Open Access. Powered by Scholars. Published by Universities.®
- Institution
-
- Changsha University of Science and Technology (4759)
- University of Nebraska - Lincoln (6)
- Technological University Dublin (3)
- University of Arkansas, Fayetteville (3)
- University of New Hampshire (3)
-
- University of the Philippines Los Baños (3)
- Department of Primary Industries and Regional Development, Western Australia (2)
- Texas A&M University School of Law (2)
- WellBeing International (2)
- Bemidji State University (1)
- Brigham Young University (1)
- Cal Poly Humboldt (1)
- Central Washington University (1)
- Chapman University (1)
- City University of New York (CUNY) (1)
- Cleveland State University (1)
- Dartmouth College (1)
- Purdue University (1)
- The University of San Francisco (1)
- The University of Southern Mississippi (1)
- University of Central Florida (1)
- University of Nevada, Las Vegas (1)
- West Virginia University (1)
- Wright State University (1)
- Keyword
-
- Antioxidant activity (75)
- Quality (49)
- Food safety (37)
- Antioxidant (35)
- Machine vision (32)
-
- Polysaccharide (27)
- Principal component analysis (24)
- Texture (24)
- Packaging design (23)
- Flavor (21)
- Numerical simulation (20)
- Fermentation (19)
- Physicochemical properties (19)
- Polyphenols (19)
- Uncertainty (19)
- Biological activity (17)
- Food (17)
- Protein (17)
- Detection (16)
- Preservation (16)
- Stability (16)
- Apple (15)
- Microstructure (14)
- Process optimization (14)
- Rapid detection (14)
- Extraction (13)
- Flavonoids (13)
- Sensory evaluation (13)
- Volatile components (13)
- Antioxidant capacity (12)
- Publication Year
- Publication
-
- Food and Machinery (4759)
- Articles (3)
- The Philippine Agricultural Scientist (3)
- Animal Sentience (2)
- Law Faculty Scholarship (2)
-
- Texas A&M Law Review (2)
- AAES Research Reports and Research Bulletins (1)
- All Master's Theses (1)
- Cal Poly Humboldt theses and projects (1)
- Capstones (1)
- Center for Plant Science Innovation: Faculty Publications (1)
- Cornhusker Economics (1)
- Dartmouth Scholarship (1)
- Data Science and Data Mining (1)
- Department of Animal Science: Dissertations, Theses, and Student Research (1)
- Department of Food Science and Technology: Faculty Publications (1)
- Department of Nutrition and Health Sciences: Dissertations, Theses, and Student Research (1)
- Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences (1)
- Dissertations (1)
- Faculty Publications (1)
- Graduate Theses and Dissertations (1)
- Graduate Theses, Dissertations, and Problem Reports (ETD) (1)
- Horticulture research reports (1)
- Journal of Bioresource Management (1)
- Journal of Earth and Life Science (1)
- Journal of Law and Health (1)
- Journal of Nonprofit Innovation (1)
- Master's Theses (1)
- RISK: Health, Safety & Environment (1990-2002) (1)
- Sheep Updates (1)
- Publication Type
Articles 1201 - 1230 of 4798
Full-Text Articles in Food Biotechnology
Application Of Enzyme And Enzyme Technology In Deep Processing Of Tea, Fei Fan, Liu Chang-Wei, Niu Li, Liu Zhong-Hua
Application Of Enzyme And Enzyme Technology In Deep Processing Of Tea, Fei Fan, Liu Chang-Wei, Niu Li, Liu Zhong-Hua
Food and Machinery
