Research And Design Of Portable Chinese Chestnut Opener,
2023
College of Bohai, Hebei Agricultural University, Huanghua, Hebei 061100 , China
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 …
Effect Of Roasting On The Flavor And Quality Of Highland Barely Wine,
2023
College of Food Science and Engineering, Beijing University of Agriculture, Food Quality and SafetyBeijing Laboratory, Beijing 102206 , China
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 …
Research Progress Of Walnut Hulling Technology And Equipment,
2023
Agricultural Mechanization Institute, Xinjiang Academy of Agricultural Sciences, Urumqi, Xinjiang 830091 , China
Research Progress Of Walnut Hulling Technology And Equipment, Jia Liu, Xiao-He Shen, Li-Ling Yang, Kui Liu, Kuan-Bo Cui, Zhao-Shuai Zhu
Food and Machinery
This paper introduces walnut shell breaking technology, focuses on the structure, working principle and characteristics of walnut shell breaking equipment at home and abroad, analyzes the existing problems of walnut shell breaking machinery, and prospects the application research direction of walnut shell breaking machinery. Provides a reference for the development of walnut shell breaking technology and related mechanical equipment.
Research Progress On The Mechanism Of Dietary Fiber In Regulating Blood Sugar Of Type 2 Diabetes,
2023
College of Mairine Science and Biological Engineering, Qingdao University of Science & Technology,Qingdao, Shandong 266042 , China ；The First Institute of Oceanography, Ministry of Natural Resource,Qingdao, Shandong 266061 , China
Research Progress On The Mechanism Of Dietary Fiber In Regulating Blood Sugar Of Type 2 Diabetes, Yan-Feng Wang, Xi-Hong Yang, Jun-Han Cao, Chang-Feng Qu, Li-Ping Zhang, Jin-Lai Miao, Wan-Cui Xie
Food and Machinery
This article mainly reviews the hypoglycemic effect of dietary fiber on type 2 diabetes-including improving insulin resistance, regulating glucose and lipid metabolism disorders, improving oxidative stress, regulating intestinal flora and stabilizing postprandial blood glucose-delaying glucose absorption and inhibition The digestive enzyme activity was systematically analyzed and summarized from the level of action mechanism, with a view to providing more theoretical basis and reference for the application of dietary fiber in reducing and stabilizing blood glucose of type 2 diabetes.
Risk Assessment And Regulation Of Bacteriophage As A New Food Antimicrobial Agent,
2023
Renmin University of China, Beijing 100872 , China
Risk Assessment And Regulation Of Bacteriophage As A New Food Antimicrobial Agent, Lin Wei, Juan-Juan Sun
Food and Machinery
Based on the theory of modern risk regulation and the existing research results at home and abroad, this paper discusses the bacteriophage as a kind of food antimicrobial agent from the perspective of risk assessment and risk regulation. In previous studies on risk assessment, no obvious adverse effects and side effects of phages on the environment, animals and human body were found. As an antibacterial agent, bacteriophage has shown good antibacterial effects in fruits and vegetables, meat, dairy products and seafood, with a very broad application prospect. However, while complying with the application research trend of bacteriophage food antimicrobial agents, …
Research On Process Optimization And Quality Of Alkali Soaking And Steam Fixing For Golden Matcha Green Protection,
2023
Key Laboratory of Hunan Forest Products and Chemical Industry Engineering, Jishou University, Zhangjiajie,Hunan 427000 , China ；Institute of Food Science, Jishou University, Jishou, Hunan 416000 , China
Research On Process Optimization And Quality Of Alkali Soaking And Steam Fixing For Golden Matcha Green Protection, Ying Lu, Yong-Sheng Tan, Mao-Jun Yao, Qian Yang, Wen Sun
Food and Machinery
In this study, golden tea was used as the raw material to optimize the green protection technology in the process of preparing golden matcha by the alkali soaking and steam fixing. Three significant influencing factors were obtained by Plackett-Burman design, including the alkali concentration, alkali soaking time and steam fixing time, and the process optimization was studied by the steepest ascent design and Box-Behnken design. The optimal conditions were as follows: The alkali concentration 0.15%, alkali soaking time 20 min, steam fixing time 92 s, solid-liquid ratio 1∶20 (g/mL), and the thickness of leaves 1 cm. Undercontrol of these conditions, …
Study On Microwave Drying Characteristics Of Instant Arrowhead Slices And Kinetic Model,
2023
College of Food and Biological Engineer, Hezhou University, Hezhou, Guangxi 542899 , China ；Institute of Food Science and Engineering Technology, Hezhou University, Hezhou, Guangxi 542899 , China
