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Fenugreek (Trigonella foenum-graecum) and Inflammation (general): evidence and sources
inferred from anti-inflammatory action
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Introduction Inflammation is a vital reaction of the natural immune system that protects against encroaching agents. However, uncontrolled inflammation can lead to complications. Trigonella foenumgraecum is traditionally used as an anti-inflammatory herb. Objectives The current study was conducted to explore the antioxidant, anti-inflammatory, and antiangiogenic potentials of Trigonella foenum-graecum seeds oil. Methods Oil was extracted from seeds of Trigonella foenum-graecum by cold press method and labelled as TgSO. Phytochemical (GC-MS, Folin-Ciocalteu method) and metal analyses were conducted to evaluate the metalo-chemical profile of TgSO. In vitro antioxidant assays (2,2-diphenyl-1-picrylhydrazyl, 2,2'-azino-bis-3- ethylbenzothiazoline-6-sulfonic acid and ferric reducing antioxidant power) were performed to assess its antioxidant potential. In vitro antimicrobial activity was evaluated using agar disc diffusion method and the safety profile of TgSO was assessed in acute toxicological studies following OECD 425 guidelines. In vivo antiinflammatory activities of TgSO were assessed in carrageenan, serotonin, histamine, formalin, and cotton pelletinduced oedema models. Serum TNF-α, Superoxide Dismutase (SOD) and, Catalases (CAT) levels were assessed by ELISA kits. In vivo antiangiogenic activity of TgSO was screened in chick Chorioallantoic Membrane (CAM) assay. Histopathological studies using excised paws were conducted to observe the effects of TgSO treatment at the tissue level. In silico docking studies were conducted to screen the binding potentials of identified compounds with TNF-α. Results Extraction by cold press method yielded 16% of TgSO. Phytochemical analysis of TgSO through GCMS showed the presence of eugenol, dihydrocoumairn, heptadecanoic acid, tri- and tetradecanoic acid, and hexadecanoic acid, respectively. Total phenolic contents of TgSO were found to be 0.30±0.01mg/g gallic acid equivalent in Folin-Ciocalteu method. Metal analysis indicated the presence of different metals in TgSO. Findings of antioxidant models showed the moderate antioxidant potential of TgSO. Findings of antimicrobial assays showed that TgSO was active against bacterial (S. aureus, S. epidermidis) and fungal (C. albicans, and A. niger) strains. In vivo toxicity study data showed that TgSO was safe up to the dose of 5000 mg/kg. Data of oedema models showed a significant (p Conclusion Data obtained from the current study conclude that TgSO has antioxidant, anti-inflammatory, and antiangiogenic effects that validate its traditional uses. Synergistic actions of different phytoconstituents are proposed to be responsible for the observed effects.
Trigonella foenum-graecum, a member oldest medicinal plant in the fabaceae (legumes) family, is used as a herb, spice, and vegetable, and known for its olfactory, laxative, and galactogogue effects. However, the inhibitory effect of Trigonella foenum-graecum on allergic inflammatory response remains unclear, therefore, we investigated the precise role of Trigonella foenum-graecum in the allergic asthma and revealed the effects of Trigonella foenum-graecum in regulating airway inflammation and its possible mechanism. Allergic asthma was initiated in BALB/c mice by sensitized with OVA emulsified in aluminum on days 1 and 14, then aerosol challenged with OVA on days 27, 28 and 29. Some mice were administered Trigonella foenum-graecum by oral gavage before challenge. Then mice were evaluated for the presence of airway inflammation, production of allergen-specific cytokine response and lung pathology. Trigonella foenum-graecum significantly ameliorated the number of inflammatory cells in BALF and alleviated lung inflammation. It also reduced the collagen deposition and goblet cells. Meanwhile, Trigonella foenum-graecum treatment evidently decreased the high expression of Th2 cytokines and increased the Th1 cytokines in BALF and lung homogenates. Trigonella foenum-graecum showed a significant inhibition of serum IgE and anti-OVA IgG 1. In this study, our data suggest that Trigonella foenum-graecum has a significant anti-inflammatory effect and it may prove to be an efficacious therapeutic regent on allergic asthma.
5 sources supporting Fenugreek for Inflammation (general). Includes scientific publications, books, monographs and traditional-use references.
Mechanistic basis
This use is associated with the plant's anti-inflammatory action. Further evidence for that pharmacology:
Background Adjuvant therapies especially medicinal plants have gained lots of attention nowadays and have been consumed all over the world for treating different diseases particularly rheumatoid arthritis (RA). Recent animal studies have indicated the benefits of fenugreek in RA and indicate that it may be a therapeutic candidate in RA; nonetheless, no systematic review is available about fenugreek and RA. This paper systematically reviewed the existing studies about fenugreek and RA and plausible mechanisms. Methods Databases including PubMed, Scopus, Web of Science, ProQuest, and the search engine Google Scholar were searched until May 2022 and search alerts were used to receive studies issued after the primary search. There was no restriction in time and/or language. No human and in vitro research was detected; thus, animal investigations were considered. Also, the citations or references of studies were searched for potential studies. Book chapters, review papers, and grey literature (e.g. conference abstracts, dissertations, and patents) were not included. Results Finally, 11 studies were entered in this systematic review. Animal investigations showed that fenugreek had favorable effects in RA and could control this disease via attenuating inflammation, suppressing oxidative stress, and displaying anti-arthritic activity. Conclusion Current review provides potent evidences about the efficacy of fenugreek in RA and elucidates the significance of more clinical investigations. HighlightsFenugreek had favorable effects in rheumatoid arthritis and could control this disease via attenuating inflammation, suppressing oxidative stress, and displaying anti-arthritic activity.
Plant-derived natural products have long-standing utility toward treating degenerative diseases. It is estimated that about two-thirds of world population depend on traditional medicine for primary medical needs. Fenugreek (Trigonella foenum-graecum Linn.), a short-living annual medicinal plant belonging to Fabaceae family, is used extensively in various parts of the world as herb, food, spice, and traditional medicine. Fenugreek is considered as one of the oldest medicinal plants and its health-promoting effects have been cited in Ayurveda and traditional Chinese medicine. The investigations into the chemical composition and pharmacological actions have seen a renaissance in recent years. Extensive preclinical and clinical research have outlined the pharmaceutical uses of fenugreek as antidiabetic, antihyperlipidemic, antiobesity, anticancer, anti-inflammatory, antioxidant, antifungal, antibacterial, galactogogue and for miscellaneous pharmacological effects, including improving women's health. The pharmacological actions of fenugreek are attributed to diverse array of phytoconstituents. The phytochemical analysis reveals the presence of steroids, alkaloids, saponins, polyphenols, flavonoids, lipids, carbohydrates, amino acids, and hydrocarbons. This review aims to summarize and critically analyze the current available literature to understand the potential of fenugreek for disease prevention and health improvement with special emphasis on cellular and molecular mechanisms. Current challenges and new directions of research on fenugreek are also discussed.