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Articles 1231 - 1260 of 5782

Full-Text Articles in Food Processing

Isolation And Identification Of Chlorate-Reducing Hafnia Sp. From Milk, William P. Mccarthy, Meghana Srinivas, Martin Danaher, Christine O'Connor, Tom F. O'Callaghan, Douwe Van Sinderen, John Kenny, John T. Tobin Jan 2023

Isolation And Identification Of Chlorate-Reducing Hafnia Sp. From Milk, William P. Mccarthy, Meghana Srinivas, Martin Danaher, Christine O'Connor, Tom F. O'Callaghan, Douwe Van Sinderen, John Kenny, John T. Tobin

Articles

Chlorate has become a concern in the food and beverage sector, related to chlorine sanitizers in industrial food production and water treatment. It is of particular concern to regulatory bodies due to the negative health effects of chlorate exposure. This study investigated the fate of chlorate in raw milk and isolated bacterial strains of interest responsible for chlorate breakdown. Unpasteurized milk was demonstrated to have a chlorate-reducing capacity, breaking down enriched chlorate to undetectable levels in 11 days. Further enrichment and isolation using conditions specific to chlorate-reducing bacteria successfully isolated three distinct strains of Hafnia paralvei . Chlorate-reducing bacteria were …

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Applying Hermetic Storage And Multiple Abiotic-Stressed Germinations To Actuate Desirable Effects In Wheat Phytochemistry, Food, And Biological Functionalities, Bababode Kehinde Jan 2023

Applying Hermetic Storage And Multiple Abiotic-Stressed Germinations To Actuate Desirable Effects In Wheat Phytochemistry, Food, And Biological Functionalities, Bababode Kehinde

Theses and Dissertations--Biosystems and Agricultural Engineering

Wheat is one of the most widely consumed staple foods in the world, supplying both nutritional and caloric requirements for billions of people. The rising global population and increased food demand behooves all stakeholders across the wheat supply chain to significantly increase their output and efficiency. Beyond the target for increased farm yields, dietary, nutritional, and health requirements along with their continuous supply must be satisfied with improved storage and processing schemes. Post-harvest changes in wheat can result in a significant reduction in its quality. Such losses could be qualitative and/or quantitative, impacting its physical, physiological, organoleptic, and nutritional attributes. …

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Krill Protein Fortified Extrudates: A Pilot Study, Avery S. Fleeharty Jan 2023

Krill Protein Fortified Extrudates: A Pilot Study, Avery S. Fleeharty

Graduate Theses, Dissertations, and Problem Reports (ETD)

Antarctic krill (Euphausiacea superba) is an abundant and sustainable but underutilized natural resource with well-studied protein isolation methodology using Isoelectric solubilization-precipitation (ISP). The resulting krill protein isolate (KPI) has high yield and sufficient impurity removal in addition to desirable nutritional and functional properties but has yet to be used in food systems. Extrusion is a versatile and scalable food processing method with many benefits; thus, the aim of this study was to determine the impact of KPI as an additive in extrusion processing with the eventual goal of introducing it to human and animal food systems. KPI was …

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Evaluation Of Welded And Polished Stainless-Steel Surfaces In Supporting Sporeformer Biofilms In Dairy Plants, Taghreed Almalki Jan 2023

Evaluation Of Welded And Polished Stainless-Steel Surfaces In Supporting Sporeformer Biofilms In Dairy Plants, Taghreed Almalki

Electronic Theses and Dissertations

No abstract provided.

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Biodiversity Of Philippine Marine Fishes: A Dna Barcode Reference Library Based On Voucher Specimens, Katherine E. Bemis, Matthew G. Girard, Mudjekeewis D. Santos, Kent E. Carpenter, Jonathan R. Deeds, Diane E. Pitassy, Nicko Amor L. Flores, Elizabeth S. Hunter, Amy C. Driskell, Kenneth S. Macdonald Iii, Lee A. Weigt, Jeffrey T. Williams Jan 2023

