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Articles 211 - 240 of 483
Full-Text Articles in Food Biotechnology
Correlation Between The Preparation Technology Of The Maillard Reaction Intermediates Derived From Vegetable Peptides And The Smoking Quality And Style Of Its Flavoring Cigarettes, Lei Sheng, Cui He-Ping, Yang Qian-Xu, Wang Kai, Liu Zhi-Hua, Duan Yan-Qing, Wang Jin, Zhang Xiao-Ming
Correlation Between The Preparation Technology Of The Maillard Reaction Intermediates Derived From Vegetable Peptides And The Smoking Quality And Style Of Its Flavoring Cigarettes, Lei Sheng, Cui He-Ping, Yang Qian-Xu, Wang Kai, Liu Zhi-Hua, Duan Yan-Qing, Wang Jin, Zhang Xiao-Ming
Food and Machinery
Objective： Maillard reaction intermediates were prepared from the enzymatical hydrolysates of vegetable proteins. Then they were added to cigarettes to improve the smoking quality and enhance the aroma style of cigarettes. Methods: the vegetable protein such as corn protein, sunflower seed protein, wheat gluten protein and soybean protein were hydrolyzed by alkaline protease and flavourase under different conditions. The enzymatic hydrolysates were mixed with reducing sugar at a ratio of mhydrolysates∶msugar=100∶15. The formation conditions of the peptide-derived Maillard intermediates were determined through the Maillard reaction performed under the stepwise increase of temperature. The intermediates prepared under …
Determination Of 9 Kinds Of Fatty Acids In Vegetable Oil By Hplc-Elsd, Niu Qian-Qian, Xu Xin, Zeng Xue-Ying, Zhong Hai-Yan, Xu You-Zhi
Determination Of 9 Kinds Of Fatty Acids In Vegetable Oil By Hplc-Elsd, Niu Qian-Qian, Xu Xin, Zeng Xue-Ying, Zhong Hai-Yan, Xu You-Zhi
Food and Machinery
Objective： Due to the blackness of sensitivity, selectivity and fatty acid quantification of traditional methods, a new method for determining fatty acids in vegetable oils without derivation was developed. Methods: The content and types of fatty acids in vegetable oil were analyzed more accurately by high-performance liquid chromatography combined with evaporative light scattering detector, CNW C18-WP column (4.6 mm×250 mm, 5 μm) was used. Mobile phase A was 0.1% formic acid aqueous solution, and mobile phase B was 0.1% formic acid methanol solution, using gradient elution at the flow rate of 1.0 mL/min; the temperature of the …
Simultaneous Determination Of Rodenticide Residues In Meat By Liquid Chromatography-Tandem Mass Spectrometry, Zhong Fei-Fei, Xu Wen-Yang, Yang Yun, Xie Fang-Yun, Song Yang, Huang Yan
Simultaneous Determination Of Rodenticide Residues In Meat By Liquid Chromatography-Tandem Mass Spectrometry, Zhong Fei-Fei, Xu Wen-Yang, Yang Yun, Xie Fang-Yun, Song Yang, Huang Yan
Food and Machinery
Objective: To establish a LC/MS-MS method for simultaneous determination of 11 rodenticides in meat. Methods: The sample was extracted with acetonitrile, QuEChERs extraction salt packet was used for purification, and liquid chromatography-mass spectrometry for qualitative and quantitative analysis of 11 rodenticide residues in meat. In this method, 0.05 mol/L ammonium acetate aqueous solution and methanol was adopted as mobile phase elution, with positive ion mode scanning for electrospray ionization. The external standard method was adopted for quantitative analysis. Results: The standard solution showed a linear relationship in the range of 0.2~100.0 μg/L, and the correlation coefficient was greater than 0.99 …
Determination Of 19 Antidepressants In Health Food By High-Performance Liquid Chromatography-Time-Of-Flight Mass Spectrometry, Liu Jie, Zhu Xiao-Ling, Peng Qing-Zhi, Zhou Tao-Hong, Gong Lei, Wu Wan-Qing
Determination Of 19 Antidepressants In Health Food By High-Performance Liquid Chromatography-Time-Of-Flight Mass Spectrometry, Liu Jie, Zhu Xiao-Ling, Peng Qing-Zhi, Zhou Tao-Hong, Gong Lei, Wu Wan-Qing
Food and Machinery