Enzymes can efficiently and specifically accelerate biochemical reactions in biological processes. In the field of tea deep processing, the application of exogenous enzymes can be greener and more efficient in the extraction, separation, preparation, or biosynthesis of tea functional components to realize the high value utilization of tea resources. In the present review, the application of enzymes and enzyme engineering technology in tea deep processing were discussed from the following four aspects, i.e., enzyme-assisted extraction, enzyme-assisted synthesis, bioenzyme-modified tea extracts and immobilized enzyme technology. Moreover, the problems and outlooks the research directions of enzymes and the technology in the field …
Optimization On Processing Technology Of Peppermint Essential Oil Wet-Capsule By Ultrasonic-Assisted Ionic Crosslinking, Sun Wei-Wei, Duan Li-Ping, Cai Cao, Chen Hao, Chen Jian, Miao Li-Kun, Chen Sheng
Optimization On Processing Technology Of Peppermint Essential Oil Wet-Capsule By Ultrasonic-Assisted Ionic Crosslinking, Sun Wei-Wei, Duan Li-Ping, Cai Cao, Chen Hao, Chen Jian, Miao Li-Kun, Chen Sheng
Food and Machinery
Objective:The effect of ultrasonic-assisted ionic crosslinking method on the peppermint capsule roundness was studied. Methods:The optimal treatment process was obtained through response surface optimization method, and the quality indicators of peppermint capsule was analyzed. Results: The results showed that, the optimum conditions of ionic crosslinking method were calcium ion mass fraction of 0.4%, soaking time of 20 min, solid/liquid ratio of 1.3∶1.0 (mL/g). Under the conditions, the strength of wet-capsule was 11.5 N, and the roundness of capsule was 0.033 mm. The optimum conditions of ultrasonic-assisted ionic crosslinking method were: ultrasonic time of10 min, ultrasonic power of 105 …
Effects Of The Ratio Of Refined White Rice And Brown Rice On The Quality Of Compounded Rice Flour, Liu Ying, Xu Chen-Ran, Zhang Chu-Jia, Zhang Na, Dou Bo-Xin
Effects Of The Ratio Of Refined White Rice And Brown Rice On The Quality Of Compounded Rice Flour, Liu Ying, Xu Chen-Ran, Zhang Chu-Jia, Zhang Na, Dou Bo-Xin
Food and Machinery
Objective:This study aimed to optimize the compounding ratio of compounded brown rice flour. Methods:The effects of different ratios on the quality of compounded brown rice flour were analyzed by mixing refined white rice and brown rice (10∶0, 8∶2, 6∶4, 4∶6, 2∶8, 0∶10), and the optimal ratios were obtained by using the flushing properties, gelatinization characteristics, rheological properties, thermal properties, and in vitro digestibility as indicators. Results:With the increase of brown rice content, the peak viscosity, valley viscosity and final viscosity of compounded brown rice flour gradually decreased, and the initial gelatinization temperature, peak temperature and end gelatinization …
Functional Components Of Citrus Peel And Its Processing And Application Status, Tang Qing-Miao, Wang Lu-Feng
Functional Components Of Citrus Peel And Its Processing And Application Status, Tang Qing-Miao, Wang Lu-Feng
Food and Machinery
By overviewing the characteristic functional components of the citrus peel and its physiological activities such as antioxidant, anti-bacteria and anti-inflammation, hypoglycemia and lipid-lowering, the current domestic and international situation of citrus peel processing and its applications, summarized in this review, and the technical solutions to comprehensive processing and applications in a stepwise manner, were also discussed. Finally, the future directions on the researches and applications of the citrus peel were prospected.
