Design, Molecular Docking, Synthesis, Characterization and Biological Activities of Novel Thiazole Derivatives

2022 ◽  
Vol 19 ◽  
Author(s):  
Neeharika Yamsani ◽  
Raja Sundararajan
Keyword(s):  
Schiff Base ◽  
Molecular Docking ◽  
Antioxidant Activities ◽  
Biological Activities ◽  
Radical Scavenging ◽  
Molecular Properties ◽  
Dilution Method ◽  
Thiazole Derivatives ◽  
Serial Dilution Method

Aim: The study aims to design & synthesize novel thiazole derivatives as potent antitubercular agents with minimal side effects. Background: The emergence and rapid spread of multi-drug resistant infectious microbial flora embracing a variety of bacterial as well as mycobacterium strains are causing a threat to public health worldwide. Objective: Owing to the importance, we designed compounds with thiazole functionality coupled with Schiff base and thiosemicarbazide, predicted the molecular properties and antitubercular potency of designed compounds by the in-silico method, and synthesized fifteen novel thiazole analogs, characterized and tested in vivo antitubercular, antibacterial and antioxidant potencies. Methods: Molinspiration online tool was used to predict the molecular properties and molecular docking was used to predict the antitubercular potency. FT-IR, 1H-NMR, 13C-NMR, Mass spectroscopy and bases of elemental analysis are employed to confirm the structure of compounds. 10-Fold serial dilution method, agar streak dilution test and DPPH radical scavenging methods are used to estimate antitubercular, antibacterial and antioxidant potency of title analogs, respectively. Results: Multi-step synthesis was used to synthesize a variety of novel thiazole derivatives coupled with Schiff base and thiosemicarbazide. Synthesized title compounds displayed a varying degree of antitubercular, antibacterial and antioxidant activities (mild to good). The title compounds possessing deactivating group exhibited superior activities than activating group, while unsubstituted analogs displayed intermediate activities. In addition, para-substituted analogs showed slightly higher activity than the corresponding meta substituted analogs. Conclusion: Among fifteen tested title compounds, the potent compound of this series was found to be 1-(4-nitrobenzylidene)-4-(4-(4-methoxyphenyl)thiazol-2-yl)thiosemicarbazide (BTS14), which might be extended as a novel class of antitubercular and antibacterial agents.

scholarly journals PHYTOCHEMICAL SCREENING, ANTIOXIDANT AND ANTIMICROBIAL ASSESSMENT OF PLUCHEA INDICA (L.) LESS EXTRACT AS AN ACTIVE INGREDIENT IN NATURAL LOTION BAR

2021 ◽  
pp. 51-57
Author(s):  
SIRIKHWAN TINRAT
Keyword(s):  
Broad Spectrum ◽  
Antioxidant Activities ◽  
Biological Activities ◽  
Radical Scavenging ◽  
Ethanolic Extract ◽  
Antimicrobial Activities ◽  
Dilution Method ◽  
Reducing Ability ◽  
Phytochemical Compounds ◽  
Antioxidant And Antimicrobial Activities

Objective: To screen phytochemical compounds and study antioxidant and antimicrobial activities of Pluchea indica (L.) Less (PI) leaves extracts for assessment the moisturizing lotion bar formulation containing it’s as a bioactive ingredient. Methods: PI leaves were extracted in different solvents. Crude extracts were screened phytochemical compounds and evaluated antioxidant and antimicrobial activities before formulating to antibacterial moisturizing lotion bar. Results: 95% ethanolic extract displayed high antioxidant activities. DPPH radical scavenging capacity with IC50 was 6.80±0.04 mg/ml (61.37±0.41%) and the ferric reducing ability power was 381.20±0.10 mg AAE/100 gDW. Additionally, 95% ethanolic extract served as a broad spectrum bacteriostatic agents against gram-positive and gram-negative species with an inhibition zone of 6.50±0.00-46.67±0.58 mm. It also was simultaneously as a broad spectrum bactericidal agents (MIC and MBC value of 25-200 mg/ml) by broth micro-dilution method. The screened phytochemical constituents (saponins, tannins, flavonoids, terpenoids, steroids, and alkaloids) in PI leaves extract may be responsible for high biological activities. Thus, 95% ethanolic extract was the most appropriate bioactive ingredient for formulated the product development. Conclusion: The developed moisturizing lotion bar with 0.0041% of 95% ethanolic extract was the most eligible formula that showed good appearance, odor, color, homogeneity, after feel and stability. This extract-containing lotion bar formulation achieved a high level of customer satisfaction by sensory evaluation and development of this specific formulation should be subject to further clinical investigation.

