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Jiang L, Peng Y, Kim KH, Jeon D, Choe H, Han AR, Kim CY, Lee J. Jeongeuplla avenae gen. nov., sp. nov., a novel β-carotene-producing bacterium that alleviates salinity stress in Arabidopsis. Front Microbiol 2023; 14:1265308. [PMID: 38125566 PMCID: PMC10731981 DOI: 10.3389/fmicb.2023.1265308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 11/14/2023] [Indexed: 12/23/2023] Open
Abstract
A novel endophytic bacterium, designated DY-R2A-6T, was isolated from oat (Avena sativa L.) seeds and found to produces β-carotene. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain DY-R2A-6T had 96.3% similarity with Jiella aquimaris LZB041T, 96.0% similarity with Aurantimonas aggregate R14M6T and Aureimonas frigidaquae JCM 14755T, and less than 95.8% similarity with other genera in the family Aurantimonadaceae. The complete genome of strain DY-R2A-6T comprised 5,929,370 base pairs, consisting of one full chromosome (5,909,198 bp) and one plasmid (20,172 bp), with a G + C content was 69.1%. The overall genome-related index (OGRI), including digital DNA-DNA hybridization (<20.5%), ANI (<79.2%), and AAI (<64.2%) values, all fell below the thresholds set for novel genera. The major cellular fatty acids (>10%) of strain DY-R2A-6T were C16:0, C19:0 cyclo ω8c, and summed feature 8 (C18:1ω7c and/or C18:1ω6c). Ubiquinone-10 was the main respiratory quinone. We identified the gene cluster responsible for carotenoid biosynthesis in the genome and found that the pink-pigment produced by strain DY-R2A-6T is β-carotene. In experiment with Arabidopsis seedlings, co-cultivation with strain DY-R2A-6T led to a 1.4-fold increase in plant biomass and chlorophyll content under salt stress conditions, demonstrating its capacity to enhance salt stress tolerance in plants. Moreover, external application of β-carotene to Arabidopsis seedlings under salt stress conditions also mitigated the stress significantly. Based on these findings, strain DY-R2A-6T is proposed to represent a novel genus and species in the family Aurantimonadaceae, named Jeongeuplla avenae gen. nov., sp. nov. The type strain is DY-R2A-6T (= KCTC 82985T = GDMCC 1.3014T). This study not only identified a new taxon but also utilized genome analysis to predict and confirm the production of β-carotene by strain DY-R2A-6T. It also demonstrated the ability of this strain to enhance salt stress tolerance in plants, suggesting potential application in agriculture to mitigate environmental stress in crops.
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Affiliation(s)
- Lingmin Jiang
- Biological Resource Center, Korean Collection for Type Cultures (KCTC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup, Republic of Korea
| | - Yuxin Peng
- Biological Resource Center, Korean Collection for Type Cultures (KCTC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup, Republic of Korea
| | - Ki-Hyun Kim
- Biological Resource Center, Korean Collection for Type Cultures (KCTC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup, Republic of Korea
| | - Doeun Jeon
- Biological Resource Center, Korean Collection for Type Cultures (KCTC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup, Republic of Korea
| | - Hanna Choe
- Biological Resource Center, Korean Collection for Type Cultures (KCTC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup, Republic of Korea
| | - Ah-Reum Han
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup, Republic of Korea
| | - Cha Young Kim
- Biological Resource Center, Korean Collection for Type Cultures (KCTC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup, Republic of Korea
| | - Jiyoung Lee
- Biological Resource Center, Korean Collection for Type Cultures (KCTC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup, Republic of Korea
- Department of Biosystems and Bioengineering, KRIBB School of Biotechnology, University of Science and Technology (UST), Daejeon, Republic of Korea
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de Barros-Santos RG, Pimentel TC, Amorim TA, da Silva Nogueira ET, de Oliveira Vilar SB, de Souza MEAO, de Brito Araújo Carvalho AJ, Magnani M, dos Santos Lima M. Ultra-fast Determination of Free Carotenoids in Fruit Juices by Rapid Resolution Liquid Chromatography (RRLC): Method Validation and Characterization of Brazilian Whole Fruit Juices. FOOD ANAL METHOD 2023. [DOI: 10.1007/s12161-023-02458-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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3
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Lermen FH, Matias GDS, Bissaro CA, Ribeiro JLD, Gonçalves KY, Matos C, Filho NA, Jorge LMDM, Coelho TM. The Characteristics and Industrial Applications of Natural and Hydrophobic Modified Starch. STARCH-STARKE 2022. [DOI: 10.1002/star.202200022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Fernando Henrique Lermen
- Industrial Engineering Department. State University of Paraná
- Industrial Engineering Department Universidad Tecnológica del Perú
| | - Gustavo de Souza Matias
- Industrial Engineering Department. State University of Paraná
- Graduate Program in Chemical Engineering. State University of Maringá
| | | | - José Luis Duarte Ribeiro
- Department of Industrial Engineering. Federal University of Rio Grande do Sul. Av. Osvaldo Aranha
| | | | - Camila Matos
- Industrial Engineering Department. State University of Paraná
- Graduate Program in Industrial Engineering. Federal University of Technology–Paraná
| | - Nabi Assad Filho
- Department of Agro‐industrial Engineering. State University of Paraná
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Altunay N, Tuzen M, Lanjwani MF, Mogaddam MRA. Optimization of a rapid and sensitive ultrasound-assisted liquid–liquid microextraction using switchable hydrophilicity solvent for extraction of β-carotene in fruit juices and vegetables. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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5
