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Articles 751 - 780 of 4816
Full-Text Articles in Life Sciences
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 Determination Of Sulfites By Microextraction-Ion Chromatography In Red Wine, Wang Zhi-Hong, Lu Fei, Ni Yong-Fu, Cao Peng, Zhang Hong-Wei
Rapid Determination Of Sulfites By Microextraction-Ion Chromatography In Red Wine, Wang Zhi-Hong, Lu Fei, Ni Yong-Fu, Cao Peng, Zhang Hong-Wei
Food and Machinery
Objective: In view of the improvement of the national standard method of distillation pretreatment, combined with the advantages of ion chromatography, a rapid determination of sulfite by microextract-ion chromatography in red wine was established. Methods: Sulfur dioxide was released by microextraction device, which was absorbed by sodium hydroxide solution to form sulfite, and then oxidized to sulfate. The samples were then filtered by 0.45 μm filter and determined by ion chromatograph. Results: The concentration of sulfite ion in range of 1.0～50 mg/L showed a linear relationship with the peak area, with correlation coefficient of 0.999 9, and the detection limit …
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 …
Evaluation Of Uncertainty For The Determination Of Thiocyanate In Cheese By Inhibited Conductivity Ion Chromatography, Pan Can-Sheng, Zhang Zhi-Zhou, Xia Bing, Zhang Fei, Wu Ping, Wu Ling-Tao
Evaluation Of Uncertainty For The Determination Of Thiocyanate In Cheese By Inhibited Conductivity Ion Chromatography, Pan Can-Sheng, Zhang Zhi-Zhou, Xia Bing, Zhang Fei, Wu Ping, Wu Ling-Tao
Food and Machinery
Objective: To evaluate the uncertainty of the determination of thiocyanate in cheese by inhibition conductance ion chromatography. Methods: The content of thiocyanate in cheese was determined by inhibition conductance ion chromatography and a mathematical model was established. The source of uncertainty introduced in the process of the experiment was described, and the synthetic uncertainty was calculated for each uncertainty component. Results: The determination of thiocyanate was （10.2±0.56） mg/kg, k=2, p=95%. Conclusion: The uncertainty in the measurement process mainly comes from the concentration of thiocyanate in the test solution, followed by sample recovery and repeatability experiments.
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 …
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 …
Quality Change Of Prawn During Low-Frequency Electric Field Ice Temperature Storage, Yu Ming, Xu Li-Juan, Chen Hai-Qing, Liang Zuan-Hao, Chen Shan-Shan, Liang Feng-Xue, Ao Fei-Fei
Quality Change Of Prawn During Low-Frequency Electric Field Ice Temperature Storage, Yu Ming, Xu Li-Juan, Chen Hai-Qing, Liang Zuan-Hao, Chen Shan-Shan, Liang Feng-Xue, Ao Fei-Fei
Food and Machinery
Objective: This study aimed to explore the feasibility of low-frequency electric field assisted controlled freezing-point storage (CFPS) technology improving the quality of shrimp. Methods: Low-frequency electric field was applied on the basis of controlled freezing-point storage (LFEF+CFPS) to preserve prawns, and the contents of malondialdehyde and salt soluble protein, as well as the changes of Ca2+-ATPase activity, pH value, shear force, color difference and protein molecular weight of prawns were monitored. Results: Compared with the conventional CFPS, the LFEF+CFPS had no significant effect on the content of malondialdehyde, salt-soluble protein, pH, shear force and color of prawn meat. …
Packaging Design Of Tanyang Congou Black Tea Based On Geographical Indication Product Protection, Qiu Han-Zhou
Packaging Design Of Tanyang Congou Black Tea Based On Geographical Indication Product Protection, Qiu Han-Zhou
Food and Machinery
Taking the packaging design of Tanyang Gongfu Black Tea, a product protected by geographical indication, as the core content, the paper adopts the method of combining case study with data investigation to deeply interpret and refine the regional cultural characteristics of Tanyang Village, and further integrate the regional geographical and cultural factors of Tanyang Village into the design to enhance the added value and influence of the product.