scholarly journals Remedial Effects and Molecular Docking Studies of Nevadensin: ‎Antiglucosidase, Anti-cholinesterase, and Anti-Human Oral Squamous ‎Cell Carcinoma Potentials

2021 ◽  
Author(s):  
Xu Lan ◽  
Li Liu ◽  
Guangyu Wu
Keyword(s):  
Squamous Cell Carcinoma ◽  
Molecular Docking ◽  
Oral Squamous Cell Carcinoma ◽  
Cell Carcinoma ◽  
Cell Line ◽  
Cell Lines ◽  
Squamous Cell ◽  
Antioxidant Activities ◽  
Biological Activities ◽  
Radical Scavenging

IntroductionNevadensin has a variety of pharmacological effects, including effects of anti-mycobacterium ‎tuberculosis, antitussive, anti-hypertensive, anti-inflammatory, and free radical-scavenging ‎activities. In this study, we investigated for their anticholinergics, antidiabetic, and anti-‎human oral squamous cell carcinoma potentials for nevadensin. ‎Material and methodsThe antioxidant activities of nevadensin were elucidated by using various bioanalytical assays. ‎On the other hand, IC50 values were calculated for acetylcholine esterase, α-glucosidase ‎inhibition effects of nevadensin. For determining of anti-human oral squamous cell carcinoma ‎properties of nevadensin, MTT assay was used on HUVEC, HSC-3, HSC-4, and Ca9-22 cell ‎lines. The molecular docking method used to compare the biological activities of the ‎nevadensin molecule against enzymes was used. Afterwards, the ADME/T analysis was ‎performed to investigate the drug availability of the nevadensin molecule and the obtained ‎parameters from ADME/T analysis were examined.‎ResultsThe cell viability of nevadensin was very low against human oral squamous cell carcinoma cell ‎lines without any cytotoxicity on the human normal (HUVEC) cell line. The IC50 of the ‎nevadensin against HSC-3, HSC-4, and Ca9-22 were 316, 273, and 399 µg/mL, respectively. ‎Thereby, the best cytotoxicity results and anti-human oral squamous cell carcinoma potentials ‎of our nevadensin was observed in the case of the HSC-4 cell line. ‎ConclusionsMaybe the anti-human lung carcinoma properties of nevadensin are related to their antioxidant ‎effects. ‎

scholarly journals Quinoline Functionalized Schiff Base Silver (I) Complexes: Interactions with Biomolecules and In Vitro Cytotoxicity, Antioxidant and Antimicrobial Activities

Molecules ◽  
2021 ◽  
Vol 26 (5) ◽  
pp. 1205
Author(s):  
Adesola A. Adeleke ◽  
Sizwe J. Zamisa ◽  
Md. Shahidul Islam ◽  
Kolawole Olofinsan ◽  
Veronica F. Salau ◽  
...  
Keyword(s):  
Schiff Base ◽  
Antioxidant Activities ◽  
Biological Activities ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Antimicrobial Activities ◽  
In Vitro Cytotoxicity ◽  
Spectroscopic Techniques ◽  
Antioxidant Power

A series of fifteen silver (I) quinoline complexes Q1–Q15 have been synthesized and studied for their biological activities. Q1–Q15 were synthesized from the reactions of quinolinyl Schiff base derivatives L1–L5 (obtained by condensing 2-quinolinecarboxaldehyde with various aniline derivatives) with AgNO3, AgClO4 and AgCF3SO3. Q1–Q15 were characterized by various spectroscopic techniques and the structures of [Ag(L1)2]NO3Q1, [Ag(L1)2]ClO4Q6, [Ag(L2)2]ClO4Q7, [Ag(L2)2]CF3SO3Q12 and [Ag(L4)2]CF3SO3Q14 were unequivocally determined by single crystal X-ray diffraction analysis. In vitro antimicrobial tests against Gram-positive and Gram-negative bacteria revealed the influence of structure and anion on the complexes′ moderate to excellent antibacterial activity. In vitro antioxidant activities of the complexes showed their good radical scavenging activity in ferric reducing antioxidant power (FRAP). Complexes with the fluorine substituent or the thiophene or benzothiazole moieties are more potent with IC50 between 0.95 and 2.22 mg/mL than the standard used, ascorbic acid (2.68 mg/mL). The compounds showed a strong binding affinity with calf thymus-DNA via an intercalation mode and protein through a static quenching mechanism. Cytotoxicity activity was examined against three carcinoma cell lines (HELA, MDA-MB231, and SHSY5Y). [Ag(L2)2]ClO4Q7 with a benzothiazole moiety and [Ag(L4)2]ClO4Q9 with a methyl substituent had excellent cytotoxicity against HELA cells.

