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- Antioxidant activity (19)
- Antioxidant (7)
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- Starch (5)
- Storage quality (5)
- Antioxidant capacity (4)
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- Structural characterization (3)
- Temperature (3)
- Total flavonoids (3)
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Articles 31 - 60 of 303
Full-Text Articles in Agriculture
Research Progress On The Main Components And Comprehensive Utilization Of Camellia Oleifera Cake, Liu Chu-Cen, Fei Xiao-Fang, Zhou Wen-Hua, Mo Hua
Research Progress On The Main Components And Comprehensive Utilization Of Camellia Oleifera Cake, Liu Chu-Cen, Fei Xiao-Fang, Zhou Wen-Hua, Mo Hua
Food and Machinery
In this paper,the extraction and application of protein, polysaccharide, polyphenol and tea saponin from Camellia oleifera cake were reviewed. It is found that Camellia oleifera meal has high processing and utilization value, which can be used as new food raw material or feed, chemical industry, light industry and other important raw materials. On the whole, the by-products of Camellia oleifera have certain potential in the development and application direction of special medical food and health food.
Effects Of Different Separation Techniques On The Component Content Of Linear Maltooligosaccharides, Li Jia-Cheng, Chen Dian-Ning, Gu Zheng-Biao, Li Cai-Ming, Li Zhao-Feng
Effects Of Different Separation Techniques On The Component Content Of Linear Maltooligosaccharides, Li Jia-Cheng, Chen Dian-Ning, Gu Zheng-Biao, Li Cai-Ming, Li Zhao-Feng
Food and Machinery
In order to improve the content of linear maltooligosaccharides with specific degree of polymerization in the enzymatic hydrolysis products, the effects were investigated including from the membrane separation, activated carbon adsorption separation, sephadex column chromatography and ion exchange resin column chromatography. The results showed that the membrane separation, activated carbon adsorption separation, sephadex column chromatography and Na+/Ca2+ ion exchange resins were all not conducive to continuous batch operation. In contrast, K+ ion exchange resins had better effects. Compared with the initial enzymatic hydrolysate, the proportion of G3~G6 and G5+G6 in the permeable solution after separation and purification …
Identification And Polar Lipid Composition Analysis Of Yeasts Isolated From Sufu Manufacture, Chen Si-Kai, Lin Sheng-Jie, Li Li
Identification And Polar Lipid Composition Analysis Of Yeasts Isolated From Sufu Manufacture, Chen Si-Kai, Lin Sheng-Jie, Li Li
Food and Machinery
In order to characterize lipid metabolism of yeasts during sufu manufacture, 23 isolates from sufu pehtze and acidic tofu whey were identified. Ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) was used to analyse the lipid fingerprints of 7 strains of yeast, after the determination of lipase activities. It is suggested that lipid fingerprint mainly includes 2 kinds of sphingosine, 16 kinds of amide, 22 kinds of ester and 3 kinds of fatty acid. Kluyveromyces marxianus SP-1 and Candida (Pichia) norvegensis SP-5 show highest relative amount of 2-Amino-1,3,4-octadecanetrio and N, N-Dimethylsphingosine, which indicates potential for sphingolipids synthesis. Candida ethanolica ATW-1, Pichia …
Analysis Of Puff-By-Puff Release Of Nine Main Components In Mainstream Smoke Of Typical Flue-Cured Slim And Normal Cigarettes, Liu Qi, Ma Meng-Jie, Gong Zhen-Lin, Yuan Yi-Lai, Zhu Huai-Yuan, Wu Yang, Liao Hui-Yun
Analysis Of Puff-By-Puff Release Of Nine Main Components In Mainstream Smoke Of Typical Flue-Cured Slim And Normal Cigarettes, Liu Qi, Ma Meng-Jie, Gong Zhen-Lin, Yuan Yi-Lai, Zhu Huai-Yuan, Wu Yang, Liao Hui-Yun
Food and Machinery