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Rafson JP, Sacks GL. Swellable Sorbent Coatings for Parallel Extraction, Storage, and Analysis of Plant Metabolites. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:7805-7814. [PMID: 35699964 DOI: 10.1021/acs.jafc.2c01676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Quantitative and qualitative measurements of trace-level analytes in plants or foodstuffs, e.g., secondary metabolites like carotenoids, are often performed at centralized core facilities or off-site laboratories. However, preparation, storage, and/or transport of both intact samples and sample extracts may be cumbersome and complicated, especially for air-sensitive analytes. We describe the development of inexpensive swellable microextraction (SweME) devices for extraction and storage of nonpolar analytes. SweME devices consist of a thin layer of poly(dimethylsiloxane) (PDMS) grafted onto a stainless steel support. Pretreating the SweME device with small volumes of the organic solvent causes the PDMS to swell. The swollen SweME device can then be immersed directly into complex matrices for absorptive extraction of low-molecular-weight, nonpolar analytes. Following storage, analytes can be solvent-desorbed prior to characterization. Proof-of-principle work with carotenoids from tomatoes and carrots demonstrates that SweME is appropriate for semiquantitative analyses and increases the stability of air-sensitive analytes during storage at ambient temperatures as compared to the solvent extracts. Carotenoid profiles (fractional carotenoid contributions) from tomato and carrot samples were well correlated between SweME and liquid-liquid extraction (R2 = 0.97 and 0.94). Lycopene, the most abundant carotenoid in tomatoes, saw a less than 20% decrease in extracted mass during 1 month of ambient SweME storage. Extractions and desorptions can be run in parallel using multiwell plates. In summary, swelled sorbent extraction with SweME devices is a convenient and inexpensive approach for isolation and storage of analytes in complex matrices and may be particularly well suited for evaluating large numbers of plant samples through external laboratories.
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Affiliation(s)
- Jessica P Rafson
- Department of Food Science, Cornell University, Stocking Hall, Ithaca, New York 14853, United States
| | - Gavin L Sacks
- Department of Food Science, Cornell University, Stocking Hall, Ithaca, New York 14853, United States
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6
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Azooz EA, Al-Wani HSA, Gburi MS, Al-Muhanna EHB. Recent modified air-assisted liquid–liquid microextraction applications for medicines and organic compounds in various samples: A review. OPEN CHEM 2022. [DOI: 10.1515/chem-2022-0174] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Abstract
Air-assisted liquid–liquid microextraction (AALLME) is a procedure for sample preparation that has high recoveries and high preconcentration factors while using a small amount of extractants. This procedure has gained widespread acceptance among scientists due to a variety of advantages, including its easiness, being cheap, green, and available in most laboratories. The current review has focused on the analysis of medicines and organic compounds using various modes of AALLME. The use of various extractants and support factors were developed in many modes of AALLME. A review of literature revealed that the procedure is used as a powerful and efficient approach for extracting medicals and organic compounds. This review explained 12 different types of AALLME methods. The findings on the modifications of AALLME modes that have been published are summarized. Future directions are also being discussed.
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Affiliation(s)
- Ebaa Adnan Azooz
- Chemistry Department, The Gifted Students’ School in Al-Najaf, Ministry of Education , Al-Najaf , Iraq
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University , Najaf , Iraq
| | | | - Muna Shakir Gburi
- Chemistry Department, The Gifted Students’ School in Al-Najaf, Ministry of Education , Al-Najaf , Iraq
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da Silva RF, Carneiro CN, do C. de Sousa CB, J. V. Gomez F, Espino M, Boiteux J, de los Á. Fernández M, Silva MF, de S. Dias F. Sustainable extraction bioactive compounds procedures in medicinal plants based on the principles of green analytical chemistry: A review. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107184] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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8
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Kong L, Wang J, Gao Q, Li X, Zhang W, Wang P, Ma L, He L. Simultaneous determination of fat-soluble vitamins and carotenoids in human serum using a nanostructured ionic liquid based microextraction method. J Chromatogr A 2022; 1666:462861. [DOI: 10.1016/j.chroma.2022.462861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 01/22/2022] [Accepted: 01/26/2022] [Indexed: 10/19/2022]
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9
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Kochetkova M, Timofeeva I, Bulatov A. A derivatization and microextraction procedure with organic phase solidification on a paper template: Spectrofluorometric determination of formaldehyde in milk. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 263:120160. [PMID: 34284279 DOI: 10.1016/j.saa.2021.120160] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 06/28/2021] [Accepted: 07/04/2021] [Indexed: 06/13/2023]
Abstract
A derivatization and air-assisted dispersive liquid-liquid microextraction procedure with organic phase solidification on a paper template was developed for the first time. The procedure was used for the spectrofluorometric determination of formaldehyde in milk samples. The Hantzsch reaction of formaldehyde with acetylacetone in the presence of ammonia to form a derivative (3,5-diacetyl-1,4-dihydrolutidine) was implemented for the microextraction and detection of analyte. Thymol was investigated as the extraction solvent for the air-assisted dispersive liquid-liquid microextraction for the first time. In the developed procedure, molten thymol was added to the thermostated aqueous sample solution containing reagents for formaldehyde derivatization, and cloudy solution of fine thymol droplets was formed by air bubbling. After separation of phases the liquid extract phase was withdrawn with a dispenser and distributed on the black paper template in a thin layer to be solidified. The solidified extract phase on the template was inserted to a sample holder of a spectrofluorometer and fluorescence intensity was measured without using cuvettes. Under optimal experimental conditions the linear detection range was found to be 45-500 µg L-1 with LOD calculated from a blank test, based on 3σ, 15 µg L-1. The developed procedure does not require the dilution of the solid extract phase in organic solvent to be introduced in an analytical instrumentation and the use of cuvettes for spectrofluorometric detection.
