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Sharma S, Padhi S, Chourasia R, Dey S, Patnaik S, Sahoo D. Phytoconstituents from Urtica dioica (stinging nettle) of Sikkim Himalaya and their molecular docking interactions revealed their nutraceutical potential as α-amylase and α-glucosidase inhibitors. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2023; 60:2649-2658. [PMID: 37599855 PMCID: PMC10439086 DOI: 10.1007/s13197-023-05789-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 05/24/2023] [Accepted: 06/06/2023] [Indexed: 08/22/2023]
Abstract
In this study, antioxidative methanolic leaf extract (MeOH-SIS) of Urtica dioica was characterized for anti-diabetic activity. The extract was purified on a column to yield seven homogenous fractions (F1-F7) which were further determined for DPPH radical scavenging activity. MeOH-SIS and the fraction F1 (selected based on % yield and activity) were evaluated for their in vitro α-amylase and α-glucosidase inhibitory activity. The results showed inhibition of both enzymes in a dose dependent manner and F1 exhibited relatively higher inhibition than its mother extract MeOH-SIS. GC-MS analyses of both the extracts identified 24 major compounds among which 10 were previously described as bioactive compounds. Among all, 5 compounds demonstrated to have quality pharmacokinetics profiles and were examined for possible binding affinity against the active sites of α-amylase and α-glucosidase using molecular docking. The binding interaction of 2R-acetoxymethyl-1,3,3-trimethyl-4 T-(3-methyl-2-buten-1-yl)-1 T-cyclohexanol within the active sites of the target receptors was found to be significant among others, and can be developed as a potential inhibitor of α-amylase and α-glucosidase. The leaf extract can be utilized to develop food additive for the control and management of oxidative stress induced diabetes.
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Affiliation(s)
- Swati Sharma
- Institute of Bioresources and Sustainable Development, Regional Centre, Gangtok, Sikkim India
- School of Biotechnology, Kalinga Institute of Industrial Technology, Bhubaneswar, Odisha India
| | - Srichandan Padhi
- Institute of Bioresources and Sustainable Development, Regional Centre, Gangtok, Sikkim India
| | - Rounak Chourasia
- Institute of Bioresources and Sustainable Development, Regional Centre, Gangtok, Sikkim India
| | - Sourav Dey
- Gauhati Biotech Park, Gauhati, 781031 India
| | - Srinivas Patnaik
- School of Biotechnology, Kalinga Institute of Industrial Technology, Bhubaneswar, Odisha India
| | - Dinabandhu Sahoo
- Institute of Bioresources and Sustainable Development, Regional Centre, Gangtok, Sikkim India
- Department of Botany, University of Delhi, New Delhi, India
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Quantitative analysis of fatty acids and vitamin E and total lipid profiling of dietary supplements from the German market. Eur Food Res Technol 2023. [DOI: 10.1007/s00217-022-04193-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
AbstractCertain polyunsaturated fatty acids with n-3 double bonds are essential nutrients for the human body and are part of the bilayer of cell membranes or precursors of tissue hormones. The most abundant dietary n-3 fatty acids in human nutrition are α-linolenic, eicosapentaenoic, and docosahexaenoic acid and can be taken up through dietary sources such as vegetable oils or fish or, alternatively, dietary supplements with high levels of n-3 fatty acids. In previous studies, considerable variation of lipid patterns and quantities of n-3 fatty acids were observed. In this study, 33 dietary supplements from the German market, based on fish-, krill-, microalgae, and plant oil, have been analyzed. Lipid profiling (LC–MS) revealed triacylglycerols as the dominant lipid species in most samples. However, krill oil was rich in phospholipids and samples containing fatty acid concentrates featured abundant fatty acid ethyl esters and diacylglycerols. Furthermore, total lipid profiles showed considerable variance depending on the lipid sources (e.g., fish or plant oil), which was also apparent in fatty acid analysis. The contents of n-3 fatty acids ranged between 150 and 570 mg/g capsule content (GC–MS) and vitamin E (α-tocopherol and tocopheryl acetate) were found in quantities ranging from 1.2 to 86.1 mg/g capsule content (HPLC–UV/Vis). While our analyses indicated a good agreement between labeled and present quantities of total n-3 fatty acids and vitamin E for the majority of samples, significant differences in agreement between individual fatty acids were observed, as well as frequent mismatches between declared and present vitamin E derivatives.