Optimization Of Ultrasound-Assisted Extraction Of Isovitexin-Glucopyranoside From Ziziphi Spinosae Semen Seeds, Gong Li, Liu Ying, Yang Ting-Ting, Wang Qing, Zhang Yan-Qing
Optimization Of Ultrasound-Assisted Extraction Of Isovitexin-Glucopyranoside From Ziziphi Spinosae Semen Seeds, Gong Li, Liu Ying, Yang Ting-Ting, Wang Qing, Zhang Yan-Qing
Food and Machinery
Objective:This study focused on improving comprehensive utilization rate of ziziphi spinosae semen resources. Methods:With the ultrasonic power, ultrasonic time, solid-liquid ratio, ethanol volume fraction and ultrasonic temperature as the influencing factors, and the extraction rate of isovitexin-glucopyranoside in ziziphi spinosae semen as the index, the extraction process parameters of isovitexin-glucopyranoside were optimized by response surface methodology. Results: The optimal extraction conditions of isovitexin-glucopyranoside were ultrasonic power 405 W, ultrasonic time 60 min, solid-liquid ratio 1∶16 (g/mL) and ethanol volume fraction 75%. Under the control of these conditions, the extraction rate of isovitexin-glucopyranoside was 0.705%, which was close to …
Extraction Of Mulberry Polysaccharide By Ultrasonic Cell Crusher-Assisting And Its Antioxidant Activity Analysis, Zhang Qiu-Hong
Extraction Of Mulberry Polysaccharide By Ultrasonic Cell Crusher-Assisting And Its Antioxidant Activity Analysis, Zhang Qiu-Hong
Food and Machinery
Objective:The cell crusher-assisted hot water extraction and antioxidant activity of mulberry polysaccharide were investigated. Methods:Extraction time, solid-liquid ratio, ultrasonic time, ultrasonic power and extraction temperature were used as the test conditions, the optimum extraction conditions of mulberry polysaccharide were investigated by four factors and three levels of orthogonal test. The antioxidant capacity of mulberry polysaccharide was determined by comparing the scavenging rates of VC and mulberry polysaccharide to DPPH· and hydroxyl radical (·OH). Results: The results showed that the highest yield of mulberry polysaccharide was (6.63±0.07)%, when the extraction time was 30 min,the ultrasonic power was 160 W, …
Optimization Of Microwave-Assisted Extraction Of Total Flavonoids From Leaves Of Moringa Oleifera Lam. By Response Surface Methodology And Its Antibacterial And Antioxidant Activities, Yang Li-Hua, Dong Xiao-Qing, Dong Qi-Lu, Li Xiao-Jiao
Optimization Of Microwave-Assisted Extraction Of Total Flavonoids From Leaves Of Moringa Oleifera Lam. By Response Surface Methodology And Its Antibacterial And Antioxidant Activities, Yang Li-Hua, Dong Xiao-Qing, Dong Qi-Lu, Li Xiao-Jiao
Food and Machinery
Objective:The purpose of this study is to improve the extraction rate of total flavonoids from the leaves of Moringa oleifera Lam. and evaluate their in vitro antibacterial and antioxidant capacity. Methods:The extraction of total flavonoids from the leaves of M. oleifera Lam. from Baoshan city was optimized by Box-Behnken response surface methodology, and its antibacterial and antioxidant activities were evaluated. Results: The optimal conditions for microwave-assisted extraction of total flavonoids from leaves of M. oleifera Lam. were solid-liquid ratio1∶29 (g/mL), microwave power 567 W, microwave time3.6 min and ethanol fraction 50%, and the highest extraction rate of total …
Study On Optimization Of Extraction Technology And Antibacterial Activity Of Total Flavonoids From The Root Of Clausena, Xu Dan-Ni, Su Xiu-Fang, Huang Li-Juan
Study On Optimization Of Extraction Technology And Antibacterial Activity Of Total Flavonoids From The Root Of Clausena, Xu Dan-Ni, Su Xiu-Fang, Huang Li-Juan
Food and Machinery
Objective:This study aimed to optimize the optimal extraction process of total flavonoids from the root of Clausena anisum-olens and determine the yield and antibacterial effect of total flavonoids from different producing areas. Methods:The total flavonoids were extracted by ultrasonic method from the roots of C. anisum-olens. Through single factor and orthogonal test, the effect of ultrasonic assisted extraction conditions on the extraction rate of total flavonoids from the root of C. anisum-olens was investigated, and the extraction and antibacterial test of total flavonoids from various producing areas were carried out. Results: The optimum extraction process of total flavonoids …
Study On Anti-Fatigue Activities Of Chick-Pea Oligopeptides, Jia Qian-Sheng, Liu Yuan-Yang, Li Dan
Study On Anti-Fatigue Activities Of Chick-Pea Oligopeptides, Jia Qian-Sheng, Liu Yuan-Yang, Li Dan
Food and Machinery
