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Kraiphet S, Butryee C, Rungsipipat A, Budda S, Rattanapinyopitak K, Tuntipopipat S. Apoptosis induced by Moringa oleifera Lam. pod in mouse colon carcinoma model. ACTA ACUST UNITED AC 2017. [DOI: 10.1007/s00580-017-2546-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Jaja-Chimedza A, Graf BL, Simmler C, Kim Y, Kuhn P, Pauli GF, Raskin I. Biochemical characterization and anti-inflammatory properties of an isothiocyanate-enriched moringa (Moringa oleifera) seed extract. PLoS One 2017; 12:e0182658. [PMID: 28792522 PMCID: PMC5549737 DOI: 10.1371/journal.pone.0182658] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 07/21/2017] [Indexed: 12/13/2022] Open
Abstract
Moringa oleifera Lam. is a tropical plant, used for centuries as food and traditional medicine. The aim of this study was to develop, validate and biochemically characterize an isothiocyanate-enriched moringa seed extract (MSE), and to compare the anti-inflammatory effects of MSE-containing moringa isothiocyanate-1 (MIC-1) with a curcuminoid-enriched turmeric extract (CTE), and a material further enriched in its primary phytochemical, curcumin (curcumin-enriched material; CEM). MSE was prepared by incubating ground moringa seeds with water to allow myrosinase-catalyzed enzymatic formation of bioactive MIC-1, the predominant isothiocyanate in moringa seeds. Optimization of the extraction process yielded an extract of 38.9% MIC-1. Phytochemical analysis of MSE revealed the presence of acetylated isothiocyanates, phenolic glycosides unique to moringa, flavonoids, fats and fatty acids, proteins and carbohydrates. MSE showed a reduction in the carrageenan-induced rat paw edema (33% at 500 mg/kg MIC-1) comparable to aspirin (27% at 300 mg/kg), whereas CTE did not have any significant effect. In vitro, MIC-1 at 1 μM significantly reduced the production of nitric oxide (NO) and at 5 μM, the gene expression of LPS-inducible nitric oxide synthase (iNOS) and interleukins 1β and 6 (IL-1β and IL-6), whereas CEM did not show any significant activity at all concentrations tested. MIC-1 (10μM) was also more effective at upregulating the nuclear factor (erythroid-derived 2)-like 2 (Nrf2) target genes NAD(P)H:quinone oxidoreductase 1 (NQO1), glutathione S-transferase pi 1 (GSTP1), and heme oxygenase 1 (HO1) than the CEM. Thus, in contrast to CTE and CEM, MSE and its major isothiocyanate MIC-1 displayed strong anti-inflammatory and antioxidant properties in vivo and in vitro, making them promising botanical leads for the mitigation of inflammatory-mediated chronic disorders.
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Affiliation(s)
- Asha Jaja-Chimedza
- Department of Plant Biology, Rutgers University, New Brunswick, New Jersey, United States of America
| | - Brittany L. Graf
- Department of Plant Biology, Rutgers University, New Brunswick, New Jersey, United States of America
| | - Charlotte Simmler
- Center for Natural Product Technologies, Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, Chicago, Illinois, United States of America
| | - Youjin Kim
- Department of Plant Biology, Rutgers University, New Brunswick, New Jersey, United States of America
- Nutrasorb, LLC, Freehold, New Jersey, United States of America
| | - Peter Kuhn
- Department of Plant Biology, Rutgers University, New Brunswick, New Jersey, United States of America
| | - Guido F. Pauli
- Center for Natural Product Technologies, Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, Chicago, Illinois, United States of America
| | - Ilya Raskin
- Department of Plant Biology, Rutgers University, New Brunswick, New Jersey, United States of America
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Brilhante RSN, Sales JA, Pereira VS, Castelo-Branco DDSCM, Cordeiro RDA, de Souza Sampaio CM, de Araújo Neto Paiva M, Santos JBFD, Sidrim JJC, Rocha MFG. Research advances on the multiple uses of Moringa oleifera : A sustainable alternative for socially neglected population. ASIAN PAC J TROP MED 2017; 10:621-630. [DOI: 10.1016/j.apjtm.2017.07.002] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Revised: 04/15/2017] [Accepted: 05/25/2017] [Indexed: 10/19/2022] Open
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Ray S, Wolf T, Mowa C. Moringa oleifera and inflammation: a mini-review of its effects and mechanisms. ACTA ACUST UNITED AC 2017. [DOI: 10.17660/actahortic.2017.1158.36] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Srikanth S, Chen Z. Plant Protease Inhibitors in Therapeutics-Focus on Cancer Therapy. Front Pharmacol 2016; 7:470. [PMID: 28008315 PMCID: PMC5143346 DOI: 10.3389/fphar.2016.00470] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Accepted: 11/18/2016] [Indexed: 12/28/2022] Open
Abstract
Plants are known to have many secondary metabolites and phytochemical compounds which are highly explored at biochemical and molecular genetics level and exploited enormously in the human health care sector. However, there are other less explored small molecular weight proteins, which inhibit proteases/proteinases. Plants are good sources of protease inhibitors (PIs) which protect them against diseases, insects, pests, and herbivores. In the past, proteinaceous PIs were considered primarily as protein-degrading enzymes. Nevertheless, this view has significantly changed and PIs are now treated as very important signaling molecules in many biological activities such as inflammation, apoptosis, blood clotting and hormone processing. In recent years, PIs have been examined extensively as therapeutic agents, primarily to deal with various human cancers. Interestingly, many plant-based PIs are also found to be effective against cardiovascular diseases, osteoporosis, inflammatory diseases and neurological disorders. Several plant PIs are under further evaluation in in vitro clinical trials. Among all types of PIs, Bowman-Birk inhibitors (BBI) have been studied extensively in the treatment of many diseases, especially in the field of cancer prevention. So far, crops such as beans, potatoes, barley, squash, millet, wheat, buckwheat, groundnut, chickpea, pigeonpea, corn, and pineapple have been identified as good sources of PIs. The PI content of such foods has a significant influence on human health disorders, particularly in the regions where people mostly depend on these kind of foods. These natural PIs vary in concentration, protease specificity, heat stability, and sometimes several PIs may be present in the same species or tissue. However, it is important to carry out individual studies to identify the potential effects of each PI on human health. PIs in plants make them incredible sources to determine novel PIs with specific pharmacological and therapeutic effects due to their peculiarity and superabundance.
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Affiliation(s)
| | - Zhong Chen
- Natural Sciences and Science Education, National Institute of Education, Nanyang Technological UniversitySingapore, Singapore
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Madi N, Dany M, Abdoun S, Usta J. Moringa oleifera's Nutritious Aqueous Leaf Extract Has Anticancerous Effects by Compromising Mitochondrial Viability in an ROS-Dependent Manner. J Am Coll Nutr 2016; 35:604-613. [PMID: 27314649 DOI: 10.1080/07315724.2015.1080128] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Moringa oleifera (MO) is an important dietary component for many populations in West Africa and the Indian subcontinent. In addition to its highly nutritious value, almost all parts of this plant have been widely used in folk medicine in curing infectious, cardiovascular, gastrointestinal, hepatic, and other diseases. Evidence-based research supported its versatile medicinal properties; however, more rigorous research is required to establish it in cancer therapy. As such, in this study we aim to investigate the in vitro anticancerous effect of Moringa oleifera's aqueous leaf extract. METHODS Moringa extract was prepared by soaking pulverized leaves in hot water mimicking the people's mode of the leaf drink preparation. Several assays were used to study the effect of different percentage concentrations of the extract on viability of A549 cells; levels of adenosine triphosphate (ATP), reactive oxygen species (ROS), and glutathione (GSH) generated; as well as percentage of lactate dehydrogenase (LDH) released at different time points. In addition to mitochondrial membrane potential, apoptotic events were assessed using western blotting for apoptotic markers and immunoflourescent flourescent labeled inhibitor of caspases (FLICA) assay. RESULTS MO extract treatment resulted in a significant decrease in mitochondrial membrane potential (1 hour) and ATP levels (3 hours), followed by an increase in (6 hours) ROS, caspase activation, proapoptotic proteins expression (p53, SMAC/Diablo, AIF), and PARP-1 cleavage. This eventually resulted in decreased GSH levels and a decrease in viability. The cytotoxic effect was prevented upon pretreatment with antioxidant N-acetyl-cysteine. MO decreased as well the viability of HepG2, CaCo2, Jurkat, and HEK293 cells. CONCLUSION Our findings identify a plant extract with an anticancerous effect on cancer cell lines. MO extract exerts its cytotoxic effect in A549 cancer cells by affecting mitochondrial viability and inducing apoptosis in an ROS-dependent manner.