Study On Microwave Drying Characteristics Of Instant Arrowhead Slices And Kinetic Model, Xiao-Xian Tang, Zhen-Hua Duan, Ai-Qing Ren, Wei-Wen Duan, Han-Sen Luo, Cheng-Zhen Lin, Li-Ya Meng
Food and Machinery
The microwave drying characteristics of arrowhead slices was researched, and the drying kinetics model was established on the basis of effects of thickness, lay density and microwave power on the microwave drying characteristics of arrowhead were studied. The results show that the microwave drying process of arrowhead slices is mainly characterized by accelerated drying and deceleration, but when the power density was low, the drying rate appeared a constant stage. The greater the thickness and density were, the smaller the change of drying rate it was. The slower the reduction of moisture content was, and the longer drying time it …
Research Progress On Rapid Pickling Process Of Salted Duck Eggs And Comprehensive Utilization Of Salted Duck Eggs White,
2023
College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306 , China ；Engineering Research Center of Food Thermal Processing Technology, Shanghai Ocean University,Shanghai 201306 , China ；National Experimental Teaching Demonstration Center for Food Scienceand Engineering, Shanghai Ocean University, Shanghai 201306 , China
Research Progress On Rapid Pickling Process Of Salted Duck Eggs And Comprehensive Utilization Of Salted Duck Eggs White, Pei-Qing Zan, Yu-Dong Cheng, Yin-Zhe Jin
Food and Machinery
The technology, processing method and pickling principle of salted egg, and the comprehensive utilization of salted egg white were discussed and analyzed. The advantages and disadvantages of different technologies, including the factors involved in efficiency, economy, environment and operability, etc., were summarized, and their future applications were also prospected.
Research Advance On The Effects Of Solid-State Biotransformation On The Biological Activity Of Plant Food Processing By-Products,
2023
College of Food Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128 , China
Research Advance On The Effects Of Solid-State Biotransformation On The Biological Activity Of Plant Food Processing By-Products, Jia-Xu Chen, Ya-Ping Fu, Yao Gao, Yu Xiao
Food and Machinery
Based on the recent reports from domestic and foreign researches, this study elaberated plant food by-products processed by solid-state biotransformation for the enzyme production efficiency and its potential applications. In addition, this study also reviewed solid-state biotransformation on the influence of major biological compounds (e.g., phenolics, flavonoids, polysaccharides etc.) and bio-activities of plant food by-products, and prospected its direction for future development.
Screening And Identification Of Two Strains Of Β-Glucosidase Producing Symbiotic Fungi In Martianus Dermestoides And The Mechanism Of Combined Transformation Of Ginsenoside,
2023
Agricultural College of Yanbian University, Yanji, Jilin 133000 , China
Screening And Identification Of Two Strains Of Β-Glucosidase Producing Symbiotic Fungi In Martianus Dermestoides And The Mechanism Of Combined Transformation Of Ginsenoside, Liu Fang, Yan-Cheng Wang, Wen-Xiu Ji, Wei-Wei Dong
Food and Machinery
Two strains of fungi producing β-glucosidase were screened and identified from Martianus dermestoides. The conversion of rare ginsenosides and fermentation quality were improved by combined fermentation of the two strains. The dynamic fermentation process was studied, and the mechanism of ginsenoside transformation was clarified. Screening was performed by MRS (aesculin, ferric citrate) medium. Two fungi producing β-glucosidase were identified by 18S rRNA gene amplification. The strains were fermented with total ginsenoside, the fermentation products were analyzed by LC-MS/MS. Two fungi producing β-glucosidase were identified as genus Chaetomium and Aspergillus respectively. The fermentation products of WY1 reacted with total …
Effects Of Different Wheat Flour Quality Characteristics On Steamed Bread Quality,
2023
Department of Agriculture, Hetao College, Bayannur, Inner Mongolia 015000 , China
Effects Of Different Wheat Flour Quality Characteristics On Steamed Bread Quality, Ya-Ping Yong, Cui-Xia Gao, Yan-Ru Wang, Yun-Ling Li, Xiao-Bing Zhu, Jing Su
Food and Machinery
With fourteen kinds of Hetao wheat flour as the research object, the effects of wheat flour quality indexes, stretching indexes and alveograph indexs on steamed bread quality indexes were analyzed by principal component analysis and clustering analysis. The results showed that wet gluten and protein were positively correlated with the elasticity and resilience of steamed bread, and the correlation coefficients were 0.822, 0.791, 0.643 and 0.752, respectively. The alveograph index P value, W value and Ie value were significantly positively correlated with the specific volume of steamed bread (the correlation coefficient was 0.768 and 0.709). The contribution rate of variance …
