Research Progress On The Controlled Release Technology Of Active Compounds From Active Packaging Film,
2019
College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China; Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Storage and Preservation 〔Shanghai〕, Ministry of Agriculture, Shanghai 201306, China; National Experimental Teaching Demonstration Center for Food Science and Engineering 〔Shanghai Ocean University〕, Shanghai 201306, China
Research Progress On The Controlled Release Technology Of Active Compounds From Active Packaging Film, Chen Chenwei, Wang Jiaxi, Yang Fuxin, Xie Jing, Tang Zhipeng
Food and Machinery
The controlled release technology of active compounds released from the active packaging films was reviewed. It was summarized mainly from three aspects, including the control technologies of the release rate for active compounds, its influence factors and release kinetic models. It was aimed to provide a reference for future research on the active packaging film.
Study On Correlation Between Content Of Protein, Fat, Starch And Hedonic Score Of Ham Sausage And Measurement Based On Microphotography,
2019
College of Food Science, Southwest University, Chongqing 400716, China
Study On Correlation Between Content Of Protein, Fat, Starch And Hedonic Score Of Ham Sausage And Measurement Based On Microphotography, Zhu Lintao, Wu Wenbiao
Food and Machinery
By using the ham sausages currently sold in Chinese market as studying materials, upright light microscope and photography system were employed in treating the stained slices of ham sausages. Photographs observable by naked eyes were obtained and the pixels occupied by the stained area of proteins, fats and starches were measured respectively while their percentages accounted for the pixels of total observed area were subsequently calculated. Results analysis indicated that the percentage of the pixels which were occupied by the stained area of proteins, fats or starches accounted for the pixels of total observed area was positively correlated with their …
Rice Bran Polysaccharides Prevent Dss-Induced Colitis Through Mapk Signaling Pathway In Mice,
2019
College of Chemical Biology and Environmental Engineering, Xiangnan University, Chenzhou, Hunan 423000, China; Hunan Key Laboratory of Grain and Oil Deep Processing and Quality Control, College of Food Science and Engineering, Central South Forestry University, Changsha, Hunan 410004, China
Rice Bran Polysaccharides Prevent Dss-Induced Colitis Through Mapk Signaling Pathway In Mice, Liu Jing, Guo Ting, Guo Tianyi, Zou Jiawen, Zhou Xiaotian, He Jie, Shi Yuhong, Luo Feijun
Food and Machinery
To assess the anti-inflammatory function and possible molecular mechanism of rice bran polysaccharide (RBP), DSS-induced colitis model was used in ICR mice. Pathological changes and gene expression were analyzed by histopathological analysis, RT-qPCR and Western blotting among of different experiment groups. The results showed that 500 mg/kg/day RBP could significantly improve the health status of mice and reduced colonic inflammation. RBP reduced the disease active index (DAI) score of DSS-induced mice and alleviated the damage of pathological tissue, with the improvement of the inflammation-related biochemical indicators. qRT-PCR analysis showed that RBP could decrease the mRNA expression level of inflammatory factors, …
Adsorption Characteristics Of Moringa Seed Shell To Methylene Blue,
2019
College of Food Science, Southwest University, Chongqing 400715, China
Adsorption Characteristics Of Moringa Seed Shell To Methylene Blue, Li Fengquan, Zeng Fankun, Zhong Jinfeng, Qin Xiaoli
Food and Machinery
Used moringa seed shell as adsorbent, investigated the effects of adsorption time, particle size, temperature, initial concentration of solution and pH on the adsorption of methylene blue. Datas were fitted by adsorption isotherm model and kinetic model. The samples were characterized by scanning electron microscopy and infrared spectroscopy. The results showed that under the condition of adding 10 g/L of moringa seed shell, the optimum adsorption conditions were adsorption time 1.5 h, particle size ＞80 mesh, temperature 25 ℃, methylene blue solution concentration 200 mg/L and pH＞5. The adsorption process followed the Langmuir model and the pseudo-second-order kinetic model. The …
Effect Of Maillard Reaction On Antioxidation Of Camellia Oleifera Seed Oil,
2019
Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, Zhejiang 311400, China; School of Food Science and Technology, Central South University of Forestry and Technology, Changsha, Hunan 410004, China
