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Bodiwala KB, Banker N, Lalwani R, Shah MB, Gajjar AK. Quality control methods for fruit extracts of Kigelia africana using high performance thin layer chromatography. Nat Prod Res 2024:1-9. [PMID: 38597203 DOI: 10.1080/14786419.2024.2340762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 04/01/2024] [Indexed: 04/11/2024]
Abstract
Kigelia africana is a tree native to Africa but also found in eastern and southern parts of India with reported anti-bacterial, anti-inflammatory, and immunomodulatory activities. Verbascoside, caffeic acid and ferulic acid are important markers for the quality control of the plant. Two different HPTLC methods were developed and validated; method - 1 for estimation of verbascoside and caffeic acid while method - 2 for estimation of caffeic acid and ferulic acid. Developed methods were applied to the methanolic fruit extract to determine the quantities of markers. Both methods were found to be linear, specific, precise, accurate, sensitive and robust. Results indicated that both methods can be used for quantitative determination of verbascoside, caffeic acid and ferulic acid in fruit extract. The developed methods may be utilised as a part of the quality control and standardisation for the raw material and extracts of Kigelia africana and can also aid to chromatographic fingerprinting of the plant.
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Affiliation(s)
- Kunjan B Bodiwala
- Department of Pharmaceutical Chemistry and Quality Assurance, L. M. College of Pharmacy, Ahmedabad, India
| | - Nancy Banker
- Department of Pharmaceutical Chemistry and Quality Assurance, L. M. College of Pharmacy, Ahmedabad, India
| | - Rahul Lalwani
- Department of Pharmaceutical Chemistry and Quality Assurance, L. M. College of Pharmacy, Ahmedabad, India
- Gujarat Technological University, Ahmedabad, India
| | - Mamta B Shah
- Department of Pharmacognosy, L. M. College of Pharmacy, Ahmedabad, India
| | - Anuradha K Gajjar
- Department of Pharmaceutical Chemistry and Quality Assurance, L. M. College of Pharmacy, Ahmedabad, India
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Olofinsan K, Olawale F, Karigidi K, Shityakov S, Iwaloye O. Probing the bioactive compounds of Kigelia africana as novel inhibitors of TNF-α converting enzyme using HPLC/GCMS analysis, FTIR and molecular modelling. J Biomol Struct Dyn 2023; 41:12838-12862. [PMID: 36688375 DOI: 10.1080/07391102.2023.2168758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 01/10/2023] [Indexed: 01/24/2023]
Abstract
Tumor Necrosis Factor Alpha Converting Enzyme (TACE) mediates inflammatory disorder and contributes to the pathophysiology of a variety of illnesses, such as chronic inflammation and cancer. This study identified metabolites in solvent extracts of Kigelia africana as putative TACE inhibitors due to the plant's known anti-inflammatory properties. HPLC-MS/GCMS analysis was used to characterize tentative phytochemicals from K. africana. The identified metabolites (n = 123) were docked with TACE to reveal the lead compounds. Binding free energy, ADMET prediction, molecular dynamics simulation at 100 ns, and DFT calculation were further conducted. The results revealed that K. africana contains sterol, phenols, alkaloids, terpenes and flavonoids. The FTIR shows that the extracts had peaks that correspond to the presence of different functional groups. The quantum polarized ligand docking (QPLD) analysis identified compound (n = 3) with binding affinity higher than standard compound IK-682. The hits also had modest ADMET profiles, interacted with essential residues within TACE binding pockets, and formed stable complexes with the protein. The 100 ns MD simulation shows that the compounds formed fairly stable interactions and complex with the protein as evidenced through RMSF, RMSD and MM-GBA results. The HOMO/LUMO, global descriptive molecular electrostatic potential Fukui function aid in the identification of the compounds' atomic sites prone to electrophilic/neutrophilic attacks, and non-covalent interactions. This study suggests that K. africana's bioactive compounds are capable of mitigating inflammation by inhibiting TACE.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
| | - Femi Olawale
- Department of Biochemistry, University of Lagos, Lagos, Nigeria
- Department of Biochemistry, School of Life Science, University of KwaZulu Natal, Durban, South Africa