Objective:The purpose of this study was to explore the antioxidative activity in vitro experiments and the anti-fatigue activity of chickpea oligopeptides in mice. Methods:In this study, the antioxidant capacity of chickpea oligopeptide was detected by in vitro method, and the anti-fatigue capacity of chickpea oligopeptide was comprehensively evaluated by detecting physiological and biochemical indexes of mice. Results:The superoxide anion radical scavenging ability IC50of chickpea oligopeptide was 4.26 mg/mL, which was significantly higher than that of GSH positive control group (P＜0.05); The reducing power of chickpea oligopeptide was significantly higher than that of GSH positive control …
Effect Of Ethephon Ripening And Peeling On Quality Of Fresh Walnut During Freezing Storage, Wu Xiao-Hua, Chen Bai, Li Ming-Ze, Zhang Rui, Feng Ji-Hu
Effect Of Ethephon Ripening And Peeling On Quality Of Fresh Walnut During Freezing Storage, Wu Xiao-Hua, Chen Bai, Li Ming-Ze, Zhang Rui, Feng Ji-Hu
Food and Machinery
Objective:To evaluate the feasibility of the production of ethephon in the freezing thawing and fresh keeping of fresh walnut, and to provide theoretical basis and technical support for fresh walnut freezing thawing and fresh keeping technology system. Methods:The late fruiting walnut variety 'Qingxiang' from Longnan county of Gansu province was used as the experimental material, and then the green walnut was picked by hand and then peeled by Ethephon. Meanwhile, the artificial peeling was used as the control (CK). The fresh walnut was peeled and stored in a constant temperature freezer with temperature of -7~-5 ℃ and humidity …
Changes Of Physicochemical Properties Of Rice Glutelin Fibril Aggregates During Storage, Huang Hui, Wang Chuan-Yang, Li Shi-Chao, Yu Jian, Wang Fa-Xiang, Liu Yong-Le, Li Xiang-Hong
Changes Of Physicochemical Properties Of Rice Glutelin Fibril Aggregates During Storage, Huang Hui, Wang Chuan-Yang, Li Shi-Chao, Yu Jian, Wang Fa-Xiang, Liu Yong-Le, Li Xiang-Hong
Food and Machinery
Objective:To explore the relationship between functional properties of rice glutelin fibril aggregates (RGFAs) solution formed by different storage and heating time.Methods:The RGFAs samples were prepared by heating rice glutelin (RG) at 85 ℃ and pH 2.0 for 2~15 h, and stored at 4 ℃ for 1 day and 4 days, respectively. The surface hydrophobicity, emulsifying property, shear viscosity of RGFAs samples as well as the gelatinization characteristics and hydrolysis rate of the mixture of RGFAs and starch were measured.Results:After storage at 4 ℃ for 4 days, the emulsifying properties were significantly improved. The surface hydrophobicity …
Microwave Coupled Hot-Air Drying Control Of Celery Stalks Based On Volatile Compounds Detection, Liu Xu, Song Chunfang
Microwave Coupled Hot-Air Drying Control Of Celery Stalks Based On Volatile Compounds Detection, Liu Xu, Song Chunfang
Food and Machinery
Objective:In order to preserve more volatile components of celery and reduce its moisture content. Methods:A hot-air coupled microwave drying system based on aroma detection was designed. An electronic nose (PEN3) was applied to detect volatile components, assisted with GC-MS to measure the specific content of volatile components. Based on constant temperature drying (50, 60, 70 and 80 ℃), sensor 7 and 9 were chosen for subsequent combined control. Results:Comparing with constant temperature drying, the combined control drying using volatile compounds detection could retain more volatile substances, and a good balance had been achieved between the quality of …
Path Planning Of Food Robot Based On Density Peak Clustering Parallel Sparrow Search Algorithm, Hao Jie, Tang Ye-Jian
Path Planning Of Food Robot Based On Density Peak Clustering Parallel Sparrow Search Algorithm, Hao Jie, Tang Ye-Jian
Food and Machinery
Objective:In order to improve the efficiency of multi-point moving path planning of food picking robot, a path planning method of food picking robot based on density peak clustering parallel sparrow search algorithm is proposed.Methods:The path planning model of food picking robot was established with the total moving distance, path smoothness between points and moving safety as the evaluation indexes. While ensuring the moving safety of the robot, the path smoothness was improved and the moving distance was reduced as much as possible. The density peak clustering sparrow search algorithm (DSSA) was designed, as the improved density peak …
Dynamic Target Grasping Method Of Food Production Line Based On Delta Robot, Bi Xian-Dong, Wang Zhen, Li Chao-Long
