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Articles 93931 - 93960 of 819219
Full-Text Articles in Entire DC Network
Ethics In Medical Research And Experimentation, Carlos Castañeda Guillot, Icler Sisalema Aguilar, Alex Valencia Herrera, Wilder Fabio Ramos Palacios
Ethics In Medical Research And Experimentation, Carlos Castañeda Guillot, Icler Sisalema Aguilar, Alex Valencia Herrera, Wilder Fabio Ramos Palacios
Neutrosophic Sets and Systems
No abstract provided.
Neutrosophic Sets And Systems {Special Issue: Neutrosophic Advancements And Their Impact On Research In Latin America}, Vol. 62, 2023, Florentin Smarandache, Mohamed Abdel-Basset, Maikel Leyva Vazquez, Said Broumi
Neutrosophic Sets And Systems {Special Issue: Neutrosophic Advancements And Their Impact On Research In Latin America}, Vol. 62, 2023, Florentin Smarandache, Mohamed Abdel-Basset, Maikel Leyva Vazquez, Said Broumi
Neutrosophic Sets and Systems
No abstract provided.
“Any”, James J. Brudney, Ethan J. Leib
“Any”, James J. Brudney, Ethan J. Leib
BYU Law Review
Our statute books use the word “any” ubiquitously in coverage and exclusion provisions. As any reader of the Supreme Court’s statutory interpretation docket would know, a large number of cases turn on the contested application of this so-called universal quantifier. It is hard to make sense of the jurisprudence of “any.” And any effort to offer a unified approach—knowing precisely when its scope is expansive (along the “literal-meaning” lines of “every” and “all”) or confining (having a contained domain related to properties provided by contextual cues)—is likely to fail. This Article examines legislative drafting manuals, surveys centuries of Court decisions, …
Balance In The Basin, Casey Lee Mcclellan
Balance In The Basin, Casey Lee Mcclellan
BYU Law Review
The National Environmental Policy Act (NEPA) changed the way land managers and users interact with public lands. However, its stringent requirements are not responsive to today’s environmental and economic realities. For the future of sustainable mineral extraction, there must be a better way. Adaptive management, a more flexible planning process, should be used on public lands to ensure greater leeway for operators, environmentalists, and local economies. By analyzing rural northeastern Utah’s Uinta Basin’s history and existing public land use plans, this Note applies adaptive management to the area to show how thinking outside the box can solve seemingly unsolvable problems.
Review On Therapeutic Potential Of Phytochemicals From Medicinal Plants, Iqra Afzal, Ume Habiba, Humaira Yasmeen
Review On Therapeutic Potential Of Phytochemicals From Medicinal Plants, Iqra Afzal, Ume Habiba, Humaira Yasmeen
Journal of Bioresource Management
Nature has provided plants with a vast range of phytochemicals. These phytochemicals are enriched with different pharmacological activities. These pharmacological activities have a potential to be wisely used for therapeutic purpose. It can be utilized in so many ways for the expansion of therapeutic strategies. With the advancement in the field of medicine and due to increasing side effects of synthetic medicines there emerges a need to discover novel therapeutic remedies. Medicinal plants serve as the best source for the manufacture of new remedies for many diseases. Medicinal plants bear a potential towards treating incurable chronic diseases. The aim of …
Hepatoprotective Effect Of Berberis Lycium In Αlpha-Naphthylisothiocyanate Induced Cholestatic Mouse Models, Shamaila Bashir, Hassan Hameed, Nida Irshad, Aqsa Ashraf, Muhammad Faizan, Saiyada Fatima Maida Halim, Hafiz M. Mazhar Asjad, Andleeb Batool, Imran Sohail