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Shahidi F, Pinaffi-Langley ACC, Fuentes J, Speisky H, de Camargo AC. Vitamin E as an essential micronutrient for human health: Common, novel, and unexplored dietary sources. Free Radic Biol Med 2021; 176:312-321. [PMID: 34610363 DOI: 10.1016/j.freeradbiomed.2021.09.025] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 09/20/2021] [Accepted: 09/22/2021] [Indexed: 01/18/2023]
Abstract
Vitamin E comprises a group of vitamers that includes tocopherols and tocotrienols. They occur in four homologues according to the number and position of methyl groups attached to the chromanol ring. Vitamin E, a liposoluble antioxidant, may participate as an adjuvant in the prevention and treatment of cardiovascular, neurological, and aging-related diseases. Furthermore, vitamin E has applications in the food industry as a natural additive. In this contribution, the most recent information on the dietary sources of vitamin E, including common, novel, and unexplored sources, is presented. Common edible oils, such as those of corn, olive, palm, rice bran, and peanut, represent the most prominent sources of vitamin E. However, specialty and underutilized oils such as those obtained from tree nuts, fruit seeds, and by-products, emerge as novel sources of this important micronutrient. Complementary studies should examine the tocotrienol content of vitamin E dietary sources to better understand the different biological functions of these vitamers.
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Affiliation(s)
- Fereidoon Shahidi
- Department of Biochemistry, Memorial University of Newfoundland, St. John's, NL, A1B3X9 Canada.
| | | | - Jocelyn Fuentes
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago, Chile; School of Kinesiology, Faculty of Medicine, Universidad Finis Terrae, Santiago, Chile
| | - Hernán Speisky
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago, Chile
| | - Adriano Costa de Camargo
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago, Chile.
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Karrar E, Ahmed IAM, Manzoor MF, Wei W, Sarpong F, Wang X. Lipid-soluble vitamins from dairy products: Extraction, purification, and analytical techniques. Food Chem 2021; 373:131436. [PMID: 34740052 DOI: 10.1016/j.foodchem.2021.131436] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 10/14/2021] [Accepted: 10/17/2021] [Indexed: 12/12/2022]
Abstract
Milk and dairy products are considered as essential sources of lipid-soluble vitamins (LSVs) for human nutrition. Due to the lower concentrations, complexity, and instability of LSVs during extraction, their quantification remains challenging. This review focus on advances in the extraction and quantification of LSVs from different dairy products. Saponification, and liquid-liquid (LLE), solid-phase (SPE), and supercritical fluid (SFE) extraction methods, as well as dispersive liquid-liquid microextraction, are the most common techniques. Liquid chromatography-mass spectrophotometry (LC-MS) has unique advantages for LSVs determination and quantification due to its high sensitivity and specificity.
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Affiliation(s)
- Emad Karrar
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu, People's Republic of China
| | - Isam A Mohamed Ahmed
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Muhammad Faisal Manzoor
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, People's Republic of China
| | - Wei Wei
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu, People's Republic of China
| | - Frederick Sarpong
- Value Addition Division, Oil Palm Research Institute, Council for Scientific and Industrial Research, Kade, Ghana
| | - Xingguo Wang
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu, People's Republic of China.
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Talawar ST, Chetana R, Roopa B, Suresh Kumar G. Effect of wheat bran oil concentrates on quality and nutrition of WBO dark compound chocolates. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Simple and sensitive determination of vitamin A and E in the milk and egg yolk samples by using dispersive solid phase extraction with newly synthesized polymeric material. J Food Compost Anal 2020. [DOI: 10.1016/j.jfca.2020.103482] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Aresta A, Milani G, Clodoveo ML, Franchini C, Cotugno P, Radojcic Redovnikovic I, Quinto M, Corbo F, Zambonin C. Development, Optimization, and Comparison of Different Sample Pre-Treatments for Simultaneous Determination of Vitamin E and Vitamin K in Vegetables. Molecules 2020; 25:molecules25112509. [PMID: 32481534 PMCID: PMC7321086 DOI: 10.3390/molecules25112509] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 05/25/2020] [Accepted: 05/26/2020] [Indexed: 11/16/2022] Open
Abstract
The absence of vitamin E from the diet can lead to cardiovascular disease, cancer, cataracts, and premature aging. Vitamin K deficiency can lead to bleeding disorders. These fat-soluble vitamins are important nutritional factors that can be determined in different methods in vegetables. In this work, the simultaneous determination of α-tocopherol, α-tocopheryl acetate, phylloquinone, and menaquinone-4 by gas chromatography–mass spectrometry (GC–MS) has been optimized using both direct injection and solid phase microextraction (SPME). Three different sample pre-treatment approaches based on: (A) solid–liquid–liquid–liquid extraction (SLE–LLE), (B) SLE, and (C) SPME were then applied to extract the target analytes from vegetables samples using menaquinone as internal standard. All the procedures allowed the determination of the target analytes in onion, carrot, celery, and curly kale samples. Similar results were obtained with the three different approaches, even if the one based on SPME offers the best performance, together with a reduced use of solvent, time consumption, and experimental complexity, which makes it the preferable option for industrial applications.
