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Articles 1 - 30 of 567
Full-Text Articles in Agriculture
Effects Of 60Co Γ Ray Irradiation On Sterilization And Quality Of Sauced Chicken Claw, Peng Ling, Xu Yuanfang, Zhang Qiling, Zhou Yiji, Mao Qingxiu, Li Wenge
Effects Of 60Co Γ Ray Irradiation On Sterilization And Quality Of Sauced Chicken Claw, Peng Ling, Xu Yuanfang, Zhang Qiling, Zhou Yiji, Mao Qingxiu, Li Wenge
Food and Machinery
The effects of the 60Co γ ray irradiation preservation on the sauced chicken claw were investigated by using different irradiation doses. The relationship was analyzed between the irradiation dose and the total bacterial count, nutrients, the composition of amino acids and fatty acids, AC, POV, TVB-N, nitrite as well as chroma. The results showed that the 60Co γ ray irradiation was effective on sterilization, and while the sample was irradiated at the dose of 4.09 kGy, with the total bacterial count reduced to no more than 4.09 kGy. However, no significant effect of the 60Co γ ray …
Research On Antimicrobial And Antioxidant Activities Of Major Components Of Lemon Peel Essential Oil, Zhang Bin, Hou Xiaozhen, Qin Yi, Ding Xin, Deng Qihai, Huang Linjie
Research On Antimicrobial And Antioxidant Activities Of Major Components Of Lemon Peel Essential Oil, Zhang Bin, Hou Xiaozhen, Qin Yi, Ding Xin, Deng Qihai, Huang Linjie
Food and Machinery
Antioxidant and antibacterial activities in vitro of three major components dl-limonene, γ-terpinene and α-terpineol contained in Eureka lemon peel essential oil as well as its compound were explored in mainly in the determination of DPPH free radical as well as OH· free radical scavenging ability and its bacteriostasis size and MIC against Escherichia coli, Bacillus subtilis and Staphylococcus aureus of the three major components. Results showed that dl-limonene, γ-terpinene, α-terpineol had certain scavenging effect on OH· free radical with clearance rate between 48.45%～77.94%; and the scavenging effect of DPPH free radical was higher than that of LEO at the same …
Effects Of Leaf Crude Extracts From Gingo Biloba L. On The Preservation Of Litchi, Li Ling, Yan Xuyu, Chen Tiebi, He Fulin
Effects Of Leaf Crude Extracts From Gingo Biloba L. On The Preservation Of Litchi, Li Ling, Yan Xuyu, Chen Tiebi, He Fulin
Food and Machinery
The leaf crude extracts were obtained from Gingo biloba L. using ethanol extraction method, and its preservation on litchi was studied on the aspects of color, VC content, weight loss rate, the total number of bacteria and sensory evaluation. The results showed that leaf crude extract of ginkgo biloba could reduce the loss of water, inhibit the browning, reduce the decrease of VC content, the infection of litchi flesh and the decay rate of litchi, and keep the sensory quality of litchi. Its ability of antibacterial effects and preservation was followed by 0.6% leaf crude extract of ginkgo …
Structure And Properties Of Acetylated Corn Starch Prepared Under Ultra High Pressure (Uhp), Pu Huayin, Ma Yun, Huang Meng, Xu Yao, Fan Fan, Liu Shuhan, Huang Junrong
Structure And Properties Of Acetylated Corn Starch Prepared Under Ultra High Pressure (Uhp), Pu Huayin, Ma Yun, Huang Meng, Xu Yao, Fan Fan, Liu Shuhan, Huang Junrong
Food and Machinery
The acetylated starches from corn were prepared under ultra high pressure (UHP) by acetic anhydride as reaction reagent, and NaCl as the reaction medium. The structure and properties of acetylated starches were analyzed by using light microscope, X-ray diffractometer and rapid viscosity analyzer. The results indicated that the granular acetylated starch showed a similar crystallite structure as that of native starch. In addition, the acetylated starches were gelatinized when treated at 600 MPa and the structure of starch granules was gradually destroyed, whereas the crystal structure was transformed from the A-type crystallite to the V-type crystallite. However the gelatinization negatively …
Study On Correlation Between Texture Characteristics And Sound Insulation Coefficient Of Bread, Liang Yi, Feng Tao, Zhang Zihan, Wang Jie, Wang Jing
Study On Correlation Between Texture Characteristics And Sound Insulation Coefficient Of Bread, Liang Yi, Feng Tao, Zhang Zihan, Wang Jie, Wang Jing
Food and Machinery
The texture parameters and sound insulation coefficients of the whole wheat bread and white bread were measured according to the difference of the standing time, and the least squares regression analysis was carried out according to the maximum Pearson coefficient of sound insulation coefficients. The results showed that the hardness, elasticity, adhesion and chewiness of whole wheat bread were linear with the sound insulation coefficient of specific frequency. However, no significant linear relationship was found in the studies on the white bread.