| | - Kayode Karigidi
- Department of Biochemistry, Olusegun Agagu University of Science and Technology, Igbanran, Nigeria
| | - Sergey Shityakov
- Laboratory of Chemoinformatics, Infochemistry Scientific Center, ITMO University, Saint-Petersburg, Russian Federation
| | - Opeyemi Iwaloye
- Bioinformatics and Molecular Biology Unit, Department of Biochemistry, Federal University of Technology Akure, Akure, Nigeria
- Teady Bioscience Research Laboratory, Akure, Ondo State, Nigeria
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Li Q, Li C, Liu L, Heng W, Chen C, Long J, Wen X. Geochemical characteristics of heavy metals of bedrock, soil, and tea in a metamorphic rock area of Guizhou Province, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:7402-7414. [PMID: 36040691 DOI: 10.1007/s11356-022-22751-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 08/23/2022] [Indexed: 06/15/2023]
Abstract
Through field surveys, sampling, and laboratory experiments, the content, enrichment, and migration characteristics of heavy metals in the rock-soil-tea system in the Guizhou metamorphic rock area were analyzed herein. The results show that the As and Hg contents in metamorphic sandstone in the study area are higher than those in slate, while the Mn, Zn, Pb, and Ni contents in slate are higher. The content of heavy metals in the sandstone of the Jialu formation of the Xiajiang group in Neoproterozoic is the highest, and that of the slate of the Fanzhao formation is the lowest. The content of As in the rock samples in the study area is higher than that in the Epicontinental crust, while Cd is found to be deficient. The heavy metals at some soil points exceed the standard, but this does not affect the growth and development of tea. The content of heavy metals in most tea is lower than the safety limit standards, and the THQ value is less than 1, indicating that the heavy metals in tea in Guizhou metamorphic rock areas pose no concern for human health. In the metamorphic rock distribution areas of Guizhou, tea does not enrich As, Cr, Hg, and Pb in soil, but enriches Mn, Cu, Ni, and Zn to varying degrees, with the enrichment of Mn being the strongest.
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Affiliation(s)
- Qihang Li
- College of Resource and Environment Engineering, Guizhou University, Guiyang, 550025, Guizhou, China
| | - Chaofeng Li
- College of Agriculture, Guizhou University, Guiyang, 550025, Guizhou, China
| | - Lanjun Liu
- Bijie Agricultural Zoning Center, Bijie, 551700, Guizhou, China
| | - Wang Heng
- School of Public Administration, Guizhou University of Finance and Economics, Guiyang, 550025, Guizhou, China
| | - Cheng Chen
- School of Public Administration, Guizhou University of Finance and Economics, Guiyang, 550025, Guizhou, China
| | - Jie Long
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Xuefeng Wen
- College of Agriculture, Guizhou University, Guiyang, 550025, Guizhou, China.
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Antioxidant, Anti-Cancer Activity and Phytochemicals Profiling of Kigelia pinnata Fruits. SEPARATIONS 2022. [DOI: 10.3390/separations9110379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Over the past few years, research studies on the therapeutic benefits of medicinal plants with potent antioxidant activity and few side effects have grown significantly. This has sparked interest in determining whether naturally occurring antioxidants could take the place of synthetic antioxidants, which are currently being constricted because of their toxic and carcinogenic properties. The identification and quantification of phytochemicals in the methanolic extract of Kigelia pinnata fruits was measured using gas chromatography–mass spectrometry (GC-MS) and ultra-high-performance liquid chromatography–mass spectrometry (UPLC-MS/MS) techniques. Additionally, the methanolic extract of fruits was used to determine antioxidant activity. Free radical-scavenging (DPPH) and ferric ion-reducing antioxidant power were measured using spectrophotometry, and total antioxidant capacity (TAC) was compared with two common antioxidants, vitamin C and α-tocopherol. Moreover, mature fruits have high DDPH, ferric ion-reducing antioxidant power and total antioxidant capacity. Furthermore, mature fruits have high levels of total phenolic, flavonoid, and tannin content; these compounds are thought to be the sources of the