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Affiliation(s)
- Niveen Madi
- a Department of Biochemistry and Molecular Genetics , American University of Beirut, Faculty of Medicine , Beirut , LEBANON
| | - Mohammed Dany
- b Medical University of South Carolina , Charleston , South Carolina
| | | | - Julnar Usta
- a Department of Biochemistry and Molecular Genetics , American University of Beirut, Faculty of Medicine , Beirut , LEBANON
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Michl C, Vivarelli F, Weigl J, De Nicola GR, Canistro D, Paolini M, Iori R, Rascle A. The Chemopreventive Phytochemical Moringin Isolated from Moringa oleifera Seeds Inhibits JAK/STAT Signaling. PLoS One 2016; 11:e0157430. [PMID: 27304884 PMCID: PMC4909285 DOI: 10.1371/journal.pone.0157430] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2016] [Accepted: 05/31/2016] [Indexed: 11/19/2022] Open
Abstract
Sulforaphane (SFN) and moringin (GMG-ITC) are edible isothiocyanates present as glucosinolate precursors in cruciferous vegetables and in the plant Moringa oleifera respectively, and recognized for their chemopreventive and medicinal properties. In contrast to the well-studied SFN, little is known about the molecular pathways targeted by GMG-ITC. We investigated the ability of GMG-ITC to inhibit essential signaling pathways that are frequently upregulated in cancer and immune disorders, such as JAK/STAT and NF-κB. We report for the first time that, similarly to SFN, GMG-ITC in the nanomolar range suppresses IL-3-induced expression of STAT5 target genes. GMG-ITC, like SFN, does not inhibit STAT5 phosphorylation, suggesting a downstream inhibitory event. Interestingly, treatment with GMG-ITC or SFN had a limited inhibitory effect on IFNα-induced STAT1 and STAT2 activity, indicating that both isothiocyanates differentially target JAK/STAT signaling pathways. Furthermore, we showed that GMG-ITC in the micromolar range is a more potent inhibitor of TNF-induced NF-κB activity than SFN. Finally, using a cellular system mimicking constitutive active STAT5-induced cell transformation, we demonstrated that SFN can reverse the survival and growth advantage mediated by oncogenic STAT5 and triggers cell death, therefore providing experimental evidence of a cancer chemopreventive activity of SFN. This work thus identified STAT5, and to a lesser extent STAT1/STAT2, as novel targets of moringin. It also contributes to a better understanding of the biological activities of the dietary isothiocyanates GMG-ITC and SFN and further supports their apparent beneficial role in the prevention of chronic illnesses such as cancer, inflammatory diseases and immune disorders.
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Affiliation(s)
- Carina Michl
- Stat5 Signaling Research Group, Institute of Immunology, University of Regensburg, Regensburg, Germany
| | - Fabio Vivarelli
- Stat5 Signaling Research Group, Institute of Immunology, University of Regensburg, Regensburg, Germany
- Molecular toxicology unit, Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Julia Weigl
- Stat5 Signaling Research Group, Institute of Immunology, University of Regensburg, Regensburg, Germany
| | - Gina Rosalinda De Nicola
- Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Centro di ricerca per le colture industriali (CREA-CIN), Bologna, Italy
| | - Donatella Canistro
- Molecular toxicology unit, Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Moreno Paolini
- Molecular toxicology unit, Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Renato Iori
- Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Centro di ricerca per le colture industriali (CREA-CIN), Bologna, Italy
| | - Anne Rascle
- Stat5 Signaling Research Group, Institute of Immunology, University of Regensburg, Regensburg, Germany
- * E-mail:
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Godinez-Ov A, Guemes-Ver N, Acevedo-Sa O. Nutritional and Phytochemical Composition of Moringa oleifera Lam and its Potential Use as Nutraceutical Plant: A Review. ACTA ACUST UNITED AC 2016. [DOI: 10.3923/pjn.2016.397.405] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Saleem R, Sana A, Faizi S, Sadaf F. New Esters of Aromatic Hydroxyl Acids from Moringa oleifera Roots. Chem Nat Compd 2016. [DOI: 10.1007/s10600-016-1596-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Gothai S, Arulselvan P, Tan WS, Fakurazi S. Wound healing properties of ethyl acetate fraction of Moringa oleifera in normal human dermal fibroblasts. JOURNAL OF COMPLEMENTARY MEDICINE RESEARCH 2016; 5:1-6. [PMID: 27069722 PMCID: PMC4805140 DOI: 10.5455/jice.20160201055629] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Accepted: 01/18/2016] [Indexed: 12/13/2022]
Abstract
BACKGROUND/AIM Wounds are the outcome of injuries to the skin that interrupt the soft tissue. Healing of a wound is a complex and long-drawn-out process of tissue repair and remodeling in response to injury. A large number of plants are used by folklore traditions for the treatment of cuts, wounds and burns. Moringa oleifera (MO) is an herb used as a traditional folk medicine for the treatment of various skin wounds and associated diseases. The underlying mechanisms of wound healing activity of ethyl acetate fraction of MO leaves extract are completely unknown. MATERIALS AND METHODS In the current study, ethyl acetate fraction of MO leaves was investigated for its efficacy on cell viability, proliferation and migration (wound closure rate) in human normal dermal fibroblast cells. RESULTS Results revealed that lower concentration (12.5 µg/ml, 25 µg/ml, and 50 µg/ml) of ethyl acetate fraction of MO leaves showed remarkable proliferative and migratory effect on normal human dermal fibroblasts. CONCLUSION This study suggested that ethyl acetate fraction of MO leaves might be a potential therapeutic agent for skin wound healing by promoting fibroblast proliferation and migration through increasing the wound closure rate corroborating its traditional use.
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Affiliation(s)
- Sivapragasam Gothai
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Palanisamy Arulselvan
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Woan Sean Tan
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Sharida Fakurazi
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia; Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
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Tan WS, Arulselvan P, Karthivashan G, Fakurazi S. Moringa oleifera Flower Extract Suppresses the Activation of Inflammatory Mediators in Lipopolysaccharide-Stimulated RAW 264.7 Macrophages via NF-κB Pathway. Mediators Inflamm 2015; 2015:720171. [PMID: 26609199 PMCID: PMC4644847 DOI: 10.1155/2015/720171] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 09/16/2015] [Accepted: 09/17/2015] [Indexed: 01/28/2023] Open
Abstract
Aim of Study. Moringa oleifera Lam. (M. oleifera) possess highest concentration of antioxidant bioactive compounds and is anticipated to be used as an alternative medicine for inflammation. In the present study, we investigated the anti-inflammatory activity of 80% hydroethanolic extract of M. oleifera flower on proinflammatory mediators and cytokines produced in lipopolysaccharide- (LPS-) induced RAW 264.7 macrophages. Materials and Methods. Cell cytotoxicity was conducted by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Nitric oxide (NO) production was quantified through Griess reaction while proinflammatory cytokines and other key inflammatory markers were assessed through enzyme-linked immunosorbent assay (ELISA) and immunoblotting. Results. Hydroethanolic extract of M. oleifera flower significantly suppressed the secretion and expression of NO, prostaglandin E2 (PGE2), interleukin- (IL-) 6, IL-1β, tumor necrosis factor-alpha (TNF-α), nuclear factor-kappa B (NF-κB), inducible NO synthase (iNOS), and cyclooxygenase-2 (COX-2). However, it significantly increased the production of IL-10 and IκB-α (inhibitor of κB) in a concentration dependent manner (100 μg/mL and 200 μg/mL). Conclusion. These results suggest that 80% hydroethanolic extract of M. oleifera flower has anti-inflammatory action related to its inhibition of NO, PGE2, proinflammatory cytokines, and inflammatory mediator's production in LPS-stimulated macrophages through preventing degradation of IκB-α in NF-κB signaling pathway.