Quality Indifferent Degrees Of Softness Of Pickles And Itsprincipal Components Analysis Of Volatiles, Huang Shenglan, Du Muyin, Zhou Xianrong, Tang Yanyan, Li Yuzhu, Long Mou, Yu Lihong
Quality Indifferent Degrees Of Softness Of Pickles And Itsprincipal Components Analysis Of Volatiles, Huang Shenglan, Du Muyin, Zhou Xianrong, Tang Yanyan, Li Yuzhu, Long Mou, Yu Lihong
Food and Machinery
Taking softened radish pickles as research object, the present study explored the differences in physicochemical property and flavor substance of normal pickles and pickles with different softness, determined the flavor and analyzed the main ingredients of pickles with eadspace solid-phase microextraction-gas chromate graphy-mass spectrometry, HS-SPME-GC-MS. The experimental results showed that the acidity and salinity of softened pickles were higher than those of normal pickles. The texture index, sensory evaluation of normal pickles were all better than softened pickles, and the 4 kinds of pickles were all yellowish green. 41, 32, 37 and 30 volatile ingredients were detected in normal pickles …
Analyses Of The Volume Of The Polybasic Acids And Higher Fatty Acids And Their Effect On Tobacco Quality, Xue Yun, Long Zhangde, Yan Jun, Liu Hong, Li Xinqin, Hu Zhizhong, Pan Yongcheng, Lin Shunshun, Zhang Xiaoming
Analyses Of The Volume Of The Polybasic Acids And Higher Fatty Acids And Their Effect On Tobacco Quality, Xue Yun, Long Zhangde, Yan Jun, Liu Hong, Li Xinqin, Hu Zhizhong, Pan Yongcheng, Lin Shunshun, Zhang Xiaoming
Food and Machinery
The relationship of polybasic acids and higher fatty acid content with sensory quality of tobacco raw materials from the different tobacco growing area in Hunan province was investigated, using non derivatization gas chromatographic method. Seven tobacco samples were collected from three districts/counties, and the content of polybasic acids and higher fatty acids of them were detected. The results showed that the highest content of seven kinds of tobacco among the polybasic acids was propionic acid, followed by 2-Methylbutyric acid and 3-methylvaleric acid. Among the higher fatty acids, the highest content of seven kinds of tobacco was palmitic acid, followed by …
Antimicrobial Activity And Chemical Composition Of Eucalyptus Essential Oil, Ren Xiaoling, Yue Shuli, Xiang Hong, Liu Huiya
Antimicrobial Activity And Chemical Composition Of Eucalyptus Essential Oil, Ren Xiaoling, Yue Shuli, Xiang Hong, Liu Huiya
Food and Machinery
To study the antimicrobial potential of vapor-phase Eucalyptus essential oil, the antimicrobial activity and minimum inhibitory concentrations (MIC) were evaluated against the tested microorganisms in vapor, liquid and solid phases. The chemical constitutes of Eucalyptus essential oil and its vapor were analyzed by gas chromatography-mass spectrometry (GC-MS) and solid phase microextraction (SPME) GC-MS. The results demonstrated that Eucalyptus essential oil vapor had obvious antimicrobial effect on the tested microorganisms. The antimicrobial activities of Eucalyptus essential oil vapor against Escherichia coli and Staphylococcus aurous were stronger than that against Aspergillus niger. The MIC value (0.045～0.36 mg/mL) in the vapor phase to …
Extrusion Analysis Of Tianzi-Shaped Tray Of Food Based On Polyflow, Jiang Weixin, Huang Zhigang, Zhao Yulian, Gu Jin, Wang Xiaofeng, Zhang Kai
Extrusion Analysis Of Tianzi-Shaped Tray Of Food Based On Polyflow, Jiang Weixin, Huang Zhigang, Zhao Yulian, Gu Jin, Wang Xiaofeng, Zhang Kai
Food and Machinery