Hepatoprotective Effect Of Berberis Lycium In Αlpha-Naphthylisothiocyanate Induced Cholestatic Mouse Models, Shamaila Bashir, Hassan Hameed, Nida Irshad, Aqsa Ashraf, Muhammad Faizan, Saiyada Fatima Maida Halim, Hafiz M. Mazhar Asjad, Andleeb Batool, Imran Sohail
Journal of Bioresource Management
Cholestasis is characterized by the obstruction of bile flow from hepatocytes to the intestine. It results in accumulation of bile acids in the liver, which cause oxidative stress, inflammation, apoptosis, fibrosis, and cirrhosis. Till now, the treatment options against cholestasis are limited. Therefore, there is an utmost requirement to develop and evaluate the drugs with potential anti-cholestatic effects. In the current study, the drug-induced cholestasis mouse models were generated via oral administration of α-naphthylisothiocyanate (ANIT). The mice were placed into three groups of six animals each. Group I was the control group and was given saline. The cholestasis model Group …
Comprehensive Assessment Of Economic, Productive, Phenotypic, And Morphometric Traits In Azikheli Buffalo Breed Of Northern Pakistan, Nadar Khan, Bakhtawara Bibi, Tariq Ahmad, Salman Khan, Aamir Khan, Muhammad Ibrahim
Comprehensive Assessment Of Economic, Productive, Phenotypic, And Morphometric Traits In Azikheli Buffalo Breed Of Northern Pakistan, Nadar Khan, Bakhtawara Bibi, Tariq Ahmad, Salman Khan, Aamir Khan, Muhammad Ibrahim
Journal of Bioresource Management
The study was conducted to illuminate the phenotypic, morphometric, and productive characteristics of the Azikheli buffalo breed. One thousand two hundred pure Azikheli buffaloes (male: female) were randomly selected from the main hub of the Azikheli buffalo breed in Swat (Azikhel). The data were analyzed for comparison and frequency distribution. Phenotypic characteristic of the female buffalo shows that more than 73 % of the body color was golden yellowish. In contrast, in males, this value was 83 %, followed by white-albino and grayish colors. The shape of horns were semi sickle and grayish in color. Morphometric parameters of the breed …
Ethnobotanical Study Of Antihemorrhagic Plants In The Skikda Region (North East Of Algeria), Nabila Souilah, Hamdi Bendif, Abdelkrim Benaradj, Abdelouaheb Belaid, Scherazad Mekious
Ethnobotanical Study Of Antihemorrhagic Plants In The Skikda Region (North East Of Algeria), Nabila Souilah, Hamdi Bendif, Abdelkrim Benaradj, Abdelouaheb Belaid, Scherazad Mekious
Journal of Bioresource Management
Our survey was carried out at the level of 17 Municipalities of the Province of Skikda. Questionnaire sheets were distributed to 55 herbalists and 350 locale population (informants). The processing of survey data with the local population shows us that women (52 %) have more knowledge of phytotherapy compared to men (48 %) with a fairly high level of education. For the herbalists, we found that most are men (85.45 %) aged between 31-40 years (29.09 %) and 41-50 years (25.45 %), and with level of university study (36.36 %). On the other hand, 52.73 % of herbalists said they …
Single-Pulse Electrical Stimulation Artifact Removal Using The Novel Matching Pursuit-Based Artifact Reconstruction And Removal Method (Mparrm), Tao Xie, Thomas J Foutz, Markus Adamek, James R Swift, Cory S Inman, Joseph R Manns, Eric C Leuthardt, Jon T Willie, Peter Brunner
Single-Pulse Electrical Stimulation Artifact Removal Using The Novel Matching Pursuit-Based Artifact Reconstruction And Removal Method (Mparrm), Tao Xie, Thomas J Foutz, Markus Adamek, James R Swift, Cory S Inman, Joseph R Manns, Eric C Leuthardt, Jon T Willie, Peter Brunner
2020-Current year OA Pubs
No abstract provided.