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Affiliation(s)
- Woan Sean Tan
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Palanisamy Arulselvan
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Govindarajan Karthivashan
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Sharida Fakurazi
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
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Ishaq U, Akram M, Iqbal Z, Rafiq M, Akrem A, Nadeem M, Shafi F, Shafiq Z, Mahmood S, Baig M. Production and characterization of novel self-assembling biosurfactants from Aspergillus flavus. J Appl Microbiol 2015; 119:1035-45. [DOI: 10.1111/jam.12929] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2015] [Revised: 06/18/2015] [Accepted: 07/03/2015] [Indexed: 12/19/2022]
Affiliation(s)
- U. Ishaq
- Institute of Pure and Applied Biology; Bahauddin Zakariya University; Multan Pakistan
| | - M.S. Akram
- Institute of Pure and Applied Biology; Bahauddin Zakariya University; Multan Pakistan
| | - Z. Iqbal
- Applied Chemistry Research Centre; PCSIR Labs Complex; Lahore Pakistan
| | - M. Rafiq
- Institute of Pure and Applied Biology; Bahauddin Zakariya University; Multan Pakistan
| | - A. Akrem
- Institute of Pure and Applied Biology; Bahauddin Zakariya University; Multan Pakistan
| | - M. Nadeem
- University College of Agriculture; Bahauddin Zakariya University; Multan Pakistan
| | - F. Shafi
- Institute of Pure and Applied Biology; Bahauddin Zakariya University; Multan Pakistan
| | - Z. Shafiq
- Institute of Chemical Sciences; Bahauddin Zakariya University; Multan Pakistan
| | - S. Mahmood
- Institute of Pure and Applied Biology; Bahauddin Zakariya University; Multan Pakistan
| | - M.A. Baig
- Institute of Pure and Applied Biology; Bahauddin Zakariya University; Multan Pakistan
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Samoisy AK, Mahomoodally MF. Ethnopharmacological analysis of medicinal plants used against non-communicable diseases in Rodrigues Island, Indian Ocean. JOURNAL OF ETHNOPHARMACOLOGY 2015; 173:20-38. [PMID: 26133061 DOI: 10.1016/j.jep.2015.06.036] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Revised: 06/14/2015] [Accepted: 06/20/2015] [Indexed: 05/21/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Rodrigues is an autonomous outer island that form part of the Republic of Mauritius and one of three islands that constitute the Mascarene archipelago in the Indian Ocean. Though herbal medicine is in common use in Rodrigues, there has been no ethnopharmacological study to document quantitatively such traditional practise particularly against non-communicable diseases (NCD) which is currently a growing major health issue on the island. The aim of the present study was to collect, analyse and document traditionally used medicinal plants (MP) from key informants and traditional medicine practitioners (TMP) in the tropical island of Rodrigues to treat and/or manage common NCD. MATERIALS AND METHODS Data was collected via face-to-face interviews with MP users (n=113) and TMP (n=9). Seven quantitative ethnopharmacological indices, namely family use value (FUV), use value (UV), informant agreement ratio (IAR), relative frequency of citation (RFC), fidelity level (FL), relative importance (RI) and ethnobotanicity index (EI) were calculated. RESULTS Hundred and three plants belonging to 55 families were recorded for the treatment and/or management of 27 different NCD. Three of the MP (Terminalia bentzoë (L.) L.F, Sarcostemma cf. adontolepis Balf.f. and Clerodendrum laciniatum Balf.f.) recorded are endemic to Rodrigues and 2 (Carissa xylopicron Thouars., Phyllanthus casticum Willemet f.) endemic to the Mascarene Islands. The most solicited MP family was Asteraceae with a total of 8 species. Citrus aurantifolia (Christm.) Swingle scored the highest RFC (RFC=1.02) value. Ten plants were found to score 100% FL and the highest IAR (0.98) was observed for the disease category of certain conditions originating in the perinatal period. Arecaceae scored the highest FUV value and Ayapana triplinervis (Vahl) R.M. King et H.Rob highest UV (UV= 2.72). CONCLUSION Given the dearth of updated information on traditional medicine of Rodrigues, this study can provide an opportunity to establish valuable primary information on the different MP used by the local people and hence can open new perspectives for further pharmacological research.
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Affiliation(s)
- Anne Kathie Samoisy
- Department of Health Sciences, Faculty of Science, University of Mauritius, 230 Réduit, Mauritius
| | - M Fawzi Mahomoodally
- Department of Health Sciences, Faculty of Science, University of Mauritius, 230 Réduit, Mauritius.
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Rim Jeon S, Ha Lee K, Ha Shin D, Sang Kwon S, Sung Hwang J. Synergistic antimicrobial efficacy of mesoporous ZnO loaded with 4-(α-L-rhamnosyloxy)-benzyl isothiocyanate isolated from the Moringa oleifera seed. J GEN APPL MICROBIOL 2015; 60:251-5. [PMID: 25742976 DOI: 10.2323/jgam.60.251] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The antimicrobial activities of isolated compounds from seed extracts of Moringa oleifera and synergistic antimicrobial efficacy through hybridized complex of organic-inorganic composite materials were studied. The two main components of the Moringa oleifera seed were isolated and determined to be niazimicin and 4-(α-L-rhamnosyloxy)-benzyl isothiocyanate (RBI). The antimicrobial activity of the separated compounds of the Moringa oleifera seed were tested in vitro against 3 bacterial species and 2 fungal species by the paper disc diffusion assay and broth dilution methods. Both compounds showed antimicrobial activity against tested species and RBI was more effective than niazimicin. The MIC of RBI on S. aureus, E. coli, P. aeruginosa, C. albicans, and A. niger was 0.005%, 0.1%, 0.5%, 0.5%, and 0.5%, respectively, while the MIC of niazimicin on S. aureus was 0.1%. Next, we investigated the combined antimicrobial action of mesoporous ZnO and RBI by incorporating the compound within the pore of mesoporous ZnO. The MIC of mesoporous ZnO with RBI on S. aureus, E. coli, P. aeruginosa, C. albicans, and A. niger was 0.001%, 0.01%, 0.5%, 0.1%, and 0.1%, respectively. A synergistic effect of RBI with mesoporous ZnO was shown. From these results, the mesoporous ZnO could act as a reservoir for RBI and mesoporous ZnO with RBI could be used for cosmetic preservatives.
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Affiliation(s)
- Se Rim Jeon
- Department of Genetic Engineering & Graduate School of Biotechnology, Kyung Hee University
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Waterman C, Rojas-Silva P, Tumer TB, Kuhn P, Richard AJ, Wicks S, Stephens JM, Wang Z, Mynatt R, Cefalu W, Raskin I. Isothiocyanate-rich Moringa oleifera extract reduces weight gain, insulin resistance, and hepatic gluconeogenesis in mice. Mol Nutr Food Res 2015; 59:1013-24. [PMID: 25620073 DOI: 10.1002/mnfr.201400679] [Citation(s) in RCA: 96] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 12/22/2014] [Accepted: 12/23/2014] [Indexed: 01/02/2023]
Abstract
SCOPE Moringa oleifera (moringa) is tropical plant traditionally used as an antidiabetic food. It produces structurally unique and chemically stable moringa isothiocyanates (MICs) that were evaluated for their therapeutic use in vivo. METHODS AND RESULTS C57BL/6L mice fed very high fat diet (VHFD) supplemented with 5% moringa concentrate (MC, delivering 66 mg/kg/d of MICs) accumulated fat mass, had improved glucose tolerance and insulin signaling, and did not develop fatty liver disease compared to VHFD-fed mice. MC-fed group also had reduced plasma insulin, leptin, resistin, cholesterol, IL-1β, TNFα, and lower hepatic glucose-6-phosphatase (G6P) expression. In hepatoma cells, MC and MICs at low micromolar concentrations inhibited gluconeogenesis and G6P expression. MICs and MC effects on lipolysis in vitro and on thermogenic and lipolytic genes in adipose tissue in vivo argued these are not likely primary targets for the anti-obesity and anti-diabetic effects observed. CONCLUSION Data suggest that MICs are the main anti-obesity and anti-diabetic bioactives of MC, and that they exert their effects by inhibiting rate-limiting steps in liver gluconeogenesis resulting in direct or indirect increase in insulin signaling and sensitivity. These conclusions suggest that MC may be an effective dietary food for the prevention and treatment of obesity and type 2 diabetes.