antioxidant activity. The major constituents of the methanolic extracts from the mature fruits of K. pinnata were found to be larixinic acid, 3,5-Dihydroxy-6-methyl-2,3-dihydro-4H-pyran-4-one (DMDP), and 5-Hydrxoymethylfurfural. We performed the elemental analysis of the whole fruit. Huh-7 (liver cancer), PANC-1 (pancreatic cancer), Colo-205 (colorectal cancer), HT-29 (colorectal cancer), SNU-16 (gastric carcinoma), SW620 (colorectal adenocarcinoma) and HCT116 (colon carcinoma) were tested in vitro for anticancer activity. Both methanolic and ethyl acetate extracts of mature fruits had a positive effect on all cancer cell lines as compared to the doxorubicin drug. In addition, the methanolic extracts of mature fruits showed more potent cytotoxic effects than the ethyl acetate extracts. Moreover, the most pronounced cytotoxic effects of the methanolic extract were detected in SW620 (colorectal adenocarcinoma), with an IC50 value of 6.79 μg/mL, SNU-16 (gastric carcinoma), with and IC50 value of 8.69 μg/ ml, and in PANC-1 (pancreatic cancer) with an IC50 value of 10.34 μg/mL. Moreover, the results show that the water, ethyl acetate and methanolic extracts of mature fruits have antioxidant capacity, ferric ion-reducing antioxidant power, DPPH scavenging activity and also anticancer activity. Therefore, the present study suggests that the phytochemical profiles of mature fruits of K. pinnata may be used as potential natural antioxidants and anti-cancer cell lines.
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Li Q, Li C, Xiao S, Wang H, Chen C, Wei X, Wen X. Tracing the Origins of Blueberries by Their Mineral Element Contents and 87Sr/ 86Sr Ratios. Biol Trace Elem Res 2022; 200:920-930. [PMID: 33825163 DOI: 10.1007/s12011-021-02701-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Accepted: 03/28/2021] [Indexed: 11/26/2022]
Abstract
This study investigated the feasibility of using the mineral element contents and 87Sr/86Sr ratios of blueberries to trace their origins. The contents of 28 mineral elements, including K, Al, and Mg, were determined in 104 blueberry samples from three blueberry-producing areas in Guizhou Province, China. Also determined were both the 87Sr/86Sr ratios in 48 blueberry samples as well as the type of soil in which the blueberries were grown. Cluster analysis of 87Sr/86Sr ratios, stepwise discriminant analysis of mineral element contents, and combined discriminant analyses of 87Sr/86Sr ratios and mineral element contents were done. The results show that ten elements (Ca, Cr, Cs, Mg, Mn, P, Rb, Sb, Th, and Y) were selected by linear discriminant analysis, which could be used to establish the provenance traceability model of blueberries in Guizhou. The original accuracy of linear discriminant analysis was 89.4%, and the accuracy of cross-validation was 83.6%. When 87Sr/86Sr ratios were used for tracing, the accuracies of both the original discrimination and the cross-validation were 81.3% as determined by linear discriminant analysis, and the accuracy rate of origin discrimination was 81.25% by cluster analysis. The results of combined discrimination were the best: the accuracy of the original discrimination was 95.8%, and the accuracy of cross-validation was 93.8%. Mineral element contents and 87Sr/86Sr ratios can be used to trace the origins of blueberries, and combining them can significantly improve the discrimination accuracy. Fisher linear discriminant analysis had the greatest accuracy followed by cluster analysis, while principal component analysis was relatively poor in the research of Guizhou blueberry origin traceability.
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Affiliation(s)
- Qihang Li
- College of Agriculture, Guizhou University, Guiyang, 550025, Guizhou, China
| | - Chaofeng Li
- College of Agriculture, Guizhou University, Guiyang, 550025, Guizhou, China
| | - Shengyang Xiao
- Guizhou Mountain Resources Institute of Guizhou Academy of Sciences, Guiyang, 550001, Guizhou, China
| | - Heng Wang
- School of Public Administration, Guizhou University of Finance and Economics, Guiyang, 550025, Guizhou, China
| | - Cheng Chen
- School of Public Administration, Guizhou University of Finance and Economics, Guiyang, 550025, Guizhou, China
| | - Xiao Wei
- College of Agriculture, Guizhou University, Guiyang, 550025, Guizhou, China
| | - Xuefeng Wen
- College of Agriculture, Guizhou University, Guiyang, 550025, Guizhou, China.
