youtazi under different conditions. The results showed that the number of microorganisms in Youtazi decreased with the increase of irradiation dose, and the range of irradiation dose was 3~7 kGy. Irradiation can slow down the increasing trend of acid value in Youtazi during storage, and the higher the irradiation dose, the lower the acid value …
Effects Of Starch, Fat, Protein And Nacl On Antibacterial Activity Of Chlorine Dioxide, Qiu-Yun Bi
Effects Of Starch, Fat, Protein And Nacl On Antibacterial Activity Of Chlorine Dioxide, Qiu-Yun Bi
Food and Machinery
In this paper, the sensitivity of Gram-negative bacteria, Gram-positive bacteria, yeast, fungal spores and Bacillus cereus spores of several food borne microorganisms in the relative humidity of 90% and 0.08 mg/L gaseous ClO2 was studied. The results showed that the resistance of Gram-negative bacteria, Gram-positive bacteria, yeast, fungal spores and Bacillus cereus spores to gaseous ClO2 gradually increased. Through the treatment of gaseous ClO2, the average reduction of microorganism was 0.1~3.5 lg (CFU/cm2). At the same time, the effects of starch, fat, protein and NaCl in food on the antibacterial activity of gaseous ClO …
Effects Of Different Organic Acid Impregnating Treatments On The Quality Of Freeze-Dried Apple Slices, Qian-Ju Wang, Ting-Cai Yan, Qiu-Ju Yan, Chun Hua, Feng Zhou, Hai-Ou Wang
Effects Of Different Organic Acid Impregnating Treatments On The Quality Of Freeze-Dried Apple Slices, Qian-Ju Wang, Ting-Cai Yan, Qiu-Ju Yan, Chun Hua, Feng Zhou, Hai-Ou Wang
Food and Machinery
The fresh-cut apple slices were impregnated with different concentrations (1%, 2%, 3% and 4%) of organic acid including citric acid, ascorbic acid, malic acid and acetic acid. The color, yield, rehydration, deformation rate, texture characteris-tics and microscopic pore structure of freeze-dried apple chips were used as indicators to analyze the effect of different acid immersion on the quality of vacuum freeze-dried apple chips. The results showed that the △E value of freeze-dried apple slices treated with citric acid, ascorbic acid and malic acid increased with the increase of acid concentration, with relatively small △E value treated with acetic acid, …
Optimization Of Degumming Process And The Analysis Of Physicochemical Indexs Of Flaxseed Oil, Yun-Yun Chen, Jin-Ying Wang, Xing-Rui Wang, Yu-Ze Han
Optimization Of Degumming Process And The Analysis Of Physicochemical Indexs Of Flaxseed Oil, Yun-Yun Chen, Jin-Ying Wang, Xing-Rui Wang, Yu-Ze Han
Food and Machinery
In order to improve the quality of flax oil, the conventional hydration method was used to optimize the degumming process conditions and analyze the main physicochemical indexes. Taking the degumming rate as an indicator, the effects of temperature, time, water addition and phosphoric acid addition on the degumming effect of flax seed oil were studied respectively. Optimizing the degumming conditions of flax seed oil based on single factor and Box-Behnken center combination experimental design principle. The results showed that the best process conditions for degumming by conventional hydration method of flax seed oil: the temperature of 63.7 ℃, the time …
Effect Of Roasting On The Flavor And Quality Of Highland Barely Wine, Hai-Qing Yang, Xi-Yu Peng, Liu-Yang Ren, Ying Lv, Shun-Tang Guo
Effect Of Roasting On The Flavor And Quality Of Highland Barely Wine, Hai-Qing Yang, Xi-Yu Peng, Liu-Yang Ren, Ying Lv, Shun-Tang Guo
Food and Machinery
In this study, highland barley wine was produced with roasted barley to increase the flavor of the wine. Physical-chemical properties such as pH value, total acid, total sugar, alcohol content of the wine and flavor were determined. The evaluations of acidity, sugar content and sensory of the wine were found increased with roasted barley, and roasting improved the variety of flavor substances for the highland barley wine. Nonanal, phenylethyl alcohol, benzeneacetaldehyde and decanal were determined to be the key flavor substances of the four barley wines (ROAV＞1). Acetophenone and geranylacetone were found to be the modified compounds to barley wines …
Optimization Of Preparation Technology And Structural Characterization Of Tarragon Essential Oil Nanocapsules, Ying Liang, Hui-Yun Zhang, Huai-Bin Kang
Optimization Of Preparation Technology And Structural Characterization Of Tarragon Essential Oil Nanocapsules, Ying Liang, Hui-Yun Zhang, Huai-Bin Kang
Food and Machinery