Effect Of Maillard Reaction On Antioxidation Of Camellia Oleifera Seed Oil, Yang Nan, Luo Fan, Fei Xueqian, Zhong Haiyan
Food and Machinery
In order to study the relationship between Maillard reaction products and antioxidant activity of Camellia oleifera seed oil, determined the Camellia seed oil treated with different heating time and temperature before and after heating was used to determine its oxidation stability time, moisture, browning degree and color value, and the content and oxidation resistance of Maillard reaction products. The results showed that the oxidation stability time of pressed Camellia seed oil after heating first increased and then stabilized. In the early stage of heating (20 min), the oxidation stability time increased most significantly. It increased by 2.10, 4.46, 4.93, 5.20 …
On-Line Monitoring Of Emergency Pollution Of Ochratoxin A In Drinking Water By Flow Injection Chemiluminescence,
2019
Department of Food Science and Engineering, Jinan University, Guangzhou, Guangdong 510632, China
On-Line Monitoring Of Emergency Pollution Of Ochratoxin A In Drinking Water By Flow Injection Chemiluminescence, Li Liang, Tang Shuze, Yang Panpan, Liu Qianyu, Wu Shizheng
Food and Machinery
Based on quenching effect of ochratoxin A on chemiluminescence (CL) reaction of luminol-NaIO4 system catalyzing by Tween 20, a novel flow-injection chemiluminescence method was developed for the rapid on-line determination of possible sudden pollution of ochratoxin A in drinking water. Under the optimum conditions of response surface experiment, the linear range for ochratoxin A was 0.006～1.000 μg/mL with a detection limit of 1.74×10-3 μg/mL and recovery of 80.6%～92.4%. The relative standard deviation (RSD) was 1.68% by analyzing samples containing 0.02 μg/mL ochratoxin A (n=11). This method was founs convenient to operate, and couls be applied to the rapid emergency …
Criminal Law Regulation Of Network Food Safety Crime,
2019
Law Shool of Southwest University for Political Science and Law, Chongqing 401120, China; Institute of Political Science and Law of Shihezi University, Shihezi, Xinjiang 832003, China
Criminal Law Regulation Of Network Food Safety Crime, Zhang Yu
Food and Machinery
Under the background of the popularization of the network and the rapid development of the logistics industry, due to the imperfection of the current food governance legal system and the lack of the governance ability, the criminal problems in the field of food safety have become increasingly prominent. That is, the traditional means of crime and the new means of crime intertwined, the network and logistics crime converged, the victimized area was expanding and the variety of crime involved was diversified, the reason was that the subject of criminal supervision in the field of network food safety was not clear. …
Study Of Resonant Acoustic Field On Ultrasonic Micronization Of Cellulose,
2019
College of Material and Mechanical Engineering, Beijing Technology and Business University, Beijing 100048, China
Study Of Resonant Acoustic Field On Ultrasonic Micronization Of Cellulose, Yu Jian, Wu Xue, Liu Bing, Zhang Yuan, Xu Xuedong
Food and Machinery
Studied the effect on micronization of cellulose in 20 kHz ultrasonic crushing sound field conditions. It was determined and selected the geometric parameters of the ultrasonic resonant reactor for cavitation crushing field by using the analysis of sound propagation in a cylindrical pipe. Combining with the acoustic modal analysis, the height of liquid level foe resonant reactor was obtained, which could enhanced acoustic energy density distribution. Used the finite element method to analyze the acoustic field of ultrasonic material crushing cavitation. Finally, The ultrasonic crushing experiments were conducted with the resonant reactor liquid level and the non-resonant reactor liquid level …
Improved Design Of Banana Stalk Fiber Extraction Blade,
2019
School of Mechanics and Electrics Engineering, Hainan University, Haikou, Hainan 570228, China
Improved Design Of Banana Stalk Fiber Extraction Blade, Li Shuang, Liang Dong, Zhang Xirui, Li Yue
Food and Machinery
In view of the current unsatisfactory processing performance of existing banana stalk fiber extraction machine， by drawing on the design principle of manual razor, design a two-layer asymptotic blade structure to optimize its performance. A comparison test was made between the improved blade and the ordinary L-shaped blade. The results showed that the fiber extraction rate increased from 14.50% to 16.03%, and the fiber content decreased from 14.21% to 9.85%. The processing efficiency was more stable when multiple pieces of stalks were stacked.