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Affiliation(s)
- Antonella Aresta
- Department of Chemistry, University “Aldo Moro”, Bari Via E. Orabona, 4, I-70125 Bari, Italy; (A.A.); (P.C.); (C.Z.)
| | - Gualtiero Milani
- Department of Pharmacy-Pharmaceutical Sciences, University “Aldo Moro”, Bari Via E. Orabona, 4, I-70125 Bari, Italy; (G.M.); (C.F.)
| | - Maria Lisa Clodoveo
- Interdisciplinary Department of Medicine, University “Aldo Moro”, Bari Pz G. Cesare 11, Policlinico di Bari, 70124 Bari, Italy;
| | - Carlo Franchini
- Department of Pharmacy-Pharmaceutical Sciences, University “Aldo Moro”, Bari Via E. Orabona, 4, I-70125 Bari, Italy; (G.M.); (C.F.)
| | - Pietro Cotugno
- Department of Chemistry, University “Aldo Moro”, Bari Via E. Orabona, 4, I-70125 Bari, Italy; (A.A.); (P.C.); (C.Z.)
| | | | - Maurizio Quinto
- Department of Agricultural Food and Environmental Sciences, University of Foggia, Via A.Gramsci 89/91, 71122 Foggia, Italy;
| | - Filomena Corbo
- Department of Pharmacy-Pharmaceutical Sciences, University “Aldo Moro”, Bari Via E. Orabona, 4, I-70125 Bari, Italy; (G.M.); (C.F.)
- Correspondence: ; Tel.: +39-0805442746
| | - Carlo Zambonin
- Department of Chemistry, University “Aldo Moro”, Bari Via E. Orabona, 4, I-70125 Bari, Italy; (A.A.); (P.C.); (C.Z.)
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A Fast and Simple Method for Determination of Vitamin E in Infant Formula by Dispersive Liquid-Liquid Microextraction Combined with HPLC-UV. FOOD ANAL METHOD 2018. [DOI: 10.1007/s12161-018-1331-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Quigley A, Walsh SW, Hayes E, Connolly D, Cummins W. Effect of seaweed supplementation on tocopherol concentrations in bovine milk using dispersive liquid-liquid microextraction. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1092:152-157. [PMID: 29902754 DOI: 10.1016/j.jchromb.2018.06.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 06/04/2018] [Accepted: 06/06/2018] [Indexed: 11/29/2022]
Abstract
A dispersive liquid-liquid microextraction (DLLME) method, combined with HPLC-UV detection, was developed for the extraction and preconcentration of δ-tocopherol from bovine milk. This method was used to study the effect of supplementing cow feed with the seaweed Ascophyllum nodosum on vitamin content in milk. The optimal experimental conditions were determined: 200 μL of chloroform (extraction solvent), 1.0 mL of ethanol (dispersive solvent), 5 mL of water (aqueous phase). Under these optimal conditions the DLLME method provided linearity in the range 0.01 μg/mL to 8 μg/mL with R2 values of 0.998. Limit of detection (LOD) was 0.01 μg/mL, while the enrichment factor was 89. Cow feed that was supplemented with Ascophyllum nodosum was shown to increase δ-tocopherol levels from 3.82 μg/mL to 5.96 μg/mL.