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Affiliation(s)
- Maria Kochetkova
- Department of Analytical Chemistry, Institute of Chemistry, Saint-Petersburg University, St. Petersburg State University, SPbSU, SPbU, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
| | - Irina Timofeeva
- Department of Analytical Chemistry, Institute of Chemistry, Saint-Petersburg University, St. Petersburg State University, SPbSU, SPbU, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia.
| | - Andrey Bulatov
- Department of Analytical Chemistry, Institute of Chemistry, Saint-Petersburg University, St. Petersburg State University, SPbSU, SPbU, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
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10
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Chen QH, Wu BK, Pan D, Sang LX, Chang B. Beta-carotene and its protective effect on gastric cancer. World J Clin Cases 2021; 9:6591-6607. [PMID: 34447808 PMCID: PMC8362528 DOI: 10.12998/wjcc.v9.i23.6591] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 05/16/2021] [Accepted: 06/22/2021] [Indexed: 02/06/2023] Open
Abstract
Beta-carotene is an important natural pigment that is very beneficial to human health. It is widely found in vegetables and fruits. The three main functions are antioxidant effects, cell gap junction-related functions and immune-related functions. Because of its diverse functions, beta-carotene is believed to prevent and treat many chronic diseases. Gastric cancer is one of the most important diseases it can treat. Gastric cancer is a type of cancer with a high incidence. Its etiology varies, and the pathogenesis is complex. Gastric cancer seriously affects human health. The role of beta-carotene, a natural nutrient, in gastric cancer has been explored by many researchers, including molecular mechanisms and epidemiological studies. Molecular studies have mainly focused on oxidative stress, cell cycle, signal transduction pathways and immune-related mechanisms of beta-carotene in gastric cancer. Many epidemiological surveys and cohort studies of patients with gastric cancer have been conducted, and the results of these epidemiological studies vary due to the use of different research methods and analysis of different regions. This paper will summarize the results of these studies, mainly in terms of molecular mechanisms and epidemiological research results, which will provide a systematic basis for future studies of the treatment and prognosis of gastric cancer. This paper will help researchers identify new research directions.
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Affiliation(s)
- Qian-Hui Chen
- Department of Intensive Care Unit, First Affiliated Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Bao-Kang Wu
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning Province, China
| | - Dan Pan
- Department of Geriatrics, First Affiliated Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Li-Xuan Sang
- Department of Geriatrics, First Affiliated Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Bing Chang
- Department of Gastroenterology, First Affiliated Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
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11
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Villacís-Chiriboga J, Vera E, Van Camp J, Ruales J, Elst K. Valorization of byproducts from tropical fruits: A review, Part 2: Applications, economic, and environmental aspects of biorefinery via supercritical fluid extraction. Compr Rev Food Sci Food Saf 2021; 20:2305-2331. [PMID: 33864344 DOI: 10.1111/1541-4337.12744] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 01/30/2021] [Accepted: 02/21/2021] [Indexed: 12/25/2022]
Abstract
The global trade of tropical fruits is expected to increase significantly in the coming years. In 2018, the production was approximately 100 million tones, an increase of 3.3% compared to the previous year. Nevertheless, according to the Food and Agricultural Organization, every year one-third of the food produced in the world for human consumption is lost or wasted. More specifically, around 45% of the fruits, constituted mainly by peels, seeds, and pulps after juice extraction, are discarded mainly in the agricultural and processing steps. Therefore, decreasing and/or using these byproducts, which are often rich in bioactive components, have become an important focus for both the scientific community and the fruit processing industry. In this line, supercritical fluid extraction (SFE) technology is expected to play a significant role in the valorization of these byproducts. This review presents the concepts of a tropical fruit biorefinery using supercritical CO2 extraction and the potential applications of the isolated fractions. There is a specific focus on the extraction of bioactive compounds, that is, carotenoids and phenolics, but also oils and other valuable molecules. Moreover, the techno-economic and environmental performance is assessed. Overall, the biorefinery of tropical fruits via SFE provides new opportunities for development of food and pharmaceutical products with improved economic and environmental performance.