Using Long-Read Cage Sequencing To Profile Cryptic-Promoter-Derived Transcripts And Their Contribution To The Immunopeptidome, Ju Heon Maeng, H Josh Jang, Alan Y Du, Shin-Cheng Tzeng, Ting Wang
Using Long-Read Cage Sequencing To Profile Cryptic-Promoter-Derived Transcripts And Their Contribution To The Immunopeptidome, Ju Heon Maeng, H Josh Jang, Alan Y Du, Shin-Cheng Tzeng, Ting Wang
2020-Current year OA Pubs
Recent studies have shown that the noncoding genome can produce unannotated proteins as antigens that induce immune response. One major source of this activity is the aberrant epigenetic reactivation of transposable elements (TEs). In tumors, TEs often provide cryptic or alternate promoters, which can generate transcripts that encode tumor-specific unannotated proteins. Thus, TE-derived transcripts (TE transcripts) have the potential to produce tumor-specific, but recurrent, antigens shared among many tumors. Identification of TE-derived tumor antigens holds the promise to improve cancer immunotherapy approaches; however, current genomics and computational tools are not optimized for their detection. Here we combined CAGE technology with …
Imagining Ai: How The World Sees Intelligent Machines, Amine Oudghiri
Imagining Ai: How The World Sees Intelligent Machines, Amine Oudghiri
Critical Humanities
Imagining AI: How the World Sees Intelligent Machines
On Chatgpt And The Forces And Relations Of Production, Matthew Rellihan
On Chatgpt And The Forces And Relations Of Production, Matthew Rellihan
Critical Humanities
ChatGPT and artificial intelligence more generally are transformative technologies capable of liberating humanity from the necessity of burdensome toil. Recent discussions have neglected this possibility because they suffer from the sorts of cognitive distortions catalogued by Marx and the Marxist tradition. Technology fetishism, understood on the model of commodity fetishism, occurs when the use and development allowed by a certain mode of production appear as intrinsic features of the technology itself. Naturalistic mystification occurs when the socially contingent use and development of these technologies is made to appear natural and therefore inevitable. To those suffering from either distortion, it will …
Purification And Comparison Of Enzymatic Properties Of Endogenous Transglutaminase Between Silver Carp And Black Carp, Yi Lin, An Yueqi, Liu Ru, Hu Yang, Xiong Shanbai
Purification And Comparison Of Enzymatic Properties Of Endogenous Transglutaminase Between Silver Carp And Black Carp, Yi Lin, An Yueqi, Liu Ru, Hu Yang, Xiong Shanbai
Food and Machinery
Objective: This study aimed to investigate the differences in enzymatic properties of endogenous transglutaminase (TGase) in silver carp and black carp. Methods: STG and BTG were purified from the muscle of silver carp and black carp, respectively, by 80% ammonium sulfate precipitation, Q-Sepharose FF, and Sephacryl S-200 HR chromatographies. Two enzymes were analyzed for relative molecular weights, peptide sequences, secondary structures, optimal reaction conditions, and thermal inactivation kinetics. Results: The purified STG and BTG showed similar relative molecular weights, of which the enzyme activities were 14.34 U/mg and 12.67 U/mg, respectively. Both enzymes showed differences in peptide sequences. The secondary …
Screening And Identification Of Bifidobacterium Longum From Maternal Milk And Its Domestication Of Oxygen-Domestication, Zhang Feng, Hou Xinyue, Guo Liqiong, Liu Chunhua, Lin Junfang
Screening And Identification Of Bifidobacterium Longum From Maternal Milk And Its Domestication Of Oxygen-Domestication, Zhang Feng, Hou Xinyue, Guo Liqiong, Liu Chunhua, Lin Junfang
Food and Machinery
Objective: To screen Bifidobacterium from breast milk and improve its oxygen tolerance under aerobic conditions. Methods: Dilution and spread plate methods were performed to separate and screen Bifidobacterium from breast milk. Their Bifidobacterium identifications were characterized by 16S rDNA sequencing. The oxygen tolerant domestications were conducted through gradual increase of oxygen pressure and alternation of aerobic and anaerobic cultivations. Results: A novel Bifidobacterium strain was isolated from human milk and was identified as Bifidobacterium longum by 16S rDNA sequencing, which was named as MEFZ-2201. The homology between MEFZ-2201 and model strain (accession number in NCBI: ON631733.1) reached 100%. After oxygen …