Objective: To establish a rapid qualitative and quantitative analysis method, HPLC-quadrupole-time-of-flight mass spectrometry was used to determine the illegal addition of 19 antidepressants in healthy food. Methods: The samples were extracted by methanol with ultrasonic extraction procedure and then separated on a reversed-phase C18 column, with acetonitrile and 0.1% formic acid aqueous as the mobile phases in gradient elution mode. The target compounds were detected in electrospray positive ion, and the data were matched with the established database of precursor ion and secondary fragment accurate mass. Results: The linear range of the 19 compounds was 5~100 μg/L, and the …
Uncertainty Evaluation For The Determination Of 4 Kinds Of Sulfonamides Residues In Pork By Lc-Ms/Ms, Yan Shun-Hua, Wang Ya-Li, Xia-Yi-La· Ai-Ni
Uncertainty Evaluation For The Determination Of 4 Kinds Of Sulfonamides Residues In Pork By Lc-Ms/Ms, Yan Shun-Hua, Wang Ya-Li, Xia-Yi-La· Ai-Ni
Food and Machinery
Objective: The uncertainty in determination of sulfamonomethoxine（SMM）, sulfadimethoxine（SDM）, sulfamethoxazole（SMZ） and sulfamethazine（SM2） in pork was evaluated by using LC-MS/MS techniqne. Methods: The uncertainty caused by various factors in the whole process of determination was analyzed, including weighing, solution preparation, sample extraction and purification, apparatus measure，recovery，etc. Results: The expand uncertainties for SMM, SDM, SMZ and SM2 were 9.4, 18.1, 12.0 and 15.6 μg/kg, respectively. Conclusion: The results showed that the main sources of uncertainty arouse from the measurement repeatability, standard solution and curve fitting.
Synthesis Of Artificial Antigen And Elisa Identification Of Mouse Polyclonal Antiserum Against Clonidine Hydrochloride, Wang Yao, Cao Jin-Bo, Li Tie-Mei, Pang Xing-Hao, Hu Xiao-Fei
Synthesis Of Artificial Antigen And Elisa Identification Of Mouse Polyclonal Antiserum Against Clonidine Hydrochloride, Wang Yao, Cao Jin-Bo, Li Tie-Mei, Pang Xing-Hao, Hu Xiao-Fei
Food and Machinery
Objective: The aim of this study was to obtain highly sensitive and specific mouse polyclonal antiserum of Clonidine hydrochloride (CLO). Methods: Apraclonidine (ACLO), a derivative of CLO, was acted as hapten of clonidine (CLO) to synthesize immune antigen CLO-BSA and envelope antigen CLO-OVA by glutaraldehyde (GA). The coupling effect was identified by ultraviolet scanning and polyacrylamide gel electrophoresis. Then, BALB/c mice were immunized and their immunological characteristics were identified by indirect ELISA and indirect competitive ELISA. Results: The titer of polyclonal antiserum of all mice were higher than 1∶12 800, and the polyclonal antiserum of No.3 mouse has the best …
Risk Analysis Of The Acrylamide Contamination In Food, Huang Yan, Song Sheng, Xu Wen-Yang, Li Can
Risk Analysis Of The Acrylamide Contamination In Food, Huang Yan, Song Sheng, Xu Wen-Yang, Li Can
Food and Machinery
Objective： The acrylamide contamination in various foods was investigated to help to control the potential food safety risks. Methods: the laboratory targeted collection of 610 food samples that may be contaminated by acrylamide, involving 8 types of food such as cakes, biscuits, potato foods, puffed foods, etc., which are inspected in accordance with "Determination of Acrylamide in Foods of National Food Safety Standards" GB 5009.204—2014. Results: Acrylamide was detected in 73 samples, and the detection rate reached 12.0%. Among them, potato foods, biscuits, cakes and other foods had different degrees of acrylamide contamination, while the acrylamide contamination in potato chips …
Control Technology Of High Speed Food Sorting Robot Based On Closed Loop And Feedforward Control, Liu Zhen-Yu, Xue Yu-Qiang, Xie Zu-Qiang
Control Technology Of High Speed Food Sorting Robot Based On Closed Loop And Feedforward Control, Liu Zhen-Yu, Xue Yu-Qiang, Xie Zu-Qiang
Food and Machinery
Objective: in view of the current situation that the food sorting robot has higher and higher requirements for speed and precision. Methods: Based on the system architecture of high-speed parallel food sorting robot, a control method of high-speed parallel food sorting robot is proposed, which combines the traditional closed-loop control of kinematics with the feedforward control of torque; Based on the original genetic algorithm tuning PID control parameters, the torque feedforward control method is introduced for dynamic control; The dynamic tracking accuracy and joint torque of the system are compared and analyzed, and the superiority of the control method is …