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Affiliation(s)
- Carrie Waterman
- Department of Plant Biology and Pathology, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - Patricio Rojas-Silva
- Department of Plant Biology and Pathology, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - Tugba Boyunegmez Tumer
- Department of Plant Biology and Pathology, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA.,Department of Molecular Biology and Genetics, Faculty of Arts and Sciences, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Peter Kuhn
- Department of Plant Biology and Pathology, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | | | - Shawna Wicks
- Pennington Biomedical Research Center, Baton Rouge, LA, USA
| | | | - Zhong Wang
- Pennington Biomedical Research Center, Baton Rouge, LA, USA
| | - Randy Mynatt
- Pennington Biomedical Research Center, Baton Rouge, LA, USA
| | - William Cefalu
- Pennington Biomedical Research Center, Baton Rouge, LA, USA
| | - Ilya Raskin
- Department of Plant Biology and Pathology, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
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Boyunegmez Tumer T, Rojas-Silva P, Poulev A, Raskin I, Waterman C. Direct and indirect antioxidant activity of polyphenol- and isothiocyanate-enriched fractions from Moringa oleifera. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:1505-13. [PMID: 25605589 PMCID: PMC4798254 DOI: 10.1021/jf505014n] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Moringa oleifera Lam. is a fast-growing, tropical tree with various edible parts used as nutritious food and traditional medicine. This study describes an efficient preparatory strategy to extract and fractionate moringa leaves by fast centrifugal partition chromatography (FCPC) to produce polyphenol and isothiocyanate (ITC) rich fractions. Characterization and further purification of these fractions showed that moringa polyphenols were potent direct antioxidants assayed by oxygen radical absorbance capacity (ORAC), whereas moringa ITCs were effective indirect antioxidants assayed by induction of NAD(P)H quinone oxidoreductase 1 (NQO1) activity in Hepa1c1c7 cells. In addition, purified 4-[(α-l-rhamnosyloxy)benzyl]isothiocyanate and 4-[(4'-O-acetyl-α-l-rhamnosyloxy)benzyl]isothiocyanate were further evaluated for their ORAC and NQO1 inducer potency in comparison with sulforaphane (SF). Both ITCs were as potent as SF in inducing NQO1 activity. These findings suggest that moringa leaves contain a potent mixture of direct and indirect antioxidants that can explain its various health-promoting effects.
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Affiliation(s)
- Tugba Boyunegmez Tumer
- Corresponding Author. (T.B.T.) Mail: Department of Molecular Biology and Genetics, Faculty of Arts and Sciences, Çanakkale Onsekiz Mart University, Terzioglu Campus, Çanakkale, Turkey 17100. Phone: +90 286 2180018-1844. or
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4(α-l-rhamnosyloxy)-benzyl isothiocyanate, a bioactive phytochemical that attenuates secondary damage in an experimental model of spinal cord injury. Bioorg Med Chem 2014; 23:80-8. [PMID: 25497964 DOI: 10.1016/j.bmc.2014.11.022] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 11/11/2014] [Accepted: 11/14/2014] [Indexed: 11/23/2022]
Abstract
4(α-l-Rhamnosyloxy)-benzyl isothiocyanate (glucomoringin isothiocyanate; GMG-ITC) is released from the precursor 4(α-l-rhamnosyloxy)-benzyl glucosinolate (glucomoringin; GMG) by myrosinase (β-thioglucoside glucohydrolase; E.C. 3.2.1.147) catalyzed hydrolysis. GMG is an uncommon member of the glucosinolate group as it presents a unique characteristic consisting in a second glycosidic residue within the side chain. It is a typical glucosinolate found in large amounts in the seeds of Moringa oleifera Lam., the most widely distributed plant of the Moringaceae family. GMG was purified from seed-cake of M. oleifera and was hydrolyzed by myrosinase at neutral pH in order to form the corresponding GMG-ITC. This bioactive phytochemical can play a key role in counteracting the inflammatory response connected to the oxidative-related mechanisms as well as in the control of the neuronal cell death process, preserving spinal cord tissues after injury in mice. Spinal cord trauma was induced in mice by the application of vascular clips (force of 24g) for 1 min., via four-level T5-T8 after laminectomy. In particular, the purpose of this study was to investigate the dynamic changes occurring in the spinal cord after ip treatment with bioactive GMG-ITC produced 15 min before use from myrosinase-catalyzed hydrolysis of GMG (10mg/kg body weight+5 μl Myr mouse/day). The following parameters, such as histological damage, distribution of reticular fibers in connective tissue, nuclear factor (NF)-κB translocation and nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor, alpha (IκB-α) degradation, expression of inducible Nitric Oxide Synthases (iNOS), as well as apoptosis, were evaluated. In conclusion, our results show a protective effect of bioactive GMG-ITC on the secondary damage, following spinal cord injury, through an antioxidant mechanism of neuroprotection. Therefore, the bioactive phytochemical GMG-ITC freshly produced before use by myrosinase-catalyzed hydrolysis of pure GMG, could prove to be useful in the treatment of spinal cord trauma.
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Maldini M, Maksoud SA, Natella F, Montoro P, Petretto GL, Foddai M, De Nicola GR, Chessa M, Pintore G. 'Moringa oleifera: study of phenolics and glucosinolates by mass spectrometry'. JOURNAL OF MASS SPECTROMETRY : JMS 2014; 49:900-910. [PMID: 25230187 DOI: 10.1002/jms.3437] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Revised: 07/01/2014] [Accepted: 07/08/2014] [Indexed: 06/03/2023]
Abstract
Moringa oleifera is a medicinal plant and an excellent dietary source of micronutrients (vitamins and minerals) and health-promoting phytochemicals (phenolic compounds, glucosinolates and isothiocyanates). Glucosinolates and isothiocyanates are known to possess anti-carcinogenic and antioxidant effects and have attracted great interest from both toxicological and pharmacological points of view, as they are able to induce phase 2 detoxification enzymes and to inhibit phase 1 activation enzymes. Phenolic compounds possess antioxidant properties and may exert a preventative effect in regards to the development of chronic degenerative diseases. The aim of this work was to assess the profile and the level of bioactive compounds in all parts of M. oleifera seedlings, by using different MS approaches. First, flow injection electrospray ionization mass spectrometry (FI-ESI-MS) fingerprinting techniques and chemometrics (PCA) were used to achieve the characterization of the different plant's organs in terms of profile of phenolic compounds and glucosinolates. Second, LC-MS and LC-MS/MS qualitative and quantitative methods were used for the identification and/or determination of phenolics and glucosinolates in M. oleifera.
