Analytica最新文献_第2页

A Metabolomics Study by 1H HRMAS NMR: From Sheep Milk to a Pressed-Curd Cheese: A Proof of Concept 1H HRMAS NMR 代谢组学研究：从绵羊奶到压制凝乳干酪：概念验证

Analytica Pub Date : 2024-04-13 DOI: 10.3390/analytica5020011

D. Castejón, J. Segura, Karen Paola Cruz-Díaz, Víctor Remiro, M. E. Fernández-Valle, M. D. Romero de Ávila, Palmira Villa, M. I. Cambero

{"title":"A Metabolomics Study by 1H HRMAS NMR: From Sheep Milk to a Pressed-Curd Cheese: A Proof of Concept","authors":"D. Castejón, J. Segura, Karen Paola Cruz-Díaz, Víctor Remiro, M. E. Fernández-Valle, M. D. Romero de Ávila, Palmira Villa, M. I. Cambero","doi":"10.3390/analytica5020011","DOIUrl":"https://doi.org/10.3390/analytica5020011","url":null,"abstract":"For the first time, High-Resolution Magic Angle Nuclear Magnetic Resonance spectroscopy (NMR-HRMAS) was applied to directly identify specific metabolites from a Spanish raw ewe’s milk and enzymatic coagulation pressed-curd cheese (Protected Geographical Indication: Castellano) manufactured by two procedures (traditional/artisanal vs. industrial) and including the ewe’s raw milk. The NMR parameters were optimized to study the complex matrixes of this type of cheese. In addition, conventional overcrowded 1H-NMR-HRMAS spectra were selectively simplified by a Carr–Purcell–Meiboom–Gill (CPMG) sequence or a stimulated echo pulse sequence by bipolar gradients (DIFF), thus modulating spin–spin relaxation times and diffusion of molecular components, respectively. 1H-NMR-HRMAS spectroscopy displayed important information about cheese metabolites, which can be associated with different manufacturing processes (industrial vs. traditional) and ripening times (from 2 to 90 days). These results support that this spectroscopy is a useful technique to monitor the ripening process, from raw milk to commercial ripened cheese, using a minimum intact sample, implying the absence of time-consuming sample pretreatments.","PeriodicalId":7829,"journal":{"name":"Analytica","volume":"63 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140707097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Headspace-Selected Ion Flow Tube Mass Spectrometry Workflows for Rapid Screening and Quantitation of Hazardous Volatile Impurities in Personal Care Products 用于快速筛查和定量个人护理产品中有害挥发性杂质的顶空选择离子流管质谱工作流程

Analytica Pub Date : 2024-04-02 DOI: 10.3390/analytica5020010

M. Perkins, Colin J. Hastie, V. Langford

{"title":"Headspace-Selected Ion Flow Tube Mass Spectrometry Workflows for Rapid Screening and Quantitation of Hazardous Volatile Impurities in Personal Care Products","authors":"M. Perkins, Colin J. Hastie, V. Langford","doi":"10.3390/analytica5020010","DOIUrl":"https://doi.org/10.3390/analytica5020010","url":null,"abstract":"Personal care products (PCPs) are intended for regular application by consumers and therefore assuring the safety of these products is very important. Recently, benzene contamination has been highlighted in certain PCPs. The present study applies selected ion flow tube mass spectrometry (SIFT-MS) to a simultaneous headspace analysis of benzene, 1,4-dioxane, and formaldehyde—all known or suspected carcinogens—in nine haircare products with supporting qualitative analysis by gas chromatography–mass spectrometry (GC-MS). Headspace-SIFT-MS method development is compatible with the method of standard additions, which is necessary for the quantitation of volatile impurities in these complex emulsions. Benzene was quantified above the low-ng g−1 limit of quantitation (LOQ) in three products, dioxane above the sub-μg g−1 LOQ in all products, and formaldehyde above the low-μg g−1 LOQ in two products, providing a quantitative analysis at concentrations relevant to consumer safety. This study facilitated the development of generic workflows for SIFT-MS method development and application in routine analysis of PCPs. The assessment of workflows for SIFT-MS compared to a conventional GC-MS analysis suggests that 8- to 30-fold throughput enhancements may be possible for quantitative and screening analysis using SIFT-MS.","PeriodicalId":7829,"journal":{"name":"Analytica","volume":"23 19","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140753321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Analytical Compatibility between Various Techniques for Determining Dissolved Manganese in Produced Water 测定采出水溶解锰的各种技术之间的分析兼容性