In order to investigate the difference of the puff-by-puff release of nine major components (tar, nicotine, CO, NNK, B[a]P, phenol, crotonaldehyde, HCN and NH3) in mainstream smoke of slim and normal cigarettes, typical flue-cured cigarette samples from same cut tobacco were smoked by smoking machine under ISO. Results showed that: ① The average puffs of slim and normal cigarettes were 5.49 and 6.72 respectively, which showed there were significant statistical differences. In general, the puff-by-puff and total release of all components from slim cigarette were lower than from normal cigarette. and puff-by-puff release deviations of tar, nicotine, NNK, B[a]P, phenol, …
Study On The Quality Of Raw And Cooked Chestnut From Different Growing Regions, Zhou Kui, Zhang Ya-Yuan, Huang Hui-Ling, You Xiang-Rong, Wang Ying, Li Ming-Juan, Wei Ping
Study On The Quality Of Raw And Cooked Chestnut From Different Growing Regions, Zhou Kui, Zhang Ya-Yuan, Huang Hui-Ling, You Xiang-Rong, Wang Ying, Li Ming-Juan, Wei Ping
Food and Machinery
In order to understand the comprehensive nutritional value of Guangxi chestnut growing in Counties Tiane, Longlin and Longan, the nutritional components, antioxidant components and processing characteristics of raw and cooked chestnut were compared and analyzed. The results showed that the quality of chestnut varies with the place of production and the state of ripeness. The cooked chestnut had a darker color, higher fat, amino acid content and water holding capacity, while the raw chestnut had higher soluble protein and vitamin C (VC) content, and stronger ability of scavenging free-radical and oil-holding capacity. However, the raw chestnut exhibited the …
Detection Of Enrofloxacin Residues In Chicken Based On Surface Enhanced Raman Spectroscopy And Two-Dimensional Correlation Spectroscopy, Ban Jing-Jing, Liu Gui-Shan, He Jian-Guo, Cheng Li-Juan, Fan Nai-Yun, Yuan Rui-Rui
Detection Of Enrofloxacin Residues In Chicken Based On Surface Enhanced Raman Spectroscopy And Two-Dimensional Correlation Spectroscopy, Ban Jing-Jing, Liu Gui-Shan, He Jian-Guo, Cheng Li-Juan, Fan Nai-Yun, Yuan Rui-Rui
Food and Machinery
The surface-enhanced Raman spectroscopy (SERS) technology and the two-dimensional correlation spectroscopy (2D-COS) were used to optimize the characteristic variables of the Enrofloxacin in chicken meat. The partial least squares regression method (PLSR) was used to establish Enro the characteristic peak analysis model of sand star was compared with the competitive positive adaptive weighting algorithm (CARS). The results showed that the 2D-COS-PLSR model has the best effect, and its Rc and Rp were 0.979 7, 0.997 2 respectively, which shows that it is feasible to use 2D-COS to optimize the characteristic spectral peaks related to the concentration of enrofloxacin in chicken.
Simultaneous Determination Of 10 Kinds Of Fungicides In Tomatoes And Cucumbers By Gc-Ms/Ms Combined With Solid Phase Extraction, Zhang Yao, Wu Long-Guo, Ma Gui-Juan, Gong Hui, Gao Lin, Sun Qian
Simultaneous Determination Of 10 Kinds Of Fungicides In Tomatoes And Cucumbers By Gc-Ms/Ms Combined With Solid Phase Extraction, Zhang Yao, Wu Long-Guo, Ma Gui-Juan, Gong Hui, Gao Lin, Sun Qian
Food and Machinery
A method for the simultaneous determination of 10 fungicides residues in vegetables by gas chromatography- mass spectrometer (GC-MS/MS) was established. The samples were extracted by ethyl acetate cyclohexane, and the aminosolid phase extraction column purification was preferred. Which were detected by multi-reaction monitoring (MRM), and quantified by external standard method. The results showed that the linear relationship of 10 fungicides in the mass concentration range of 15~500 ng/mL was good, and the correlation coefficient was all greater than 0.999 1, with the detection limit of 0.1~0.5 μg/kg. The actual recoveries of the samples were 84.7%~117.0%, and the relative standard deviation …