Analysis Of Volatile Flavor Components And Characteristics Of Dough Fermented With Flavor Fermentation Liquid, Zhang Yanmei, Zhu Yuchang, Yang Dandan, Pan Xufang, Bai Hui, Zhou Dazhai
Analysis Of Volatile Flavor Components And Characteristics Of Dough Fermented With Flavor Fermentation Liquid, Zhang Yanmei, Zhu Yuchang, Yang Dandan, Pan Xufang, Bai Hui, Zhou Dazhai
Food and Machinery
Objective: This study aimed to investigate the varieties and contents of volatile components in fermented dough with flavor fermentation broth at different fermentation time. Methods: Headspace solid phase microextraction-gas chromatography (HS-SPME-GC-MS) was used to determine the volatile flavor substances in the dough of the flavor ferment at 12, 24, 36, 48 and 72 h. Also, sensory evaluation of the odor and determination of pH value, total acidity (TAA) and rheological properties of the dough were measured. Results: The strength of eight odors (frankincense, cheese, flower, fruit sweet, wine, malt, grass and sour) showed different performance, depending on the types and …
Solid Phase Extraction-Gas Chromatography-Flame Ionization Detection (Spe-Gc-Fid) For The Detection Of Mineral Oil Saturated Hydrocarbons (Mosh) In Infant Formula, Tang Wanli, Feng Yanying, Xiang Jun, Qin Haijiao, Hu Lingli
Solid Phase Extraction-Gas Chromatography-Flame Ionization Detection (Spe-Gc-Fid) For The Detection Of Mineral Oil Saturated Hydrocarbons (Mosh) In Infant Formula, Tang Wanli, Feng Yanying, Xiang Jun, Qin Haijiao, Hu Lingli
Food and Machinery
Objective: To establish a new accurate method for the determination of mineral oil saturated hydrocarbon (MOSH) in infant formula by solid phase extraction combined with gas chromatography-Flame Ionization Detection (SPE-GC-FID). Methods: Different extraction methods such as soaking extraction, oscillating extraction, ultrasonic assisted extraction, liquid-liquid extraction were used to extract MOSH from infant formula milk powder, and different extraction solvents such as n-hexane, isooctane, benzene, mixed solvents were used to extract MOSH. The optimal extraction method and extraction solvent were determined based on the extraction amount of MOSH. The target compounds purified by AgNO3 SPE column, and finally detected by …
Determination Of 5 Kinds Of Biogenic Amines In Cheeses By High Performance Liquid Chromatography-Tandem Mass Spectrometry, Zhang Hui, Cao Hui, Wang Jin, Xiao Gongnian, Jiang Kan
Determination Of 5 Kinds Of Biogenic Amines In Cheeses By High Performance Liquid Chromatography-Tandem Mass Spectrometry, Zhang Hui, Cao Hui, Wang Jin, Xiao Gongnian, Jiang Kan
Food and Machinery
Objective: A new technical idea was provided for the study of biogenic amine formation mechanism and food safety risk assessment. Methods: An analytical method was established for determination of tyramine, phenylethylamine, tryptamine, octopamine and cadaverine in cheeses with high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). Biogenic amines were extracted by ultrasonic-assisted solvent extraction from cheeses, and were separated by HILIC column, determined by positive electrospray ionization (ESI) with multiple reaction monitoring (MRM) mode, quantified by the internal standard method. The effect of extraction solvent type, ultrasonic time and matrix effect on the peak area was studied, and the performance of …
Meishan Nuo Culture-Based Design And Application Of A Public Brand For Local Specialty Foods From Xinhua, Hunan, Tong Ling
Food and Machinery