Characteristics Of Freeze-Infrared Combined Drying Of Jujube Slices, Liu De-Cheng, Zheng Xia, Xiao Hong-Wei, Yao Xue-Dong, Shan Chun-Hui
Characteristics Of Freeze-Infrared Combined Drying Of Jujube Slices, Liu De-Cheng, Zheng Xia, Xiao Hong-Wei, Yao Xue-Dong, Shan Chun-Hui
Food and Machinery
Objective： Optimized the drying process of jujube slices and improved the product quality. Methods： Taking jujube slices as the research object, the correlation between conversion moisture content, infrared temperature and slice thickness and drying time and drying rate was studied, and the change rule of effective moisture diffusion coefficient of jujube slices in FD-IRD with conversion moisture content, infrared temperature and slice thickness was calculated, and the drying activation energy of jujube slices in FD-IRD was calculated according to the test data. Results： The lower the conversion moisture content is, the shorter the infrared drying time was. But the lower …
Effects Of Aqueous Extracts From Ficus Pumila On Pulmonary Dysfunction And Inflammation In Rats With Chronic Obstructive Pulmonary Disease, Yao Mei-Xiang, Wang Cheng-Yuan, Xie Jian-Hua, Zhu Xiao-Juan, Zhou Ming, Nie Shao-Ping, Zhong Hong-Guang
Effects Of Aqueous Extracts From Ficus Pumila On Pulmonary Dysfunction And Inflammation In Rats With Chronic Obstructive Pulmonary Disease, Yao Mei-Xiang, Wang Cheng-Yuan, Xie Jian-Hua, Zhu Xiao-Juan, Zhou Ming, Nie Shao-Ping, Zhong Hong-Guang
Food and Machinery
Objective: The preventive and therapeutic effects of the aqueous extract of Ficus pumila on COPD model rats were observed and its mechanism was also discussed. Methods: COPD model was established by intratracheal injection of lipopolysaccharide and smoking. Using the pulmonary function test, the level of related inflammatory factors detection in the BALF by ELISA, the blood gas analysis and HE staining for lung pathological observation. Results: The results showed that the indexes of the model rats were consistent with the pathological characteristic of COPD. The model group animals had obvious airflow obstruction, while the high dose of F. pumila aqueous …
Optimization On Extraction Of Cherry Seed Oil By Aqueous Enzymatic Method And Analysis Of Its Physical-Chemical Properties, He Lin-Feng, Wang Jing, Li Li-Qin, Xiao Di, Li Shang-Ze, Hu Yu
Optimization On Extraction Of Cherry Seed Oil By Aqueous Enzymatic Method And Analysis Of Its Physical-Chemical Properties, He Lin-Feng, Wang Jing, Li Li-Qin, Xiao Di, Li Shang-Ze, Hu Yu
Food and Machinery
Objective: To improve the availability of cherry seed, cherry seed oil was extracted by the aqueous enzymatic method. Methods: the ratio of mixed enzymes was optimized by mixture design on the basis of single factor experiment. The basic indexes of oil such as fatty acid composition and physical and chemical properties were detected. Results: the optimum extraction conditions were a 2.0% addition of mixed enzyme comprising cellulase, pectinase and acid protease （0.67∶0.10∶0.23）, liquid to material ratio of 10∶1 (mL/g), enzymolysis temperature of 45 ℃, pH of 4.0 and time of 4.0 h. The recovery of oil was 93.18% and the …
Study On The Processing For Mackerel-Yam Fish-Chips, Lu Xue-Ning, Chen Huai-Yu, Guo Feng-Xian, Zheng Zong-Ping
Study On The Processing For Mackerel-Yam Fish-Chips, Lu Xue-Ning, Chen Huai-Yu, Guo Feng-Xian, Zheng Zong-Ping
Food and Machinery
Objective: This study aimed to solve the problem of the low utilization rate of mackerel and the single taste of fish chips. Methods: The specific volume, crispness, hardness, color, fat and acrylamide content of mackerel-yam fish chips made by frozen mackerel, starch and yam powder were determined to study the effects of different aging time, frying time, frying temperature and amount of yam powder on the quality of fish-chips. Results: With the extension of the aging time, the specific volume of the fish-chips gradually increased, when the aging time was 48 h, the specific volume reached 4.14 mL/g, and the …
Optimization Of The Infrared Drying Process For Ultrasonic Pretreatment Of Hami-Melon Slices, Li Yi-Can, Zheng Xia, Yao Xue-Dong, Yang Tao-Qing, Zhang Ji-Kai
Optimization Of The Infrared Drying Process For Ultrasonic Pretreatment Of Hami-Melon Slices, Li Yi-Can, Zheng Xia, Yao Xue-Dong, Yang Tao-Qing, Zhang Ji-Kai