The Change Of Volatile Compounds In Sichuan Baikou Baby Ginger During Storage,
2019
Sichuan Agriculture University, Yaan, Sichuan 625000, China
The Change Of Volatile Compounds In Sichuan Baikou Baby Ginger During Storage, Fu Yunyun, Yan Xiaoqian, Yuan Bo, Zhang Jing, Jiang Cheng, Wang Pengling, Zhao Jianglin, Chen Anjun
Food and Machinery
In order to study the change of volatile compounds in baby ginger during sandy soil storage, the baby ginger were stored at proper temperature after selection, classification and sterilization treatment. Solid phasemicroextraction coupled with gas chromatography-mass spectrometry (SPME-GC-MS) was used to measure the volatile compounds of baby ginger in different storage time. There were totally 77 volatiles compounds in baby ginger including hydrocarbons (47), alcohols (16), ketones (1), aldehydes (4), ethers (9).Among all these volatiles compounds, the contents of hydrocarbon and aldehyde were significantly increased at 30 days of storage (P<0.05). There were nine volatile components content, L-za-pinene, camphene, 2, 6-octadiene, 2, 6-dimethyl, reverse-yl-acycloacene, bergamene, 2-zitol, citronella, citronella, and citral,increased significantly with the extension of storage time in baby ginger, the contents of these substances at the time of 30 days, were 5.09, 7.89, 6.73, 10.48, 153.75, 11.11, 8.21, 11.73, 24.96 and 14.65 times respectively.
Researching Of Effects On The Oxygen Volume Fraction Of Air Infiltration In The Compartment With Controlled Atmosphere Transportation,
2019
Zhongkai University of Agriculture and Engineering, Faculty of Mechanica and Electrical Engineering, Guangzhou, Guangdong 510225, China
Researching Of Effects On The Oxygen Volume Fraction Of Air Infiltration In The Compartment With Controlled Atmosphere Transportation, Yang Songxia, Zhu Lixue, Wang Liuling, Lu Enli, Guo Jiaming
Food and Machinery
In order to master the changing regulations of oxygen volume fraction in the controlled atmosphere transportation compartments, the air infiltration characteristics caused by the thermal pressure and wind pressure were analyzed, and then the influences of air infiltration to the oxygen volume fraction was researched, and the verification experiment was also carried out. The results shown that the theoretical value and experimental value of oxygen volume fraction in the compartment were basically identical, which indicated that the model of air infiltration model was accurate. Air infiltration was mainly caused by wind pressure, and the air infiltration volume was very small …
Study On Preheating And Ultrasound-Assisted Extraction Of Polyphenols From Corn Silk And Their Antioxidant Activities,
2019
College of Food and Bioengineering, Qiqihar University, Qiqihar, Heilongjiang 161006, China
Study On Preheating And Ultrasound-Assisted Extraction Of Polyphenols From Corn Silk And Their Antioxidant Activities, Xu Yingyi, Xu Yanxia, Wang Yu, Lin Wei, Wu Hongyan, Meng Xiangwen
Food and Machinery