Using Solidworks 3D modeling software to establish the model of Tian-Shaped plastics profile extrusion die. One-quarter part of the Die was divided into ANSYS grid. The melt of poly lactic acid was used as fluid at 190 ℃ in Polyflow simulation analysis. The flow field simulation results of the normal die and the design of the inverse extrusion die were obtained. The flow field and extrusion shape of seven cross sections were compared and analyzed. And the flow chart of typical sections was compared in depth. The results showed that the flow velocity distribution in the die was more uniform. …
Study On Impact Characteristics Of Rubber Seeds, Li Zihao, Wang Tao
Study On Impact Characteristics Of Rubber Seeds, Li Zihao, Wang Tao
Food and Machinery
It is an important method to break rubber seeds with the principle of collision. In order to study the breaking mechanics of rubber seeds in the collision process, the instantaneous impact force of rubber seeds was measured by RFP data acquisition system. In this experiment, single factor method was adopted to select the height, angle and initial velocity factors to analyze the influence of various factors on the impact force of rubber seeds. The experimental results showed that (the perspective of the range is 0° to 90°) : When height increased from 0.5 m to 2.0 m, the collision force …
Integration Of Chinese Cultural Elements In The Design Of Modern Food Packaging, Tian Guikun
Integration Of Chinese Cultural Elements In The Design Of Modern Food Packaging, Tian Guikun
Food and Machinery
The integration of Chinese cultural elements in the modern food packaging design, has many important functions, such as catering to the national identity of the domestic consumers, meeting the needs of foreign culture of foreign consumers, and realizing the modernization of Chinese traditional culture. Therefore, it is necessary to make full use of the representative of Chinese culture，such as characters, colors and patterns and their combinations, then through some specific path, including the traditional culture inheritance and innovation, integrating it into the overall brand strategy for food enterprises, and closely integrated with modern science and technology, so that it can …
Research On Prediction Model Of Egg Freshness Based On Image Processing, Liu Yingying, Zhong Nan
Research On Prediction Model Of Egg Freshness Based On Image Processing, Liu Yingying, Zhong Nan
Food and Machinery
Egg freshness is an important index to measure the economic quality of eggs, and 98 eggs’ image information of different storage time were collected. In the meantime, the conventional index, includes the weight, the height of protein and chamber of the egg which reflects the egg freshness were measured. To receive a method of nondestructive examination, using MATLAB image processing toolbox as a research tool to measure the area ratio of egg yolk, chamber height and length of the whole egg size. Analyzing the regression model between weight and chamber height, whole egg’s major-minor axis, the regression model between protein …
Biological Characteristics And Pathogenicity Of Botryosphaeria Parva Isolated From ‘Hongyang’ Kiwifruit, He Jingliu, Qin Wen, Liu Xiaoyan, Li Hongyi, Shen Dandan
Biological Characteristics And Pathogenicity Of Botryosphaeria Parva Isolated From ‘Hongyang’ Kiwifruit, He Jingliu, Qin Wen, Liu Xiaoyan, Li Hongyi, Shen Dandan
Food and Machinery
Objects: In order to understand the biological characteristics of Botryosphaeria parva causing soft rot of ‘Hongyang’ kiwifruit. Methods: The mycelial structure was observed by optical microscopy and transmission electron microscopy. The growth curve was established with dry cell weight. Multiple methods could be induced to sporulate. The optimum growth condition of Botryosphaeria parva, and its relationship between lethal temperature and lethal time, as well as its pathogenicity in other fruits were studied. Results: There were branching, diaphragm and intact cell for the mycelium of Botryosphaeria parva. The growth curve of Botryosphaeria parva was divided into three periods, including lag phase …