An Uhplc-Ms/Ms Method For Rapid Analysis Of Tea For The Potential Presence Of Illegally Added Flavorings,
2023
Guangzhou Inspection and Testing Certification Group Company Limited, Guangzhou, Guangdong 511447 , China ；National Quality Testing Center for Processed Food ﹝Guangdong﹞, Guangzhou, Guangdong 511447 , China
An Uhplc-Ms/Ms Method For Rapid Analysis Of Tea For The Potential Presence Of Illegally Added Flavorings, Zhi-Sen Liang, Yu-Zhen Chen, Lang-Jun Zhou
Food and Machinery
A qualitative and quantitative method for simultaneous detection of 7 potential presence of illegally-added flavorings, including trans-anethole, coumarin, estragole, lawsone, methyleugenol, pulegone and trans-cinnamaldehyde in tea samples. Tea samples were extracted with acetonitrile-water served as a mixed solvent, subjected to whirlpool oscillation and then diluted properly. After that, anhydrous sodium sulfate, primary secondary amine (PSA) and octadecylsiyl silica gel (C18) were added to the solvent for purification. The centrifugation, the supernatant was filtered over a membrane and separated on a Kinetex C18 column. These 7 target compounds were determined by UHPLC-MS/MS in MRM mode, and quantified utilizing …
Construction Of Public Food Safety Trust Mechanism In The Context Of Information Asymmetry,
2023
Xinjiang Vocational and Technical College of Construction, Urumchi, Xinjiang 830054 , China
Construction Of Public Food Safety Trust Mechanism In The Context Of Information Asymmetry, Qing-Jie Meng
Food and Machinery
One of the important reasons for the current lack of trust in food safety among the public is the information asymmetry existing in the relevant core stakeholders. The primary prerequisite for building public trust mechanism of food safety is to clarify the rights and obligations of the stakeholders of the judiciary, government, enterprises and the public based on the background of information asymmetry. Based on an overview of the basic theories of public food management, this study discussed the main dilemmas that the current public food safety trust mechanism is difficult to form, and points out the main scopes and …
Control System Of Rice Whitening Unit Based On Bp-Pid Controller Optimized By Pso Algorithm,
2023
School of Mechanical Engineering, Wuhan Polytechnic University, Wuhan, Hubei 430023 , China
Control System Of Rice Whitening Unit Based On Bp-Pid Controller Optimized By Pso Algorithm, Qiang Li, Jin Zhou, Yong-Lin Zhang, Shao-Yun Song
Food and Machinery
Aiming at the problems of poor flow stability among the current rice whitening unit, low single machine efficiency, unbalanced whitening or excessive broken rice caused by overmilling, a rice whitening unit control system based on particle swarm optimization (PSO) optimized BP-PID control was proposed. Using the multi-machine collaborative optimization technology, the flow balance control by adjusting the ratio of the rice bran-removing powder and the matching operating parameters of the online rice whitening machine. The parameters of the PID controller was trained through the BP neural network, a mathematical model for the regulation of the rice whitening unit was established, …
An Improved Of Time Span Of Returning Moisture For Stem Soaking Machine,
2023
Guangxi Zhongyan Industrial Co., Ltd., Liuzhou, Guangxi 545005 , China
An Improved Of Time Span Of Returning Moisture For Stem Soaking Machine, Jin-Ling Kang, Sheng Cui, Wen-Zhen Huang, Liu-Jing Xie, Lin-Tao Tang, Qi-Xue Zhong
Food and Machinery
Aiming at the problem that the current time span of stem soaking machine can not meet the demand of the time span of stem returning from different raw materials, the design of the existing stem soaking machine was improved. The drainage opening is set at the feed end and the middle part of the transition trough respectively, and then the drainage opening and closing is controlled through the flap door and the cylinder, so as to adjust the moisture return time of the tobacco stalk. Under the premise of other parameter setting being unchanged, the improved stalk dipper's time span …
Effect Of Refrigerated Storage On Nutritional Composition And Volatile Substances Of Yak Yogurt,
2023
Academy of Animal and Veterinary Sciences, Qinghai University, Xining, Qinghai 810016 ,China
Effect Of Refrigerated Storage On Nutritional Composition And Volatile Substances Of Yak Yogurt, Sheng-Sheng Li, Shu-Jie Liu
Food and Machinery