Food and Machinery
Objective: This study aimed to the optimize infrared drying process of Hami-melon slices and improve quality and efficiency. Methods: Using ultrasonic treatment as a pretreatment method, the effects of drying temperature, slice thickness and ultrasonic treatment time on drying time, color difference value and vitamin C content were studied, and the drying time, quality and microstructure of the products were compared with those without ultrasonic treatment. Results: The optimal process parameters of ultrasonic pretreatment for infrared drying of Hami-melon slices were drying temperature 61 ℃, slice thickness 6 mm and ultrasonic treatment time 15 min. Under the control of these …
Research Status And Prospect Of Pretreatment Equipment And Technology For Freshwater Fish, Chen Lang, Wu Wen-Jin, Chen Sheng, Shi Liu, Guo Xiao-Jia, Wang Lan
Research Status And Prospect Of Pretreatment Equipment And Technology For Freshwater Fish, Chen Lang, Wu Wen-Jin, Chen Sheng, Shi Liu, Guo Xiao-Jia, Wang Lan
Food and Machinery
The current situation of the development of freshwater fish pretreatment processing industry and development level of freshwater fish pretreatment equipment were briefly described in this manuscript. The development history of mechanical for freshwater fish pretreatment was reviewed. Based on the processing technology of freshwater fish, combining the processing needs of different freshwater fish and freshwater fish products, the main structure composition form and operation mode of existing freshwater fish pretreatment was summarized. The current cutting-edge technology of existing visual recognition and automatic monitoring practical applications in domestic and foreign were included. The research direction combined with China's national conditions of …
Research Progress On The Effect Of Different Improvers On The Quality Of Frozen Dough, Xin Chen, Zhou Rui-Li, Gong Fang-Yuan
Research Progress On The Effect Of Different Improvers On The Quality Of Frozen Dough, Xin Chen, Zhou Rui-Li, Gong Fang-Yuan
Food and Machinery
Frozen dough is widely used in the food industry. But there are several problems arising such as: the deterioration of dough and the reduction of fermentation activity properties during frozen storage. Frozen dough improvers are important way to solve these problems. Currently, the commonly used improvers are polysaccharides, emulsifiers, proteins and others. This paper summarizes the main problems and influencing factors in the application of frozen dough, and the mechanism and application of different improvers on the quality of frozen dough were reviewed. The paper also prospects the research and development trend of improvers.
Research Progress On Degradation Of Aflatoxin B1 By Microbial Method According To Toxicity Sites Of Aflatoxin B1, Lian Sheng-Qing, Qian Xin, Liu Chu-Cen, Li Liang-Yi, Sun Chang-Po, Zhou Wen-Hua
Research Progress On Degradation Of Aflatoxin B1 By Microbial Method According To Toxicity Sites Of Aflatoxin B1, Lian Sheng-Qing, Qian Xin, Liu Chu-Cen, Li Liang-Yi, Sun Chang-Po, Zhou Wen-Hua
Food and Machinery
The toxicity sites and toxicity mechanism of aflatoxin B1（AFB1） were explored in this study, and aiming at the toxicity sites of AFB1, the advantages of microbial degradation of AFB1 were compared. Then the degradation mechanism of AFB1 by detoxifying enzyme method in microbial method was reviewed. Moreover, the composite application of detoxification enzyme method combined with other methods is prospected.
Progress In The Application Of Nano-Antibody In The Detection Of Small Molecular Contaminants In Food, Jin Ping, Ding Hong-Liu, Jin Xiao-Hong, Shen Qi-Liang, Fan Chun-Yan
Progress In The Application Of Nano-Antibody In The Detection Of Small Molecular Contaminants In Food, Jin Ping, Ding Hong-Liu, Jin Xiao-Hong, Shen Qi-Liang, Fan Chun-Yan
Food and Machinery
The structure and characteristics of nano-antibody and their applications in the detection of mycotoxins, pesticide and veterinary drug residues, small molecule toxic substances and other small molecule pollutants were introduced, and the development direction of nano-antibody in biological detection technology and diagnosis research was prospected.