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Lin H, Wang X, Liu M, Huang M, Shen Z, Feng J, Yang H, Li Z, Gao J, Ye X. Exploring the treatment of COVID-19 with Yinqiao powder based on network pharmacology. Phytother Res 2021; 35:2651-2664. [PMID: 33452734 PMCID: PMC8013442 DOI: 10.1002/ptr.7012] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 12/18/2020] [Accepted: 12/28/2020] [Indexed: 12/24/2022]
Abstract
Coronavirus disease 2019 (COVID-19) is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In China, Yinqiao powder is widely used to prevent and treat COVID-19 patients with Weifen syndrome. In this study, the screening and verification of active ingredients, target selection and DisGeNET scoring, drug-ingredient-gene network construction, protein-protein interaction network construction, molecular docking and surface plasmon resonance (SPR) analysis, gene ontology (GO) functional analysis, gene tissue analysis, and kyoto encyclopedia of genes and genomes (KEGG) pathway analysis were used to explore the active ingredients, targets, and potential mechanisms of Yinqiao powder in the treatment of COVID-19. We also predicted the therapeutic effect of Yinqiao powder using TCM anti-COVID-19 (TCMATCOV). Yinqiao powder has a certain therapeutic effect on COVID-19, with an intervention score of 20.16. Hesperetin, eriodictyol, luteolin, quercetin, and naringenin were the potentially effective active ingredients against COVID-19. The hub-proteins were interleukin-6 (IL-6), mitogen-activated protein kinase 3 (MAPK3), tumor necrosis factor (TNF), and tumor protein P53 (TP53). The potential mechanisms of Yinqiao powder in the treatment of COVID-19 are the TNF signaling pathway, T-cell receptor signaling pathway, Toll-like receptor signaling pathway, and MAPK signaling pathway. This study provides a new perspective for discovering potential drugs and mechanisms of COVID-19.
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Affiliation(s)
- Haixiong Lin
- Lingnan Medical Research CenterThe First School of Clinical Medicine, Guangzhou University of Chinese MedicineGuangzhouChina
| | - Xiaotong Wang
- South China Research Center for Acupuncture and MoxibustionClinical Medical College of Acupuncture, Moxibustion and Rehabilitation, Guangzhou University of Chinese MedicineGuangzhouChina
| | - Minyi Liu
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
| | - Minling Huang
- Lingnan Medical Research CenterThe First School of Clinical Medicine, Guangzhou University of Chinese MedicineGuangzhouChina
| | - Zhen Shen
- Department of OrthopaedicsKunming Municipal Hospital of Traditional Chinese Medicine, The Third Affiliated Hospital of Yunnan University of Chinese MedicineKunmingChina
| | - Junjie Feng
- Lingnan Medical Research CenterThe First School of Clinical Medicine, Guangzhou University of Chinese MedicineGuangzhouChina
| | - Huijun Yang
- Department of Rehabilitation MedicineThe Sixth School of Clinical Medicine & Shenzhen Hospital, Guangzhou University of Chinese MedicineShenzhenChina
| | - Zige Li
- Lingnan Medical Research CenterThe First School of Clinical Medicine, Guangzhou University of Chinese MedicineGuangzhouChina
| | - Junyan Gao
- Lingnan Medical Research CenterThe First School of Clinical Medicine, Guangzhou University of Chinese MedicineGuangzhouChina
| | - Xiaopeng Ye
- Department of GastroenterologyShenzhen Bao'an Traditional Chinese Medicine Hospital Group, Guangzhou University of Chinese MedicineShenzhenChina
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Fagbohun OF, Joseph JS, Salami OA, Msagati TAM. Exploration of Modern Chromatographic Methods Coupled to Mass Spectrometric Techniques for Trace Element and Chemical Composition Analyses in the Leaf Extracts of Kigelia africana. Biol Trace Elem Res 2021; 199:1633-1648. [PMID: 32643096 DOI: 10.1007/s12011-020-02274-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 06/29/2020] [Indexed: 12/24/2022]
Abstract