In this review, the Meishan culture was investigated, and the Meishan Nuo facial makeup culture was found to be a unique cultural form predominantly native with a diverse coexistence. The distinctive artistic features and cultural connotations of this culture were highlighted. The cultural elements of the primitive, exaggerated, and humorous artistic design techniques were incorporated into the design of the public brand "Meishan Hui" for the local specialty foods in Xinhua. The brand design strategy, from visual to connotative expression, was analyzed by investigating the application of packaging of various local specialty food in Xinhua through case studies, and the …
A Method For Strawberry Ripeness Classification Method Based On Improved Cnn, Zhang Xiaoyu, Huang Guoyan, Yang Yongtao, Bao Feng
A Method For Strawberry Ripeness Classification Method Based On Improved Cnn, Zhang Xiaoyu, Huang Guoyan, Yang Yongtao, Bao Feng
Food and Machinery
Objective: To improve the classification accuracy of strawberries. Methods: A method of strawberry classification based on improved CNN was proposed by improving CNN through mixing pool method. Firstly, through the combination of maximum pooling and average pooling techniques, a hybrid pooling method was obtained. Then, the hybrid pool method was used to improve the generalization ability of CNN model. After that, image data acquisition, image preprocessing and image feature extraction were carried out. Finally, sensitivity, specificity, accuracy, recall rate and F1 score were used to evaluate the effectiveness of the trained strawberry classification method. Results: The sensitivity, specificity, accuracy, …
The Influence Of Drying Methods On The Physicochemical, Functional, And Antioxidant Properties Of Passion Fruit Peel, Liu Zhaohan, Yang Tongxiang, Xu Hanshan, Li Xuejing, Chen Junliang, Ren Guangyue, Duan Xu
The Influence Of Drying Methods On The Physicochemical, Functional, And Antioxidant Properties Of Passion Fruit Peel, Liu Zhaohan, Yang Tongxiang, Xu Hanshan, Li Xuejing, Chen Junliang, Ren Guangyue, Duan Xu
Food and Machinery
Objective: This study aimed to investigate the effects of drying methods on passion fruit peels. Methods: Passion fruit peels were treated with microwave vacuum freeze-drying, vacuum freeze-drying, heat pump drying, and far-infrared radiation drying. The drying characteristics, rehydration ratio, color difference, dietary fiber, functional properties, microstructure, total phenolic content, total flavonoid content, and antioxidant properties were measured and determined respectively. Results: Heat pump-dried passion fruit peels had poor rehydration ratio and functional properties. Microwave vacuum freeze drying reduced the drying time by 53% when compared tp far-infrared radiation drying, and the microwave vacuum freeze-dried treated passion fruit peels had a …
Optimization Of Extraction Process And Antioxidant Activity Of Total Flavonoids From Aloe Vera Stir-Fry Products, Zeng Lingqin, Guo Jiangtao, Liu Jie, Chen Zhengyuan, Xu Jiahong
Optimization Of Extraction Process And Antioxidant Activity Of Total Flavonoids From Aloe Vera Stir-Fry Products, Zeng Lingqin, Guo Jiangtao, Liu Jie, Chen Zhengyuan, Xu Jiahong
Food and Machinery
Objective: To optimize the extraction process of total flavonoids from Aloe vera stir-fry products and investigate its antioxidant activity. Methods: Single factor test and response surface method were used to optimize the extraction process, The content of total flavonoids in Aloe vera raw and fried products from different areas was determined by UV spectrophotometry,The antioxidant activity was studied by DPPH·, ABTS+·, ·OH and FRAP methods, the correlation between total flavonoids yield and antioxidant activity was analyzed by Pearson correlation. Results: The optimal extraction conditions were as follows soaking time 3 h, ultrasonic time 15 min, ethanol volume fraction …
Study On Heat-Resistant Powder Of Lactobacillus Plantarum Microcapsule, Liu Yanxia, Guan Junjun, Cui Yaoming
Study On Heat-Resistant Powder Of Lactobacillus Plantarum Microcapsule, Liu Yanxia, Guan Junjun, Cui Yaoming
Food and Machinery