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Affiliation(s)
- Mariateresa Maldini
- University of Sassari, Department of Chemistry and Pharmacy via F. Muroni, 23/b, 07100, Sassari, Italy
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Waterman C, Cheng DM, Rojas-Silva P, Poulev A, Dreifus J, Lila MA, Raskin I. Stable, water extractable isothiocyanates from Moringa oleifera leaves attenuate inflammation in vitro. PHYTOCHEMISTRY 2014; 103:114-122. [PMID: 24731259 PMCID: PMC4071966 DOI: 10.1016/j.phytochem.2014.03.028] [Citation(s) in RCA: 110] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Revised: 03/01/2014] [Accepted: 03/21/2014] [Indexed: 05/07/2023]
Abstract
Moringa (Moringa oleifera Lam.) is an edible plant used as both a food and medicine throughout the tropics. A moringa concentrate (MC), made by extracting fresh leaves with water, utilized naturally occurring myrosinase to convert four moringa glucosinolates into moringa isothiocyanates. Optimum conditions maximizing MC yield, 4-[(α-L-rhamnosyloxy)benzyl]isothiocyanate, and 4-[(4'-O-acetyl-α-L-rhamnosyloxy)benzyl]isothiocyanate content were established (1:5 fresh leaf weight to water ratio at room temperature). The optimized MC contained 1.66% isothiocyanates and 3.82% total polyphenols. 4-[(4'-O-acetyl-α-L-rhamnosyloxy)benzyl]isothiocyanate exhibited 80% stability at 37°C for 30 days. MC, and both of the isothiocyanates described above significantly decreased gene expression and production of inflammatory markers in RAW macrophages. Specifically, both attenuated expression of iNOS and IL-1β and production of nitric oxide and TNFα at 1 and 5 μM. These results suggest a potential for stable and concentrated moringa isothiocyanates, delivered in MC as a food-grade product, to alleviate low-grade inflammation associated with chronic diseases.
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Affiliation(s)
- Carrie Waterman
- Department of Plant Biology & Pathology, Rutgers, The State University of New Jersey, 59 Dudley Road, New Brunswick, NJ 08901, USA.
| | - Diana M Cheng
- Department of Plant Biology & Pathology, Rutgers, The State University of New Jersey, 59 Dudley Road, New Brunswick, NJ 08901, USA
| | - Patricio Rojas-Silva
- Department of Plant Biology & Pathology, Rutgers, The State University of New Jersey, 59 Dudley Road, New Brunswick, NJ 08901, USA
| | - Alexander Poulev
- Department of Plant Biology & Pathology, Rutgers, The State University of New Jersey, 59 Dudley Road, New Brunswick, NJ 08901, USA
| | - Julia Dreifus
- Department of Plant Biology & Pathology, Rutgers, The State University of New Jersey, 59 Dudley Road, New Brunswick, NJ 08901, USA
| | - Mary Ann Lila
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC 28081, USA
| | - Ilya Raskin
- Department of Plant Biology & Pathology, Rutgers, The State University of New Jersey, 59 Dudley Road, New Brunswick, NJ 08901, USA
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Oyagbemi AA, Omobowale TO, Azeez IO, Abiola JO, Adedokun RAM, Nottidge HO. Toxicological evaluations of methanolic extract of Moringa oleifera leaves in liver and kidney of male Wistar rats. J Basic Clin Physiol Pharmacol 2014; 24:307-12. [PMID: 23509212 DOI: 10.1515/jbcpp-2012-0061] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2012] [Accepted: 02/24/2013] [Indexed: 11/15/2022]
Abstract
BACKGROUND This study was conducted to investigate toxicological effects associated with prolonged consumption of Moringa oleifera leaves as a beverage. METHODS Thirty rats were used in this study. They were grouped into five groups of six rats. Rats in group I received 2 mL/kg body weight (b.w.) of corn oil (vehicle). Animals in groups II, III, IV and V received 50, 100, 200 and 400 mg/kg b.w. of methanolic extract of M. oleifera (MEMO) for 8 weeks. Serum collected was analyzed for alanine aminotransferase (ALT), aspartate aminotransferase (AST), total protein, albumin, globulin, blood urea nitrogen (BUN) and creatinine. RESULTS There was a significant (p<0.05) increase in serum total protein and globulin in a dose-dependent manner. Rats that received MEMO at 200 and 400 mg/kg b.w. showed a significant (p<0.05) increase in serum ALT, AST, BUN and creatinine which pointed to hepatic and kidney damage. All experimental animals that received MEMO had a significant (p<0.05) increase in body weight in a dose-dependent manner. CONCLUSIONS This study therefore confirms for the first time that chronic administration of M. oleifera leaves might predispose to hepatic and kidney damage.
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Mootoosamy A, Fawzi Mahomoodally M. Ethnomedicinal application of native remedies used against diabetes and related complications in Mauritius. JOURNAL OF ETHNOPHARMACOLOGY 2013; 151:413-444. [PMID: 24231070 DOI: 10.1016/j.jep.2013.10.069] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Revised: 10/27/2013] [Accepted: 10/27/2013] [Indexed: 05/28/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Notoriously, the tropical island of Mauritius has one of the highest prevalence of diabetes worldwide and the economic burden associated with it is alarming. The use of native remedies (NRs) is well anchored in the local culture and it continues to be the cornerstone of therapy for diabetic patients. However, there is currently a dearth of updated primary data on NRs used by Mauritians against diabetes and diabetes related complications (DRCs). This study was therefore designed to record, analyze and document orally transmitted ethnopharmacological knowledge from diabetic patients and traditional medicine practitioners (TMPs) in Mauritius concerning NRs commonly used against diabetes and DRCs which might open new avenues to initiate novel antidiabetic drugs discovery. MATERIALS AND METHODS Data was collected following interviews from diabetic patients (n=328) and TMPs (n=20). Eleven quantitative indexes, namely informant consensus factor (FIC), fidelity level (FL), use value (UV), relative frequency of citation (RFC), relative importance (RI), cultural importance index (CII), index of agreement on remedies (IAR), cultural agreement index (CAI), quality use value (QUV), quality use agreement value (QUAV) and ethnobotanicity index (EI) were calculated. Statistical analysis such as Pearson correlation and Chi-squared test were performed to determine any association. RESULTS A total of 111 plant species distributed over 56 families, 30 polyherbal formulations and 16 animal species were documented to be traditionally used against diabetes and DRCs. For the first time 8 endemic plants have been recorded to be used against diabetes and DRCs from Mauritius. The most encountered medicinal plant family was Asteraceae. According to the EI, 16.2% of the native plants in Mauritius were used against diabetes and DRCs. As far as we know, Vangueria madagascariensis, Apium graveolens, Petroselinum crispum and Rubus alceifolius with high RFC values are recorded against diabetes and DRCs for the first time. Sociodemographic characteristics (age, gender, income, religious belief, education and residence) were found to significantly (p<0.05) influence the use of NRs. The average FIC for all ailments for plant and animal products were 0.94 and 0.87 respectively. Bryophyllum pinnatum, a native plant to Mauritius scored a high FL value (100%) used against diabetic neuropathy, Allium sativum had the highest RI value (2.00) due to its versatility, Aloe vera had the highest RFC (0.61), the CII (0.640) and the highest CAI value (0.635), Psidium guajava had the highest QUAV (0.961) which indicates its high bioactivity and Allium cepa was reported as the most effective plant species (QUV=0.965). According to UV, the most important species was Morinda citrifolia (1.21). Panoply of animal products were reported whereby fish (39.7%) was recorded as the most utilised zootherapy and Salmo salar scored the highest FL (100%) for diabetes. Some animal species (n=14) not previously documented against diabetes and DRCs are reported in the present study. CONCLUSION Our present investigation revealed that the use of NRs constitutes the common legacy of Mauritians and despite the penetration of allopathic medicine; NRs continue to play a crucial role in the primary health care system of Mauritius. To this effect, it is of uttermost importance to record this knowledge before it disappears. In addition, further experimental investigations are required to elucidate the pharmacological properties of the reported medicinal flora and fauna of Mauritius.
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Affiliation(s)
- Anushka Mootoosamy
- Department of Health Sciences, Faculty of Science, University of Mauritius, Reduit 230, Mauritius
| | - M Fawzi Mahomoodally
- Department of Health Sciences, Faculty of Science, University of Mauritius, Reduit 230, Mauritius.