The use of Kigelia africana (Lam.) Benth. plant dates back to last century. The different parts of the plant exhibited various pharmacological activities. But literature search revealed scanty use of the leaf extract owing to few information regarding the various phytochemical constituents. The aim of this study is, therefore, to profile the chemical compounds through the use of omics-based approach. Ultrahigh-pressure liquid chromatography quadrupole-time-of-flight tandem mass spectrometry (qTOF-UPLC/MS) alongside gas chromatography quadrupole time-of-flight tandem mass spectrometry (qTOF-GC/MS) were used to profile these chemical compounds. Inductively coupled plasma optical emission spectrometry (ICP-OES) was used to determine the concentration of trace elements as well as limit of detection (LOD) and quantification (LOQ). For broader metabolite determination, a modified sample preparation was employed and to ascertain the cytoprotective potential of the leaf extract, MTT assay on A375 human melanoma cell lines was carried out. Sixty-eight peaks were characterized with the identification of 275 metabolites where 8 of these were confirmed. Of importance is the identification of eugenol; a polyphenolic compound at m/z 165.09 on fragments 119.09, 147.08, 109.10, 137.10, and 137.06. for qTOF-GC/MS analysis, 232 metabolites were identified consisting of terpenes, fatty acids, furans, amines, amides, and alkanes. The concentration of trace elements in the leaf extract ranged from 0.08 for Zn to 0.28 mg/kg for Fe with low concentrations of Cd according to the recommendation of European Legislation. The leaf showed higher inhibition of growth against A375 human melanoma cell lines in a dose-dependent manner. The results showed that K. africana leaf contained various pharmaceuticals, nutraceuticals, designer drugs, and phytochemicals, and these chemicals have minimal cytotoxic side effects. To the best of our knowledge, this is the first study providing information on the various secondary metabolites in the leaf extract through the use of omics-based approach. Therefore, the leaves of K. africana plant can be used as antiinflammatory, antimicrobial, antibacterial, antifungal, and antiproliferative agents for industrial, therapeutic, and medicinal applications. Graphical Abstract.
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Affiliation(s)
- Oladapo F Fagbohun
- Department of Biomedical Engineering, First Technical University, Ibadan, Oyo State, Nigeria.
| | - Jitcy S Joseph
- Department of Toxicology and Biochemistry, The National Institute of Occupational Health, Johannesburg, South Africa
| | - Olusola A Salami
- Department of Microbiology, First Technical University, Ibadan, Oyo State, Nigeria
| | - Titus A M Msagati
- Nanotechnology and Water Sustainability Research Unit, College of Science Engineering and Technology, University of South Africa (UNISA), Florida Park, Johannesburg, South Africa
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Fagbohun OF, Olawoye B, Ademakinwa AN, Jolayemi KA, Msagati TAM. Metabolome modulatory effects of Kigelia africana (Lam.) Benth. fruit extracts on oxidative stress, hyperlipidaemic biomarkers in STZ-induced diabetic rats and antidiabetic effects in 3T3 L1 adipocytes. J Pharm Pharmacol 2020; 72:1798-1811. [PMID: 32812253 DOI: 10.1111/jphp.13362] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 07/25/2020] [Indexed: 12/14/2022]
Abstract
OBJECTIVES The management of diabetes is considered a global problem, and a cure is yet to be discovered. This study investigated the modulatory effect of Kigelia africana fruit on oxidative stress and hyperlipidaemic biomarkers in STZ-induced diabetic rats, profiled phytoconstituents using GC-TOF-MS and evaluated antidiabetic effects on 3T3 L1 adipocytes. METHODS Thirty male Wistar rats (120-150 g) were divided into six groups (n = 5). Diabetes was induced by a single intraperitoneal injection of STZ (60 mg/kg) and treated with 100, 200 and 400 of hexane fraction of KA for 28 days. Immunohistochemical evaluation was carried out using avidin-biotin immunoperoxidase (ABI) method. Catalase and SOD activities as well as the levels of total protein, albumin, bilirubin, triglyceride, cholesterol, and high-density lipoprotein were measured. KEY FINDINGS The expressions of oxidative stress and hyperlipidaemic biomarkers alongside fasting blood glucose concentrations were remarkedly decreased in KA-treated diabetic rats. Moreover, there was a significant increase in endocrine cell distribution, area covered with increase in β-cell mass, composition and morphology of KA-treated animals. Additionally, there was constant up-regulation in 3T3 L1 adipocytes due to the presence of phytoconstituents. CONCLUSION Kigelia africana fruit can act as a modulatory agent due to its ameliorative effects against oxidative stress.