Biodiversity Of Philippine Marine Fishes: A Dna Barcode Reference Library Based On Voucher Specimens, Katherine E. Bemis, Matthew G. Girard, Mudjekeewis D. Santos, Kent E. Carpenter, Jonathan R. Deeds, Diane E. Pitassy, Nicko Amor L. Flores, Elizabeth S. Hunter, Amy C. Driskell, Kenneth S. Macdonald Iii, Lee A. Weigt, Jeffrey T. Williams

Biological Sciences Faculty Publications

Accurate identification of fishes is essential for understanding their biology and to ensure food safety for consumers. DNA barcoding is an important tool because it can verify identifications of both whole and processed fishes that have had key morphological characters removed (e.g., filets, fish meal); however, DNA reference libraries are incomplete, and public repositories for sequence data contain incorrectly identified sequences. During a nine-year sampling program in the Philippines, a global biodiversity hotspot for marine fishes, we developed a verified reference library of cytochrome c oxidase subunit I (COI) sequences for 2,525 specimens representing 984 species. Specimens were primarily purchased …

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Ultrasound-Based Structural And Functional Modifications Of Oat Protein: Complementary Effects Of High Pressure, Cysteine, And Flavonoids, Runnan Li Jan 2023

Ultrasound-Based Structural And Functional Modifications Of Oat Protein: Complementary Effects Of High Pressure, Cysteine, And Flavonoids, Runnan Li

Theses and Dissertations--Animal and Food Sciences

Oat (Avena sativa L.), a specialty cereal grain belonging to the Poaceae family, is relatively abundant in nutritious protein (12–20%) and dietary fiber (β-glucan). The balanced hydrophilic/hydrophobic amino acid profile in oat protein relative to other plant sources provides numerous possibilities for formulating oat protein isolate (OPI) into a wide range of food products. Yet, there has been limited research on OPI and the application of this valuable protein source is hampered by its low solubility at neutral and mildly acidic conditions. This dissertation research aimed to elucidate the efficacy of high-intensity ultrasound (HIU) for structural modification of OPI …

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Impacts Of Temperature And Salt Concentrations For Thermal Inactivation Of Salmonella In Moisture Enhanced Reconstructed Chicken Patties, Alik D. Browning Jan 2023

Impacts Of Temperature And Salt Concentrations For Thermal Inactivation Of Salmonella In Moisture Enhanced Reconstructed Chicken Patties, Alik D. Browning

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this experiment is to determine the thermal kinetic parameters of Salmonella in moisture-enhanced, reconstructed ground chicken patties as affected by temperatures and salt concentrations. Salmonella is responsible for 35% of the foodborne illnesses associated with poultry products (Batz et al., 2011). Nonintact reconstructed chicken meat is mixed with brine solutions containing various salt and polyphosphate concentrations to increase water-holding capacity, decrease cooking losses, improve sensory tasting scores, and maintain the good quality of completed chicken products (Gill et al., 2004). Increasing salt concentrations within meats can increase the thermal inactivation of pathogens. In this study, Salmonella Typhimurium …

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Research Progress Of Food 3d Printing Technology At Home And Abroad Based On Bibliometrics, Li Chun-Li, Tang Tian-Tian, Zhang Min Dec 2022

Research Progress Of Food 3d Printing Technology At Home And Abroad Based On Bibliometrics, Li Chun-Li, Tang Tian-Tian, Zhang Min

Food and Machinery

This paper analyzes the related research papers on food printing published on the Web of Science core collection and CNKI database by using bibliometrics, and finds that the number of articles published and the citation frequency of 3D printed articles on food in China and abroad are increasing year by year. China, Australia and the United States are the countries with the highest number of articles published and cited, but from the point of view of the single citation frequency of articles, the quality of articles in China still needs to be improved. The team led by Zhang M, Bhandari …

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Evaluation Of The Effect Of Kiwifruit Cultivars On The Quality Of Kiwifruit Chips, An Chuan-Hui, Huang Wen-Jun, Zhong Cai-Hong, He Jian-Jun, Chen Xue-Ling, Zhang Qi Dec 2022

Evaluation Of The Effect Of Kiwifruit Cultivars On The Quality Of Kiwifruit Chips, An Chuan-Hui, Huang Wen-Jun, Zhong Cai-Hong, He Jian-Jun, Chen Xue-Ling, Zhang Qi