Analytica Pub Date : 2024-03-15 DOI: 10.3390/analytica5010009

Gabriela Knippelberg Bifano Manea, Vanusa Bueno Freire, Rainério Escalfoni Junior, E. C. de Oliveira

{"title":"Analytical Compatibility between Various Techniques for Determining Dissolved Manganese in Produced Water","authors":"Gabriela Knippelberg Bifano Manea, Vanusa Bueno Freire, Rainério Escalfoni Junior, E. C. de Oliveira","doi":"10.3390/analytica5010009","DOIUrl":"https://doi.org/10.3390/analytica5010009","url":null,"abstract":"Petroleum-produced water is the primary effluent generated during the oil extraction process, presenting high flow rates, and containing a series of chemical components that are harmful to the environment, such as dissolved manganese. The proof of metrological compatibility between laboratories and different test methods or techniques is an analytical challenge when complying with environmental laws and regulations, which is the aim of this study. The first step of this study was to compare the results of manganese content in real test samples of produced water between some laboratories that used different test methods, that is, flame atomic absorption spectrophotometry, inductively coupled plasma optical emission spectroscopy, and inductively coupled plasma mass spectrometry. Based on one-way analysis of variance, systematic errors were found. The following step was to visit a specific lab, where one could confirm the relevance of the wavelength parameters, operating conditions for the view configuration, and effects of the saline matrices. Finally, a compatibility assessment between the reference laboratory and a new laboratory, which implemented and validated its analytical methodology based on these analytical adjustments, and the experiences and lessons learned in the previous step, was undertaken by a paired t-test.","PeriodicalId":7829,"journal":{"name":"Analytica","volume":" 14","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140391613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Physicochemical Characterization of ‘Moroccan Picholine’ Olive (Olea europaea L.) Oil Produced in Southern Morocco Using Multivariate Statistical Analysis 利用多元统计分析确定摩洛哥南部生产的 "摩洛哥皮乔林 "橄榄（Olea europaea L.）油的理化特征

Analytica Pub Date : 2024-03-05 DOI: 10.3390/analytica5010008

Jamila Gagour, Otmane Hallouch, Abderrahim Asbbane, A. Laknifli, E. Sakar, Khalid Majourhat, S. Gharby

{"title":"Physicochemical Characterization of ‘Moroccan Picholine’ Olive (Olea europaea L.) Oil Produced in Southern Morocco Using Multivariate Statistical Analysis","authors":"Jamila Gagour, Otmane Hallouch, Abderrahim Asbbane, A. Laknifli, E. Sakar, Khalid Majourhat, S. Gharby","doi":"10.3390/analytica5010008","DOIUrl":"https://doi.org/10.3390/analytica5010008","url":null,"abstract":"This study focuses on evaluating the characteristics of olive oil produced in the Taroudant province (southern Morocco), making this the first comprehensive study focusing on olive oil from the ‘Moroccan Picholine’ cultivar. Our objective was to elucidate the distinctive qualities of olive oil from this region, providing valuable insights into its potential contributions to the country’s olive oil sector. For this purpose, several quality criteria (free fatty acids, moisture content, saponification value, and iodine value), oxidation indices (peroxide value, specific UV extinction coefficients, and oxidizability value), and purity indices (fatty acids and sterol composition) were evaluated. Our results reveal minor-to-significant variations (p < 0.05) in the quality and oxidation parameters. Specifically, our results indicate diverse ranges for free fatty acids (0.33–3.62 g/100 g), peroxide values (0.85–4.01 mEq O2/kg oil), K232 (1.68 to 2.73), and K270 (0.09–0.34). Furthermore, consistently high levels of oleic acid (55.8 to 73.1%) and β-sitosterol (94.2 to 97%) were observed in the studied samples. These outcomes were confirmed through the use principal component analysis and hierarchical cluster analysis. Likewise, important correlations were outlined among the studied parameters. Multidimensional analyses not only highlight inherent variations, but also facilitate the classification of the analyzed olive oils into distinct categories. The results suggest that the Taroudant province exhibits favorable conditions for producing high-quality olive oil.","PeriodicalId":7829,"journal":{"name":"Analytica","volume":"20 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140263616","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Characterization of Bixin by UV-Visible Spectroscopy and HPLC, and Its Application as Latent Fingermark Developer 利用紫外可见光谱和高效液相色谱法表征毕克欣，并将其用作潜伏指纹显影剂