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Affiliation(s)
- José Villacís-Chiriboga
- Business Unit Separation and Conversion Technology, Flemish Institute for Technological Research (VITO), Mol, Belgium.,Department of Food Technology, Safety and Health, Ghent University, Ghent, Belgium.,Department of Food Science and Biotechnology, Escuela Politécnica Nacional, Quito, Pichincha, Ecuador
| | - Edwin Vera
- Department of Food Science and Biotechnology, Escuela Politécnica Nacional, Quito, Pichincha, Ecuador
| | - John Van Camp
- Department of Food Technology, Safety and Health, Ghent University, Ghent, Belgium
| | - Jenny Ruales
- Department of Food Science and Biotechnology, Escuela Politécnica Nacional, Quito, Pichincha, Ecuador
| | - Kathy Elst
- Business Unit Separation and Conversion Technology, Flemish Institute for Technological Research (VITO), Mol, Belgium
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12
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A comprehensive review on application of the syringe in liquid- and solid-phase microextraction methods. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2021. [DOI: 10.1007/s13738-020-02025-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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13
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Safdarian M, Hashemi P, Ghiasvand A. A fast and simple method for determination of β-carotene in commercial fruit juice by cloud point extraction-cold column trapping combined with UV-Vis spectrophotometry. Food Chem 2020; 343:128481. [PMID: 33183871 DOI: 10.1016/j.foodchem.2020.128481] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 09/28/2020] [Accepted: 10/22/2020] [Indexed: 11/26/2022]
Abstract
Cloud point extraction with cold column trapping (CPE-CCT) was used for the rapid preconcentration and UV-Vis spectroscopy of beta-carotene in fruit juice samples. A central composite design was employed to optimize parameters such as pH, incubation time, cloud point temperature and surfactant concentration. A detection limit of 0.01 mg/L of beta-carotene (3SB/m), a coefficient of determination of 0.998 and a linear range of 0.04-10 mg/L were obtained. The CPE-CCT method was confirmed in comparison with the corresponding direct HPLC standard method. A simple, portable and cost-effective device was also utilized. Owing to eliminating centrifugation, the conditions of CPE-CCT were more moderate and its sample handling easier compared to conventional CPE.
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Affiliation(s)
- Mehdi Safdarian
- Department of Chemistry, Faculty of Science, Lorestan University, Khoramabad, Iran; Nanotechnology Research Centre, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Payman Hashemi
- Department of Chemistry, Faculty of Science, Lorestan University, Khoramabad, Iran.
| | - Alireza Ghiasvand
- Department of Chemistry, Faculty of Science, Lorestan University, Khoramabad, Iran; Australian Centre for Research on Separation Science (ACROSS), School of Natural Sciences, University of Tasmania, Hobart, Tasmania 7001, Australia
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Lv Y, Bai H, He Y, Yang J, Ouyang Z, Ma Q. Accelerated air-assisted in-syringe extraction and needle spray ionization coupled with miniature mass spectrometry: A streamlined platform for rapid on-site analysis. Anal Chim Acta 2020; 1136:106-114. [DOI: 10.1016/j.aca.2020.08.043] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 08/04/2020] [Accepted: 08/24/2020] [Indexed: 11/28/2022]
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15
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Air–assisted liquid–liquid microextraction; principles and applications with analytical instruments. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2019.115734] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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16
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Sakaew C, Sricharoen P, Limchoowong N, Nuengmatcha P, Kukusamude C, Kongsri S, Chanthai S. Green and facile synthesis of water-soluble carbon dots from ethanolic shallot extract for chromium ion sensing in milk, fruit juices, and wastewater samples. RSC Adv 2020; 10:20638-20645. [PMID: 35517751 PMCID: PMC9054292 DOI: 10.1039/d0ra03101a] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 05/25/2020] [Indexed: 11/21/2022] Open
Abstract
Self-functionalized carbon dots (CDs) were prepared from ethanolic shallot extract to obtain a total phenolic precursor.