Food and Machinery

Objective: The aim of this study was to analysis the effect of cultivars on the adaptability of kiwifruit processing to chips while six cultivars of kiwifruit were used as the raw material. Methods: Kiwifruit chips were prepared by the method of vacuum freeze-dried. Sensory evaluation and nine indexes such as the yield of kiwifruit chips, water-soluble pectin, acid-soluble pectin, soluble sugar, total acid content, sugar-acid ratio. ascorbic acid content, hardness and crispness of kiwifruit chips were analyzed. Results: There were significantly differences among yield, nutrient content and sensory indicators in kiwifruit chips while the kiwifruit chips were …

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Variation Of Ethyl Carbamate Content In The Brewing Process Of Strong-Flavour Liquor In Hunan Province, Huang Xiong-Wei, Li Wen-Xiang, Zeng Xian-Feng, Li Qing, Zhang Jian-Hui Dec 2022

Variation Of Ethyl Carbamate Content In The Brewing Process Of Strong-Flavour Liquor In Hunan Province, Huang Xiong-Wei, Li Wen-Xiang, Zeng Xian-Feng, Li Qing, Zhang Jian-Hui

Food and Machinery

Objective: This study aimed to improve the safety of the strong-flavour liquor in Hunan Province. Methods: The content of ethyl carbamate in raw grains, pit mud, distiller's grains, fermented grains and base liquor was detected by gas chromatography-mass spectrometry. Results: In each technological stage, the average concentration of ethyl carbamate in base liquor was the highest, and the significant test of EC content of head liquor and tail liquor P ＜0.05, there was a significant difference between the two, and the head liquor was higher than the tail liquor. The significance test P values of EC content …

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Salting-Out Assisted Liquid-Liquid Extraction Coupled With Hplc-Ms/Ms For Determination Of 13 Kinds Of Bisphenols And Alkyl Phenol Compounds In Liquid Dairy Products, Jiang Kan, Zhang Hui, Cao Hui, Wang Jin, Zhou Xue-Jun, Li Xiao-Yan Dec 2022

Salting-Out Assisted Liquid-Liquid Extraction Coupled With Hplc-Ms/Ms For Determination Of 13 Kinds Of Bisphenols And Alkyl Phenol Compounds In Liquid Dairy Products, Jiang Kan, Zhang Hui, Cao Hui, Wang Jin, Zhou Xue-Jun, Li Xiao-Yan

Food and Machinery

Objective: An analytical method was established for determination of 13 kinds of bisphenols and alkylphenol compounds in liquid dairy products by salting-out-assisted liquid-liquid extraction coupled with HPLC-MS/MS. Methods: The salting-out-assisted liquid-liquid extraction pre-treatment method was adopted, and the detection was performed in the mode of negative ion source multiple reaction monitoring (MRM) by triple quadrupole mass spectrometry, and quantitative analysis was performed by matrix external standard method. Besides, the effect of extraction solvent type, selection and the usage of salting-out agents on the recoveries were studied and the performance of the method was evaluated. Results: The liquid …

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Rapid Screening Of 57 Illegally Added Drugs For Uric Acid Lowering Medicinal And Edible Food By Modified Quechers Technology, Qi Yan, Xu Qing-Peng, Li Cong, Deng Xing-Fei, Li Jin-Qing Dec 2022

Rapid Screening Of 57 Illegally Added Drugs For Uric Acid Lowering Medicinal And Edible Food By Modified Quechers Technology, Qi Yan, Xu Qing-Peng, Li Cong, Deng Xing-Fei, Li Jin-Qing

Food and Machinery

Objective: This study aimed to establish a rapid screening method for 57 drugs illegally added to medicinal and edible food. Methods: Extracted samples were purified by QuEhERS pretreatment technology, and 57 kinds of illegal addition of drugs were separated by Waters BEH C18 column. Acetonitrile-water was used as a mobile phase for gradient elution. Mass spectrometry electrospray and multiple reaction monitoring (MRM) were used for detection and analysis. Results: The established method had good linearity, and the correlation coefficients (R2) of 57 kinds of illegal addition of drugs were all greater than 0.99. The limits of detection …