Analytica Pub Date : 2024-03-03 DOI: 10.3390/analytica5010007

Danielle Tapia Bueno, Amanda Fonseca Leitzke, R. L. Crizel, Cristina Jansen-Alves, Emanuel Gomes Bertizzolo, Juliana Porciuncula da Silva, Gabrielly Quartieri Sejanes, K. Mariotti, Claudio Martin Pereira de Pereira

{"title":"Characterization of Bixin by UV-Visible Spectroscopy and HPLC, and Its Application as Latent Fingermark Developer","authors":"Danielle Tapia Bueno, Amanda Fonseca Leitzke, R. L. Crizel, Cristina Jansen-Alves, Emanuel Gomes Bertizzolo, Juliana Porciuncula da Silva, Gabrielly Quartieri Sejanes, K. Mariotti, Claudio Martin Pereira de Pereira","doi":"10.3390/analytica5010007","DOIUrl":"https://doi.org/10.3390/analytica5010007","url":null,"abstract":"Fingerprints are essential for human identification and are valuable tools in criminal investigations. The pursuit of new materials for digital printing is expanding, with increasing interest in natural compounds such as bixin, sourced from annatto seeds. Despite its traditional use as a natural dye with medicinal properties, the potential of bixin in papilloscopy remains largely untapped. In this study, we meticulously extracted bixin from annatto seeds and meticulously developed composites incorporating zinc carbonate (bixin/ZnCO3) and kaolinite (bixin/kaolinite). UV-visible spectroscopy was used for characterization, and the extracted bixin showed absorption peaks at 429, 453, and 481 nm, which were very similar to standard peaks at 429, 457, and 487 nm. The two samples also had the same retention times (7.07 min) according to further liquid chromatography analysis. Sweat pores were easier to detect thanks to the effectiveness of the bixin/ZnCO3 and bixin/kaolinite composites in creating high contrast sebaceous and natural latent fingerprints. These results highlight the composites’ potential as novel and fascinating instruments for papilloscopy applications, which might also improve forensic investigations.","PeriodicalId":7829,"journal":{"name":"Analytica","volume":"62 0_1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140267476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimization of Pulsed Electric Field-Based Extraction of Bioactive Compounds from Cannabis sativa Leaves 优化基于脉冲电场的大麻叶生物活性化合物提取方法

Analytica Pub Date : 2024-02-04 DOI: 10.3390/analytica5010006

Dimitrios Mpakos, Theodoros G. Chatzimitakos, V. Athanasiadis, Martha Mantiniotou, Eleni Bozinou, S. Lalas

{"title":"Optimization of Pulsed Electric Field-Based Extraction of Bioactive Compounds from Cannabis sativa Leaves","authors":"Dimitrios Mpakos, Theodoros G. Chatzimitakos, V. Athanasiadis, Martha Mantiniotou, Eleni Bozinou, S. Lalas","doi":"10.3390/analytica5010006","DOIUrl":"https://doi.org/10.3390/analytica5010006","url":null,"abstract":"The current investigation examines the application of pulsed electric fields (PEFs) for isolating polyphenols from Cannabis sativa var. Futura 75 leaves. Firstly, the solvent composition, which included ethanol, water, and various mixtures of the two, was explored, along with the liquid-to-solid ratio. Subsequently, the primary parameters associated with PEFs (namely, pulse duration, pulse period, electric field intensity, and treatment duration) were optimized. The extracted samples were analyzed to determine their total polyphenol content (TPC), and individual polyphenols were also evaluated through high-performance liquid chromatography. In addition, the antioxidant activity of the extracts was assessed through ferric-reducing antioxidant power (FRAP) and DPPH assays. The extracts prepared utilizing PEFs were compared to the extracts obtained without PEFs in terms of their TPC, FRAP values, and DPPH activity. The results indicate that the most effective extraction parameters were a pulse duration of 10 μs, a pulse period of 1000 μs, and an electric field strength of 0.9 kV/cm after 25 min of extraction. The most efficient solvent was determined to be a 50% (v/v) mixture of ethanol and water in a 20:1 liquid-to-solid ratio. The extract obtained under the optimal conditions exhibited a ~75% increase in TPC compared to the extract obtained without any application of PEFs, while some individual polyphenols exhibited an increase of up to ~300%. Furthermore, significant increases of ~74% and ~71% were observed in FRAP and DPPH assays. From the information provided, it was observed that the tested variables had an impact on the recovery of polyphenols from C. sativa leaves.","PeriodicalId":7829,"journal":{"name":"Analytica","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139867383","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimization of Pulsed Electric Field-Based Extraction of Bioactive Compounds from Cannabis sativa Leaves 优化基于脉冲电场的大麻叶生物活性化合物提取方法