Chitosan-tarragon essential oil nanocapsules were prepared by ion gelation method. The effects of the mass ratios of tarragon essential oil to chitosan, pH of chitosan solution, and the mass ratio of sodium tripolyphosphate to chitosan on the encapsulation rate of tarragon essential oil nanocapsules were investigated. Box-Behnken experiment design and response surface analysis were used to optimize the preparation process of nanocapsules, and the quadratic regression model was established. The results showed that the optimum preparation process of tarragon essential oil nanocapsules was the mass ratio of tarragon essential oil to chitosan 2∶1, pH=3.5, and the mass ratio of sodium …
Optimization Of The Inhibition Process Of Non-Enzymatic Browning And Nutrition Preservation In Stanuntonia Chinensis Juice, Lin-Yun Cui, Hong-Bo Lou
Optimization Of The Inhibition Process Of Non-Enzymatic Browning And Nutrition Preservation In Stanuntonia Chinensis Juice, Lin-Yun Cui, Hong-Bo Lou
Food and Machinery
With the inhibition of Non-enzymatic browning in Sta-nuntonia chinensis juice as the main objective, and the nutrition preservation (such as polyphenol preservation rate and ·OH clearance rate) of the juice as the consideration, the response surface method was applied to optimize the process of browning inhibition. First, the plackett-burman (PB) design was applied to screen out three inhibitors with a reliability greater than 95%: L-cysteine, sodium D-isoascorbate and phytic acid. Then, the optimal value range and effects direction were determined by steepest ascent design. Finally, the Box-Behnken Design (BBD) experimental design was used for response surface optimization and the optimal …
Effect Of Three Drying Methods On The Quality Of Taihe Toona Sinensis Bud, Yan-Hong Liu, Zhang-Ping Xiong, Chun-Yan Ji, Shuang-Fang Li, Sheng-Jie Liu
Effect Of Three Drying Methods On The Quality Of Taihe Toona Sinensis Bud, Yan-Hong Liu, Zhang-Ping Xiong, Chun-Yan Ji, Shuang-Fang Li, Sheng-Jie Liu
Food and Machinery
The natural drying, hot air drying at different temperatures and vacuum freeze drying were carried out on the buds of Taihe toon respectively. The changes of nutrient components such as VC, chlorophyll, total flavone and protein and the rehydration performance of Taihe toon buds after drying were determined. The effects of different drying methods on the quality of Taihe toon buds were comprehensively evaluated. In the dry products obtained by vacuum freeze-drying, the retention of VC, chlorophyll, total flavonoids and protein was the highest, which were 74.00 mg/100 g, 14.1 mg/g, 3.50 mg/g, 8.12 mg/g, respectively. …
Construction And Prediction Of Bayesian Network Model Of Relationship Between Process Parameters And Discharge Quality In Loosening And Conditioning, Jun Tang, Li Tang, Li-Liang Wen, Bang-Hua He, Wen-Qiang Lin, Zhong-Da Zeng, Ning Ma, Bing Zhou
Construction And Prediction Of Bayesian Network Model Of Relationship Between Process Parameters And Discharge Quality In Loosening And Conditioning, Jun Tang, Li Tang, Li-Liang Wen, Bang-Hua He, Wen-Qiang Lin, Zhong-Da Zeng, Ning Ma, Bing Zhou
Food and Machinery
The complex relationship between the process parameters and the quality index of loosening and conditioning process was studied, and the network model was established by using Bayesian network analysis method. The results showed that: ① The network model of loosening and conditioning process could well reveal the influence relationship and influence weight of process parameters on the discharge moisture content and temperature. ② The influence degree of process parameters on the discharge moisture content was determined as from high to low, opening of automatic valve for air water mixing ＞ unit time material cumulative measurement ＞ water addition ratio ＞ …
Research Progress On The Extraction Of Plant Polyphenols, Fu-Lin Tian, Wen-Jing Huang, Zhan Wang, Xian-Kui Qin, Wang-Yang Shen, Qiao-Yu Cai
Research Progress On The Extraction Of Plant Polyphenols, Fu-Lin Tian, Wen-Jing Huang, Zhan Wang, Xian-Kui Qin, Wang-Yang Shen, Qiao-Yu Cai
Food and Machinery
In this review, the non-mentioned extraction methods of plant polyphenol in the existing research are summarized, including subcritical extraction, low eutectic extraction, and pressurized extraction, etc. The principles, advantages and disadvantages of different extraction methods are deeply analyzed. Moreover, the development direction of plant polyphenol extraction is prospected.