POCl3 Mediated Syntheses, Pharmacological Evaluation and Molecular Docking Studies of Some Novel Benzofused Thiazole Derivatives as a Potential Antioxidant and Anti-inflammatory Agents

2020 ◽  
Vol 14 (1) ◽  
pp. 58-68
Author(s):  
Dattatraya G. Raut ◽  
Sandeep B. Patil ◽  
Prafulla B. Choudhari ◽  
Vikas D. Kadu ◽  
Anjana S. Lawand ◽  
...  
Keyword(s):  
Molecular Docking ◽  
Antioxidant Activities ◽  
Research Work ◽  
Radical Scavenging ◽  
Docking Simulation ◽  
Thiazole Derivatives ◽  
Binding Model ◽  
Antioxidant Agents ◽  
Anti Inflammatory

Background: The present research work is focused on the development of alternative antioxidant and anti-inflammatory agents. The review of the literature reveals that many benzofused thiazole analogues have been used as lead molecules for the design and development of therapeutic agent, including anticancer, anti-inflammatory, antioxidant and antiviral. The synthesized benzofused thiazole derivatives are evaluated for in vitro antioxidant, anti-inflammatory activities and molecular docking study. Thus, the present research work aims to synthesize benzofused thiazole derivatives and to test their antioxidant and antiinflammatory activities. Objective: To design and synthesize an alternative antioxidant and anti-inflammatory agents. Methods: The substituted benzofused thiazoles 3a-g were prepared by cyclocondensation reaction of appropriate carboxylic acid with 2-aminothiophenol in POCl3 and heated for about 2-3 h to offer benzofused thiazole derivatives 3a-g. All the newly synthesized compounds were in vitro screened for their anti-inflammatory and antioxidant activities by using a known literature method. Results: At the outset, the study of in vitro indicated that the compounds code 3c, 3d and 3e possessed distinct anti-inflammatory activity as compared to a standard reference. All the tested compounds show potential antioxidant activity against one or more reactive (H2O2, DPPH, SO and NO) radical scavenging species. Additionally, docking simulation is further performed to the position of compounds 3d & 3e into the anti-inflammatory active site to determine the probable binding model. Conclusion: New anti-inflammatory and antioxidant agents were needed; it has been proved that benzofused thiazole derivatives were 3c, 3d and 3e constituted as an interesting template for the evaluation of new anti-inflammatory agents and an antioxidant’s work also may provide an interesting template for further development.

scholarly journals Antioxidant Activities of Commiphora leptophloeos (Mart.) J. B. Gillett) (Burseraceae) Leaf Extracts Using In Vitro and In Vivo Assays

2021 ◽  
Vol 2021 ◽  
pp. 1-11
Author(s):  
Maria Lúcia da Silva Cordeiro ◽  
Ana Raquel Carneiro Ribeiro ◽  
Luciana Fentanes Moura de Melo ◽  
Lucas Felipe da Silva ◽  
Gabriel Pereira Fidelis ◽  
...  
Keyword(s):  
Liquid Chromatography ◽  
Antioxidant Capacity ◽  
Antioxidant Activities ◽  
Biological Activities ◽  
Radical Scavenging ◽  
In Vitro Assays ◽  
Leaf Extracts ◽  
In Vivo Assays

Commiphora leptophloeos is widely used in folk medicine without any scientific basis. Considering this, the aim of this study was to evaluate the chemical profile and the antioxidant activity of C. leptophloeos leaf extracts using in vitro and in vivo assays. Six extracts were obtained from fresh leaves using a serial extraction (nonpolar to polar solvents). These extracts were first evaluated with the presence of phytochemical compounds using the methods thin layer chromatography (TLC), ultrahigh performance liquid chromatography (UHPLC-DAD), and high performance liquid chromatography, both with diode array detection (HPLC-DAD). Based on the compounds identified, it was used some bioinformatics tools in order to identify possible pathway and gene targets. After that, the antioxidant capacity from these extracts was analysed by in vitro assays and in vivo assays using Caenorhabditis elegans model. Phytochemical analyses showed the presence of polyphenols, such as rutin, vitexin, and quercetin diglycosides in all extracts, especially in ethanol extract (EE) and methanol extract (EM). Bioinformatics analysis showed these polyphenols linked to antioxidant pathways. Furthermore, EE and EM displayed a high antioxidant capacity in DPPH and superoxide radical scavenging assays. They also had no effect on cell viability for 3T3 nontumour cell. However, for B16-F10 tumour cell lines, these extracts had toxicity effect. In vivo assays using C. elegans N2 showed that EE was not toxic, and it did not affect its viability nor its development. Besides, EE increased worm survival under oxidative stress and reduced intracellular reactive oxygen species (ROS) levels by 50%. Thus, C. leptophloeos EE displayed an important in vitro and in vivo antioxidant capacity. The EE extract has polyphenols, suggesting that these compounds may be responsible for a myriad of biological activities having this potential to be used in various biotechnological applications.