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Determination Of Eight Kinds Of Insecticides In Dairy Products By Dispersed Solid Phase Extraction-Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry, Yan Wan-Ying, He Min-Heng, Wen Heng, Liu Zhi-Peng, Yu Zhi-Cong Dec 2022

Determination Of Eight Kinds Of Insecticides In Dairy Products By Dispersed Solid Phase Extraction-Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry, Yan Wan-Ying, He Min-Heng, Wen Heng, Liu Zhi-Peng, Yu Zhi-Cong

Food and Machinery

Objective: To detect eight kinds of insecticides in dairy products (pure milk, fermented milk, milk powder) rapidly. Methods: A high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method based on dispersive solid phase extraction pre-treatment technology was established. The samples were extracted with acetonitrile-acetone solution (Vacetonitrile∶Vacetone=80∶20) in ultrasonic way, and the extraction solution was purified by Florisil, primary secondary amine and anhydrous MgSO4.After purification, the samples were analyzed by HPLC-MS/MS qualitatively and quantitatively in multi reaction monitoring (MRM) mode. Results: The correlation coefficient (r) of fenamiphos, imidacloprid, spinosad, dinotefuran, emamectin benzoate, methomyl, …

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Preparation Of Matrix Reference Material Of Amino- Mebendazole In Eel Muscle Powder, Luo Chun-Lian Dec 2022

Preparation Of Matrix Reference Material Of Amino- Mebendazole In Eel Muscle Powder, Luo Chun-Lian

Food and Machinery

Objective: A method for the preparation and determination of amino-mebendazole matrix reference material in eel muscle powder was established. Methods: A positive sample was obtained by culturing eels with mebendazole and was prepared into amino-mebendazole matrix reference material, which went through freeze-drying, vacuum packaging, and radiation sterilization in turn. And its homogeneity, stability, cooperative setting value, and uncertainty were examined. Results: This matrix reference material has good uniformity and can adapt to low temperatures, normal temperatures, long-distance transportation, and other environments. It can be stored for more than 12 months under -18 ℃. The characteristic value of …

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Identification Of The Age Of Baijiu Based On Two-Dimensional Correlation Near Infrared Spectroscopy, Zhou Tao, Zhang Zhi-Yong, Han Ning, Gao Wei, Jia Li-Yan Dec 2022

Identification Of The Age Of Baijiu Based On Two-Dimensional Correlation Near Infrared Spectroscopy, Zhou Tao, Zhang Zhi-Yong, Han Ning, Gao Wei, Jia Li-Yan

Food and Machinery

Objective: To avoid young liquor as old liquor and realize the discrimination of Baijiu age. Methods: The near infrared transmission spectra of Baijiu samples were collected by near infrared spectrometer, and the synchronous and asynchronous two-dimensional correlation spectra of Baijiu samples were constructed with the wine age as the external disturbance. On this basis, the autocorrelation spectrum of each sample was extracted, and the age discrimination model of Baijiu was established by combining Markov distance method. Results: The wave band from 1400 nm to 1800 nm contained the effective information about the changes of Baijiu samples on …

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Quality And Safety Analysis And Supervisory Suggestion Of Sampling Inspection Of Vegetables Sold In Shanghai From 2019 To 2021, Jin Qi-Qi, Chen Lei, Zhou Jing, Bai Bing Dec 2022

Quality And Safety Analysis And Supervisory Suggestion Of Sampling Inspection Of Vegetables Sold In Shanghai From 2019 To 2021, Jin Qi-Qi, Chen Lei, Zhou Jing, Bai Bing

Food and Machinery

Objective: Understand the quality and safety of vegetables sold in Shanghai, and provide data and reference for future supervision. Methods: Public information on the supervision and sampling of vegetables by the Shanghai Market Supervision and Administration from 2019 to 2021 was collected, and the information was analyzed and summarized. Results: The statistical results of 2019—2021 show that the unqualified rate of vegetable products were 1.36%, 0.78% and 2.88%, respectively. Bulb vegetables, beans and leafy vegetables were found to be unqualified products within three years, and the unqualified rate of bulb vegetables was the highest. The main substandard …