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Lee HJ, Jeong YJ, Lee TS, Park YY, Chae WG, Chung IK, Chang HW, Kim CH, Choi YH, Kim WJ, Moon SK, Chang YC. Moringa Fruit Inhibits LPS-Induced NO/iNOS Expression through Suppressing the NF-κB Activation in RAW264.7 Cells. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2013; 41:1109-23. [DOI: 10.1142/s0192415x13500754] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In this study, we evaluated the anti-inflammatory effects of moringa (Moringa oleifera Lam.), a natural biologically active substance, by determining its inhibitory effects on pro-inflammatory mediators in lipopolysaccharide (LPS)-stimulated macrophage RAW264.7 cells. Extracts from different parts of moringa (root, leaf, and fruit) reduced LPS-induced nitric oxide (NO) release in a dose-dependent manner. The moringa fruit extract most effectively inhibited LPS-induced NO production and levels of inducible nitric oxide synthase (iNOS). The moringa fruit extract also was shown to suppress the production of inflammatory cytokines including IL-1β, TNF-α, and IL-6. Furthermore, moringa fruit extract inhibited the cytoplasmic degradation of I κ B -α and the nuclear translocation of p65 proteins, resulting in lower levels of NF -κ B transactivation. Collectively, the results of this study demonstrate that moringa fruit extract reduces the levels of pro-inflammatory mediators including NO , IL-1β, TNF-α, and IL-6 via the inhibition of NF -κ B activation in RAW264.7 cells. These findings reveal, in part, the molecular basis underlying the anti-inflammatory properties of moringa fruit extract.
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Affiliation(s)
- Hyo-Jin Lee
- Research Institute of Biomedical Engineering and Department of Medicine, Catholic University of Daegu School of Medicine, Daegu 705-718, Republic of Korea
| | - Yun-Jeong Jeong
- Research Institute of Biomedical Engineering and Department of Medicine, Catholic University of Daegu School of Medicine, Daegu 705-718, Republic of Korea
| | - Tae-Sung Lee
- Research Institute of Biomedical Engineering and Department of Medicine, Catholic University of Daegu School of Medicine, Daegu 705-718, Republic of Korea
| | - Yoon-Yub Park
- Research Institute of Biomedical Engineering and Department of Medicine, Catholic University of Daegu School of Medicine, Daegu 705-718, Republic of Korea
| | - Whi-Gun Chae
- Research Institute of Biomedical Engineering and Department of Medicine, Catholic University of Daegu School of Medicine, Daegu 705-718, Republic of Korea
| | - Il-Kyung Chung
- Department of Biotechnology, Catholic University of Daegu, Gyeongsan 712-702, Republic of Korea
| | - Hyeun-Wook Chang
- College of Pharmacy, Yeungnam University, Gyeongsan 712-749, Republic of Korea
| | - Cheorl-Ho Kim
- Department of Biological Science, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Yung-Hyun Choi
- Department of Biochemistry, College of Oriental Medicine, Dongeui University, Busan 614-052, Republic of Korea
| | - Wun-Jae Kim
- Personalized Tumor Engineering Research Center, Department of Urology, Chungbuk National University, Cheongju 361-763, Republic of Korea
| | - Sung-Kwon Moon
- Department of Food Science and Technology, Chung-Ang University, Ansung 456-756, Republic of Korea
| | - Young-Chae Chang
- Research Institute of Biomedical Engineering and Department of Medicine, Catholic University of Daegu School of Medicine, Daegu 705-718, Republic of Korea
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Nkukwana TT, Muchenje V, Masika PJ, Hoffman LC, Dzama K, Descalzo AM. Fatty acid composition and oxidative stability of breast meat from broiler chickens supplemented with Moringa oleifera leaf meal over a period of refrigeration. Food Chem 2013; 142:255-61. [PMID: 24001839 DOI: 10.1016/j.foodchem.2013.07.059] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Revised: 05/11/2013] [Accepted: 07/11/2013] [Indexed: 10/26/2022]
Abstract
Effects of diets supplemented with or without Moringa oleifera leaf meal (MOLM) on fatty acid (FA) composition and oxidative stability of broiler breast meat during refrigerated storage was determined. Dietary treatments (T) were as follows: T1, positive control, 668g/ton Salinomycin and 500g/ton Albac; T2, T3 and T4 contained graded levels of MOLM at 1%, 3% and 5% of dry matter (DM) intake, respectively; and T5, a negative control (0% additives). Oxidative stability was evaluated by thiobarbituric acid reactive substances (TBARS) on day (D) 1-8 of storage at 4°C; and FA analysis was done on samples obtained on D1 and D8. Significant effects on TBARS were noted on day (D) 1, 3, 4 and 7; increased with increasing storage time, and with increase in MOLM supplementation. Highest (P<0.05) C18:0 and C15:0 levels were noted on D1 in T2; C20:0 in T4 on D8; C20:2, C20:3n6 and C22:6n3 in T2; C18:3n6 and P/S ratio in T4 on D1; and n-3 in T3. Thus, despite the high SFA content, additive supplementation of M. oleifera leaf meal up to 5% of the bird's DMI improved the FA profile and reduced lipid oxidation in broiler breast meat.
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Affiliation(s)
- T T Nkukwana
- Department of Livestock and Pasture Science, University of Fort Hare, P. Bag X1314, Alice, Eastern Cape, South Africa
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Choi HG, Lee HD, Kim SH, Na MK, Kim JA, Lee SH. Phenolic Glycosides from Lindera obtusiloba and their Anti-allergic Inflammatory Activities. Nat Prod Commun 2013. [DOI: 10.1177/1934578x1300800212] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Eight phenolic glycosides, tachioside (1), isotachioside (2), koaburaside (3), 2,6-dimethoxy-4-hydroxyphenyl-1- O-ß-D-glucopyranoside (4), 4,6-dihydroxy-2- methoxyphenyl-1- O-β-D-glucopyranoside (5), a mixture of erigeside C (6a) and salidroside (6b), and 6-hydroxyphenyl)-1- O-β-D-glucopyranoside (7) were isolated from the stems of Lindera obtusiloba Blume. The structures of the isolates were determined by 1H-, 13C-NMR, COSY, HMQC, and HMBC spectroscopy. To evaluate their anti-allergic inflammatory activities, the inhibitory effects of isolates (1-7) on histamine release and on the gene expressions of tumor necrosis factor (TNF)-α and interleukin (IL)-6 were examined using human mast cells; previous studies have reported that TNF-α and IL-6 release from mast cells is positively related to the severity of allergic symptoms. Of the tested compounds, koaburaside (3), 2,6-dimethoxy-4-hydroxyphenyl-1- O-ß-D- glucopyranoside (4), and (6-hydroxyphenyl)-1- O-β-D-glucopyranoside (7) suppressed histamine release from mast cells as compared with gallic acid (positive control). In particular, 6-hydroxyphenyl)-1- O-β-D-glucopyranoside (7) attenuated the gene expressions of the proinflammatory cytokines TNF-α and IL-6 in human mast cells. Our results support the notion that phenolic glycosides isolated from L. obtusiloba inhibit mast-cell-derived allergic inflammation, histamine, and proinflammatory cytokines.
