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Akinboye AJ, Kim K, Choi S, Yang I, Lee JG. Alkaloids in food: a review of toxicity, analytical methods, occurrence and risk assessments. Food Sci Biotechnol 2023; 32:1133-1158. [PMID: 37362815 PMCID: PMC10290023 DOI: 10.1007/s10068-023-01295-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 02/28/2023] [Accepted: 03/06/2023] [Indexed: 04/09/2023] Open
Abstract
Alkaloids have been utilized by humans for years. They have diverse applications in pharmaceuticals. They have been proven to be effective in treating a number of diseases. They also form an important part of regular human diets, as they are present in food items, food supplements, diet ingredients and food contaminants. Despite their obvious importance, these alkaloids are toxic to humans. Their toxicity is dependent on a range of factors, such as specific dosage, exposure time and individual properties. Mild toxic effects include nausea, itching and vomiting while chronic effects include paralysis, teratogenicity and death. This review summarizes the published studies on the toxicity, analytical methods, occurrence and risk assessments of six major alkaloid groups that are present in food, namely, ergot, glycoalkaloids, purine, pyrrolizidine, quinolizidine and tropane alkaloids.
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Affiliation(s)
- Adebayo J. Akinboye
- Department of Food and Biotechnology, Dong-A University, Saha-gu, Busan, 49315 Korea
| | - Kiyun Kim
- Department of Food and Biotechnology, Dong-A University, Saha-gu, Busan, 49315 Korea
| | - Seyun Choi
- Department of Food and Biotechnology, Dong-A University, Saha-gu, Busan, 49315 Korea
| | - Inho Yang
- Department of Convergence Study on the Ocean Science and Technology, Korea Maritime and Ocean University, Busan, 49112 Korea
| | - Joon-Goo Lee
- Department of Food and Biotechnology, Dong-A University, Saha-gu, Busan, 49315 Korea
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Farhan M, Rizvi A, Aatif M, Ahmad A. Current Understanding of Flavonoids in Cancer Therapy and Prevention. Metabolites 2023; 13:metabo13040481. [PMID: 37110140 PMCID: PMC10142845 DOI: 10.3390/metabo13040481] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/21/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
Cancer is a major cause of death worldwide, with multiple pathophysiological manifestations. In particular, genetic abnormalities, inflammation, bad eating habits, radiation exposure, work stress, and toxin consumption have been linked to cancer disease development and progression. Recently, natural bioactive chemicals known as polyphenols found in plants were shown to have anticancer capabilities, destroying altered or malignant cells without harming normal cells. Flavonoids have demonstrated antioxidant, antiviral, anticancer, and anti-inflammatory effects. Flavonoid type, bioavailability, and possible method of action determine these biological actions. These low-cost pharmaceutical components have significant biological activities and are beneficial for several chronic disorders, including cancer. Recent research has focused primarily on isolating, synthesizing, and studying the effects of flavonoids on human health. Here we have attempted to summarize our current knowledge of flavonoids, focusing on their mode of action to better understand their effects on cancer.
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Przybylska A, Gackowski M, Koba M. Application of Capillary Electrophoresis to the Analysis of Bioactive Compounds in Herbal Raw Materials. Molecules 2021; 26:2135. [PMID: 33917716 PMCID: PMC8068163 DOI: 10.3390/molecules26082135] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/04/2021] [Accepted: 04/06/2021] [Indexed: 12/17/2022] Open
Abstract
The article is a summary of scientific reports from the last 16 years (2005-2021) on the use of capillary electrophoresis to analyze polyphenolic compounds, coumarins, amino acids, and alkaloids in teas or different parts of plants used to prepare aqueous infusions, commonly known as "tea" or decoctions. This literature review is based on PRISMA guidelines and articles selected in base of criteria carried out using PICOS (Population, Intervention, Comparison, Outcome, Study type). The analysis showed that over 60% of articles included in this manuscript comes from China. The literature review shows that for the selective electrophoretic separation of polyphenolic and flavonoid compounds, the most frequently used capillary electromigration technique is capillary electrophoresis with ultraviolet detection. Nevertheless, the use of capillary electrophoresis-mass spectrometry allows for the sensitive determination of analytes with a lower limit of detection and gives hope for routine use in the analysis of functional foods. Moreover, using the modifications in electrochemical techniques allows methods sensitivity reduction along with the reduction of analysis time.