Preparation Of Antioxidant Hydrolysate Of Agaricus Blazei Murill, Chen Zhuo-Juan, Ke Xiu-Xian, Huang Xiao
Preparation Of Antioxidant Hydrolysate Of Agaricus Blazei Murill, Chen Zhuo-Juan, Ke Xiu-Xian, Huang Xiao
Food and Machinery
Objective: This study aimed to investigate the technological conditions for the preparation of antioxidant hydrolysate of Agaricus blazei Murill and analyze the nutritional components of the hydrolysate. Methods: Papain, cellulase and pectinase were prepared in mpapain∶mcellulase∶mpectinase ratio of 3∶4∶4 to dissolve the fruiting bodies of A. blazei. Response surface test was used to optimize the enzymatic hydrolysis process of A. blazei. Results: The optimal conditions of compound enzyme hydrolysis were as follows: compound enzyme dosage 0.5%, pH 6.2, hydrolysis temperature 49 ℃, hydrolysis time 147 min. Under these conditions, when the concentration of A. blazei …
Design And Experiment Of Multi-Station Automatic Powder Loading System Based On Fuzzy Control, Mou Xiang-Wei, Nan Xiang-Gang, Yu Xin-Ye, Chen Lin-Tao
Design And Experiment Of Multi-Station Automatic Powder Loading System Based On Fuzzy Control, Mou Xiang-Wei, Nan Xiang-Gang, Yu Xin-Ye, Chen Lin-Tao
Food and Machinery
Objective: In view of the technical problems such as low efficiency and difficult automatic control of the automatic powder production line for factory rice noodle production. Methods: This research proposed a multi-station automatic powder loading system based on fuzzy control, selecting the deviation E1 between the detected value of the powder height and the preset value, the deviation change rate EC1 and the deviation between the current position of the powder loading car and the position to be loaded. The absolute value E2 was used as the input variable, and the motor speed U1 and the …
Simulation Study Of Factors Influencing Oil Yield During Cold Pressing Of Rapeseed, Huang Tao, Song Shao-Yun, Zhang Heng, Yin Fang
Simulation Study Of Factors Influencing Oil Yield During Cold Pressing Of Rapeseed, Huang Tao, Song Shao-Yun, Zhang Heng, Yin Fang
Food and Machinery
Objective: This study aimed to investigate the factors influencing the oil yield of rapeseed during pressing in a double screw oil press. Methods: To simulate the pressing process of rapeseed and to explore the effects of two factors, the speed of the press screw and the porosity, on the oil yield. Results: The oil yield of rapeseed was linearly related to the porosity, and a larger porosity, was associated with a lower oil yield. Moreover, the oil yield was negatively related to the speed of the press screw. Conclusion: The oil yield of rapeseed was highest when the porosity was …
Design Of Real-Time Detecting System For Grain Moisture In Dryer, Hu Yong, Jiang Yong-Cheng
Design Of Real-Time Detecting System For Grain Moisture In Dryer, Hu Yong, Jiang Yong-Cheng
Food and Machinery
Objective: To reduce grain mildew caused by high water content in storage. Methods: The function model of water content and detection frequency is determined by data measurement in multiple sites. A real-time monitoring system of grain moisture value in the dryer was designed based on STM32 microcontroller. Through the design of parallel plate sensor to detect the change value of capacitance of grain with different moisture content, through the hardware circuit to convert the capacitance value into frequency value. Through the single-chip microcomputer calculation can get the real-time moisture content of grain inside the dryer, and then through RS485 communication …
Finite Element Analysis Of Box Grid Magnetic Iron-Separator And Its Application In Milk Powder Production, Cheng Jian-Bo, Chen Bao-Ku, Li Hui, Guo Lin, Wang Yan, Sun Li-Rui
Finite Element Analysis Of Box Grid Magnetic Iron-Separator And Its Application In Milk Powder Production, Cheng Jian-Bo, Chen Bao-Ku, Li Hui, Guo Lin, Wang Yan, Sun Li-Rui
Food and Machinery
Objective: The optimal design scheme of box grid magnetic iron-separator in milk powder production process was explored. Methods: In this study, the working principle of the box grid magnetic iron-separator was explored by using the finite element simulation analysis method under real production conditions in a fully simulated milk powder plant. Through the single factor test, the effects of material drop height, the type of metal foreign matter, the field strength, and the net distance of the magnetic bar on the effective interception rate of the box grid magnetic iron-separator were explored, and the design solution was optimized by using …