Dynamic Target Grasping Method Of Food Production Line Based On Delta Robot, Bi Xian-Dong, Wang Zhen, Li Chao-Long
Food and Machinery
Objective:In order to solve the problems of poor accuracy and low efficiency of delta robot in dynamic target grasping in current food production.Methods:A new dynamic target grasping method was proposed for the grasping control of delta robot in food production line. The dynamic position of the target was calculated through the offset of the conveyor belt and the feedback value of the encoder, and the grasping order of the target was optimized. The dynamic target was grasped by combining the door trajectory and the improved trapezoidal acceleration and deceleration algorithm. The control methods before and after optimization …
Food Sorting Delta Robot Positioning And Grasping Technology Based On Binocular Vision, Mi Xi-Feng, Shang Zhan-Lei, Fan Yuan-Yuan, Meng Xiao-Chuan
Food Sorting Delta Robot Positioning And Grasping Technology Based On Binocular Vision, Mi Xi-Feng, Shang Zhan-Lei, Fan Yuan-Yuan, Meng Xiao-Chuan
Food and Machinery
Objective:Solve the problems of poor positioning accuracy and low grasping success rate of the Delta robot in food sorting, and improve the robot's flexible grasping ability.Methods:Based on the existing binocular vision and delta robot technology, a flexible grasping method of delta robot based on binocular vision was proposed. Zhang Zhengyou calibration method was used to calibrate the camera, the target was identified and located by Hough transform at the chord midpoint, and the delta robot was controlled to grasp the dynamic target according to PID tracking and grasping. The feasibility of this method was verified by analyzing …
Design Of Thermal Defect Detection System For Food Storage Room Based On Robotic Arm, Ma Zhi-Yan, Li Ao-Xiang, Duan Yu-Fei, Li Jiang-Hua
Design Of Thermal Defect Detection System For Food Storage Room Based On Robotic Arm, Ma Zhi-Yan, Li Ao-Xiang, Duan Yu-Fei, Li Jiang-Hua
Food and Machinery
Objective:To improve the defect detection efficiency of the enclosure structure of food storage devices.Methods:A robotic arm inspection trolley based on host computer control was proposed. The acquisition path was planned according to the area of the enclosure structure. The improved Ostu image segmentation method was used to analyze the acquired thermal infrared images and output the "defect" parts. Size and position coordinates, and finally verify the effectiveness of the detection through the defect detection rate and false detection rate.Results: The detection mechanism can completely scan and collect thermal infrared images of the enclosure structure of food …
New Model Of Functional Food Research And Development: Flexible And Precise Nutrition Intervention System, Zhou Dan, Zheng Jian-Xian, Huang Shou-En
New Model Of Functional Food Research And Development: Flexible And Precise Nutrition Intervention System, Zhou Dan, Zheng Jian-Xian, Huang Shou-En
Food and Machinery
Based on the scientific theory of modern nutrition and functional food science, this paper uses biotechnology and information digital technology to establish a more precise, flexible, integrated and digital functional food research and development system-flexible precise nutrition intervention system (FPNIS) which improves the shortcomings of the two common functional food research and development models that are based on traditional Chinese herbal medicines or simple ingredient dietary supplements. Through the establishment of FPNIS, provide a new way to explore the research and development of efficient and precise functional food, and analyze its trend.
Status And Prospects Of Traditional Health Food Therapy Industry Development, Xiao Jian-Cai, Liu Jian-Gong, Zhao Zi-He, Yan Bin-Bin, Zhang Yan, Yang Jian
Status And Prospects Of Traditional Health Food Therapy Industry Development, Xiao Jian-Cai, Liu Jian-Gong, Zhao Zi-He, Yan Bin-Bin, Zhang Yan, Yang Jian
Food and Machinery
From the perspective of the development of traditional health food therapy industry, this report illustrates the important position and significance of food therapy industry in the implementation of the general health strategy, outlines the results of product research in the therapeutic food industry, introduces the development effectiveness of food therapy industry in the world, which makes an analysis of the global food therapy market, especially in China, including industry data, market competition mode, supply and demand analysis. Finally, based on the above-mentioned industrial development analysis results, some prediction analysis and development suggestions are proposed.