Effect Of Anti-Aging On Human Epidermal Keratinocyte By Uvb Induced For Green Tea Crude Water Extract, Wang Zhen, Liu Zhonghua, Cai Shuxian, Liu An, Wen Yi
Effect Of Anti-Aging On Human Epidermal Keratinocyte By Uvb Induced For Green Tea Crude Water Extract, Wang Zhen, Liu Zhonghua, Cai Shuxian, Liu An, Wen Yi
Food and Machinery
In this study, anti-aging effects of green tea crude water extract were studied using human epidermal keratinocyte as model which induced by ultraviolet B (UVB). The green tea extract of 0～20 μg/mL was added to DMEM cell culture medium, then cells were induced by radiation of 60 mJ/cm2 UVB. The anti-aging effects were studied by cellular morphology, apoptosis level, cell viability, intracellular antioxidant enzyme activity, intracellular active oxygen cluster (ROS) content, malonaldehyde（MDA）content, cell mitochondrial membrane potential and Na+,K+-ATP enzyme activities. The results showed that the crude extract of green tea could obviously improve cell volume, …
Interventional Effects Of Wild Oenanthe Javanica Extract In Guizhou Province In Type 2 Diabetic Mice, Chen Xiaojing, Guo Xiaoqing, Wu Nayiyu, Dai Tiantian
Interventional Effects Of Wild Oenanthe Javanica Extract In Guizhou Province In Type 2 Diabetic Mice, Chen Xiaojing, Guo Xiaoqing, Wu Nayiyu, Dai Tiantian
Food and Machinery
After 5 weeks feeding, the type 2 diabetes mellitus was established by intraperitoneal injection of low-dose STZ (75 mg/kg), to measure and statistically analyz the body weight, blood lipid level, fastig blood glucose level. The extracs of Oenanthe javanica can prevent the increase of blood glucose and the reduction of blood weight in STZ-induced type 2 diabets mice. In the study, the type 2 diabetic mice modle using high glucose and high fat diet and low dose STZ injection occurred at 3weeks, the achievment ratio was 80%, the aqueous extracts composition mold rate was 40%, the alcohol extracts was 60%. …
Functional Properties And Optimization Of Microwave Assisted Alkaline Extraction Of Dietary Fiber From Pomelo Peel, Yan Rongling, Liao Yang, Mao Longyi, He Fulin
Functional Properties And Optimization Of Microwave Assisted Alkaline Extraction Of Dietary Fiber From Pomelo Peel, Yan Rongling, Liao Yang, Mao Longyi, He Fulin
Food and Machinery
The extraction technology of dietary fiber from Jiangyong pomelo peel by microwave assisted alkali method was established and the physicochemical properties and antioxidant activity of dietary fiber were analyzed. The results showed that, ensuring the extraction rate of soluble dietary fiber preferentially, the optimum extraction process of dietary fiber were solid-liquid ratio of 110 (g/mL), NaOH concentration of 8%, microwave time 40 s and microwave power 350 W. With the contrl of the optimal conditions, the maximum extraction yield rate of soluble dietary fiber (SDF) and insoluble dietary fiber (IDF) was 40.8% and 45.1%, respectively. Moreove, the dietary fiber showed …
Study On Microwave-Assisted Extraction And Antioxidant Activity Of Total Saponins From Chenopodium Quinoa Peel, Yang Jie, Gao Fengxiang, Yang Min, Bian Hongyu, Zhang Shigang, Zhao Erlao
Study On Microwave-Assisted Extraction And Antioxidant Activity Of Total Saponins From Chenopodium Quinoa Peel, Yang Jie, Gao Fengxiang, Yang Min, Bian Hongyu, Zhang Shigang, Zhao Erlao