Ultrasonic-assisted ethanol extraction after heating was used to extract polyphenols from corn silk. On the basis of single factor test, the response surface optimization test was carried out on polyphenols by ultrasonic-assisted ethanol extractions, and the antioxidant activity of the extracted polyphenols was studied. The results showed that the optimum extraction conditions were as follows: the ratio of solid to liquid 1∶22 (g/mL), the volume fraction of ethanol 60%, the ultrasonic time 32 min, and the ultrasonic temperature 60 ℃，the extraction rate of the polyphenol from corn silk was (6.49 ± 0.23)%. The scavenging rates of DPPH，hydroxyl and ABTS free …
Maize Starch On The Quality Of Fresh Rice Noodles,
2019
School of Chemistry and Food Engineering, Changsha University of Science and Technology, Changsha, Hunan 410114, China
Maize Starch On The Quality Of Fresh Rice Noodles, Tao Zui, Xie Lan, Bao Jinsong, Luo Keda, Zhu Hong, Yi Cuiping
Food and Machinery
The effects of adding different content of maize starch on the cooking, texture and sensory quality of fresh rice noodles (FRN) were studied. The results showed that the addition of maize starch increased the broken rate and cooking loss of FRN, and when added amount was 15%～60%, which was significantly higher than 3%～5% (P＜0.05), without influences on its flavor. 3% to 5% of maize starch could significantly increase the water absorption of FRN (P＜0.05), and the whiteness value also increased, with the higher sensory evaluation score; 15%～60% of maize starch could increase the hardness of the FRN and other indicators, …
Advances On Application Of Predictive Microbiology In Shelf Life Of Aquatic Products,
2019
Shanghai Aquatic Products Processing and Storage Engineering Technology Research Center, Shanghai 201306, China; Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai 201306, China; National Experimental Teaching Demonstration Center for Food Science and Engineering ﹝Shanghai Ocean University﹞, Shanghai 201306, China; Shanghai Ocean University College of Food Science and Technology, Shanghai 201306, China
Advances On Application Of Predictive Microbiology In Shelf Life Of Aquatic Products, Shen Yong, Mei Jun, Xie Jing
Food and Machinery
Aquatic products is easily deteriorated，and microorganism is the main factor that leads to the deterioration. Predictive microbiology can predict the growth of spoilage organisms in aquatic products by building mathematical models, which help us predict the shelf-life of aquatic products. This paper briefly describes the meaning of predictive microbiology primary model, secondary model and tertiary model, enumerates the applications of predictive microbiology in shelf-life, and discuss the problems of predictive microbiology in the shelf-life prediction, and its application prospect is also proposed.
Application Of Spectroscopy In Dairy And Dairy Products,
2019
School of Agriculture, Ningxia University, Yinchuan, Ningxia 750021, China
Application Of Spectroscopy In Dairy And Dairy Products, Ju Ning, Hu Jie
Food and Machinery
This paper reviewed the applications of the spectral technologies, including the adulteration detection, nutrients detection，antibiotics detection, microbial contamination detection and product types identification in dairy and dairy products. Using Near-infrared spectroscopy, Raman spectroscopy and Hyperspectral imaging technique, the important applications and research advances of the quality detection and safety assessments in dairy and dairy products have been also reviewed. It was pointed out that the joint application of various technologies is the trend of future research.