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Research On The Innovation Mechanism Of Online Food Safety Supervision From The Perspective Of Holistic Governance, Li Xi Dec 2022

Research On The Innovation Mechanism Of Online Food Safety Supervision From The Perspective Of Holistic Governance, Li Xi

Food and Machinery

Holistic governance theory is a new type of public management strategy, which helps to provide citizens with a seamless and non-separated holistic service governance scheme, and provides new ideas for food safety supervision. Based on the theory of holistic governance, this article proposes three levels of online food safety supervision, from the perspective of the integrity of supervision implementation to reconstruct the execution network, the integrity of the supervision body to reconfigure of the participating network, the integrity of the supervision accountability to reshape of the power and responsibility system.

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Intelligent Control Method Of End Effector Of Food Sorting Robot Based On Improved Inversion Control, Wei Shu-Cheng, Mo Guo-Zhi Dec 2022

Intelligent Control Method Of End Effector Of Food Sorting Robot Based On Improved Inversion Control, Wei Shu-Cheng, Mo Guo-Zhi

Food and Machinery

Objective: Solve the problems of poor positioning accuracy and low efficiency of end effectors in the sorting process of parallel food sorting robots. Methods: An intelligent control of the end-effector of a parallel food sorting robot combining fuzzy system, fuzzy neural network and inverse control algorithm was proposed. The modeling information was approximated by the fuzzy system, the unmodeled information was approximated and predicted by the fuzzy neural network, and the inversion control completed the control output. Finally, the experimental verification is carried out. Results: Compared with the traditional control method, the proposed control method had good …

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Localization And Counting Of String Tomatoes Based On Improved Tiny-Yolov5l Algorithm, Zhao Jiu-Xiao, Zhang Xin, Shi Kai-Li, Li Jing-Jing, Li Zuo-Lin Dec 2022

Localization And Counting Of String Tomatoes Based On Improved Tiny-Yolov5l Algorithm, Zhao Jiu-Xiao, Zhang Xin, Shi Kai-Li, Li Jing-Jing, Li Zuo-Lin

Food and Machinery

Objective: This study is to improve the sorting efficiency of string tomatoes, and solve its false detection and false detection. Methods: First, collect the image data set of string tomatoes, expand the data and improve the generalization performance of the model through data enhancement, and 3×3 convolution is replaced by improved SVM-MHSA layer. By replacing softmax classification function in MHSA with SVM classification function which is more suitable for string tomatoes, the detection accuracy of string tomatoes is enhanced. Secondly, the remaining 3×3 convolution is replaced by deep separable convolution to reduce the number of parameters and improve …

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An Online Visual Detection And Identification Method For The Defective Of Qinqinchang, Dang Guo-Hui, Wang Yong-Qiang, Zhou Cong-Ling Dec 2022

An Online Visual Detection And Identification Method For The Defective Of Qinqinchang, Dang Guo-Hui, Wang Yong-Qiang, Zhou Cong-Ling

Food and Machinery

Objective: This study aimed to study the automatic detection method of common appearance defects in the production process of Qinqinchang. Methods: CMOS camera was used to obtain the image information of the product online, and image processing technology was used to extract the appearance defect features of the product and analyze the types of defects. Results: The accuracy rate of the online detection method for the common appearance defects of kissing intestines was 97.2%. Conclusion: The method is simple and has broad application prospect.

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Application Of Ceramic Container In Tea Packaging And Development Strategy Of Contemporary Design, Li Ling-Ling Dec 2022

Application Of Ceramic Container In Tea Packaging And Development Strategy Of Contemporary Design, Li Ling-Ling

Food and Machinery

Clarify the value of ceramic containers used in tea packaging from the development process, study the impact of contemporary consumer culture, industrialization and globalization on ceramic tea packaging containers, discuss the orientation and development strategy of contemporary ceramic containers design applied to tea packaging.