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Affiliation(s)
- Chinawooth Sakaew
- Materials Chemistry Research Center
- Department of Chemistry and Center of Excellence for Innovation in Chemistry
- Faculty of Science
- Khon Kaen University
- Khon Kaen 40002
| | - Phitchan Sricharoen
- Preclinical Science Center
- Faculty of Dentistry
- Bangkokthonburi University
- Bangkok 10170
- Thailand
| | - Nunticha Limchoowong
- Department of Chemistry
- Faculty of Science
- Srinakharinwirot University
- Bangkok 10110
- Thailand
| | - Prawit Nuengmatcha
- Nanomaterials Chemistry Research Unit
- Department of Chemistry
- Faculty of Science and Technology
- Nakhon Si Thammarat Rajabhat University
- Nakhon Si Thammarat 80280
| | - Chunyapuk Kukusamude
- Nuclear Research and Development Division
- Thailand Institute of Nuclear Technology (Public Organization)
- Ongkharak
- Thailand
| | - Supalak Kongsri
- Nuclear Research and Development Division
- Thailand Institute of Nuclear Technology (Public Organization)
- Ongkharak
- Thailand
| | - Saksit Chanthai
- Materials Chemistry Research Center
- Department of Chemistry and Center of Excellence for Innovation in Chemistry
- Faculty of Science
- Khon Kaen University
- Khon Kaen 40002
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17
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Ultrasound-assisted emulsification microextraction coupled with salt-induced demulsification based on solidified floating organic drop prior to HPLC determination of Sudan dyes in chili products. ARAB J CHEM 2019. [DOI: 10.1016/j.arabjc.2016.12.020] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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18
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Li H, Zhao C, Tian H, Yang Y, Li W. Liquid–Liquid Microextraction Based on Acid–Base-Induced Deep Eutectic Solvents for Determination of β-Carotene and Lycopene in Fruit Juices. FOOD ANAL METHOD 2019. [DOI: 10.1007/s12161-019-01639-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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19
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Zhao W, Jing X, Chang M, Meng J, Feng C. Vortex‐assisted Emulsification Microextraction for the Determination of Pyrethroids in Mushroom. B KOREAN CHEM SOC 2019. [DOI: 10.1002/bkcs.11850] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Wenfei Zhao
- College of Food Science and EngineeringShanxi Agricultural University Taigu 030801 China
| | - Xu Jing
- College of Food Science and EngineeringShanxi Agricultural University Taigu 030801 China
| | - Mingchang Chang
- College of Food Science and EngineeringShanxi Agricultural University Taigu 030801 China
| | - Junlong Meng
- College of Food Science and EngineeringShanxi Agricultural University Taigu 030801 China
| | - Cuiping Feng
- College of Food Science and EngineeringShanxi Agricultural University Taigu 030801 China
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A novel air-assisted liquid-liquid microextraction based on in-situ phase separation for the HPLC determination of bisphenols migration from disposable lunch boxes to contacting water. Talanta 2018; 189:116-121. [DOI: 10.1016/j.talanta.2018.06.072] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 05/31/2018] [Accepted: 06/24/2018] [Indexed: 11/18/2022]
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21
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Limchoowong N, Sricharoen P, Konkayan M, Techawongstien S, Chanthai S. A simple, efficient and economic method for obtaining iodate-rich chili pepper based chitosan edible thin film. Journal of Food Science and Technology 2018; 55:3263-3272. [PMID: 30065438 DOI: 10.1007/s13197-018-3260-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 05/11/2018] [Accepted: 05/28/2018] [Indexed: 11/26/2022]
Abstract
The present study was aimed at designing an iodine supplement in form of edible film made of iodate-coated chitosan (CS-IO3). Inclusion of so obtained films in diet can help in preventing thyroid cancer, leading to improved public health. Chili pepper was coated with iodate thin film (1.5 µm). The iodate-rich film is ready-to-eat serving valuable nutrients. Stability studies of CS-IO3 film using water dipping revealed that there was no leaching of iodate ion, due to the strong interactions between cationic amino group of chitosan and iodate ion. The film showed no change in its antioxidant activity. Iodate concentration in the film was determined at 620 nm selectively, based on the decolorization of malachite green economic method. Iodate content in fruits coated with 1.5% (w/v) CS-IO3 was 11.5 mg g-1 of dry film sample. The iodate-rich samples could be stored without much effect on its freshness, indicating a good shelf life.
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Affiliation(s)
- Nunticha Limchoowong
- 1Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, 123 Mittraphab Road, M. 16, T. Ni-Muang, A. Muang, Khon Kaen, 40002 Thailand
| | - Phitchan Sricharoen
- 1Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, 123 Mittraphab Road, M. 16, T. Ni-Muang, A. Muang, Khon Kaen, 40002 Thailand
| | - Mongkol Konkayan
- 1Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, 123 Mittraphab Road, M. 16, T. Ni-Muang, A. Muang, Khon Kaen, 40002 Thailand
| | - Suchila Techawongstien
- 2Department of Plant Science and Agricultural Resources, Faculty of Agriculture, Khon Kaen University, Khon Kaen, 40002 Thailand
| | - Saksit Chanthai
- 1Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, 123 Mittraphab Road, M. 16, T. Ni-Muang, A. Muang, Khon Kaen, 40002 Thailand
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Soquetta MB, Terra LDM, Bastos CP. Green technologies for the extraction of bioactive compounds in fruits and vegetables. CYTA - JOURNAL OF FOOD 2018. [DOI: 10.1080/19476337.2017.1411978] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Marcela Bromberger Soquetta