Design And Experiment Of Penaeus Vannamei Freezing Point And Low Temperature Heat Pump Drying Control System Based On Fuzzy Control, Wang Guo-Jie, Mu Gang, Huo Jin, Zhang Qian, Zhang Guo-Chen
Design And Experiment Of Penaeus Vannamei Freezing Point And Low Temperature Heat Pump Drying Control System Based On Fuzzy Control, Wang Guo-Jie, Mu Gang, Huo Jin, Zhang Qian, Zhang Guo-Chen
Food and Machinery
Objective: In order to meet the refined requirements of temperature during the drying process of Penaeus vannamei freezing point and low temperature heat pump. Methods: A heat pump drying control system based on Siemens S7-300 PLC was designed. The system adopted a fuzzy control strategy. And a fuzzy controller with “two-dimensional input and one-dimensional output” was designed using the fuzzy logic toolbox of Matlab. According to the drying process of prawns, a data collection program and an execution program were designed to control the temperature of the drying oven. And the drying process was monitored and managed through the human-machine …
Changes Of Perceptions On Food Packaging Design Caused By Generational Variation, Pan Hu
Changes Of Perceptions On Food Packaging Design Caused By Generational Variation, Pan Hu
Food and Machinery
To echo with that, packaging design of food must arm itself with updated understandings on new happenings, such as fine-sorted scenes of consumption and afterwards experience, unexpected fun and amusement brought by package itself, more confidence in national culture, stronger attribute of social contact and more attention to sustainable development.
Research On Food Packaging Design Strategy From The Perspective Of Internet Marketing, Lu Jie
Research On Food Packaging Design Strategy From The Perspective Of Internet Marketing, Lu Jie
Food and Machinery
Based on the analysis of online marketing, product packaging design needs to deal with a series of characteristics such as inaccessibility, inability to open, a short stay in the line of sight of consumers, and violent transportation in a virtual marketing environment, straightforward expression, and traditional symbol application are proposed. Interesting, Serialization, Interactive, Emotionalization and Safety, and other product packaging design strategies will provide designers with an idea for product packaging design in response to the network marketing environment.
The Misunderstanding Of The Application Of The Secondary Meta Culture In The Design Of Food Packaging And Its Localization Strategy, Yang Lin
Food and Machinery
Through animation images in food packaging design, the secondary meta culture has experienced a long development period in China. However, in practice, there are a series of misunderstandings in food packaging design that are not conducive to market competitiveness. These misunderstandings mainly include blindly taking doctrine, serious homogenization, and the lack of understanding of aesthetic changes of audiences in different times. Therefore, it is necessary to solve these problems by realizing traditional cultural character image animation innovation, local animation image innovation for market segments, and personalized local animation design innovation based on general aesthetics. This will help realize the localization …
Effect Of Combined Drum Catalytic Infrared With Holding Treatment For Disinfection And Quality Of Rewetting-Dried Shiitake Mushrooms, Li Ting, Qu Wen-Juan, Wu Ben-Gang, Wang Bei, Ma Hai-Le, Pan Zhong-Li, Jiang Qun-Hui
Effect Of Combined Drum Catalytic Infrared With Holding Treatment For Disinfection And Quality Of Rewetting-Dried Shiitake Mushrooms, Li Ting, Qu Wen-Juan, Wu Ben-Gang, Wang Bei, Ma Hai-Le, Pan Zhong-Li, Jiang Qun-Hui
Food and Machinery