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Affiliation(s)
- Andrew Quigley
- Pharmaceutical and Molecular Biotechnology Research Centre (PMBRC), Department of Science, Waterford Institute of Technology, Waterford, Ireland.
| | - Siobhán W Walsh
- Eco-Innovation Research Centre, Department of Science, Waterford Institute of Technology, Waterford, Ireland
| | - Eva Hayes
- Eco-Innovation Research Centre, Department of Science, Waterford Institute of Technology, Waterford, Ireland
| | - Damian Connolly
- Pharmaceutical and Molecular Biotechnology Research Centre (PMBRC), Department of Science, Waterford Institute of Technology, Waterford, Ireland
| | - Wayne Cummins
- Pharmaceutical and Molecular Biotechnology Research Centre (PMBRC), Department of Science, Waterford Institute of Technology, Waterford, Ireland
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Žabčíková S, Nallbani A, Sýs M, Mikysek T, Červenka L. Square wave voltammetry at carbon paste electrode modified with surfactant for alpha tocopheryl acetate determination in cosmetics. POTRAVINARSTVO 2018. [DOI: 10.5219/881] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The aim of this study was describe electrochemical properties of a carbon paste electrode (CPE) bulk modified with 30% (w/w) surfactant sodium dodecyl sulphate (CPE/SDS) and demonstrates its application in the determination of α‑tocopheryl acetate (α‑TAc), known as vitamin E acetate, in selected cosmetic products, especially body creams. In addition to anionic SDS, cationic hexadecylpyridinium chloride monohydrate (CPC) was also tested as possible modifier. It was found that selection of surfactant type and its content significantly affect an electrical conductivity and mechanical stability of these heterogeneous electroanalytical sensors in pure organic solvents. Under this study, it was found that CPC is a totally inappropriate mediator due to very high backgroundcurrent. Together with other lipophilic vitamins characterized by antioxidant activity (dominantly retionoids), this completely synthetic substance is widely used as significant cosmetic additive due its preservative properties. Monitoring of its content in cosmetic products is usually performed by high‑performance liquid chromatography (HPLC) with UV detection. This standard analytical protocol is always burdened with the complex and time‑consuming preparation of the sample before analysis. For that reason, robust and simple electroanalytical method based on anodic oxidation of the α‑TAc at CPE/SDS by square wave voltammetry (SWV) performed in pure organic electrolyte (99.8% acetonitrile containing 0.1 mol·L‑1 LiClO4) was developed. Moreover, simple dissolution of sample in supporting electrolyte using ultrasonic bath and subsequent filtering through a stacked filter included all the necessary procedures for sample preparation. The linear range from 0.1 to 1.2 mmol·L‑1and limit of detection 37 µmol·L‑1 were found at pulse amplitude 10 mV and frequency 10 Hz as optimum. In analysis of selected cosmetics, the developed electroanalytical method was not validated using comparison with standard HPLC. At least, the recovery was verified by analysis of model sample and value 95.8% was calculated.
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Sawicki T, Juśkiewicz J, Wiczkowski W. Using the SPE and Micro-HPLC-MS/MS Method for the Analysis of Betalains in Rat Plasma after Red Beet Administration. Molecules 2017; 22:molecules22122137. [PMID: 29207522 PMCID: PMC6149673 DOI: 10.3390/molecules22122137] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 12/01/2017] [Accepted: 12/02/2017] [Indexed: 11/29/2022] Open
Abstract
The objective of this study was to develop a simple and reproducible method for the qualitative and quantitative analysis of betalains in plasma samples, based on Solid Phase Extraction (SPE) and micro-high performance liquid chromatography coupled with mass spectrometry (micro-HPLC-MS/MS). The eight betalain compounds detected and quantified were characterized in the fortified rat blood plasma samples. The developed method showed a good coefficient of determination (R2 = 0.999), good recovery, precision, and appropriate limits of detection (LOD) and quantification (LOQ) for these compounds. Application of this method for the treatment of rat plasma samples collected after the betalain preparation administration, for the first time, revealed the presence of native betalains and their metabolites in plasma samples. Moreover, among them, betanin (2.14 ± 0.06 µmol/L) and isobetanin (3.28 ± 0.04 µmol/L) were found at the highest concentration. The results indicated that the combination of an SPE method with a micro-HPLC-MS/MS analysis may be successfully applied for the determination of betalains in the blood plasma.
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Affiliation(s)
- Tomasz Sawicki
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences in Olsztyn, Tuwima 10, 10-748 Olsztyn, Poland.
| | - Jerzy Juśkiewicz
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences in Olsztyn, Tuwima 10, 10-748 Olsztyn, Poland.
| | - Wiesław Wiczkowski
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences in Olsztyn, Tuwima 10, 10-748 Olsztyn, Poland.
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