- Department of Process Engineering, Technology Center, Federal University of Santa Maria (UFSM), Santa Maria, Brazil
| | - Lisiane de Marsillac Terra
- Department of Process Engineering, Technology Center, Federal University of Santa Maria (UFSM), Santa Maria, Brazil
| | - Caroline Peixoto Bastos
- Center of Chemical, Pharmaceutical and Food Sciences, Federal University of Pelotas, Pelotas, Brazil
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Farahmand F, Ghasemzadeh B, Naseri A. Air-assisted liquid-liquid microextraction using floating organic droplet solidification for simultaneous extraction and spectrophotometric determination of some drugs in biological samples through chemometrics methods. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 188:72-79. [PMID: 28692870 DOI: 10.1016/j.saa.2017.06.069] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 06/03/2017] [Accepted: 06/30/2017] [Indexed: 06/07/2023]
Abstract
An air assisted liquid-liquid microextraction by applying the solidification of a floating organic droplet method (AALLME-SFOD) coupled with a multivariate calibration method, namely partial least squares (PLS), was introduced for the fast and easy determination of Atenolol (ATE), Propanolol (PRO) and Carvedilol (CAR) in biological samples via a spectrophotometric approach. The analytes would be extracted from neutral aqueous solution into 1-dodecanol as an organic solvent, using AALLME. In this approach a low-density solvent with a melting point close to room temperature was applied as the extraction solvent. The emulsion was immediately formed by repeatedly pulling in and pushing out the aqueous sample solution and extraction solvent mixture via a 10-mL glass syringe for ten times. After centrifugation, the extractant droplet could be simply collected from the aqueous samples by solidifying the emulsion at a lower than the melting point temperature. In the next step, analytes were back extracted simultaneously into the acidic aqueous solution. Derringer and Suich multi-response optimization were utilized for simultaneous optimizing the parameters of three analytes. This method incorporates the benefits of AALLME and dispersive liquid-liquid microextraction considering the solidification of floating organic droplets (DLLME-SFOD). Calibration graphs under optimized conditions were linear in the range of 0.30-6.00, 0.32-2.00 and 0.30-1.40μg mL-1 for ATE, CAR and PRO, respectively. Other analytical parameters were obtained as follows: enrichment factors (EFs) were found to be 11.24, 16.55 and 14.90, and limits of detection (LODs) were determined to be 0.09, 0.10 and 0.08μg mL-1 for ATE, CAR and PRO, respectively. The proposed method will require neither a highly toxic chlorinated solvent for extraction nor an organic dispersive solvent in the application process; hence, it is more environmentally friendly.
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Affiliation(s)
- Farnaz Farahmand
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz 51644-14766, Iran
| | - Bahar Ghasemzadeh
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz 51644-14766, Iran
| | - Abdolhossein Naseri
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz 51644-14766, Iran.
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25
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Sricharoen P, Lamaiphan N, Patthawaro P, Limchoowong N, Techawongstien S, Chanthai S. Phytochemicals in Capsicum oleoresin from different varieties of hot chilli peppers with their antidiabetic and antioxidant activities due to some phenolic compounds. ULTRASONICS SONOCHEMISTRY 2017; 38:629-639. [PMID: 27544798 DOI: 10.1016/j.ultsonch.2016.08.018] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2016] [Revised: 08/11/2016] [Accepted: 08/11/2016] [Indexed: 05/28/2023]
Abstract
Due to its wide use in nutritional therapy, a capsicum oleoresin extraction from hot chilli pepper was optimized using ultrasound assisted extraction. Under optimal conditions, a 0.1g sample in 10mL of a 20% water in methanol solution was extracted at 50°C for 20min to remove phytochemicals consisting of oleoresin, phenolics, carotenoids, flavonoids, capsaicinoids (pungency level), reducing sugars. Antioxidant and antidiabetic activities of the crude extracts from 14 chilli pepper varieties were examined. The antioxidant and antidiabetic activities of some phenolic compounds were also tested individually. The results showed that these chilli pepper samples are a rich source of phytochemicals with antioxidant and antidiabetic activities. High antioxidant activity of the extracts was evaluated using the 2,2-diphenyl-1-picrylhydrazyl, N,N-dimethyl-p-phenylenediamine dihydrochloride, 2,2'-azino-bis(3-ethylbenzothiazolin-6-sulfonic acid) and ferric ion reducing antioxidant power assays. The crude extracts had a lower level of sugars induced by the inhibitory effect of α-amylase activity. Thus, their enzymatic inhibitory effect might have resulted from a synergism among the phytochemicals concerned. Therefore, a diet with this type of food may have beneficial health effects.
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Affiliation(s)
- Phitchan Sricharoen
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Nattida Lamaiphan
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Pongpisoot Patthawaro
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Nunticha Limchoowong
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Suchila Techawongstien
- Department of Plant Science and Agricultural Resources, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Saksit Chanthai
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand.