Food and Machinery
The microwave-assisted extraction process of total saponin from Chenopodium quinoa peel of quinoa was optimized by one-factor combined response surface method with total saponin yield as index. The antioxidant activities were evaluated by DPPH free radical, hydroxyl radical and ABTS free radical method. The results showed that the ethanol concentration, microwave power and solid-liquid ratio had a significant effect on the total saponin yield. The optimum conditions were ethanol concentration 68%, microwave power 455 W, solid-liquid ratio 132 (g/mL), microwave time 10 min, and extraction times 2 times. The yield of total saponin from Chenopodium quinoa peel was 26.329 mg/g. …
The Technology Optimization Of The Freezing Microwave Treatment Assisted Extraction Of Phenols From Red Grape Juice, Hong Meiling, Feng Zuoshan, Bai Yujia, Zheng Wancai, Ma Dexiu
The Technology Optimization Of The Freezing Microwave Treatment Assisted Extraction Of Phenols From Red Grape Juice, Hong Meiling, Feng Zuoshan, Bai Yujia, Zheng Wancai, Ma Dexiu
Food and Machinery
In order to promote the rapid dissolution of anthocyanins and other polyphenols in colored grapes into grape juice, taking cabernet sauvignon grape as raw materia, using non thermal processing technology combined with freezing microwave treatment. Based on the single factor experiment, choosing the anthocyanin and polyphenol content of dual response value. Factors such as sample quality, freezing time, freezing temperature, microwave time and microwave power were selected as optimization factors, designed optimization of response surface methodology based on Box-Behnken experimental design principle. The optimum conditions for the simultaneous optimization of the two indicators were as follows: The sample quality was …
Study On Optimization And Effect Of Microwave Assisted Dilute Acid Degradation Of Corn Cob, Zhu Liyan, Yang Xiaorui, Wang Wei, Liang Jinhua, Zhu Jianliang
Study On Optimization And Effect Of Microwave Assisted Dilute Acid Degradation Of Corn Cob, Zhu Liyan, Yang Xiaorui, Wang Wei, Liang Jinhua, Zhu Jianliang
Food and Machinery
In order to improve the utilization rate and economic benefit of lignocellulose, the hydrolysis of corncob was studied by the method of using dilute acid as catalyst under microwave irradiation. Through single factor and orthogonal way ,the influences of microwave radiation time, microwave power, acid concentration, solid-liquid ratio and particle size of corncob were discussed with sugar yield and raw material conversion rate as index ; Raw materials and three methods of treatment of hydrolyzed residue were analyzed by scanning electron microscopy (SEM) and infrared spectroscopy (FT-IR).The results showed that the optimal reaction conditions were as follow: corncob was crushed …
Research Progress Of Detection Technology And Degradation Dynamics Of Spirotetramat In Fruits And Vegetables, Ye Yufeng, Zhou Jie, Liu Yan, Ao Yan, Zhu Lisha, Zhang Jing, Jiao Bining
Research Progress Of Detection Technology And Degradation Dynamics Of Spirotetramat In Fruits And Vegetables, Ye Yufeng, Zhou Jie, Liu Yan, Ao Yan, Zhu Lisha, Zhang Jing, Jiao Bining
Food and Machinery
In order to get a comprehensive understanding of the residual level and metabolism of spirotetramat in fruits, vegetables and soils and reasonable evaluation of the medication safety, we discuss the research progress of the spirotetramat on its registration, limited standard, detection technology, degradation dynamics and residual status. Finally, the relative advises were put forward to solve the existing problems in the application of spirotetramat.