Design And Simulation Analysis Of High-Efficiency Flexible Pipe Chain Conveying Equipment, Wang Zhen-Min, Li Yong-Xiang, Wang Ming-Xu, Wang Huai-Ting
Design And Simulation Analysis Of High-Efficiency Flexible Pipe Chain Conveying Equipment, Wang Zhen-Min, Li Yong-Xiang, Wang Ming-Xu, Wang Huai-Ting
Food and Machinery
Using the integrated design concept and a combination of theoretical analysis and simulation, a high-efficiency and flexible pipe chain conveyor with cleaning devices is designed. SolidWorks 3D modeling software is used to model each part of the equipment in blocks, and virtual assembly is carried out to ensure that the design structure is designed reasonably, and that the pipe chain conveyor equipment can complete the functions of conveying materials and cleaning up residue. The simulation results show that the designed pipe chain conveying equipment completes the conveying of materials while the real simulation software simulates and analyzes the key components …
Optimum Design Of Two Degree Freedom Seven-Bar Robot Leg Mechanism, Luo Zhong-Hua
Optimum Design Of Two Degree Freedom Seven-Bar Robot Leg Mechanism, Luo Zhong-Hua
Food and Machinery
In this paper, motion formulae of two degree freedom seven-bar mechanism are derived a mathematical model is established for optimal design of the seven-bar leg mechanism of mobile robot. The elliptic trajectory curve with the long half axis of 100 mm and the short half axis of 40 mm is selected as the relative ideal trajectory curve of robot foot endpoint. The two degree freedom seven-bar robot leg mechanism is optimized by using the genetic algorithm. The foot endpoint actual trajectory curve of the optimized seven-bar leg mechanism of robot almost coincides with the ideal elliptic trajectory curve. The maximum …
Study On Air Volume Control And Performance Optimization Of Oven Based On Numerical Simulation, Li Hai-Yun, Zhang Kai, Huang Jia-Yu
Study On Air Volume Control And Performance Optimization Of Oven Based On Numerical Simulation, Li Hai-Yun, Zhang Kai, Huang Jia-Yu
Food and Machinery
A 9-point distributed thermocouple was used to measure the temperature field distribution of each layer of the oven in real time, and the oven temperature uniformity was determined and analyzed. Moreover, the internal temperature field of the oven was numerically simulated using computational fluid mechanics knowledge. The results showed that the uniformity of the temperature field inside the oven was significantly improved, by optimizing the structure of the rear baffle in the oven, adjusting the distribution of air volume, and changing the layout of the air outlet.
Design And Experiment Of Box Type Hot Air Drier For Fruits And Vegetables Based On Temperature And Humidity Control, Ju Hao-Yu, Zhao Hai-Yan, Yu Xian-Long, Zhang Wei-Peng, Wang Hui, Gao Zhen-Jiang, Xiao Hong-Wei
Design And Experiment Of Box Type Hot Air Drier For Fruits And Vegetables Based On Temperature And Humidity Control, Ju Hao-Yu, Zhao Hai-Yan, Yu Xian-Long, Zhang Wei-Peng, Wang Hui, Gao Zhen-Jiang, Xiao Hong-Wei
Food and Machinery
The box type hot air dryer with controlled temperature and humidity was designed. The drying machine mainly consists of internal recycle fan, heating system, humidifying equipment, weighing unit, and automatic control system. The experiment result showed that under 60 ℃ and 20% relative humidity, internal temperature and relative humidity were uniform and drying time was consistent in different positions with no significant differences. The material temperature changing curves seemed to be consistent under the same enthalpy value drying condition. Additonally, step-down relative humdity dyring method improve drying efficient a lot.