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26
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Evaluation of abamectin, diazinon and chlorpyrifos pesticide residues in apple product of Mahabad region gardens: Iran in 2014. Food Chem 2017; 231:148-155. [DOI: 10.1016/j.foodchem.2017.03.120] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Revised: 03/17/2017] [Accepted: 03/21/2017] [Indexed: 11/20/2022]
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27
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Preconcentration and trace determination of copper (II) in Thai food recipes using Fe 3 O 4 @Chi–GQDs nanocomposites as a new magnetic adsorbent. Food Chem 2017; 230:388-397. [DOI: 10.1016/j.foodchem.2017.03.066] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 02/17/2017] [Accepted: 03/11/2017] [Indexed: 11/22/2022]
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28
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Sricharoen P, Limchoowong N, Techawongstien S, Chanthai S. New approach applying a pet fish air pump in liquid-phase microextraction for the determination of Sudan dyes in food samples by HPLC. J Sep Sci 2017; 40:3848-3856. [PMID: 28748579 DOI: 10.1002/jssc.201700642] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 07/14/2017] [Accepted: 07/17/2017] [Indexed: 11/11/2022]
Abstract
A new approach applying a pet fish air pump is introduced to develop an extraction method, namely, air-pump-enhanced emulsion, followed by salt-assisted emulsion breaking based on solidified floating organic drop microextraction for the extraction and preconcentration of Sudan I-IV before high-performance liquid chromatography. The applicability of this method was successfully demonstrated by determination of these dyes in four chili products that include chili powder, chili oil, chili sauce, and chili paste. An enrichment factor of 62 was obtained only with a sample solution of 5 mL. A linear range of 0.5-2500 ng/mL was obtained with a limit of detection of 0.16-0.24 ng/mL and recovery of 90-110%. This method is superior to other liquid-liquid extraction methods, as is simple, rapid, environmental friendly, and its phase separation needs no centrifugation. It also needs no disperser solvent and requires less organic solvent, and satisfies the criteria to be called as a green extraction. Therefore, this facile extraction method can be successfully applied in the determination of Sudan dyes in food samples.
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Affiliation(s)
- Phitchan Sricharoen
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
| | - Nunticha Limchoowong
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
| | - Suchila Techawongstien
- Department of Plant Science and Agricultural Resources, Faculty of Agriculture, Khon Kaen University, Khon Kaen, Thailand
| | - Saksit Chanthai
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
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29
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Solidification of floating organic droplet in dispersive liquid-liquid microextraction as a green analytical tool. Talanta 2017; 170:22-35. [DOI: 10.1016/j.talanta.2017.03.084] [Citation(s) in RCA: 103] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 03/25/2017] [Accepted: 03/26/2017] [Indexed: 01/09/2023]
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30
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Sricharoen P, Limchoowong N, Areerob Y, Nuengmatcha P, Techawongstien S, Chanthai S. Fe 3O 4/hydroxyapatite/graphene quantum dots as a novel nano-sorbent for preconcentration of copper residue in Thai food ingredients: Optimization of ultrasound-assisted magnetic solid phase extraction. ULTRASONICS SONOCHEMISTRY 2017; 37:83-93. [PMID: 28427685 DOI: 10.1016/j.ultsonch.2016.12.037] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Revised: 12/28/2016] [Accepted: 12/28/2016] [Indexed: 05/24/2023]
Abstract
Fe3O4/hydroxyapatite/graphene quantum dots (Fe3O4/HAP/GQDs) nanocomposite was synthesized and used as a novel magnetic adsorbent. This nanocomposite was characterized using scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, X-ray diffraction, energy dispersive X-ray spectroscopy, and magnetization property. The Fe3O4/HAP/GQDs was applied to pre-concentrate copper residues in Thai food ingredients (so-called "Tom Yum Kung") prior to determination by inductively coupled plasma-atomic emission spectrometry. Based on ultrasound-assisted extraction optimization, various parameters affecting the magnetic solid-phase extraction, such as solution pH, amount of magnetic nanoparticles, adsorption and desorption time, and type of elution solvent and its concentration were evaluated. Under optimal conditions, the linear range was 0.05-1500ngmL-1 (R2>0.999), limit of detection was 0.58ngmL-1, and limit of quantification was 1.94ngmL-1. The precision, expressed as the relative standard deviation of the calibration curve slope (n=5), for intra-day and inter-day analyses was 0.87% and 4.47%, respectively. The recovery study of Cu for real samples was ranged between 83.5% and 104.8%. This approach gave the enrichment factor of 39.2, which guarantees trace analysis of Cu residues. Therefore, Fe3O4/HAP/GQDs can be a potential and suitable candidate for the pre-concentration and separation of Cu from food samples. It can easily be reused after treatment with deionized water.
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Affiliation(s)
- Phitchan Sricharoen
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Nunticha Limchoowong
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Yonrapach Areerob
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Prawit Nuengmatcha
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand; Department of Chemistry, Faculty of Science and Technology, Nakhon Si Thammarat Rajabhat University, Nakhon Si Thammarat 80280, Thailand
| | - Suchila Techawongstien
- Department of Plant Science and Agricultural Resources, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Saksit Chanthai
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand.