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Affiliation(s)
- Anna Przybylska
- Department of Toxicology and Bromatology, Faculty of Pharmacy, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, A. Jurasza 2 Street, PL-85089 Bydgoszcz, Poland; (M.G.); (M.K.)
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A linear gradient sequential injection chromatography method exploiting programmable fluidics for the determination of three methylxanthines. Talanta 2019; 202:514-519. [DOI: 10.1016/j.talanta.2019.04.046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 04/16/2019] [Accepted: 04/18/2019] [Indexed: 11/30/2022]
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Rodríguez-García C, Sánchez-Quesada C, Gaforio JJ. Dietary Flavonoids as Cancer Chemopreventive Agents: An Updated Review of Human Studies. Antioxidants (Basel) 2019; 8:E137. [PMID: 31109072 PMCID: PMC6562590 DOI: 10.3390/antiox8050137] [Citation(s) in RCA: 173] [Impact Index Per Article: 34.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 05/14/2019] [Accepted: 05/16/2019] [Indexed: 12/24/2022] Open
Abstract
Over the past few years, interest in health research has increased, making improved health a global goal for 2030. The purpose of such research is to ensure healthy lives and promote wellbeing across individuals of all ages. It has been shown that nutrition plays a key role in the prevention of some chronic diseases such as obesity, cardiovascular disease, diabetes, and cancer. One of the aspects that characterises a healthy diet is a high intake of vegetables and fruits, as both are flavonoid-rich foods. Flavonoids are one of the main subclasses of dietary polyphenols and possess strong antioxidant activity and anti-carcinogenic properties. Moreover, some population-based studies have described a relationship between cancer risk and dietary flavonoid intake. In this context, the goal of this review was to provide an updated evaluation of the association between the risk of different types of cancers and dietary flavonoid intake. We analysed all relevant epidemiological studies from January 2008 to March 2019 using the PUBMED and Web of Science databases. In summary, this review concludes that dietary flavonoid intake is associated with a reduced risk of different types of cancer, such as gastric, breast, prostate, and colorectal cancers.
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Affiliation(s)
- Carmen Rodríguez-García
- Center for Advanced Studies in Olive Grove and Olive Oils, University of Jaen, Campus las Lagunillas s/n, 23071 Jaén, Spain; (C.R.-G.); (C.S.-Q.)
- Department of Health Sciences, Faculty of Experimental Sciences, University of Jaén, 23071 Jaén, Spain
| | - Cristina Sánchez-Quesada
- Center for Advanced Studies in Olive Grove and Olive Oils, University of Jaen, Campus las Lagunillas s/n, 23071 Jaén, Spain; (C.R.-G.); (C.S.-Q.)
- Department of Health Sciences, Faculty of Experimental Sciences, University of Jaén, 23071 Jaén, Spain
- Agri-Food Campus of International Excellence (ceiA3), 14005 Córdoba, Spain
| | - José J. Gaforio
- Center for Advanced Studies in Olive Grove and Olive Oils, University of Jaen, Campus las Lagunillas s/n, 23071 Jaén, Spain; (C.R.-G.); (C.S.-Q.)