Objective: The aim of this work is to improve the food safety of rewetting-dried shiitake mushrooms. Methods: The drum catalytic infrared device was used to carry out the infrared combined holding treatment disinfection test on rewetting-dried shiitake mushrooms with excessive Aspergillus niger （A. niger）, and the effect of process parameters on disinfection effectiveness, drying effectiveness and quality of mushrooms were investigated. Moreover, the kinetics of the microbial inactivation process was analyzed. Results: The results showed that after disinfected with DCIR at 60～80 ℃ for 8.7～21.2 min，followed by holding for 20～80 min, the total number of moulds on mushrooms with IMCs …
Study On The Process Of Superheated Steam Stabilization Of Wheat Germs, Zhang Nan, Ge Xin-Hui, Shi Lin, Cheng Yong-Qiang, Zhang Xiu-Qing
Study On The Process Of Superheated Steam Stabilization Of Wheat Germs, Zhang Nan, Ge Xin-Hui, Shi Lin, Cheng Yong-Qiang, Zhang Xiu-Qing
Food and Machinery
Objective： To improve the stability of wheat germs and prolong its storage period. Methods: The process conditions of superheated steam were optimized. During storage, the effects of superheated steam treatment on wheat germs color, lipase activity, and free fatty acid content during storage were analyzed. Results: The optimal conditions of superheated steam on wheat germs were 220 ℃ at Steam mode for 30 s. The superheated steam treatment could deactivate 82.74% lipase and 87.03% lipoxygenase. The 28-day accelerated storage experiment showed that the fatty acid content increase in wheat germs decreased by 47.86% compared with the control group. Conclusion: Superheated …
Effect Of Variable Temperature Drying On The Quality Of Black Tea, Xiang Xi, Li Shi, Xu Yang-Yang, Xiao Wen-Jun, Gong Zhi-Hua
Effect Of Variable Temperature Drying On The Quality Of Black Tea, Xiang Xi, Li Shi, Xu Yang-Yang, Xiao Wen-Jun, Gong Zhi-Hua
Food and Machinery
Objective: In order to investigate the effects of variable temperature treatment on the quality of black tea in the drying process and provide the reference for the machining of the high quality of black tea, the fresh leaves with one bud and two leaves, which were withered. Methods: curled and fermented at the same level, belonging to the breed of “Bixiangzao” were picked as raw materials; the initial drying, the re-drying and the combinations in the process of drying were treated with different temperature and different periods of time. Results: Through the sensory evaluation of tea samples, the analysis of …
Effect Of The Treatment Of 1-Mcp Combined With 60Co-Γ Irradiation On The Storage Of Plum Fruit, Luo Dong-Lan, Cao Sen, Ma Chao, Wang Rui, Ba Liang-Jie
Effect Of The Treatment Of 1-Mcp Combined With 60Co-Γ Irradiation On The Storage Of Plum Fruit, Luo Dong-Lan, Cao Sen, Ma Chao, Wang Rui, Ba Liang-Jie
Food and Machinery
Objective: The effect of 1-MCP and 60Co-γ irradiation on the quality of plum during postharvest storage was investigated. Methods: In this study, the plum was treated with 1.5 kGy 60Co-γ irradiation，and then was fumigated with 1 μL/L 1-MCP. The rot ratio, water loss ratio, malondialdehyde content, relative conductivity, total soluble solids content, titratable acid content, VC content, CAT and POD, and SOD of activity were to reveal the effect were measured. Results: The results showed that 1-MCP combined with 60Co-γ irradiation treatment could effectively inhibit rot and water loss ratios and maintain hardness, total soluble solids, …
Anti-Fatigue Effect Of The Polysaccharide From Auricularia Cornea, Ren Guang-Quan, Xu Zhi-Ling-Yun, Liu Jin-Qiu, Xu Chun-Yu-Hang, Xia Ning
Anti-Fatigue Effect Of The Polysaccharide From Auricularia Cornea, Ren Guang-Quan, Xu Zhi-Ling-Yun, Liu Jin-Qiu, Xu Chun-Yu-Hang, Xia Ning
Food and Machinery
Objective:Auricularia cornea was used as raw material to explore the anti-fatigue effect in this study. Methods: Auricularia cornea is a new member of Auricularia polytricha. Male KM mice were used to explore the anti-fatigue effect of polysaccharides from Auricularia cornea (AP). Results: AP has no significant impact on body weight. The biochemical analysis found that glycogen contents in the liver and muscle were significantly enhanced (P＜0.05) after swimming for 30 minutes. The accumulation of BLA and BUN in the serum was inhibited; the level of free radical was decreased, and the contents of SOD and GSH-Px were increased (P＜0.05). Furthermore, …