Objective: This study aimed to improve the heat tolerance of Lactobacillus plantarum. Methods: On the basis of the previous research on the microcapsule emulsion, a kind of powder was prepared by spray drying with 2-hydroxypropyl-β-cyclodextrin (2-HP-β-CD). The response surface method is used to optimize different parameters. Its morphology was observed by light microscope and electron microscope, and the particle size was determined by laser particle size analyzer and Zeta potential analyzer; the absorbance change was measured by spectrophotometer, and heat resistance test was carried out by oven heating. Results: With the increase of the ratio …
Effect Of High Foam Ability Corn Glutelin Hydrolysate On Quality Of Chiffon Cake, Fan Guangqi, Liu Xiaolan, Zheng Xiqun, Wang Juntong, Zhao Wanhong
Effect Of High Foam Ability Corn Glutelin Hydrolysate On Quality Of Chiffon Cake, Fan Guangqi, Liu Xiaolan, Zheng Xiqun, Wang Juntong, Zhao Wanhong
Food and Machinery
Objective: This study aimed to provide a new direction for the application of protease restriction modification technique in corn protein. Methods: Corn glutelin was extracted from corn gluten meal. The response surface method was used to optimize the hydrolysis conditions of corn glutelin hydrolyzed by alcalase and protamex. The effects of different hydrolysates on the foam properties of corn glutelin and the additional amount on the quality of chiffon cake were investigated. Results: The optimal hydrolysis conditions for the protease alcalase and protamex on corn gluten were: pH 8, temperature 60 ℃, enzyme dosage 3%, pH 7, temperature 50 ℃, …
Progress In The Effect Of Oligosaccharide Modification On Gelability Of Egg White Protein, Zhang Gensheng, Su Wenwen, Xu Guiyang, Su Lirui, Fei Yingmin
Progress In The Effect Of Oligosaccharide Modification On Gelability Of Egg White Protein, Zhang Gensheng, Su Wenwen, Xu Guiyang, Su Lirui, Fei Yingmin
Food and Machinery
Egg white protein is a high-quality protein with high nutritional value and a variety of functional properties. The oligosaccharides can be covalently bound to the egg white protein through the glycosylation reaction, and the functional properties of the conjugates were improved compared with the natural egg white protein. In this review, the gel mechanism of oligosaccharide-egg white protein conjugates was reviewed, and the influencing factors of oligosaccharide-modified egg albumin gels were discussed. Moreover, effects of oligosaccharides on the functional properties of egg albumins were summarized, and the processing and application of oligosaccharide-modified egg albumin were prospected.
Research Progress In Extraction Technology And Biological Activity Of Oleuropein, Guo Weiping, Lu Xu, Chu Zejun, Luo Denglin, Xiang Jinle, Xu Yunfeng
Research Progress In Extraction Technology And Biological Activity Of Oleuropein, Guo Weiping, Lu Xu, Chu Zejun, Luo Denglin, Xiang Jinle, Xu Yunfeng
Food and Machinery
The review summarized the latest domestical and international research progress in the biosynthesis pathway, safety, extraction process, and biological activity of oleuropein in recent years. The problems in the olive industry was analyzed and its future development direction was prospected.
Effects Of Sublimation Temperature On Cell Microstructure Of Pear Melon During Vacuum Freeze Drying, Tian Jinjin, Yao Chaoyang, Zhang Zhiqiang, Zhang Zhe, Ji Hongwei, Wu Jinyu
Effects Of Sublimation Temperature On Cell Microstructure Of Pear Melon During Vacuum Freeze Drying, Tian Jinjin, Yao Chaoyang, Zhang Zhiqiang, Zhang Zhe, Ji Hongwei, Wu Jinyu
Food and Machinery
Objective: This study aimed to obtain optimal sublimation temperature of pear melon cells. Methods: The pre-freezing cooling rate and vacuum pressure were selected by optimization method to be 25 ℃/min and 10 Pa, respectively, based on cryogenic microscope imaging and vacuum freeze-drying technology. Then, sublimation temperatures of 10, 5, 0, -4, -7 and -10 ℃ were used for experimental research. The morphological parameters (equivalent diameter, area, circumference, volume), internal pressure, and porosity of cells during the process of dehydration and drying were analyzed. Results: As the sublimation temperature rose, the morphological parameters of different dimensions of cells first decreased and …