- Department of Health Sciences, Faculty of Experimental Sciences, University of Jaén, 23071 Jaén, Spain
- Agri-Food Campus of International Excellence (ceiA3), 14005 Córdoba, Spain
- CIBER Epidemiología y Salud Pública (CIBER-ESP), Instituto de Salud Carlos III, 28029 Madrid, Spain
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Güray T, Tunçel M, Uysal UD. A validated capillary electrophoretic method for the determination of indacaterol and its application to a pharmaceutical preparation. J Food Drug Anal 2018; 26:842-848. [PMID: 29567256 PMCID: PMC9322245 DOI: 10.1016/j.jfda.2017.08.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 07/25/2017] [Accepted: 08/08/2017] [Indexed: 11/29/2022] Open
Abstract
Indacaterol is a new inhaled ultra-long acting β2-agonist. It has been recently approved in the European Union for the treatment of chronic obstructive pulmonary disease. This paper reports, for the first time, a method for the determination and validation of Indacaterol (IND) using an internal standard in capsules. Capillary electrophoretic separation was performed on an uncoated fused-silica capillary (50 cm effective length, 75 μm i.d.) and background electrolyte composed of 20 mmol L-1 of sodium tetraborate buffer, 15% (v/v) methanol (pH = 10.0) with the application of 20 kV of potential; 10 s at 5 × 103 N m-2 (50 mbar) of injection time; and wavelength of 200 nm and 25 °C of temperature. The linearity was evaluated in the range of 4.90 × 10-6 mol L-1 (2.50 μg mL-1) and 3.94 × 10-5 mol L-1 (20.00 μg mL-1), with R = 0.9993 for inter-day. LOD and LOQ values were 2.18 × 10-8 mol L-1 (0.011 μg mL-1) and 7.25 × 10-8 mol L-1 (0.037 μg mL-1) for inter-day, respectively. The precision values were 0.50-1.06% for intra-day and 2.12% for inter-day as RSD%. The accuracy was tested by the standard addition method with the recovery values being between 98.79 and 99.09 as percentages with RSD% interval of 0.01-0.80. The developed method was validated according to ICH guidelines. Indacaterol was successfully determined in Arcapta® capsule dosage form by the validated CE method with a relative error of 0.28%. The result was within the requirements of the USP 34-NF29. Therefore, the validated method may be used for the determination of Indacaterol in its capsules in quality control laboratories.
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Affiliation(s)
- Tufan Güray
- Department of Chemistry, Faculty of Arts and Science, Eskisehir Osmangazi University, 26480, Eskisehir,
Turkey
| | - Muzaffer Tunçel
- Lefke European University, Faculty of Pharmacy, Department of Analytical Chemistry, Lefka,
Cyprus
| | - Ulku Dilek Uysal
- Department of Chemistry, Faculty of Science, Anadolu University, 26470, Eskişehir,
Turkey
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Murauer A, Bakry R, Schottenberger H, Huck C, Ganzera M. An innovative monolithic zwitterionic stationary phase for the separation of phenolic acids in coffee bean extracts by capillary electrochromatography. Anal Chim Acta 2017; 963:136-142. [PMID: 28335967 PMCID: PMC5388181 DOI: 10.1016/j.aca.2017.01.048] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 01/11/2017] [Accepted: 01/24/2017] [Indexed: 12/30/2022]
Abstract
A methacrylate based monolith, containing the innovative zwitterionic monomer (3-allyl-1-imidazol)propane sulfonate, was prepared in 100 μm I.D. silica capillaries by UV initiated photo-polymerization. Composition of the porogen, i.e. a mixture of 1-propanol, 1,4 butanediol and water, was of great importance to obtain a homogeneous monolith with satisfactory permeability and good electrochromatographic performance. Morphology of the stationary phase was studied in Scanning Electron Microscopy and IR experiments, which revealed a good attachment to the capillary wall, flowthrough-pores in the range of 0.5-2 μm, and a continuous monolithic structure. The developed material was well suited for the analysis of six common phenolic acids (salicylic, cinnamic, syringic, rosmarinic, caffeic and chlorogenic acid) by CEC. Their separation was possible in less than 8 min with a mobile phase comprising a 12 mM aqueous ammonium acetate solution with pH 8.5 and acetonitrile, at an applied voltage of - 20 kV. The developed method was validated (R2 ≥ 0.995; LOD ≤ 3.9 μg mL-1, except for salicylic acid; recovery rates from 94 to 104%) and successfully used for the determination of phenolic acids in Coffea arabica samples. All of them contained cinnamic, syringic and caffeic acid, however only in unroasted coffee beans chlorogenic acid (0.06%) was found. The quantitative results were in good agreement to reported literature data.