Effect Of Microwave Drying Conditions On Volatile Oil Content In Zanthoxylum Schinifolium And Its Process Optimization, Peng Lin, Tian Bin, Wang Lin, Kan Jianquan, Chen Hourong
Effect Of Microwave Drying Conditions On Volatile Oil Content In Zanthoxylum Schinifolium And Its Process Optimization, Peng Lin, Tian Bin, Wang Lin, Kan Jianquan, Chen Hourong
Food and Machinery
The Optimization of the microwave drying process was investigated using the response surface method in the “Jiuyeqing” Zanthoxylum schinifolium,with enzyme-inactivated by steam. The effects of microwave power, volume and intermittent microwave time on the content of volatile oil in microwave-dried Z. schinifolium were studied, and the suitable influence range was determined. On the basis of single factor experiment, the content of volatile oil was based on the Box-behnken Center combination test design principle, and the microwave drying regression model of it was established. The results showed that the optimal microwave drying parameters were as follows. The microwave power was 354.26 …
A Review Of The Development In Pretreatment Methods For Pcr Detection Of Food-Borne Pathogens, Bai Yalong, Suo Yujuan, Zhou Changyan
A Review Of The Development In Pretreatment Methods For Pcr Detection Of Food-Borne Pathogens, Bai Yalong, Suo Yujuan, Zhou Changyan
Food and Machinery
Molecular detection methods based on PCR (polymerase chain reaction) are widely used in the rapid detection of food-borne pathogens. However, in practical applications pretreatment method is also a critical step in rapid detection except the optimization of PCR. In this review, the pretreatment methods (including the centrifugation, membrane filtration, magnetic separation) for PCR detection of food-borne pathogens were systematically summeried. In particular, the magnetic separation was emphatically reviewed in the PCR detection of food-borne pathogens.
Application Of Radio Frequency Heating In Food Industry, Li Yulin, Jiao Yang, Wang Yifen
Application Of Radio Frequency Heating In Food Industry, Li Yulin, Jiao Yang, Wang Yifen
Food and Machinery
The radio frequency (RF) heating is a novel technology in food industry which has the advantages of fast and volumetric heating. The potential application of the radio frequency technology has been gradually developed in many fields including food drying, sterilization/pasteurization, dis-infestation, thawing and etc. However, there are still problems like non-uniform heating problem needs further research. It was reviewed the fundamentals, applications, and mathematical modeling techniques of radio frequency heating processes in this study, and the future research needs of it were also prospected.
Study On Relationship Of Quaity Between Wheat Quality And Fresh Noodles, Deng Hang, Zhou Wenhua, Li Lihua
Study On Relationship Of Quaity Between Wheat Quality And Fresh Noodles, Deng Hang, Zhou Wenhua, Li Lihua
Food and Machinery
In this study, five different varieties of Chinese wheats: “Jimai 22”, “Yannong 19”, “Yannong 5158”, “Aikang 58”, “Lunxuan 988” from the main producing area in China: Shanxi, Anhui and Henan were selected. The main physical and chemical characters, such as the content of protein, ash, starch, et al, as well as the farinograph property of flour milled by those five different varieties of wheats, were described, and the sensory evaluation and textural properties (TPA) of fresh noodle made from those flour were determined. The correlation between wheat quality and farinograph property and quality of fresh noodles were all analyzed. The …
Study On Micronization Of Spi Emulsions By Ultrasonication And Microfluidization Techniques, Feng Lili, Wu Xue, Huang Zhigang, Yu Jian
Study On Micronization Of Spi Emulsions By Ultrasonication And Microfluidization Techniques, Feng Lili, Wu Xue, Huang Zhigang, Yu Jian
Food and Machinery
The purpose of the study was to produce soy protein isolate(SPI) micro emulsion droplet by ultrasonication and microfluidization Techniques. The changes of SPI emulsion temperature, average droplet diameter and size distribution were observed. The distribution curve of SPI droplet processed by ultrasonication has two peaks and that of SPI droplet processed by microfluidization has single peak. The results indicate that the SPI emulsion processed by high pressure is more homogeneous. The capability of reducing size by ultrasonic process (1 200 W) is very limited, and the SPI emulsion tends to agglomerate after a long time of ultrasonic process. Microfluidization (microseconds, …
Structural Characterization And Antioxiant, Moisture-Absording And Moisture-Retention Properties Of Polysaccharides Of Sophora Japonica L., Li Caixia, Zheng Xue, Gao Haining, Zhang Yong