Analytica Pub Date : 2024-02-04 DOI: 10.3390/analytica5010006

Dimitrios Mpakos, Theodoros G. Chatzimitakos, V. Athanasiadis, Martha Mantiniotou, Eleni Bozinou, S. Lalas

{"title":"Optimization of Pulsed Electric Field-Based Extraction of Bioactive Compounds from Cannabis sativa Leaves","authors":"Dimitrios Mpakos, Theodoros G. Chatzimitakos, V. Athanasiadis, Martha Mantiniotou, Eleni Bozinou, S. Lalas","doi":"10.3390/analytica5010006","DOIUrl":"https://doi.org/10.3390/analytica5010006","url":null,"abstract":"The current investigation examines the application of pulsed electric fields (PEFs) for isolating polyphenols from Cannabis sativa var. Futura 75 leaves. Firstly, the solvent composition, which included ethanol, water, and various mixtures of the two, was explored, along with the liquid-to-solid ratio. Subsequently, the primary parameters associated with PEFs (namely, pulse duration, pulse period, electric field intensity, and treatment duration) were optimized. The extracted samples were analyzed to determine their total polyphenol content (TPC), and individual polyphenols were also evaluated through high-performance liquid chromatography. In addition, the antioxidant activity of the extracts was assessed through ferric-reducing antioxidant power (FRAP) and DPPH assays. The extracts prepared utilizing PEFs were compared to the extracts obtained without PEFs in terms of their TPC, FRAP values, and DPPH activity. The results indicate that the most effective extraction parameters were a pulse duration of 10 μs, a pulse period of 1000 μs, and an electric field strength of 0.9 kV/cm after 25 min of extraction. The most efficient solvent was determined to be a 50% (v/v) mixture of ethanol and water in a 20:1 liquid-to-solid ratio. The extract obtained under the optimal conditions exhibited a ~75% increase in TPC compared to the extract obtained without any application of PEFs, while some individual polyphenols exhibited an increase of up to ~300%. Furthermore, significant increases of ~74% and ~71% were observed in FRAP and DPPH assays. From the information provided, it was observed that the tested variables had an impact on the recovery of polyphenols from C. sativa leaves.","PeriodicalId":7829,"journal":{"name":"Analytica","volume":"2001 14","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139807232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Disposable Voltammetric Immunosensor for Determination and Quantification of Biomarker CA 15-3 in Biological Specimens 用于测定和定量生物样本中生物标记物 CA 15-3 的一次性伏安法免疫传感器