Research Progress On The Effect Of Biological And Non-Thermal Processing On The Content Of Phenolic Compounds And Antioxidant Activity In Cereals And Miscellaneous Beans, Ma Zhan-Qian, Zhai Xiao-Tong, Tan Bin
Research Progress On The Effect Of Biological And Non-Thermal Processing On The Content Of Phenolic Compounds And Antioxidant Activity In Cereals And Miscellaneous Beans, Ma Zhan-Qian, Zhai Xiao-Tong, Tan Bin
Food and Machinery
Bioprocessing and non-thermal processing can improve the quality of cereals and miscellaneous beans, which significantly increase the content of phenols and antioxidant activities. This study systematically reviewed the effects of bioprocessing and non-thermal processing on phenolic compounds and antioxidant activities of cereal and soybean, and prospected the key research ideas for further development of cereal and soybean processing.
Comparative Study On Protein And Frying Characteristics Of Three Surimi, He Li, Li Xi-Mao, Hu Bing-Yue, Xie Dong-Fei, Hu Xiu-Ting, Luo Shun-Jing
Comparative Study On Protein And Frying Characteristics Of Three Surimi, He Li, Li Xi-Mao, Hu Bing-Yue, Xie Dong-Fei, Hu Xiu-Ting, Luo Shun-Jing
Food and Machinery
Objective:The objective of this study isto investigatethe protein and frying characteristics of grass carp, silver carp and pangasius fish surimi. Methods:The frying characteristics of surimi were characterized by measuring porosity, hardness, and water absorption rate, and the dynamic rheological properties, foam stability and SDS-PAGE of surimi were measured to explore its influencing mechanism. Results:Compared with grass carp fish balls and silver carp fish balls, pangasius fish balls had loose tissue, large pores, highest porosity, lowest hardness, and highest water absorption rate. In addition, the gel strength of pasteurized fish surimi was much higher than that of silver …
Selenium Amino Acids Speciation In Selenium-Enriched Agricultural Products And Their Distribution In Different Protein Components, Liu Wei, Yin Jin-Jing, Wu Mu-Ci, Yang Ning, He Jing-Ren, Zhang Rui
Selenium Amino Acids Speciation In Selenium-Enriched Agricultural Products And Their Distribution In Different Protein Components, Liu Wei, Yin Jin-Jing, Wu Mu-Ci, Yang Ning, He Jing-Ren, Zhang Rui
Food and Machinery
Objective:This study aimed to explore the distribution and speciation of selenium amino acids in different solubilized proteins of selenium-enriched broccoli, soybean, corn and barley seedlings.Methods:The contents of selenomethionine, selenocysteine, methylselenocysteine and selenethionine in four selenium-enriched cereals and cruciferous agricultural products were determined by high performance liquid chromatography-hydride generation-atomic fluorescence spectrometry. Moreover, the distribution characteristics of each selenium amino acid in albumin, globulin, gliadin and glutelin with different solubilized proteins were analyzed.Results:The content and distribution of selenium amino acids of the four selenium-enriched plants in different protein components were significantly different (P＜0.05). SeMet was …
Effects Of Different Drying Methods On The Reconstituability Of Kudzu Powder-Fatty Acid Complexes, Zhang Zhi-Lin, Zhang Xuan, Xu Yuan-Rui, Luo Shun-Jing, Liu Cheng-Mei
Effects Of Different Drying Methods On The Reconstituability Of Kudzu Powder-Fatty Acid Complexes, Zhang Zhi-Lin, Zhang Xuan, Xu Yuan-Rui, Luo Shun-Jing, Liu Cheng-Mei
Food and Machinery
Objective:This study aimed to improve the reconstituability of kudzu powder.Methods:The kudzu powder-fatty acid complexes were prepared by different drying methods after co-gelatinization of kudzu powder with lauric acid, and investigated the effects of drying methods on the instant properties of the complexes from the changes of crystal structure, microstructure, bulk density, water absorption index and swelling power.Results: The drying method influenced the water absorption capacity of the complexes, there by affected the reconstituability of the complexes. Compared with oven drying and far-infrared drying, the complexes prepared by spray drying and freeze-drying had lower bulk density, more …