Structural Characterization And Antioxiant, Moisture-Absording And Moisture-Retention Properties Of Polysaccharides Of Sophora Japonica L., Li Caixia, Zheng Xue, Gao Haining, Zhang Yong
Food and Machinery
The polysaccharides from the seeds and peel of Sophora japonica L. were extracted respectively by double enzymes, The basic structure of polysaccharides were identified by using infrared spectroscopy,and antioxidant activity, moisture absorption and retention capacities of polysaccharides were evaluated. The results indicated that the polysaccharides extraction yield of Sophora japonica L. seeds and peel were 11.6% and 24.7% respectively. The IR spectrum indicated peel and seed polysaccharides had typical characteristic absorption peaks of polysaccharides and pyran ring structure, seed polysaccharides contained a-glycosidic bonds, peel polysaccharides contained α and β glycosidic bonds.The radical scavenging experiment showed that two different polysaccharides of …
Study On Correlation Between Sound Of Breaking And Crispness Of Potato Chips, Zhang Zihan, Feng Tao, Liang Yi, Feng Lili, Wang Jing
Study On Correlation Between Sound Of Breaking And Crispness Of Potato Chips, Zhang Zihan, Feng Tao, Liang Yi, Feng Lili, Wang Jing
Food and Machinery
The hardness and crispness of potato chips were tested by texture analyzer in the present study. Moreover, the fractured acoustic signals were collected to analyze the relationship between the crispness of potato chips and the acoustic characteristics, and the acoustic rating of physical properties were evaluated. The relationship between the hardness crispness and flexibility of three different potato chips and their acoustic characteristics were investigated. The results showed that the more crispness of potato chips had, their hardness and toughness were lower, and the sound of breaking was louder. However, no significant linear correlation were found between the characteristics.
The Kinetics Of Microwave Drying Ginger Based On The Volatile Detection, Xu Wanxiu, Li Jing, Li Zhenfeng, Zhu Guanyu, Song Chunfang, Zhang Junsheng
The Kinetics Of Microwave Drying Ginger Based On The Volatile Detection, Xu Wanxiu, Li Jing, Li Zhenfeng, Zhu Guanyu, Song Chunfang, Zhang Junsheng
Food and Machinery
The online volatile changes of the ginger on drying process and drying characteristics were analyzed at the four constant drying temperature, 50, 60, 70, 80 ℃, respectively. The volatile emission intensity and quality of the corresponding drying temperature was compared to find out a better drying condition. It was found thatd the drying temperature at 60 ℃ could preserve preferred volatile best and avoid burning occurrence. Moreover, the color difference and rehydration ratio were olso found better.
Analysis And Comparison On Solid Ispersion Performance Of Dandelion Chlorogenic Acid, Li Yan, Wang Jie, Cao Keke, Wang Zhanggui, Wang Di
Analysis And Comparison On Solid Ispersion Performance Of Dandelion Chlorogenic Acid, Li Yan, Wang Jie, Cao Keke, Wang Zhanggui, Wang Di
Food and Machinery
To use the solid dispersion method that could improve the dissolution rate of chlorogenic acid.With the factor experiment design, chlorogenic acid solid was mixed with PVPK30 and PEG4000 respectively, with the feed auxiliary ratio of 12, 14, 16, 18. The finished product of solid dispersion prepared by four types of mixture ratio were compared in the vitro solubility, cumulative dissolution and stability, and the optimal mixture ratio was analyzed by SEM. The experiment showed that chlorogenic acid solid dispersion could be prepared by mixture ratio of 14, with PVPK30 as carrier. Compared with crude drugs, in vitro solubility and dissolution …
The Analysis And Evaluation Of Nutrients Of Sansui’S Characteristic Sheldrake Duck Eggs, Shen Changxuan, Wang Xiujun, Huang Shan
The Analysis And Evaluation Of Nutrients Of Sansui’S Characteristic Sheldrake Duck Eggs, Shen Changxuan, Wang Xiujun, Huang Shan
Food and Machinery
The eggs of Sansui’s characteristic sheldrake duck were researched to enrich its foundation and deepen the objective evaluation. Moisture content, crude protein content, amino acid composition and its content, crude fat content, composition and content of fatty acids, cholesterol content and the content of calcium, zinc, magnesium, iron, copper, manganese, lead and selenium of 3 kinds of egg samples in Guizhou were determined by the methods of China national standard, chromatography of gases, Inductively coupled plasma atomic emission spectrometry and spectrofluorimetry. Amino acid and fatty acids were scientifically evaluated by the method WHO/FAO Amino Acid Scoring Model, the chemical score …