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Food Packaging Design Based On Network Public Welfare Communication, Huang Qiu-Chen Dec 2022

Food Packaging Design Based On Network Public Welfare Communication, Huang Qiu-Chen

Food and Machinery

On the basis of analyzing the development of the concept of public welfare packaging, taking the commercial practices of public welfare packaging as examples, the advantages, current situation and problems of food packaging participating in public welfare were analyzed. The design idea of food packaging based on network public welfare communication was put forward. Food public welfare packaging should follow the design principles of commonweal, simplicity, interactivity and communication, and promote the continuous innovation by integrating new media, new materials, new technologies and new contexts, in order to improve public welfare packaging to better serve the enterprise's public welfare communication, …

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Research On The Identification Of Mildew Maize Kernels Using Spectral Variables And Color Features Of Hyperspectral Images, Li Wei, Zhao Xue-Qing, Liu Qiang Dec 2022

Research On The Identification Of Mildew Maize Kernels Using Spectral Variables And Color Features Of Hyperspectral Images, Li Wei, Zhao Xue-Qing, Liu Qiang

Food and Machinery

Objective: To identify mildew maize kernels accurately. Methods: A novel method to identify mildew maize kernels using spectral variables and color characteristics of hyperspectral images. Firstly, image segmentation, spectral variables and color features extraction were carried out on maize kernel images. Then, color features of maize kernel images were utilized to generate color histograms. Additionally, spectral variables and color histogram features were combined into a feature set. Finally, the distance functions were used to analyze the features in this feature set to identify mildew maize kernels. Results: For the proposed method, the maximum average identification deviation and …

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Online Detection And Grading System For Citrus Full-Surface Color, Li Lang, Wen Tao, Dai Xing-Yong, Wang Zhi-Yu Dec 2022

Online Detection And Grading System For Citrus Full-Surface Color, Li Lang, Wen Tao, Dai Xing-Yong, Wang Zhi-Yu

Food and Machinery

Objective: This study aimed to realize the fast and accurate sorting of citrus color. Methods: An online color detection and grading system of citrus based on machine vision was designed in this study. The system is composed of feeding unit, chain conveying mechanism, image acquisition system and fruit dividing unit. The industrial camera which was combined with the rolling mechanism was used to uniformly capture 50~60 frames of images for obtaining the complete surface information of citrus. The non-destructive testing software preprocessed each frame of images acquired in real time to obtain the two-dimensional coloring ratio, which is …

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Water Content Detection Of Camellia Oleifera Seeds Based On Temperature Correction And Visible/Near Infrared Spectroscopy, Wang Zhi-Qiang, Li Da-Peng, Liu Qiang, Liao Shu-Huai, Yi Zong-Pei Dec 2022

Water Content Detection Of Camellia Oleifera Seeds Based On Temperature Correction And Visible/Near Infrared Spectroscopy, Wang Zhi-Qiang, Li Da-Peng, Liu Qiang, Liao Shu-Huai, Yi Zong-Pei

Food and Machinery

Objective: In order to solve the problem that temperature change during drying can detect the moisture content of Camellia oleifera seeds by visible/near infrared spectroscopy, a temperature modified Camellia oleifera seed moisture content detection model was proposed. Methods: Drying experiments were carried out at different temperatures (50,60,70 ℃) to collect spectral data. By acquiring the spectral data collected at different temperatures, the reasons why the temperature affected the spectrum were analyzed. Then, by comparing the three spectral preprocessing methods, using the Competitive Adaptive Reweighting(CARS)and Partial Least Squares Regression (PLSR) were used to establish the benchmark PLSR model at …

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Optimization Of Preparation Of Conjugated Linoleic Acid By Alkali Isomerization Of Peanut Oil, Shen Qiu-Yun, Peng Qing-Jing Dec 2022

Optimization Of Preparation Of Conjugated Linoleic Acid By Alkali Isomerization Of Peanut Oil, Shen Qiu-Yun, Peng Qing-Jing

Food and Machinery

Objective: To obtain a promising production technique of conjugated linoleic acid (CLA). Methods: The alkali isomerization was used to prepare CLA from peanut oil. The relative content of linoleic acid in peanut oil was determined, and the effects of reaction time, reaction temperature, ratio of alcohol to oil and KOH dosage on the conversion of CLA were investigated. The preparation conditions were optimized by Box-Behnken test. Results: The peanut oil was rich in linoleic acid with a relative content of 27.85%. Therefore, peanut oil was a good raw material for the preparation of CLA. For the conversion …