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Affiliation(s)
- Adele Murauer
- Institute of Pharmacy, Pharmacognosy, University of Innsbruck, Innsbruck, Austria
| | - Rania Bakry
- Institute for Analytical Chemistry and Radiochemistry, University of Innsbruck, Innsbruck, Austria
| | - Herwig Schottenberger
- Institute of General, Inorganic and Theoretical Chemistry, University of Innsbruck, Austria
| | - Christian Huck
- Institute for Analytical Chemistry and Radiochemistry, University of Innsbruck, Innsbruck, Austria
| | - Markus Ganzera
- Institute of Pharmacy, Pharmacognosy, University of Innsbruck, Innsbruck, Austria.
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Structure-Bioactivity Relationships of Methylxanthines: Trying to Make Sense of All the Promises and the Drawbacks. Molecules 2016; 21:molecules21080974. [PMID: 27472311 PMCID: PMC6273298 DOI: 10.3390/molecules21080974] [Citation(s) in RCA: 101] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Revised: 07/02/2016] [Accepted: 07/19/2016] [Indexed: 12/05/2022] Open
Abstract
Methylxanthines are a group of phytochemicals derived from the purine base xanthine and obtained from plant secondary metabolism. They are unobtrusively included in daily diet in common products as coffee, tea, energetic drinks, or chocolate. Caffeine is by far the most studied methylxanthine either in animal or epidemiologic studies. Theophylline and theobromine are other relevant methylxanthines also commonly available in the aforementioned sources. There are many disseminated myths about methylxanthines but there is increased scientific knowledge to discuss all the controversy and promise shown by these intriguing phytochemicals. In fact, many beneficial physiologic outcomes have been suggested for methylxanthines in areas as important and diverse as neurodegenerative and respiratory diseases, diabetes or cancer. However, there have always been toxicity concerns with methylxanthine (over)consumption and pharmacologic applications. Herein, we explore the structure-bioactivity relationships to bring light those enumerated effects. The potential shown by methylxanthines in such a wide range of conditions should substantiate many other scientific endeavors that may highlight their adequacy as adjuvant therapy agents and may contribute to the advent of functional foods. Newly designed targeted molecules based on methylxanthine structure may originate more specific and effective outcomes.
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Wang K, Chen Q, Lin Y, Yu S, Lin H, Huang J, Liu Z. Separation of catechins and O -methylated (−)-epigallocatechin gallate using polyamide thin-layer chromatography. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1017-1018:221-225. [DOI: 10.1016/j.jchromb.2015.11.060] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Revised: 11/05/2015] [Accepted: 11/22/2015] [Indexed: 12/13/2022]
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da Rosa Neng N, Sequeiros RCP, Florêncio Nogueira JM. Combining bar adsorptive microextraction with capillary electrophoresis-Application for the determination of phenolic acids in food matrices. Electrophoresis 2014; 35:2488-94. [DOI: 10.1002/elps.201400101] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Revised: 04/14/2014] [Accepted: 04/15/2014] [Indexed: 11/11/2022]
Affiliation(s)
- Nuno da Rosa Neng
- Chemistry and Biochemistry Department and Center of Chemistry and Biochemistry; Faculty of Sciences, University of Lisbon; Lisbon Portugal
| | - Rute C. P. Sequeiros
- Chemistry and Biochemistry Department and Center of Chemistry and Biochemistry; Faculty of Sciences, University of Lisbon; Lisbon Portugal
| | - José Manuel Florêncio Nogueira
- Chemistry and Biochemistry Department and Center of Chemistry and Biochemistry; Faculty of Sciences, University of Lisbon; Lisbon Portugal
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Continuous vs. segmented second-dimension system gradients for comprehensive two-dimensional liquid chromatography of sugarcane (Saccharum spp.). Anal Bioanal Chem 2014; 406:4315-24. [DOI: 10.1007/s00216-014-7786-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2014] [Revised: 03/18/2014] [Accepted: 03/24/2014] [Indexed: 12/17/2022]