Punica granatum as a Source of Natural Antioxidant and Antimicrobial Agent; a Comprehensive Review on Related Investigations

2020 ◽  
Vol 17 ◽  
Author(s):  
Atefeh Jalali ◽  
Mohammadreza Kiafar ◽  
Masih Seddigh ◽  
Mohammad M. Zarshenas
Keyword(s):  
Antioxidant Activities ◽  
Antioxidant Properties ◽  
Radical Scavenging ◽  
Natural Antioxidants ◽  
Punica Granatum ◽  
Antimicrobial Activities ◽  
Natural Antioxidant ◽  
Antiviral Activities ◽  
Natural Foods

Background: The consumption of natural antioxidants is increasing due to the demand and tendency to natural foods. Punica granatum L. [Punicaceae] is a fruit with various bioactive ingredients. The effectiveness of this plant has been proved against various disorders such as hyperglycemia, hyperlipidemia, blood coagulation, infections, cancer, and dentistry. Among them, there are numerous researches on antimicrobial and antioxidant properties. Subsequently, the present study aimed to compile a review of those properties to outline this herb as a possible natural antioxidant and preservative. Methods: Synchronically, keywords "Punica granatum" with antimicrobial, or antibacterial, antifungal, antiviral, antioxidant and radical scavenging were searched through "Scopus" database up to 31st September 2019. Papers focusing on agriculture, genetics, chemistry, and environmental sciences were excluded and also related papers were collected. Results: Among 201 papers focusing on related activities, 111 papers have dealt with antioxidant activities focusing based on DPPH assay, 59 with antibacterial, on both gram+ and gram- bacteria, 24 with antifungal effects, mostly on Aspergillus niger and Candida albicans, and 7 papers with antiviral activities. There were about 50 papers focusing on in-vivo antioxidant activities of this plant. Conclusion: Taken together, botanical parts of P. granatum have possessed notable radical scavenging and antimicrobial activities that with these properties, this plant can be introduced as a natural safe source of preservative and antioxidant. Accordingly, P. granatum can be applied as excipient with the aforementioned properties in the pharmaceutical and food industries.

Design, Synthesis, Characterization and in silico molecular docking studies and in vivo anti-inflammatory Activity of Pyrazoline clubbed Thiazolinone Derivatives

2020 ◽  
Vol 17 ◽  
Author(s):  
Deepak Kumar Singh ◽  
Mayank Kulshreshtha ◽  
Yogesh Kumar ◽  
Pooja A Chawla ◽  
Akash Ved ◽  
...  
Keyword(s):  
Molecular Docking ◽  
Biological Activities ◽  
Inflammatory Activity ◽  
Standard Drug ◽  
Docking Score ◽  
Chemical Structures ◽  
Cox 2 ◽  
Anti Inflammatory ◽  
Cox 1

Background: The pyrazolines give the reactions of aliphatic derivatives, resembling unsaturated compounds in their behavior towards permanganate and nascent hydrogen. This nucleus has been associated with various biological activities including inflammatory. Thiazolinone is a heterocyclic compound that contains both sulfur and nitrogen atom with a carbonyl group in their structure.Thiazolinone and their derivatives have attracted continuing interest because of their various biological activities, such as anti-inflammatory, antimicrobial, anti-proliferative, antiviral, anticonvulsant etc. The aim of the research was to club pyrazoline nucleus with thiazolinone in order to have significantanti-inflammatory activity. The synthesized compounds were chemically characterized for the establishment of their chemical structures and to evaluate as anti-inflammatory agent. Method: In the present work, eight derivatives of substituted pyrazoline (PT1-PT8) were synthesized by a three step reaction.The compounds were subjected to spectral analysis by Infrared, Mass and Nuclear magnetic resonance spectroscopy and elemental analysis data. All the synthesized were evaluated for their in vivo anti-inflammatory activity. The synthesized derivatives were evaluated for their affinity towards target COX-1 and COX-2, using indomethacin as the reference compound molecular docking visualization through AutoDock Vina. Results: Compounds PT-1, PT-3, PT-4 and PT-8 exhibited significant anti-inflammatory activity at 3rd hour being 50.7%, 54.3%, 52.3% and 57% respectively closer to that of the standard drug indomethacin (61.9%).From selected anti-inflammatory targets, the synthesized derivatives exhibited better interaction with COX-1 and COX-2 receptor, where indomethacin showed docking score of -6.5 kJ/mol, compound PT-1 exhibited highest docking score of -9.1 kJ/mol for COX-1 and compound PT-8 having docking score of 9.4 kJ/mol for COX-2. Conclusion: It was concluded that synthesized derivatives have more interaction with COX-2 receptors in comparison to the COX-1 receptors because the docking score with COX-2 receptors were very good. It is concluded that the synthesized derivatives (PT-1 to PT-8) are potent COX-2 inhibitors.