Design And Test Of Automatic Batch Weighing Equipment Based On Plc Control, Li Lei, Wang Lei, Zhou Jing
Design And Test Of Automatic Batch Weighing Equipment Based On Plc Control, Li Lei, Wang Lei, Zhou Jing
Food and Machinery
In order to improve the weighing accuracy and realize the automation of batching process, a set of automatic weighing and batching equipment based on PLC is designed. The equipment includes three sets of silo assembly, which can store and supply different solid materials according to the formula. The function of control system includes formula management, parameter debugging, automatic weighing, alarm display and so on. The material feeding process is not only divided into coarse feeding and accurate feeding, but also introduces compensation coefficient,which effectively improves the weighing accuracy. By analyzing the test results, the equipment improves the weighing accuracy, it …
Innovation Of Food Packaging Design Under The Trend Of Multi-Sensory Design, Zhang Da-Lu
Innovation Of Food Packaging Design Under The Trend Of Multi-Sensory Design, Zhang Da-Lu
Food and Machinery
The multi-sensory packaging design is made through establishing channels outside of the visual senses, which can enhance the sensory stimulation for consumers, and promote the emotional communication between products and people. It is more fun and interactive, in line with the humanization design concept. The multi-sensory packaging design is different from general packaging design, which make the customers not only from the visual sense experience, but pay more attention to the value of the tactile experience, deepen the sensory experience emotional impact, and improve the product identification from the multi-sensory experience. It is pointed out that multi-sensory packaging design should …
Analysis Of Nutritional Quality And Antioxidant Activity Of The Seed Oil From Leping Melon, Wu Min-Fu, Li Sha, Xu Zhen-Lin, Ye Hong
Analysis Of Nutritional Quality And Antioxidant Activity Of The Seed Oil From Leping Melon, Wu Min-Fu, Li Sha, Xu Zhen-Lin, Ye Hong
Food and Machinery
In order to determine the nutritional quality and antioxidant activity of melon seed oil, the oil was extracted from the dried Leping melon seeds seed by solvent method, and its basic physical and chemical indexes were measured. The fatty acid composition, triglyceride, tocopherol, and sterol composition of melon seed oil were analyzed by the method of GC(gas chromatography) and LC(liquid chromatography), and its antioxidant activity was evaluated. The results showed that the basic physical and chemical indexes of Leping melon seed oil met the national standard of edible oil; fatty acid analysis revealed that the content of unsaturated fatty acid …
Nutritive Composition Analysis Of Highland Barley Flour And Optimization Of Processing Parameters For Highland Barley Chips, He Wei
Food and Machinery
Nutritional components of highland barley flour were analyzed, including protein, fat, ash, moisture and amino acids. The processing parameters for highland barley chips was studied, including extrusion puffed, pre-drying and roasting. The results showed that, in the highland barley flour, the protein contents of protein, fat, moisture and ash were 10.23 g/100 g, 2.51 g/100 g, 8.41 g/100 g, and 1.86 g/100 g respectively. Highland barley flour contained 17 amino acids, and the contents of total amino acid were 9.471 g/100 g. The optimum preparation of extrusion puffed conditions were determined as follows: barrel temperature of T2 to T6 were …
Recent Advance In Research Of Chitin In The Field Of Food Science, Wang Yun-Tao, Yang Fang, Li Bin, Bai Yan-Hong
Recent Advance In Research Of Chitin In The Field Of Food Science, Wang Yun-Tao, Yang Fang, Li Bin, Bai Yan-Hong
Food and Machinery
This review summarizes the latest research of chitin in food field, including the application of chitin film as food packaging materials, the application of chitin microspheres in immobilization, adsorption and separation of macromolecules, the preparation of nano chitin and its application in emulsification, regulation of food texture, antibacterial function, and health promoting effect, the new method for preparing chitin oligosaccharides.