Anti-Inflammatory Activity Of Cili Extracts And Its Therapeutic Effect On Ulcerative Colitis Model Of Mice, Wang Li, Li Li-Lang, Li Qi-Ji, Wang Yu, Yang Xiao-Sheng
Anti-Inflammatory Activity Of Cili Extracts And Its Therapeutic Effect On Ulcerative Colitis Model Of Mice, Wang Li, Li Li-Lang, Li Qi-Ji, Wang Yu, Yang Xiao-Sheng
Food and Machinery
Objective: This study aimed to investigate the effect of Cili extracts in the treatment of enteritis and diarrhea. Methods: The RAW 264.7 cells were treated with different concentrations (1.25, 2.50, 5.00, 10.00, 20.00 μg/mL) of Cili extracts, and then the cell viability was determined by MTT method. RAW264.7 cells were treated with different concentrations of Cili extracts, and then lipopolysaccharide (LPS) was used to induce the cell inflammation model. The content of NO in cell culture supernatant was detected by Griess method. The UC mice model was induced by 3% DSS. The changes of signs during the modeling and drug …
Effect Of Aqueous Extract With Areca Catechu Pedicle On Mycelial Quality And Antioxidant Activity Of Three Edible Fungi, Bao Yi-Hong, Lai Zhang-Fei, Ma Yin-Peng, Jia Yu-Tong, Pan Fei-Bing, Kuang Feng-Jiao
Effect Of Aqueous Extract With Areca Catechu Pedicle On Mycelial Quality And Antioxidant Activity Of Three Edible Fungi, Bao Yi-Hong, Lai Zhang-Fei, Ma Yin-Peng, Jia Yu-Tong, Pan Fei-Bing, Kuang Feng-Jiao
Food and Machinery
Objective: In order to reuse the Areca catechu by-product—A. catechu pedicle, and improve the quality of mycelium of edible fungi, the effect of the pedicle aqueous extract on the liquid fermentation of edible fungi was investigated. Methods: Pleurotus ostreatus, Pleurotus citrinopileatus Singer, and Flammulina velutiper were selected as the test strains, and the effects of the addition of A. catechu pedicle aqueous extract on the quality of mycelium and the activity of enzymes related to the growth and metabolism of the three strains were investigated, by using mycelial growth rate, biomass, mycelial active ingredients and antioxidant activity as indicators. Results: …
The Nutritional Components And Health Benefits Of Zizania Latifolia, Feng Xiao-Lan
The Nutritional Components And Health Benefits Of Zizania Latifolia, Feng Xiao-Lan
Food and Machinery
This review summarized the domestic and abroad research progress of Zizania latifolia in recent years, from the aspects of its nutritional components, health effects, bioactive mechanisms and future research priorities. Moreover, the further research, development and comprehensive utilization of Z. latifolia were also prospected.
Effects Of Soaking And Gelatinization Process On The Quality Of Semi-Dry Rice Noodles, Zhou Yong-Sheng, Li You, Zhao Hai-Yan, Long Yong-Yi, Jiang Cai-Yun, Cai Ji-Xiang
Effects Of Soaking And Gelatinization Process On The Quality Of Semi-Dry Rice Noodles, Zhou Yong-Sheng, Li You, Zhao Hai-Yan, Long Yong-Yi, Jiang Cai-Yun, Cai Ji-Xiang
Food and Machinery
Objective: The main objective of this study was to optimize the soaking and gelatinization process of semi-dry rice noodles. Methods: Taking semi-dry rice noodles as the research object, the effects of soaking temperature, soaking time, gelatinization temperature, gelatinization time and water addition amount on the cooking loss rate and texture characteristics were analyzed, and the better soaking process and gelatinization process were obtained. Results: Soaking temperature 40 ℃, soaking time 2 h, gelatinization temperature 90 ℃, gelatinization time 8 min, water addition 70% were the best process conditions. The semi-dry rice noodles prepared under the optimal process has better cooking …
Reproducibility Evaluation Of Soybean Oligopeptides Based On Peptidomic Analyses, Yu Xiao-Yi, Xu Ju-Cai, Wu Ying, Liu Wan-Shun, Guo Dan, Li Xiao-Min
Reproducibility Evaluation Of Soybean Oligopeptides Based On Peptidomic Analyses, Yu Xiao-Yi, Xu Ju-Cai, Wu Ying, Liu Wan-Shun, Guo Dan, Li Xiao-Min
Food and Machinery
Objective: This study aimed to analyze the peptide composition and evaluate the reproducibility of the soybean oligopeptides. Methods: High performance liquid chromatography tandem high resolution mass spectrometry was employed for peptidomic analysis of the soybean oligopeptides prepared at the same condition at different batches. Generality and individuality of the samples were also discussed based on the heat map analysis and principal component analysis （PCA）. Results: About 1 000 peptides were identified from each of the materials and most of them were short peptides. From the set analysis, 101 peptides were found of detectability from all samples, but there were also …