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Affiliation(s)
- Hyun Gyu Choi
- College of Pharmacy, Yeungnam University, Gyungsan, Gyungbuk, 712-749 Korea
| | - Hwa Dong Lee
- College of Pharmacy, Yeungnam University, Gyungsan, Gyungbuk, 712-749 Korea
| | - Sang Hyun Kim
- School of Medicine, Kyungpook National University, Daegu, 702-701 Korea
| | - Min Kyun Na
- College of Pharmacy, Chungnam National University, Daejeon 305-764 Korea
| | - Jeong Ah Kim
- College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu, 702-701 Korea
| | - Seung Ho Lee
- College of Pharmacy, Yeungnam University, Gyungsan, Gyungbuk, 712-749 Korea
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Yao RS, Lu XQ, Guan QX, Zheng L, Lu X, Ruan BF. Synthesis and biological evaluation of some novel resveratrol amide derivatives as potential anti-tumor agents. Eur J Med Chem 2012; 62:222-31. [PMID: 23353741 DOI: 10.1016/j.ejmech.2012.11.021] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2012] [Revised: 10/19/2012] [Accepted: 11/14/2012] [Indexed: 11/27/2022]
Abstract
Three series of novel resveratrol amide derivatives (1a-q, 2a-h, 3a-l) were synthesized and evaluated for their biological activities. All compounds were characterized by (1)H NMR, (13)C NMR, MS and elemental analysis. Furthermore, compound 3e was also characterized by X-ray crystallography. All the compounds were evaluated for their anti-tumor activity against MCF-7, A549 and B16-F10 tumor cell lines as well as cyclooxygenase-2 (COX-2)-derived prostaglandin E2 (PGE2) inhibitory activity of murine macrophage RAW 264.7 cell line. Among them, compounds 1c, 1g and 3e displayed the most potent COX-2 inhibitory activity with the IC50 values of 1.02, 1.27 and 1.98 μM, respectively. Molecular docking studies were performed to position compounds 1c and 3e into the active site of COX-2 to determine the probable binding modes.
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Affiliation(s)
- Ri-Sheng Yao
- School of Medical Engineering, Hefei University of Technology, Hefei, PR China
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Karim AA, Azlan A. Fruit pod extracts as a source of nutraceuticals and pharmaceuticals. Molecules 2012; 17:11931-46. [PMID: 23052712 PMCID: PMC6268244 DOI: 10.3390/molecules171011931] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2012] [Revised: 09/27/2012] [Accepted: 09/29/2012] [Indexed: 12/03/2022] Open
Abstract
Fruit pods contain various beneficial compounds that have biological activities and can be used as a source of pharmaceutical and nutraceutical products. Although pods or pericarps are usually discarded when consuming the edible parts of fruits, they contain some compounds that exhibit biological activities after extraction. Most fruit pods included in this review contain polyphenolic components that can promote antioxidant effects on human health. Additionally, anti-inflammatory, antibacterial, antifungal and chemopreventive effects are associated with these fruit pod extracts. Besides polyphenolics, other compounds such as xanthones, carotenoids and saponins also exhibit health effects and can be potential sources of nutraceutical and pharmaceutical components. In this review, information on fruit pods or pericarp of Garcinia mangostana, Ceratonia siliqua, Moringa oleifera, Acacia nilotica, Sapindus rarak and Prosopis cineraria is presented and discussed with regard to their biological activity of the major compounds existing in them. The fruit pods of other ethno- botanical plants have also been reviewed. It can be concluded that although fruit pods are considered as being of no practical use and are often being thrown away, they nevertheless contain compounds that might be useful sources of nutraceutical and other pharmaceutical components.
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Affiliation(s)
- Azila Abdul Karim
- Cocoa Innovation & Technology Centre, Malaysian Cocoa Board, PT12621, Nilai Industrial Area, 71800 Nilai, Negeri Sembilan, Malaysia;
| | - Azrina Azlan
- Department of Nutrition and Dietetics, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
- Laboratory of Halal Science Research, Halal Products Research Institute, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
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Mbikay M. Therapeutic Potential of Moringa oleifera Leaves in Chronic Hyperglycemia and Dyslipidemia: A Review. Front Pharmacol 2012; 3:24. [PMID: 22403543 PMCID: PMC3290775 DOI: 10.3389/fphar.2012.00024] [Citation(s) in RCA: 179] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2011] [Accepted: 02/08/2012] [Indexed: 11/13/2022] Open
Abstract
Moringa oleifera (M. oleifera) is an angiosperm plant, native of the Indian subcontinent, where its various parts have been utilized throughout history as food and medicine. It is now cultivated in all tropical and sub-tropical regions of the world. The nutritional, prophylactic, and therapeutic virtues of this plant are being extolled on the Internet. Dietary consumption of its part is therein promoted as a strategy of personal health preservation and self-medication in various diseases. The enthusiasm for the health benefits of M. oleifera is in dire contrast with the scarcity of strong experimental and clinical evidence supporting them. Fortunately, the chasm is slowly being filled. In this article, I review current scientific data on the corrective potential of M. oleifera leaves in chronic hyperglycemia and dyslipidemia, as symptoms of diabetes and cardiovascular disease (CVD) risk. Reported studies in experimental animals and humans, although limited in number and variable in design, seem concordant in their support for this potential. However, before M. oleifera leaf formulations can be recommended as medication in the prevention or treatment of diabetes and CVD, it is necessary that the scientific basis of their efficacy, the therapeutic modalities of their administration and their possible side effects be more rigorously determined.
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Affiliation(s)
- Majambu Mbikay
- Chronic Disease Program, Ottawa Hospital Research Institute Ottawa, ON, Canada
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79
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Zhang H, Lu X, Zhang LR, Liu JJ, Yang XH, Wang XM, Zhu HL. Design, synthesis and biological evaluation of N-phenylsulfonylnicotinamide derivatives as novel antitumor inhibitors. Bioorg Med Chem 2012; 20:1411-6. [PMID: 22277588 DOI: 10.1016/j.bmc.2012.01.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2011] [Revised: 12/31/2011] [Accepted: 01/02/2012] [Indexed: 11/24/2022]
Abstract
A series of novel N-phenylsulfonylnicotinamide derivatives (1-24) have been synthesized and evaluated as potential EGFR tyrosine kinase (TK) inhibitors. Among all the compounds, compound 10 (5-bromo-N-(4-chlorophenylsulfonyl)nicotinamide) showed the most potent growth inhibitory activity against EGFR TK and antiproliferative activity of MCF-7 cancer cell line in vitro, with IC(50) value of 0.09 and 0.07 μM. Docking simulation was performed to insert compound 10 into the EGFR TK active site to determine the probable binding model. Based on the preliminary results, compound 10 with potent inhibitory activity to tumor growth may be a potential anticancer agent.
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Affiliation(s)
- Hui Zhang
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing 210093, PR China
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80
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Prasad D N, Rao BG, Rao ES, Rao TM, Praneeth D VS. Quantification of phytochemical constituents and in-vitro antioxidant activity of Mesua ferrea leaves. Asian Pac J Trop Biomed 2012. [DOI: 10.1016/s2221-1691(12)60269-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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81
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Bijina B, Chellappan S, Basheer SM, Elyas K, Bahkali AH, Chandrasekaran M. Protease inhibitor from Moringa oleifera leaves: Isolation, purification, and characterization. Process Biochem 2011. [DOI: 10.1016/j.procbio.2011.09.008] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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82
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Lu X, Zhang H, Li X, Chen G, Li QS, Luo Y, Ruan BF, Chen XW, Zhu HL. Design, synthesis and biological evaluation of pyridine acyl sulfonamide derivatives as novel COX-2 inhibitors. Bioorg Med Chem 2011; 19:6827-32. [DOI: 10.1016/j.bmc.2011.09.034] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2011] [Revised: 09/18/2011] [Accepted: 09/19/2011] [Indexed: 10/17/2022]
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83
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Park EJ, Cheenpracha S, Chang LC, Kondratyuk TP, Pezzuto JM. Inhibition of lipopolysaccharide-induced cyclooxygenase-2 and inducible nitric oxide synthase expression by 4-[(2'-O-acetyl-α-L-rhamnosyloxy)benzyl]isothiocyanate from Moringa oleifera. Nutr Cancer 2011; 63:971-82. [PMID: 21774591 DOI: 10.1080/01635581.2011.589960] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Moringa oleifera Lamarck is commonly consumed for nutritional or medicinal properties. We recently reported the isolation and structure elucidation of novel bioactive phenolic glycosides, including 4-[(2'-O-acetyl-α-L-rhamnosyloxy)benzyl]isothiocyanate (RBITC), which was found to suppress inducible nitric oxide synthase (iNOS) expression and nitric oxide (NO) production in lipopolysaccharide-stimulated RAW 264.7 mouse macrophage cells. Inhibitors of proteins such as cyclooxygenase-2 (COX-2) and iNOS are potential antiinflammatory and cancer chemopreventive agents. The inhibitory activity of RBITC on NO production (IC(50) = 0.96 ± 0.23 μM) was greater than that mediated by other well-known isothiocyanates such as sulforaphane (IC(50) = 2.86 ± 0.39 μM) and benzyl isothiocyanate (IC(50) = 2.08 ± 0.28 μM). RBITC inhibited expression of COX-2 and iNOS at both the protein and mRNA levels. Major upstream signaling pathways involved mitogen-activated protein kinases and nuclear factor-κB (NF-κB). RBITC inhibited phosphorylation of extracellular signal-regulated kinase and stress-activated protein kinase, as well as ubiquitin-dependent degradation of inhibitor κBα (IκBα). In accordance with IκBα degradation, nuclear accumulation of NF-κB and subsequent binding to NF-κB cis-acting element was attenuated by treatment with RBITC. These data suggest RBITC should be included in the dietary armamentarium of isothiocyanates potentially capable of mediating antiinflammatory or cancer chemopreventive activity.