Comparative Study On Fermentation Characteristics Of Lidu Texiang Liquor Brewed In Different Seasons, Li Jie, Tang Xiang-Yang, Yu You-Gui, Wu Qiang, Zhu Dong-Cai, He Hong-Mei
Comparative Study On Fermentation Characteristics Of Lidu Texiang Liquor Brewed In Different Seasons, Li Jie, Tang Xiang-Yang, Yu You-Gui, Wu Qiang, Zhu Dong-Cai, He Hong-Mei
Food and Machinery
To study on the characteristics of condition of the fermenting grain entering the cellar and the original spirits of Lidu Texiang liquor in different seasons, the fermented temperature, moisture, acidity, starch and alcohol content of the fermenting grain
The Calculation Methods Of Goat Trunk’S Segmentation Trajectory Based On Machine Vision And Machine Learning, Li Zhen-Qiang, Wang Shu-Cai, Zhao Shi-Da, Wang Yu-Quan
The Calculation Methods Of Goat Trunk’S Segmentation Trajectory Based On Machine Vision And Machine Learning, Li Zhen-Qiang, Wang Shu-Cai, Zhao Shi-Da, Wang Yu-Quan
Food and Machinery
An automated segmentation method of goat trunk with machine vision and machine learning was proposed. 396 images of goat trunk were acquired randomly in a goat slaughtering plant by using two industrial cameras. 24 sets of feature parameters were extracte
Study On The Sensitization Of Glycated Parvalbumin From Alaska Pollock During Simulated Digestion, Zhang Min, Tu Zong-Cai, Wang Hui, Liu Jun, Hu Yue-Ming
Study On The Sensitization Of Glycated Parvalbumin From Alaska Pollock During Simulated Digestion, Zhang Min, Tu Zong-Cai, Wang Hui, Liu Jun, Hu Yue-Ming
Food and Machinery
Indirect competition ELISA, high performance liquid chromatography and other techniques were used to study the sensitization and structural changes of glycosylated pollock albumin (PV) during simulated digestion in vitro. The results showed that th
Strain Screening Of Pantothenate Synthetase And Catalysis To Produce D-Pantothenic Acid, Ma Yu-Yu, Song Wei, Feng Xiao-Na, Liu Jia, Qian Yuan-Yuan
Strain Screening Of Pantothenate Synthetase And Catalysis To Produce D-Pantothenic Acid, Ma Yu-Yu, Song Wei, Feng Xiao-Na, Liu Jia, Qian Yuan-Yuan
Food and Machinery
In this study, 11 source PS enzyme genes were cloned and expressed in Escherichia coli BL21 (DE3), and the successful strain was constructed for enzymatic property study with simultaneous fermentation and transformation experiment on the fermentati
Screening Of Lactobacillus With Antioxidant Properties From Traditional Yak Ghee In High Altitude Area Of Tibet, Li Dan-Dan, Jiang Ting-Ting, Zhang Yan, Luo Zhang
Screening Of Lactobacillus With Antioxidant Properties From Traditional Yak Ghee In High Altitude Area Of Tibet, Li Dan-Dan, Jiang Ting-Ting, Zhang Yan, Luo Zhang
Food and Machinery
Lactobacillus in yak ghee at different altitudes in Tibet was screened through tolerance index of resistance to acid, hydrogen peroxide, and antioxidant indicators of scavenging capacity of DPPH free radicals, OH free radicals and superoxide anions
Effect Of Frying Time On Sensory Evaluation And Electronic Nose Analysis Of Lipu Taro, Su Ke-Zhen, Luo Yang-He, Li Xiao-Chun, Li Guan-Li
Effect Of Frying Time On Sensory Evaluation And Electronic Nose Analysis Of Lipu Taro, Su Ke-Zhen, Luo Yang-He, Li Xiao-Chun, Li Guan-Li
Food and Machinery
The flavor characteristics of Lipu’s taro at different frying times (0.0, 1.0, 1.5, 2.0, 2.5, 3.0 min) were study based on sensory evaluation and electronic nose technique. Change values for each response sensor were observed by radar chart and Loading An
Study On The Farinograph Properties Of Five Kinds Of Coarse Cereals, Yan Mei-Jiao, Li Yun-Long, He Yong-Ji, Yi Xin, Sun Yuan-Lin, Zhao Lin
Study On The Farinograph Properties Of Five Kinds Of Coarse Cereals, Yan Mei-Jiao, Li Yun-Long, He Yong-Ji, Yi Xin, Sun Yuan-Lin, Zhao Lin
Food and Machinery
The flour properties of oats, barley, tartary buckwheat, sweet buckwheat and quinoa were analyzed, including the content of broken starch and amylose, particle size distribution, dough rheological properties and hydration properties. The results showed th