Effects Of Dehydration Methods On The Volatile Components Of Lemon Slices With Gc-Ims, Ding Sheng-Hua, Zhang Da-Li, Luo Yao-Hua, Li Xiang, Fu Fu-Hua
Effects Of Dehydration Methods On The Volatile Components Of Lemon Slices With Gc-Ims, Ding Sheng-Hua, Zhang Da-Li, Luo Yao-Hua, Li Xiang, Fu Fu-Hua
Food and Machinery
Objective:In order to investigate the effects of freeze drying (FD), air drying (AD), infrared drying (IRD) and vacuum drying (VD) on volatile components content of lemon slices.Methods:Gas chromatography-ion mobility spectroscopy (GC-IMS) was used in this study, and the principal components analysis was performed to analyze the volatile components of lemon slices exposed to different drying methods.Results:72 kinds of volatile components were detected in fresh lemon slices treated with FD, AD, IRD and VD, and their contents were different in the slices treated with FD, AD, IRD and VD, which influenced the flavor of lemon slices., …
The Effect Of Drying Method On The Physical And Chemical Properties And Antioxidant Activity Of Extruded Wheat Bran, Wu Fan, Wang Zhan, Zhou Jian, Shen Wang-Yang, Jia Xi-Wu
The Effect Of Drying Method On The Physical And Chemical Properties And Antioxidant Activity Of Extruded Wheat Bran, Wu Fan, Wang Zhan, Zhou Jian, Shen Wang-Yang, Jia Xi-Wu
Food and Machinery
Objective:Using wheat bran as raw material, the extruded bran is obtained by extrusion stabilization treatment, and the best drying method for extruded bran is determined.Methods:The effects of three drying methods (fluidized bed drying, microwave drying, hot air drying) were studied on the basic components of extruded bran, water holding capacity, water solubility, swelling power, oil holding power, color value and other physical and chemical properties, oxidation resistance, total phenols and total flavonoids; Using antioxidant, total phenols and total flavonoids as indicators to determine the best drying method for extruded bran.Results:The three drying methods have no …
Degradation Of Organic Pollutants Using A Photo-Enzymatic Cascade Process, Yu Xiao-Min, Pan Dai-Qing, Long Qing-Yun, Chen Xiao-Yang
Degradation Of Organic Pollutants Using A Photo-Enzymatic Cascade Process, Yu Xiao-Min, Pan Dai-Qing, Long Qing-Yun, Chen Xiao-Yang
Food and Machinery
Objective:A strategy of degrading organic pollutants using a photo-enzymatic cascade process was established, to avoid the problem caused by the use of H2O2 as oxidant in peroxidase-catalyzed reaction.Methods:After screening of photosensitizer, reaction pH and temperature, phenols and azo dyes can be degraded efficiently herein, by a combination of photo-catalytic H2O2 generation in situ and peroxidase-catalyzed oxidation.Results: 8 organic pollutions in different structure can be degraded with good to excellent degradation rate within 40 minutes. Moreover, the mechanism of this degradation process was proposed.Conclusion: Compared with classic methods of degrading organic pollutants, this photo-enzymatic cascade process …
Determination Of Pantothenic Acid In Infant Milk Powder By Microbiological Method, He Yan, Zhong Fei-Fei, Wang Xiao-Qing, Xu Wen-Yang, Yang Tao
Determination Of Pantothenic Acid In Infant Milk Powder By Microbiological Method, He Yan, Zhong Fei-Fei, Wang Xiao-Qing, Xu Wen-Yang, Yang Tao
Food and Machinery
Objective:This study aimed to optimize the determination conditions of pantothenic acid content in infant milk powder by microbiological method and provide test data for the subsequent revision of the national standard method for pantothenic acid detection.Methods:The issues covering the determination of pantothenic acid by the national standard method were analyzed, and the key steps in the detection process, including bacterial solution preparation, pretreatment, and absorbance determination, were emphatically studied.Results:Lactobacillus plantarum from ATCC and CICC can be used to determine pantothenic acid. The best results were obtained by directly inoculating 80% bacterial solution concentration into the …