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31
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Limchoowong N, Sricharoen P, Techawongstien S, Chanthai S. Using bio-dispersive solution of chitosan for green dispersive liquid-liquid microextraction of trace amounts of Cu(II) in edible oils prior to analysis by ICP-OES. Food Chem 2017; 230:398-404. [PMID: 28407927 DOI: 10.1016/j.foodchem.2017.03.070] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Revised: 02/21/2017] [Accepted: 03/11/2017] [Indexed: 11/18/2022]
Abstract
A green approach using chitosan solution as a novel bio-dispersive agent for the dispersive liquid-liquid microextraction (DLLME) of trace amounts of Cu(II) in edible oils is presented. An emulsion was formed by mixing the oil sample with 300µL of 0.25% (w/v) chitosan solution containing 200µL of 6molL-1 HCl. Deionized water was used to induce emulsion breaking without centrifugation. The centrifuged Cu(II) extract was collected and analyzed using an inductively coupled plasma-optical emission spectrometer. The detection and quantitation limits were 2.1 and 6.8µgL-1, respectively. Trace amounts of Cu(II) in six edible oil samples were tested under optimum conditions for DLLME, with a recovery ranging from 90.3% to 109.3%. Therefore, the new dispersive agent in DLLME offers superior performance owing to the non-toxic nature of the solvent, short extraction time, high sensitivity, and easy operation.
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Affiliation(s)
- Nunticha Limchoowong
- Materials Chemistry Research Unit, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Phitchan Sricharoen
- Materials Chemistry Research Unit, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Suchila Techawongstien
- Department of Plant Science and Agricultural Resources, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Saksit Chanthai
- Materials Chemistry Research Unit, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand.
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32
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Rajabi MS, Moniruzzaman M, Mahmood H, Sivapragasam M, Bustam MA. Extraction of β-carotene from organic phase using ammonium based ionic liquids aqueous solution. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2016.12.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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33
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Yang M, Hong K, Li X, Ge F, Tang Y. Freezing temperature controlled deep eutectic solvent dispersive liquid–liquid microextraction based on solidification of floating organic droplets for rapid determination of benzoylureas residual in water samples with assistance of metallic salt. RSC Adv 2017. [DOI: 10.1039/c7ra11030h] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A hydrophobic deep eutectic solvent worked as an extractant to extract benzoylureas with assistance of FeCl3 contained dispersive-demulsified solvent.
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Affiliation(s)
- Miyi Yang
- Institute of Chinese Materia China Academy of Chinese Medical Science
- Beijing 100700
- China
| | - Kun Hong
- Institute of Chinese Materia China Academy of Chinese Medical Science
- Beijing 100700
- China
| | - Xiaoqiang Li
- Institute of Chinese Materia China Academy of Chinese Medical Science
- Beijing 100700
- China
| | - Fangji Ge
- Institute of Chinese Materia China Academy of Chinese Medical Science
- Beijing 100700
- China
| | - Yuqing Tang
- Institute of Chinese Materia China Academy of Chinese Medical Science
- Beijing 100700
- China
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34
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Kaewanan P, Sricharoen P, Limchoowong N, Sripakdee T, Nuengmatcha P, Chanthai S. A fluorescence switching sensor based on graphene quantum dots decorated with Hg2+ and hydrolyzed thioacetamide for highly Ag+-sensitive and selective detection. RSC Adv 2017. [DOI: 10.1039/c7ra09126e] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A fluorescent sensor based on graphene quantum dots (GQDs) was developed for the determination of silver ions (Ag+).
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Affiliation(s)
- Pimpisa Kaewanan
- Materials Chemistry Research Center
- Department of Chemistry
- Center of Excellence for Innovation in Chemistry
- Faculty of Science
- Khon Kaen University
| | - Phitchan Sricharoen
- Materials Chemistry Research Center
- Department of Chemistry
- Center of Excellence for Innovation in Chemistry
- Faculty of Science
- Khon Kaen University
| | - Nunticha Limchoowong
- Materials Chemistry Research Center
- Department of Chemistry
- Center of Excellence for Innovation in Chemistry
- Faculty of Science
- Khon Kaen University
| | - Thitiya Sripakdee
- Chemistry Program
- Faculty of Science and Technology
- Sakon Nakhon Rajabhat University
- Sakon Nakhon 47000
- Thailand
| | - Prawit Nuengmatcha
- Department of Chemistry
- Faculty of Science and Technology
- Nakhon Si Thammarat Rajabhat University
- Nakhon Si Thammarat 80280
- Thailand
| | - Saksit Chanthai
- Materials Chemistry Research Center
- Department of Chemistry
- Center of Excellence for Innovation in Chemistry
- Faculty of Science
- Khon Kaen University
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35
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Asghari A, Khanalipoor F, Barfi B, Rajabi M. Optimized miniaturized air-assisted liquid–liquid microextraction for determination of non-steroidal anti-inflammatory drugs in bio-fluid samples. RSC Adv 2016. [DOI: 10.1039/c6ra18795a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A miniaturized air-assisted liquid–liquid microextraction method was developed for the simultaneous extraction of amlodipine, atorvastatin, and ibuprofen in some human bio-fluid samples prior to their determination using HPLC.
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Affiliation(s)
| | | | - Behruz Barfi
- Department of Chemistry
- Semnan University
- Semnan 35195-363
| | - Maryam Rajabi
- Department of Chemistry
- Semnan University
- Semnan 35195-363
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