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Affiliation(s)
- Oladapo F Fagbohun
- Department of Biomedical Engineering, First Technical University, Ibadan, Nigeria
| | - Babatunde Olawoye
- Department of Food Science and Technology, First Technical University, Ibadan, Nigeria
| | - Adedeji N Ademakinwa
- Department of Physical and Chemical Sciences, Elizade University, Ilara-Mokin, Nigeria
| | - Kehinde A Jolayemi
- Department of Anatomy and Cell Biology, Obafemi Awolowo University, Ile-Ife, Nigeria
| | - Titus A M Msagati
- Nanotechnology and Water Sustainability Research Unit, College of Science Engineering and Technology, University of South Africa (UNISA), Johannesburg, South Africa
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Fagbohun OF, Awoniran PO, Babalola OO, Agboola FK, Msagati TAM. Changes in the biochemical, hematological and histopathological parameters in STZ-Induced diabetic rats and the ameliorative effect of Kigelia africana fruit extract. Heliyon 2020; 6:e03989. [PMID: 32462092 PMCID: PMC7243140 DOI: 10.1016/j.heliyon.2020.e03989] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 04/01/2020] [Accepted: 04/12/2020] [Indexed: 02/07/2023] Open
Abstract
Background Biochemical, hematological and histological changes are major observable clinical and pathological factors associated with Diabetes mellitus. Derangement in the levels of these parameters increases the risk of the development of complications. In another hand, gastrointestinal intolerance due to the development of lactic acidosis on the gastrointestinal tract and the intestinal microbiome is the toxic side effect of various synthetic antidiabetic agents. The use of Kigelia africana fruit extract for the treatment of diabetes has been scientifically validated. This study therefore aimed at investigating changes in the biochemical, hematological and histological parameters as well as the determination of the functional groups present in the hexane fraction of the fruit. Methods The fruits were extracted with ethanol and partitioned with n-hexane to obtain the hexane fraction. Diabetic rats induced with streptozotocin (STZ) were divided into 5 groups of 5 animals each and treated with 100, 200 and 400 mg/kg body weight (BW) hexane fraction alongside reference standard; glibenclamide. Fasting blood glucose levels and their body weights were monitored weekly. Animals were sacrificed at the end of 28-day treatment. Blood, liver, and kidney were collected for biochemical, hematological and histopathological analyses. Fourier transform infrared resonance (FTIR) spectroscopic analysis was carried out on the hexane fraction for functional group determination. Results The hexane fraction of K. africana fruit extract decreased fasting blood glucose (FBG) levels significantly with ameliorative effects on the hematological parameters such as packed cell volume (PCV), mean corpuscular hemoglobin (MCH), mean corpuscular hemoglobin concentration (MCHC), and red blood cells (RBC) etc. There were significant regenerative differences in the biochemical activities as well as the renal cortex and midzone sections of the rat's kidney and liver when compared with untreated diabetic rats. The presence of polyphenolic functional groups via FTIR analysis suggested high antioxidant activities of the fruit extract. Conclusion The use of Kigelia africana fruit extracts protects against biochemical, hematological and histological changes that are injurious to diabetic patients. Therefore, Kigelia africana fruit is a good hepatic- and nephroprotective agent and has a hemato-protective ability.
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Affiliation(s)
- Oladapo F Fagbohun
- Department of Biomedical Engineering, First Technical University, Ibadan, Oyo State, Nigeria
| | - Paul O Awoniran
- Department of Anatomy and Cell Biology, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria
| | - Olubunmi O Babalola
- Department of Biochemistry and Molecular Biology, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria
| | - Femi K Agboola
- Department of Biochemistry and Molecular Biology, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria
| | - Titus A M Msagati
- Nanotechnology and Water Sustainability Research Unit, College of Science Engineering and Technology, University of South Africa (UNISA), Florida Park, Johannesburg, South Africa
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