Hypoglycemic Effect Of Compound Almond Powder On Rats With Glucose And Lipid Metabolism Disorder, Sheng Qing-Hai, He Shuang-Ning, An Yan-Jun, He Ying, Pan Li-Na, Wang Jia-Qi
Hypoglycemic Effect Of Compound Almond Powder On Rats With Glucose And Lipid Metabolism Disorder, Sheng Qing-Hai, He Shuang-Ning, An Yan-Jun, He Ying, Pan Li-Na, Wang Jia-Qi
Food and Machinery
Objective： To evaluate the hypoglycemic effect of compound almond powder on glucose and lipid metabolism disorder rats. Methods: High-fat diet and dexamethasone were used to establish an insulin resistance rat model of glucose and lipid metabolism disorder. Regular diet was used as a negative control, and metformin was used as a positive control. Fasting blood glucose, serum insulin, blood glucose and area under blood glucose curve after half an hour of glucose loading were measured, and blood lipid data were measured. Results: the fasting blood glucose of normal rats was not affected by compound almond powder (P＞0.05); After successful modeling, …
Study On Optimization Of Microwave Assisted Extraction Of Capsaicin By Water Oil Mixture And Its Application, Que Xiao-Feng, Fang Zhi-Cheng, Yu Yan, Si Wen-Hui, Xie En-Yao
Study On Optimization Of Microwave Assisted Extraction Of Capsaicin By Water Oil Mixture And Its Application, Que Xiao-Feng, Fang Zhi-Cheng, Yu Yan, Si Wen-Hui, Xie En-Yao
Food and Machinery
Objective: Optimized the technology of capsaicin extraction from dried capsicum and studied the processing application in food. Methods: The dry pepper was pretreated by high-pressure water oil mixed phase extraction technology, which was used to extract capsaicin with microwave-assisted solvent method, and explore the application in food processing. Results: the pretreatment conditions were as follows: 20% moisture content of dry pepper powder, 150 ℃ temperature and 300 r/min rotating speed. Then microwave-assisted process conditions were as follows: the pretreated chili powder was pretreated for 120 s under the microwave power of 600 W, then 65% ethanol was added as the …
Study On The Α-Glucosidase Inhibition Of The Dark Blue Pigment From The Leaves Of Vaccinium Bracteatum Thunb., Bao Zheng-Yu, Fan Ming-Cong, Li Yan, Qian Hai-Feng, Zhang Hui, Qi Xi-Guang, Wang Li
Study On The Α-Glucosidase Inhibition Of The Dark Blue Pigment From The Leaves Of Vaccinium Bracteatum Thunb., Bao Zheng-Yu, Fan Ming-Cong, Li Yan, Qian Hai-Feng, Zhang Hui, Qi Xi-Guang, Wang Li
Food and Machinery
Objective: The α-glucosidase inhibition （α-GI） activity of dark blue pigment from the leaves of Vaccinium bracteatum Thunb. （VBTL） was investigated to confirm the benefits of regulation of postprandial blood sugar. Methods: The dark blue pigment prepared by purified iridoid compounds and exogenous amino compound was used to study the inhibition effect and the inhibition kinetic by Lineweaver-Burk reciprocal curve method. Fluorescence emission spectrum was used to analyze the interaction between the pigment and α-glucosidase. Results: The VBTL dark blue pigment had higher inhibitory effect on α-glucosidase. The α-GI activity increased with the increasing concentration of dark blue pigment and the …
Effect Of Simulated Gastrointestinal Digestion In Vitro On The Antioxidant Activity Of Semen Ziziphi Spinosae Protein Hydrolysates, Han Rong-Xin, Zhang Hong-Yin, Zhou Guang-Xin, Wang Hai-Dong, Xiao Feng-Qin, Li Guang-Zhe, Yan Ming-Ming
Effect Of Simulated Gastrointestinal Digestion In Vitro On The Antioxidant Activity Of Semen Ziziphi Spinosae Protein Hydrolysates, Han Rong-Xin, Zhang Hong-Yin, Zhou Guang-Xin, Wang Hai-Dong, Xiao Feng-Qin, Li Guang-Zhe, Yan Ming-Ming
Food and Machinery