Uncertainty Evaluation On Determination Of Statins In Health Food By Gas Chromatography Mass Spectrometry (Gc-Ms), Zhang Li-Xia, Guo Qing-Yuan, Hua Qi-Cheng, Li Xiang-Mei
Uncertainty Evaluation On Determination Of Statins In Health Food By Gas Chromatography Mass Spectrometry (Gc-Ms), Zhang Li-Xia, Guo Qing-Yuan, Hua Qi-Cheng, Li Xiang-Mei
Food and Machinery
Objective:In presence of measurement uncertainty evaluation, the detection methods, with water-sodium chloride pretreatment, for health food was evaluated.Methods:A mathematical model was established to analysis of uncertainty sources. Then the individual components of uncertainty were evaluated. Finally, the combined uncertainty and extended uncertainty were calculated.Results:The uncertainty caused by several factors, including the fitting of the standard curve, the preparation of solution and standard, the repeatability of measurement, and the weigh of sample.The contents of mevastatin, lovastatin and simvastatin were 0.099 2, 0.101 0, 0.099 5 mg/kg in health foods, respectively. The relative combined standard uncertainties were …
Evaluation Of Uncertainty In The Determination Of Acid Scarlet Gr In Orange Juice By High Performance Liquid Chromatography, Yuan Yuan, Zeng Hui, Xiao Yan, Yang Li-Xia, Cui Xiao-Jiao, Yang Yun, Wu Hou-Lu
Evaluation Of Uncertainty In The Determination Of Acid Scarlet Gr In Orange Juice By High Performance Liquid Chromatography, Yuan Yuan, Zeng Hui, Xiao Yan, Yang Li-Xia, Cui Xiao-Jiao, Yang Yun, Wu Hou-Lu
Food and Machinery
Objective:The uncertainty of the determination of acid scarlet GR in orange juice by high performance liquid chromatography (HPLC) was evaluated. The source of uncertainty and the key factors affecting the test results were analyzed, so as to improve the accuracy of the test results.Methods:The mathematical model of uncertainty of acid scarlet GR content in orange juice was established. The factors that may introduce uncertainty in the detection process were analyzed, and the uncertainty components were evaluated.Results:The content of acid scarlet GR in self-made positive orange juice was 1.46 mg/kg, the expanded uncertainty was 0.11 mg/kg …
The Protection Effect Of Dihydromyricetin And Its Acylated Derivatives On Oxidative Damage Of Hepatocytes, Du Bao-Shuang, Chen Shang-Wei, Li Yue, Zhu Song
The Protection Effect Of Dihydromyricetin And Its Acylated Derivatives On Oxidative Damage Of Hepatocytes, Du Bao-Shuang, Chen Shang-Wei, Li Yue, Zhu Song
Food and Machinery
Objective:This study aimed to investigate the protective effect of dihydromyricetin (DHM) and its derivatives on oxidative damage of hepatocytes.Methods:The hydrogen peroxide damage model of L02 cells was established. DHM derivatives with different lipophilicity were obtained by enzymatic acylation of DHM. The levels of reactive oxygen species (ROS), lactate dehydrogenase (LDH), malondialdehyde (MDA), catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GSH-PX), and mitochondrial membrane potential and Caspase 3 were measured to evaluate the protective effect of DHM and its derivatives on damaged hepatocytes.Results:Except for 3-O-lauroyl-DHM, the level of reactive oxygen species (ROS) the release of lactate …
Analysis Of Volatile Components Of Fermented And Soaked Bayberry Wine, Lu Jin-Hua, Xie Ding, Xian Ling-Zhi
Analysis Of Volatile Components Of Fermented And Soaked Bayberry Wine, Lu Jin-Hua, Xie Ding, Xian Ling-Zhi
Food and Machinery
Objective:Differences in the composition of volatile substances in bayberry wine were used to distinguish the process of making bayberry wine.Methods:Two different processes of fermentation and soaking were used to prepare bayberry wine, and gas chromatography-ion mobility chromatography was used to analyze the volatile components of the two bayberry wines qualitatively and quantitatively.Results:A total of 59 kinds of volatile substances were detected and characterized in the two bayberry wines, including 18 alcohols, 19 esters, 9 aldehydes, 6 ketones, and 3 pyrazines and their derivatives, 1 acid, 3 others. The alcohols in fermented bayberry wine were more …