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Affiliation(s)
- Eun-Jung Park
- College of Pharmacy, University of Hawaii at Hilo, Hilo, Hawaii 96720, USA
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84
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New α-glucosides of caffeoyl quinic acid from the leaves of Moringa oleifera Lam. J Nat Med 2011; 66:217-21. [DOI: 10.1007/s11418-011-0563-5] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2011] [Accepted: 06/15/2011] [Indexed: 11/26/2022]
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85
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Bijina B, Chellappan S, Krishna JG, Basheer SM, Elyas K, Bahkali AH, Chandrasekaran M. Protease inhibitor from Moringa oleifera with potential for use as therapeutic drug and as seafood preservative. Saudi J Biol Sci 2011; 18:273-81. [PMID: 23961135 PMCID: PMC3730569 DOI: 10.1016/j.sjbs.2011.04.002] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2011] [Revised: 04/04/2011] [Accepted: 04/11/2011] [Indexed: 12/01/2022] Open
Abstract
Protease inhibitors are well known to have several applications in medicine and biotechnology. Several plant sources are known to return potential protease inhibitors. In this study plants belonging to different families of Leguminosae, Malvaceae, Rutaceae, Graminae and Moringaceae were screened for the protease inhibitor. Among them Moringa oleifera, belonging to the family Moringaceae, recorded high level of protease inhibitor activity after ammonium sulfate fractionation. M. oleifera, which grows throughout most of the tropics and having several industrial and medicinal uses, was selected as a source of protease inhibitor since so far no reports were made on isolation of the protease inhibitor. Among the different parts of M. oleifera tested, the crude extract isolated from the mature leaves and seeds showed the highest level of inhibition against trypsin. Among the various extraction media evaluated, the crude extract prepared in phosphate buffer showed maximum recovery of the protease inhibitor. The protease inhibitor recorded high inhibitory activity toward the serine proteases thrombin, elastase, chymotrypsin and the cysteine proteases cathepsin B and papain which have more importance in pharmaceutical industry. The protease inhibitor also showed complete inhibition of activities of the commercially available proteases of Bacillus licheniformis and Aspergillus oryzae. However, inhibitory activities toward subtilisin, esperase, pronase E and proteinase K were negligible. Further, it was found that the protease inhibitor could prevent proteolysis in a commercially valuable shrimp Penaeus monodon during storage indicating the scope for its application as a seafood preservative. This is the first report on isolation of a protease inhibitor from M. oleifera.
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Affiliation(s)
- B. Bijina
- Microbial Technology Laboratory, Department of Biotechnology, Cochin University of Science and Technology, Cochin 682022, India
| | - Sreeja Chellappan
- Microbial Technology Laboratory, Department of Biotechnology, Cochin University of Science and Technology, Cochin 682022, India
| | - Jissa G. Krishna
- Microbial Technology Laboratory, Department of Biotechnology, Cochin University of Science and Technology, Cochin 682022, India
| | - Soorej M. Basheer
- Microbial Technology Laboratory, Department of Biotechnology, Cochin University of Science and Technology, Cochin 682022, India
| | - K.K. Elyas
- Microbial Technology Laboratory, Department of Biotechnology, Cochin University of Science and Technology, Cochin 682022, India
- Department of Biotechnology, University of Calicut, Calicut University P.O., Kerala, India
| | - Ali H. Bahkali
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - M. Chandrasekaran
- Microbial Technology Laboratory, Department of Biotechnology, Cochin University of Science and Technology, Cochin 682022, India
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
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86
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Sahakitpichan P, Mahidol C, Disadee W, Ruchirawat S, Kanchanapoom T. Unusual glycosides of pyrrole alkaloid and 4'-hydroxyphenylethanamide from leaves of Moringa oleifera. PHYTOCHEMISTRY 2011; 72:791-795. [PMID: 21439596 DOI: 10.1016/j.phytochem.2011.02.021] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2010] [Revised: 01/13/2011] [Accepted: 02/21/2011] [Indexed: 05/30/2023]
Abstract
Glycosides of pyrrole alkaloid (pyrrolemarumine 4″-O-α-L-rhamnopyranoside) and 4'-hydroxyphenylethanamide (marumosides A and B) were isolated from leaves of Moringa oleifera along with eight known compounds; niazirin, methyl 4-(α-L-rhamnopyranosyloxy)benzylcarbamate, benzyl β-D-glucopyranoside, benzyl β-D-xylopyranosyl-(1→6)-β-D-glucopyranoside, kaempferol 3-O-β-D-glucopyranoside, quercetin 3-O-β-D-glucopyranoside, adenosine and L-tryptophan. Structure elucidations were based on analyses of chemical and spectroscopic data including 1D- and 2D-NMR.
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Affiliation(s)
- Poolsak Sahakitpichan
- Chulabhorn Research Institute and Chulabhorn Graduate Institute, Vipavadee-Rangsit Highway, Bangkok, Thailand
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87
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Li C, Wang MH. Anti-inflammatory effect of the water fraction from hawthorn fruit on LPS-stimulated RAW 264.7 cells. Nutr Res Pract 2011; 5:101-6. [PMID: 21556222 PMCID: PMC3085797 DOI: 10.4162/nrp.2011.5.2.101] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2010] [Revised: 03/11/2011] [Accepted: 03/31/2011] [Indexed: 12/23/2022] Open
Abstract
The hawthorn fruit (Crataegus pinnatifida Bunge var. typica Schneider) is used as a traditional medicine in Korea. The objective of this study was to understand the mechanisms of the anti-inflammatory effects of the water fractionated portion of hawthorn fruit on a lipopolysaccharide (LPS)-stimulated RAW 264.7 cellular model. The level of nitric oxide (NO) production in the water fraction and LPS-treated RAW 264.7 cells were determined with an ELISA. The cytotoxicity of the water fraction and LPS was measured with an MTT assay. Expression of nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), tumor necrosis factor (TNF)-α, interleukin 6 (IL-6), and interleukin 1β (IL-1β) mRNA were analyzed with a reverse transcription polymerase chain reaction (RT-PCR). The water fraction of hawthorn fruit was determined to be safe and significantly inhibited NO production in LPS-stimulated RAW 264.7 cells and suppressed COX-2, TNF-α, IL-1β, and IL-6 expression. The observed anti-inflammatory effects of the water fraction of hawthorn fruit might be attributed to the down-regulation of COX-2, TNF-α, IL-1β, and IL-6 expression in LPS-stimulated RAW 264.7 cells.
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Affiliation(s)
- Chunmei Li
- College of Biomedical Science, Kangwon National University, 192-1 Hyoja-dong, Chuncheon-si, Gangwon 200-701, Korea
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88
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Anti-inflammatory properties of a new undecyl-rhamnoside (APRC11) against P. acnes. Arch Dermatol Res 2011; 303:707-13. [DOI: 10.1007/s00403-011-1147-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2010] [Revised: 03/13/2011] [Accepted: 03/16/2011] [Indexed: 10/18/2022]
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