Objective: In this study, semen ziziphi spinosae protein hydrolysates （SZPHs） with good antioxidant activity were used as the research object. Methods: By simulating gastrointestinal digestion in vitro, the semen ziziphi spinosae protein hydrolysates gastrointensive digest （SZPHs-GD） was obtained. The amino acid composition and antioxidant activity of SZPHs before and after digestion were analyzed in order to explore the effect of internal environment on the structure and activity of SZPHs. Results: The results showed that after simulated digestion in vitro, the content of hydrophobic amino acids in SZPHs-GD decreased by 1.51%, the content of hydrophilic amino acids and negatively charged amino …
Determination Of Lignans In Qinghai Flaxseed And Its Antioxidant Activity, Chen Yun-Yun, Wang Jin-Ying, Wang Xing-Rui, Han Yu-Ze, Li Ying-Xia, Wang Shu-Zhen
Determination Of Lignans In Qinghai Flaxseed And Its Antioxidant Activity, Chen Yun-Yun, Wang Jin-Ying, Wang Xing-Rui, Han Yu-Ze, Li Ying-Xia, Wang Shu-Zhen
Food and Machinery
Objective: It provides a basis for promoting the high-value utilization of flaxseed and its processing by-products in Qinghai. Methods: Using linseeds from different producing areas and varieties in Qinghai province as raw materials, and the content of lignan and its component-secoisolariciresinol diglucoside and secoisolariciresinol in 20 kinds of flaxseeds in Qinghai were determined by reversed-phase high performance liquid chromatography, based on DPPH and ABTS free radical scavenging ability to evaluate the antioxidant activity of these two lignans. Results: The content of lignans in flaxseeds from different producing areas and varieties in Qinghai Province was significantly different （P<0.05）, and the content ranges of secoisolariciresinol diglucoside and secoisolariciresinol were 7.53～23.33 mg/g, 0.85～2.55 mg/g, respectively. Secoisolariciresinol diglucoside and secoisolariciresinol have scavenging effects on DPPH and ABTS free radicals. There were significant differences in the antioxidant activity of lignans in 20 kinds of flaxseeds （P<0.05）. Conclusion: Linseeds from different producing areas and varieties in Qinghai Province have different lignan content, which has good antioxidant capacity.
Effect Of Pulsed Light On Bacterium Sterilization Of Beverage Bottle Cap, Chen Jin-Ding, Wang Yuan, Mao Li-Ke, Liu Jin-Fang, Gao Yan-Xiang
Effect Of Pulsed Light On Bacterium Sterilization Of Beverage Bottle Cap, Chen Jin-Ding, Wang Yuan, Mao Li-Ke, Liu Jin-Fang, Gao Yan-Xiang
Food and Machinery
Objective: This study aimed to study the effect of pulsed light on sterilization of beverage bottle caps and to expand its application in PET aseptic filling. Methods: The effect of pulsed light (PL) on the sterilization of 38 mm and 28 mm beverage bottle caps was evaluated. The factors affecting sterilization efficiency included initial aerobic bacterial count, PL irradiation distance and pulse frequency. Results: The results showed that the sterilization efficiency was proportional to the initial aerobic bacterial count and flash time, while it was inversely proportional to PL irradiation distance. When the PL treatment was performed by 7 cm …
Optimization Of Preparation Of Ginseng Glycoprotein By Response Surface Methodology, Yu Ping, Yue Yu-Xian, Zhang Yu, Chen Chang-Bao, Zhang Qing-He
Optimization Of Preparation Of Ginseng Glycoprotein By Response Surface Methodology, Yu Ping, Yue Yu-Xian, Zhang Yu, Chen Chang-Bao, Zhang Qing-He
Food and Machinery
Objective： To optimize the preparation process of ginseng glycoprotein. Methods: The Box-Behnken response surface method was used to analyze the effects of extraction time, extraction times, material-to-liquid ratio, and alcohol precipitation concentration on ginseng glycoprotein. Results: The optimal ginseng glycoprotein preparation process extracted three times and 1.5 h with a material-to-liquid ratio 1.0∶15.4 (g/mL) 72% of alcohol precipitation volume fraction. Under the control of these conditions, the extraction rate of ginseng glycoprotein was 24.14%. Conclusion: The optimized preparation technology of ginseng glycoprotein is stable, accurate, reliable, and the extraction rate is high, which has particular practical value.