Analytica Pub Date : 2024-02-02 DOI: 10.3390/analytica5010005

A. E. F. Oliveira, Arnaldo César Pereira, Mayra A. C. Resende, L. F. Ferreira

{"title":"Disposable Voltammetric Immunosensor for Determination and Quantification of Biomarker CA 15-3 in Biological Specimens","authors":"A. E. F. Oliveira, Arnaldo César Pereira, Mayra A. C. Resende, L. F. Ferreira","doi":"10.3390/analytica5010005","DOIUrl":"https://doi.org/10.3390/analytica5010005","url":null,"abstract":"A disposable voltammetric immunosensor was developed to measure breast cancer biomarker 15-3 (CA 15-3) in human saliva and serum samples. Screen-printed paper-based electrodes (f-SPE) previously fabricated by our research group using homemade conductive inks were used as transducers, which were later modified only with gold nanoparticles to immobilize anti-CA 15-3 antibodies. The sensor was operated using antigen–antibody interactions in conjunction with a redox species (ferrocyanide potassium) for the indirect determination of the CA 15-3 antigen. The device characterization involved atomic force microscopy (AFM) and electrochemical analysis. Optimization of the construction and response of the immunosensor was achieved at incubation times of 6 h for anti-CA 15-3, 1 h for bovine serum albumin, and 1 h for interaction with CA 15-3. The sensor displays a linear range between 2 and 16 U/mL, with a sensitivity of 0.012 μA/U mL−1, a limit of detection (LOD) of 0.56 U/mL, and a limit of quantification (LOQ) of 1.88 U/mL. The interfering substances minimally affected the signal, with 4.94% response variation, and the reproducibility of the immunosensor demonstrated a relative standard deviation (RSD) of 5.65%. The sensor successfully determined the CA 15-3 concentration in human serum and saliva, demonstrating its potential for clinical analysis.","PeriodicalId":7829,"journal":{"name":"Analytica","volume":"55 6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139809728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Insights into Analytical Precision: Understanding the Factors Influencing Accurate Vitamin A Determination in Various Samples 洞察分析精度：了解影响准确测定各种样品中维生素 A 的因素

Analytica Pub Date : 2024-02-02 DOI: 10.3390/analytica5010004

Y. Shastak, Wolf Pelletier, Andrea Kuntz

{"title":"Insights into Analytical Precision: Understanding the Factors Influencing Accurate Vitamin A Determination in Various Samples","authors":"Y. Shastak, Wolf Pelletier, Andrea Kuntz","doi":"10.3390/analytica5010004","DOIUrl":"https://doi.org/10.3390/analytica5010004","url":null,"abstract":"The accurate assessment of vitamin A in animal feed and tissues is vital for safeguarding animal well-being and ensuring high-quality nutritional feed. However, challenges in achieving precise results persist, necessitating a comprehensive understanding of the influencing factors. This review delves into the historical progression of analytical techniques, from colorimetric assays and spectrophotometry to advanced chromatographic methods and non-destructive spectroscopic approaches. Factors influencing analytical precision are scrutinized, encompassing sample preparation, storage conditions, interfering substances, and human errors. The crucial role of quality control and standardized protocols in ensuring the reproducibility and reliability of results is emphasized. Moreover, this review highlights the need for tailored analytical approaches to account for the complexities of sample matrices and the significance of cutting-edge technologies, including on-site analysis and data science integration, in enhancing analytical precision. By acknowledging the challenges and prospects in vitamin A analysis, this paper provides insights for optimizing analytical methodologies and promoting animal welfare and product safety.","PeriodicalId":7829,"journal":{"name":"Analytica","volume":"89 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139869293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Insights into Analytical Precision: Understanding the Factors Influencing Accurate Vitamin A Determination in Various Samples 洞察分析精度：了解影响准确测定各种样品中维生素 A 的因素

Analytica Pub Date : 2024-02-02 DOI: 10.3390/analytica5010004

Y. Shastak, Wolf Pelletier, Andrea Kuntz

{"title":"Insights into Analytical Precision: Understanding the Factors Influencing Accurate Vitamin A Determination in Various Samples","authors":"Y. Shastak, Wolf Pelletier, Andrea Kuntz","doi":"10.3390/analytica5010004","DOIUrl":"https://doi.org/10.3390/analytica5010004","url":null,"abstract":"The accurate assessment of vitamin A in animal feed and tissues is vital for safeguarding animal well-being and ensuring high-quality nutritional feed. However, challenges in achieving precise results persist, necessitating a comprehensive understanding of the influencing factors. This review delves into the historical progression of analytical techniques, from colorimetric assays and spectrophotometry to advanced chromatographic methods and non-destructive spectroscopic approaches. Factors influencing analytical precision are scrutinized, encompassing sample preparation, storage conditions, interfering substances, and human errors. The crucial role of quality control and standardized protocols in ensuring the reproducibility and reliability of results is emphasized. Moreover, this review highlights the need for tailored analytical approaches to account for the complexities of sample matrices and the significance of cutting-edge technologies, including on-site analysis and data science integration, in enhancing analytical precision. By acknowledging the challenges and prospects in vitamin A analysis, this paper provides insights for optimizing analytical methodologies and promoting animal welfare and product safety.","PeriodicalId":7829,"journal":{"name":"Analytica","volume":"79 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139809757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0