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12
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Fanali C, Rocco A, Aturki Z, Mondello L, Fanali S. Analysis of polyphenols and methylxantines in tea samples by means of nano-liquid chromatography utilizing capillary columns packed with core–shell particles. J Chromatogr A 2012; 1234:38-44. [DOI: 10.1016/j.chroma.2011.12.103] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2011] [Revised: 12/28/2011] [Accepted: 12/29/2011] [Indexed: 11/30/2022]
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Castro-Puyana M, García-Cañas V, Simó C, Cifuentes A. Recent advances in the application of capillary electromigration methods for food analysis and Foodomics. Electrophoresis 2011; 33:147-67. [DOI: 10.1002/elps.201100385] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2011] [Revised: 08/10/2011] [Accepted: 08/10/2011] [Indexed: 12/17/2022]
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Khan I, Sangwan PL, Abdullah ST, Gupta BD, Dhar JK, Manickavasagar R, Koul S. Ten marker compounds-based comparative study of green tea and guava leaf by HPTLC densitometry methods: Antioxidant activity profiling. J Sep Sci 2011; 34:749-60. [DOI: 10.1002/jssc.201000718] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2010] [Revised: 01/09/2011] [Accepted: 01/09/2011] [Indexed: 12/11/2022]
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Lin Z, Pang J, Huang H, Zhang L, Chen G. [Recent advances in capillary electrochromatography and its coupling techniques]. Se Pu 2010; 28:273-83. [PMID: 20549979 DOI: 10.3724/sp.j.1123.2010.00273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
As a novel micro-separation technique, capillary electrochromatography (CEC) has the merits of high efficiency, high selectivity, high resolution and rapid analysis. However, the small-volume injection manipulated in capillary dimensions poses a great challenge for detectors in achieving high sensitivity. Currently, one of the major researches into CEC involves the development of some sensitive detection modes. The general introduction, which includes the historical perspectives and the principles of CEC, is briefly described. The recent advances about CEC coupled with various detectors and its applications in the separation of complex samples are summarized. A total of 141 references are reviewed.
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Affiliation(s)
- Zian Lin
- Key Laboratory of Analysis and Detection Technology for Food Safety of Ministry of Education, College of Chemistry & Chemical Engineering, Fuzhou University, Fuzhou 350002, China.
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Li X, Yao S, Tu B, Li X, Jia C, Song H. Determination and comparison of flavonoids and anthocyanins in Chinese sugarcane tips, stems, roots and leaves. J Sep Sci 2010; 33:1216-23. [DOI: 10.1002/jssc.200900567] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Abstract
Although there are many publications related to technological or methodological developments of CEC, few focus on the analysis of natural products, especially phytochemical bioactive compounds. This review summarized the application of CEC in the analysis of phytochemical bioactive components, including flavonoids, nucleosides, steroids, lignans, quinones and coumarins, as well as fingerprint analysis of herbs. The strategies for optimization of CEC conditions and detection were also discussed.
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Affiliation(s)
- Feng-qing Yang
- Department of Pharmaceutics, College of Chemistry and Chemical Engineering, Chongqing University, Chongqing, P. R. China
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Kalili KM, de Villiers A. Off-line comprehensive two-dimensional hydrophilic interaction×reversed phase liquid chromatographic analysis of green tea phenolics. J Sep Sci 2010; 33:853-63. [DOI: 10.1002/jssc.200900673] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Asensio-Ramos M, Hernández-Borges J, Rocco A, Fanali S. Food analysis: A continuous challenge for miniaturized separation techniques. J Sep Sci 2009; 32:3764-800. [DOI: 10.1002/jssc.200900321] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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