Nutritional Value And Antioxidant Capacity Of Shepherd’S Purse Seed, Song Zhao-Jun, Wang Feng-Lei, Zhao Gong-Ling, Feng Xiao-Han, Ding Ke
Nutritional Value And Antioxidant Capacity Of Shepherd’S Purse Seed, Song Zhao-Jun, Wang Feng-Lei, Zhao Gong-Ling, Feng Xiao-Han, Ding Ke
Food and Machinery
Analyzed the nutritional value and antioxidant capacity of Shepherd’s purse seed. There were many kinds of nutrients in the seed of Shepherd’s purse. The content of crude fat ranked the first with 37.6 g/100 g, and among the crude fat, un
Social Supervision Mechanism Of Food Safety Management In China, Tang Zhang-Yuan
Social Supervision Mechanism Of Food Safety Management In China, Tang Zhang-Yuan
Food and Machinery
The social supervision mechanism in China's tourism food safety governance mainly includes three forms: consumer rights protection supervision, social organization supervision and industry self-discipline supervision. However, in the practical operation o
Design And Analysis Of Double Deck Unmanned Vending Meal Storage Cabinet, Xi Wei-Wei, Sha Jie, Jian Yang-Yang, Wu Zong-Qing, Qi Guang-Yu
Design And Analysis Of Double Deck Unmanned Vending Meal Storage Cabinet, Xi Wei-Wei, Sha Jie, Jian Yang-Yang, Wu Zong-Qing, Qi Guang-Yu
Food and Machinery
In view of the fact that the automatic meal-selling equipment in the market is not convenient enough and efficient, a double-layer unmanned vending storage cabinet equipment is designed. The equipment was composed of two parts: a food storage device and a
The Design Of Auto-Cleaning Equipment For Cigarette Assembling Device In Zj116a Cigarette Maker, Pan Heng-Le, Feng Xiong-Wei, Wang Jun
The Design Of Auto-Cleaning Equipment For Cigarette Assembling Device In Zj116a Cigarette Maker, Pan Heng-Le, Feng Xiong-Wei, Wang Jun
Food and Machinery
A new auto-cleaning equipment was designed and applied to the ZJ116A cigarette maker to reduce the frequency caused by “rolling plate jam” and solve the difficulty of cleaning up. The new device cleans the surface of the rolling drum with a brush driven b
Antibacterial Effect Of Phenolic Acid On Shewanella Putrefaciens From Aquatic Product, Zhu Jin-Shuai, Li Qiu-Ying, Yu Xin-Rui, Sun Tong, Li Jian-Rong
Antibacterial Effect Of Phenolic Acid On Shewanella Putrefaciens From Aquatic Product, Zhu Jin-Shuai, Li Qiu-Ying, Yu Xin-Rui, Sun Tong, Li Jian-Rong
Food and Machinery
Compared the antibacterial activities of three phenolic acids (gallic acid, protocatechuic acid, and chlorogenic acid) against S. putrefaciens, and investigated the antibacterial effects of gallic acid on S. putrefaciens by means of scanning electron micr
Comparative Analysis Of Total Flavonoids, Total Polyphenols And Antioxidant Properties In Different Varieties Of Hulless Barley, Xia Chen, Xiang Zhuo-Ya, Zhu Yong-Qing, Deng Jun-Lin, Yang Kai-Jun, Liu Ting-Hui, Chen Jian, Lin Chang-Bin, Li Ke, Zhao Xu-Zhu
Comparative Analysis Of Total Flavonoids, Total Polyphenols And Antioxidant Properties In Different Varieties Of Hulless Barley, Xia Chen, Xiang Zhuo-Ya, Zhu Yong-Qing, Deng Jun-Lin, Yang Kai-Jun, Liu Ting-Hui, Chen Jian, Lin Chang-Bin, Li Ke, Zhao Xu-Zhu
Food and Machinery
The total flavonoid content, total polyphenols content and their antioxidant activities in eleven variety of hulless barley were determined and analyzed. Significant differences were found in active ingredients in hulless barley among different varieties
Enzymatic Breaking-Extraction And Characterization Of Protein From Rape Bee Pollen, Wang Ling-Bo, Zhu Song, Chen Shang-Wei
Enzymatic Breaking-Extraction And Characterization Of Protein From Rape Bee Pollen, Wang Ling-Bo, Zhu Song, Chen Shang-Wei
Food and Machinery
The bee pollen of oilseed rape was used to investigate the effect of enzymatically breaking the wall for protein extraction, and the optimal conditions of the extraction were determined by single factor test and response surface analysis. After mixing 2.5