Optimization Of Vacuum Freeze-Drying Of Pitaya By Response Surface Methodology, Wei Yun-Yi, Cheng Zhong, Lei Ting-De, Huang Chun-Lan
Optimization Of Vacuum Freeze-Drying Of Pitaya By Response Surface Methodology, Wei Yun-Yi, Cheng Zhong, Lei Ting-De, Huang Chun-Lan
Food and Machinery
Objective: Improve the brittleness and crisp of freeze-drying of pitaya. Methods: Taking red pitaya Meilong No.1 as the research object, the porosity was selected as the evaluation index by pearson correlation between sensory evaluation and objective indexes, the effects of slice thickness, pre-freezing time, drying air pressure and drying time on the quality of vacuum freeze-dried pitaya was studied by single factor experiments, and the optimal level was selected; The processing conditions were optimized using Box-Behnken response surface methodology. Results: Slice thickness, pre-freezing time and drying time were linearly correlated with the porosity of freeze-dried pitaya; The optimal process were …
Research Progress Of Quality Detection Methods For Donkey-Hide Gelatin And Its Products, Lin Xiao-Yi, Li Gen, Wang Feng-Yu, Chen Yu
Research Progress Of Quality Detection Methods For Donkey-Hide Gelatin And Its Products, Lin Xiao-Yi, Li Gen, Wang Feng-Yu, Chen Yu
Food and Machinery
This paper summarizes the current related gelatin and its products identification, quality evaluation of the research progress of methods and techniques, including the spectrometry, electrophoresis, high performance liquid chromatography, polymerase chain reaction and DNA barcode technology, and discusses the problems and limitations in the current onkey-hide gelatin products detection technology, The development prospect of the technique is summarized and prospect.
Advances In Effects Of Physical Field Pretreatment On Starch Modification And Its Multi-Scale Structure, Li Guang-Yao, Li Lin-Bo, Yang Tian-You, Wang Bao-Shi, Zhang Ming-Xia
Advances In Effects Of Physical Field Pretreatment On Starch Modification And Its Multi-Scale Structure, Li Guang-Yao, Li Lin-Bo, Yang Tian-You, Wang Bao-Shi, Zhang Ming-Xia
Food and Machinery
In this paper, the applications of new physical fields such as ultrasonic field, microwave field and electric field in starch modification and the changes of starch multi-scale structure were reviewed, and the future green and safe production direction of modified starch was prospected. It is pointed out that electron beam radiation has important application potential in dry modification of starch. Exploring the influence law and mechanism of multi-scale structure of irradiated starch is helpful to promote the green and intelligent manufacture of modified starch.
Research Progress Of Superheated Steam Drying Technology, Li Shao-Bin, Fang Ting, Su Huang-Jie, Liu Bin-Xiong
Research Progress Of Superheated Steam Drying Technology, Li Shao-Bin, Fang Ting, Su Huang-Jie, Liu Bin-Xiong
Food and Machinery
This paper reviews the research progress of different superheated steam drying equipment from two aspects of energy efficiency and product quality. Discussed the development status and potential of the superheated steam drying system in different drying equipment, including the fluidized bed dryer, vacuum dryer, rotary dryer, flash dryer, impact dryer, etc. .
Research Progress Of Phase Change Cold Storage Materials And Their Application In Cold Storage, Sun Jin-Tao, Xie Jing
Research Progress Of Phase Change Cold Storage Materials And Their Application In Cold Storage, Sun Jin-Tao, Xie Jing
Food and Machinery
Using a combination of research literature review and actual cases, the characteristics of phase change materials and the refrigeration principle of cold storage with phase change materials were analyzed, and their respective advantages were fully utilized in practical applications to achieve a more ideal effect.
Progress On Utilization Of Bamboo Shoot By-Products And Functional Components, Tang Jiao-Jiao, Li Ke, Zhang Zhi-Xin, Zheng Shi-Lin, Li Zong-Jun, Tong Guang-Xiang
Progress On Utilization Of Bamboo Shoot By-Products And Functional Components, Tang Jiao-Jiao, Li Ke, Zhang Zhi-Xin, Zheng Shi-Lin, Li Zong-Jun, Tong Guang-Xiang
Food and Machinery
The functional components of bamboo shoot by-products, such as bamboo shoots pre-cooking water, bamboo shoot juice, bamboo shoot roots in polysaccharide, sterol, free amino acids, dietary fiber,polyphenols extraction method of optimization were summarized. The function mechanism research was reviewed in detail, putting forward the future by-products from the processing of bamboo shoot development direction in basic research and applied research. It is expected to provide a reference for the utilization of bamboo shoot resources.