Studies On Physicochemical And Structural Properties Of Rice Glutelin At Different Ph Values,
2019
School of Chemistry and Food Engineering, Changsha University of Science and Technology, Changsha, Hunan 410114, China
Studies On Physicochemical And Structural Properties Of Rice Glutelin At Different Ph Values, Li Shuang, Liu Yongle, Yu Jian, Wang Faxiang, Wang Jianhui, Li Xianghong
Food and Machinery
Among cereal proteins, rice proteins are hypoallergenic, rich in essential amino acids and easily digestible etc. While their lower solubilities under neutral conditions limit their applications in food industry. In present study, the physicochemical and structural properties of rice glutelin at different pH values (pH 3.0, 4.0 and 7.0) were characterized to explore the optimum pH value to dissolve rice protein and expand its application range. The results showed that, compared to the neutral condition, the solubility and structural properties of rice glutelin were changed significantly under the acidic conditions. The protein solubility was only (6.24±1.25)% at pH 7.0, for …
Reliable Screening Of Rutin In Healthcare Products By Hptlc-Dpph Assay,
2019
State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
Reliable Screening Of Rutin In Healthcare Products By Hptlc-Dpph Assay, Wang Tiannan, Zhang Huang, Chen Yisheng, Xu Xueming, Huang Caihong
Food and Machinery
The study combines the reaction of 1,1-diphenyl-2-picrylhydrazyl radical (DPPH) with reduce discoloration and high-performance thin layer chromatography to establish a new method for the determination of rutin in healthcare products by HPTLC-DPPH. The effects of DPPH color reaction time, mobile phase, and optical density scanning parameters on chromatographic separation and densitometric results are investigated as well as recovery and precision of the method. The standard addition recovery rate of the method is 82%~97%, and the precision RSD is <10%. It was demonstrated that the method is able to circumvent the interferences from sample matrices with a simplified sample pretreatment. Therefore, the method is suitable for rapid detection of rutin in healthcare products.
Flow Field Analysis On Ultra-Fine Pulping Andpulverizing Cutter Head By Fluent,
2019
College of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China; Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment & Technology, Wuxi, Jiangsu 214122, China
Flow Field Analysis On Ultra-Fine Pulping Andpulverizing Cutter Head By Fluent, Zhang Xiong, Dai Ning, Zhu Haiqing, Zhang Yuzhong
Food and Machinery
Two kinds of tooth type pulverizing cutter heads are designed based on the principle of superfine pulverization technology, and two kinds of pulverizing knives are analyzed using Fluent simulation software at the speeds of 6 000 r/min, 9 000 r/min and 12 000 r/min. The variation of pressure and speed inside the head was studied. Then the pulverization effect of the two cutter heads was verified by the material pulverization experiment. At the same time, the energy consumption of the two cutter heads was compared and analyzed. Results: The central structure was a four-blade blade tooth-crushing cutter head. The time …
Test And Analysis Of Mechanical Properties Of Rubber Fruit Shell Breaking,
2019
College of Mechanical and Electrical Engineering, Hainan University, Haikou, Hainan 570228, China
Test And Analysis Of Mechanical Properties Of Rubber Fruit Shell Breaking, Wang Yuanrong, Wang Tao, Nie Junfeng
Food and Machinery
In order to study the changing rule of static compressive shell breaking force of rubber fruit under different conditions, the rubber fruit was subjected to the static compression test of the shear force, stabbing force and extrusion force in the loading direction of X, Y and Z respectively. The mechanical model of rubber fruit was established by using finite element method to study the stress and strain and damage law of rubber fruit under compressive load. The test results showed that the relationship between the shell breaking force of the rubber fruit under shear force, stabbing force and extrusion force …
Optimization Of Egg White Protein Spray Drying Process And Its Characteristics,
2019
College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471023, China; National Experimental Teaching Demonstration Center for Food Processing and Security, Henan University of Science and Technology, Luoyang, Henan 471023, China
Optimization Of Egg White Protein Spray Drying Process And Its Characteristics, Chen Ke, Liu Lili, Meng Yuanyuan, Dai Xiaoning
Food and Machinery
In this study, egg albumin was used to study the functional properties and structural changes of its relative powder under the optimal spray drying conditions. Taking powder yield rate as index, the optimum process conditions of spray drying were made of the de-sugaring time of 32 h, the feed liquid speed of 466 mL/h, the egg white liquid mass concentration of 29%, the inlet temperature of 140 ℃ and the outlet temperature of 65 ℃. Under this condition, the powder yield rate was 16.17%. The effect of spray drying on the functional properties of egg albumin, such as solubility, emulsifying …