The Effect Of Ultrasound Assisted Enzymatic Hydrolysis On The Physicochemical Properties And Flavor Characteristics Of Protein Peptides From Harpodon Nehereus, Lu Jianghui, Chen Yuewen, Fu Jingjing, Long Yongjie
The Effect Of Ultrasound Assisted Enzymatic Hydrolysis On The Physicochemical Properties And Flavor Characteristics Of Protein Peptides From Harpodon Nehereus, Lu Jianghui, Chen Yuewen, Fu Jingjing, Long Yongjie
Food and Machinery
Objective: This study aimed to solve the problems of low freshness, heavy bitterness, and poor flavor of protein peptides hydrolyzed by enzymes of Harpodon nehereus (HN). Methods: Ultrasound assisted enzymatic hydrolysis method was used to prepare the HN protein peptides. Papain was selected as the catalyst to study the changes in particle size, hydrolysis degree, soluble peptide content, relative molecular mass distribution, free amino acid content, and electronic tongue flavor signal of the HN protein peptides under different ultrasound power (0, 120, 240, 480, 600 W). The effect of different ultrasound intensities on the structure and flavor of HN protein …
Design And Application Of Portable Intelligent Rice Freshness Detection System, Shao Xiaokang, Lin Hao, Wang Zhuo, Li Yibing, Chen Quansheng
Design And Application Of Portable Intelligent Rice Freshness Detection System, Shao Xiaokang, Lin Hao, Wang Zhuo, Li Yibing, Chen Quansheng
Food and Machinery
Objective: To realize rapid nondestructive testing of rice freshness. Methods: A portable device system based on nano color-sensitive sensors combined with near-infrared spectroscopy was developed. The spectral data of the corresponding color-sensitive sensors were collected for the identification of multi-gradient rice adulteration and the prediction of freshness across batches of rice. Results: Using Si-CARS-PLS to extract spectral characteristic variables, the recognition rate of discriminative model was the highest after modeling by LDA algorithm, and the recognition rate of training set and prediction set were 97.22% and 95.83%, respectively. At the same time, PLSR model predicted that cross-batch data had stronger …
Study On The Integration Model Of Port Clearance In Food Supervision In The Guangdong Hong Kong Macao Greater Bay Area, Zhang Yiming
Study On The Integration Model Of Port Clearance In Food Supervision In The Guangdong Hong Kong Macao Greater Bay Area, Zhang Yiming
Food and Machinery
At present, the integration construction of the Guangdong Hong Kong Macao Greater Bay Area is deepening. Among them, the port customs integration model in food supervision in the Guangdong Hong Kong Macao Greater Bay Area has problems such as inconsistent regulatory standards, cumbersome customs clearance procedures, and information asymmetry, which have led to increasingly prominent issues of low food supervision efficiency. In this regard, effective innovation in the integration model of port clearance can be promoted by unifying the food safety supervision standards of Guangdong, Hong Kong, and Macao, constructing an integrated port clearance procedure mechanism, and strengthening information sharing …
Establishment Of Quechers-Uplc-Ms/Ms Method To Determine Three Kinds Of Ochratoxins In Coffee, Gao Yunkai, Chen Xiaomei, Chen Chunqian, Zhou Lingyu, Deng Yinglin, Yin Qingchun
Establishment Of Quechers-Uplc-Ms/Ms Method To Determine Three Kinds Of Ochratoxins In Coffee, Gao Yunkai, Chen Xiaomei, Chen Chunqian, Zhou Lingyu, Deng Yinglin, Yin Qingchun
Food and Machinery
Objective: A new method was developed for the simultaneous determination of three kinds of ochratoxins in coffee by ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) combined with QuEChERS pretreatment. Methods: Samples were extracted by acetonitri-water-formic acid solution (55∶40∶5) with ultrasonic, salted out with a QuEChERS salt pocket, and then purified with a (ZanChERS-Myco17) column. The chromatographic separation was performed on an ACQUITY UPLC BEH C18 (1.7 μm, 2.1 mm×100 mm) column by gradient elution using a mobile phase comprising 0.2% formic acid aqueous solution and acetonitrile. In the positive ion mode of electric spray, the samples detected were used …