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Isolation, Purification And Identification Of Ace Inhibitory Peptide From Paramisgurnus Dabryanus Protein, Dong Jing-Qi, He Ze-He, Tian Gui-Fang, Shao Juan-Juan, Wu Xiao-He Dec 2022

Isolation, Purification And Identification Of Ace Inhibitory Peptide From Paramisgurnus Dabryanus Protein, Dong Jing-Qi, He Ze-He, Tian Gui-Fang, Shao Juan-Juan, Wu Xiao-He

Food and Machinery

Objective: This study aimed to develop ACE inhibitory peptide of Paramisgurnus dabryanus.Methods: Ultrafiltration, Sephadex G-15 and RP-HPLC were used to isolate and purify ACE inhibitory peptides from the proteolysis products of P.dabryanus,and their structures were analyzed by HPLC-MS/MS. The inhibitory mode of purified ACE inhibitory peptide was analyzed by inhibition kinetics. Results: The amino acid sequence of ACE inhibitory peptide was Glu-Gly-HIS, the relative molecular weight was 341.2 Da, the IC 50 value was (17.89±3.28)μg/mL, and the purification ratio was 27.47. Conclusion: The inhibitory peptide of P. dabryanus is a competitive ACE inhibitory peptide.

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Investigation And Research On The Demand And Attitude Of Different Peple To Gastrointestinal Healthy Food, Cui Wei, Liu Shuo, Zhu Di-Fan, Zhi Hai-Mei, Zhao A-Dan, Dai Zhi-Yong Dec 2022

Investigation And Research On The Demand And Attitude Of Different Peple To Gastrointestinal Healthy Food, Cui Wei, Liu Shuo, Zhu Di-Fan, Zhi Hai-Mei, Zhao A-Dan, Dai Zhi-Yong

Food and Machinery

Objective: This study amied to investigated the perspective of gastrointestinal (GI) health among consumers of all ages, and their demands on related dietary supplements. Methods: Questionnaires were randomly distributed through the Internet, and 148 consumers completed the questionnaire, including infants, children and teenagers (1~18 years old), adults (19~55 years old), and older adults (over 55 years old). The corresponding results were obtained from the data analyzed by SPSS. Results: Common GI issues affecting consumers include constipation, abdominal bloating and pain as well as diarrhea. Nearly half of consumers are very concerned about GI health. Unhealthy lifestyle habits …

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The Development Process, Implementation Characteristics And Experience Enlightenment Of Infant Food Education In Japan, Shi Gui-Hong, Feng Jiang-Ying Dec 2022

The Development Process, Implementation Characteristics And Experience Enlightenment Of Infant Food Education In Japan, Shi Gui-Hong, Feng Jiang-Ying

Food and Machinery

This paper systematically combs the development process and implementation characteristics of Japanese infants food education, and puts forward that China can establish a scientific and perfect Chinese infants food education system on the basis of learning from the mature experience of Japanese infants food education, starting from the creation of infants characteristic food education courses, strengthening the training of food education teachers, building a food education coordination mechanism, inheriting excellent food culture and improving food education laws and regulations.

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Multi-Objective And Multi-Subject Role Division In Japan’S Food Education Policy, Su Yu-Zhen, Xiao Han-Jie, Zhu Qiang, Hu Yang-Jia, Zhou Xi-Yan Dec 2022

Multi-Objective And Multi-Subject Role Division In Japan’S Food Education Policy, Su Yu-Zhen, Xiao Han-Jie, Zhu Qiang, Hu Yang-Jia, Zhou Xi-Yan

Food and Machinery

Based on literature analysis, this paper reviews the evolution path of Japan's food education policy and analyzes the content and purpose of the basic law of food education. Based on the perspectives of multiple objectives and multi-subject role division, the author summarizes the experience of Japan's food education policy promotion. Their experiences mainly include: clear division of labor between the central and local governments, central unification and respect for local autonomy. Food breeding roots from a young age; Diversified feeding action plans; Planning food education courses with characteristics.

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