The purpose of this study was to investigate the nutritional composition and volatile substances changes of yak yogurt under refrigeration storage. The nutritional composition and volatile substance were measured by amino acid analysis, fatty acid methyl ester method and gas chromatography-mass spectrometry. The results showed that yak yogurt had no significant difference on the contents of protein, fat, lactose and water content (P＞0.05) under refrigeration storage. The total amino acid and flavour amino acid of yak yogurt significant increased after 7 d refrigeration storage (P＜0.05), and the increased rate were 12.96% and 8.51%, respectively; the amino acids score of yak …
Effect Of Simulated Gastrointestinal Digestion In Vitro On The Antioxidant Activity Of Oyster Oligopeptides,
2023
Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province,Ningbo, Zhejiang 315832 , China ；China National Research Institute of Food and FermentationIndustries Co., Ltd., Beijing 100015 , China ；Beijing Engineering Research Center of Protein andFunctional Peptides, Beijing 100015 , China
Effect Of Simulated Gastrointestinal Digestion In Vitro On The Antioxidant Activity Of Oyster Oligopeptides, Yong Ma, Li-Hui Gao, Xiao-Wen Feng, Rui-Zeng Gu, Tao Han, Wen-Ying Liu
Food and Machinery
Oyster oligopeptides were prepared by enzymolysis from shelled oyster meat. The molecular weight distribution, DPPH radical scavenging capacity, hydroxyl free radical (·OH) scavenging capacity, ABTS free radical scavenging capacity and oxygen radical absorption capacity (ORAC) of oyster oligopeptides were compared before and after digestion in vitro. The changes of antioxidant activity of the oligopeptides after digestion in simulated stomach and intestine were explored. The experimental results showed that the relative molecular weight of oyster oligopeptides was mainly under 1 000 Da, and the average molecular weight of pepsin and trypsin decreased by no more than 8.2%; after pepsin and trypsin …
Study On The Hypoglycemic Effect Of Dandelion Extract On Type 2 Diabetic Rats,
2023
Department of Traditional Chinese Medicine, School of Medicine, Yanbian University, Yanji, Jilin 133000 , China
Study On The Hypoglycemic Effect Of Dandelion Extract On Type 2 Diabetic Rats, Shuang Yan, Guang-Yao Li, Cong-Shu Dai, Hao-Zhen Cui, Zhen-Yu Liu, Chang-Qing Lin
Food and Machinery
Objective: To study the hypoglycemic effect of dandelion extract on type 2 diabetes (T2DM) rats. Methods: High-fat and high-sugar feed and streptozotocin (STZ) were used to establish type 2 diabetic rat model. The blank normal group, model group, dandelion high-dose group (400 mg/kg) and dandelion low-dose group (200 mg/kg) were set up in the experiment, positive group (150 mg/kg). Fasting blood glucose (FBG), glucose tolerance level (OGTT), insulin resistance (FINS) and insulin sensitivity (HOMA-IR) were measured in T2DM rats, and TC, TG, ALT, AST, SOD, GSH, CAT, MDA related indicators were measured. Results: Compared with the model group, the FBG, …
Effect Of Roasting Process On The Quality Of Tea Used In Green-Tea Beverages,
2023
College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642 , China
Effect Of Roasting Process On The Quality Of Tea Used In Green-Tea Beverages, Bin-Zhang Huang, Xiao-Rong Lin, Zhong-Zheng Chen, Yuan-Yuan Zhang, Xiao-Hui Liu, Long-Xin Luo, Bin Li
Food and Machinery
To explore the effects of the roasting process on the quality of green tea used as raw materials in the industrial production of green tea beverages and to optimize the roasting process, steamed green tea was roasted using a roaster and an oven, respectively. Effects of roasting temperature, roasting time, and the dosage of additional water on the sensory quality, contents of major chemical components, and the composition of volatile components of green tea were analyzed. The roasting process of green tea using roaster and oven was optimized using the orthogonal experiment. The results showed that the odor of grass …
Study On Nutritional Analysis And Hydrolysis Process Optimization Of Porcine Hemoglobin And Preparation Of Metal Chelating Peptides,
2023
College of Food Engineering, Anhui University of Science and Technology, Chuzhou, Anhui 239000 , China
Study On Nutritional Analysis And Hydrolysis Process Optimization Of Porcine Hemoglobin And Preparation Of Metal Chelating Peptides, Zi-Yi Sun, Jian-Ting Yang, Ning-Ning Xie, Fu-Sheng Zhang
Food and Machinery
Taking the porcine haemoglobin as raw material, the basic nutritional indicators and the amino acid composition were detected. Using the hydrolysis degree as the index, the effects of reaction pH, hydrolysis temperature and reaction time were examined. On the basis of single factor experiment, Box-Behnken central composite design was utilized to optimize the hydrolysis process and preparation of metal chelating peptides. Results showed that the porcine haemoglobin has excellent nutritional characteristics and is rich in various amino acids. Moreover,the optimized processing were as followed: pH of 10.69, hydrolysis temperature of 48.50 ℃, hydrolysis time of 6.76 h, substrate concentration of …