Action of Thioglycosides of 1,2,4-Triazoles and Imidazoles on the Oxidative Stress and Glycosidases in Mice with Molecular Docking

2019 ◽  
Vol 16 (6) ◽  
pp. 696-710
Author(s):  
Mahmoud Balbaa ◽  
Doaa Awad ◽  
Ahmad Abd Elaal ◽  
Shimaa Mahsoub ◽  
Mayssaa Moharram ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Molecular Docking ◽  
Active Sites ◽  
Biological Activities ◽  
Imidazole Ring ◽  
Quantitative Structure Activity Relationship ◽  
Binding Interaction ◽  
Qsar Study

Background: ,2,3-Triazoles and imidazoles are important five-membered heterocyclic scaffolds due to their extensive biological activities. These products have been an area of growing interest to many researchers around the world because of their enormous pharmaceutical scope. Methods: The in vivo and in vitro enzyme inhibition of some thioglycosides encompassing 1,2,4- triazole N1, N2, and N3 and/or imidazole moieties N4, N5, and N6. The effect on the antioxidant enzymes (superoxide dismutase, glutathione S-transferase, glutathione peroxidase and catalase) was investigated as well as their effect on α-glucosidase and β-glucuronidase. Molecular docking studies were carried out to investigate the mode of the binding interaction of the compounds with α- glucosidase and β -glucuronidase. In addition, quantitative structure-activity relationship (QSAR) investigation was applied to find out the correlation between toxicity and physicochemical properties. Results: The decrease of the antioxidant status was revealed by the in vivo effect of the tested compounds. Furthermore, the in vivo and in vitro inhibitory effects of the tested compounds were clearly pronounced on α-glucosidase, but not β-glucuronidase. The IC50 and Ki values revealed that the thioglycoside - based 1,2,4-triazole N3 possesses a high inhibitory action. In addition, the in vitro studies demonstrated that the whole tested 1,2,4-triazole are potent inhibitors with a Ki magnitude of 10-6 and exhibited a competitive type inhibition. On the other hand, the thioglycosides - based imidazole ring showed an antioxidant activity and exerted a slight in vivo stimulation of α-glucosidase and β- glucuronidase. Molecular docking proved that the compounds exhibited binding affinity with the active sites of α -glucosidase and β-glucuronidase (docking score ranged from -2.320 to -4.370 kcal/mol). Furthermore, QSAR study revealed that the HBD and RB were found to have an overall significant correlation with the toxicity. Conclusion: These data suggest that the inhibition of α-glucosidase is accompanied by an oxidative stress action.

Biological Activities of Carlina Oxide Isolated from the Roots of Carthamus caeruleus

2020 ◽  
Vol 10 (2) ◽  
pp. 145-152 ◽  
Author(s):  
Imane Rihab Mami ◽  
Rania Belabbes ◽  
Mohammed El Amine Dib ◽  
Boufeldja Tabti ◽  
Jean Costa ◽  
...  
Keyword(s):  
Antifungal Activity ◽  
Essential Oil ◽  
Skin Diseases ◽  
Antioxidant Activities ◽  
Biological Activities ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Penicillium Expansum ◽  
Natural Food ◽  
Antioxidant Power

Background: Carthamus caeruleus belongs to the Asteraceae family. The roots are traditionally used as healing agents. They help to heal burns and treat skin diseases. They are also used against joint inflammation and are very effective against diseases such as irritable bowel syndrome for cancer patients. Objectives: The purpose of this work was i) to study the chemical composition of i) the essential oil and hydrosol extract of Carthamus caeruleus, ii) to isolate the major component of both extracts and iii) to evaluate their antioxidant, antifungal and insecticidal activities. Methods: The essential oil and hydrosol extract obtained from the roots were studied by GC and GC/MS. The antioxidant activities were performed using two different methods i) Radical scavenging activity (DPPH) and ii) the Ferric-Reducing Antioxidant Power (FRAP), using BHT as a positive control. Whereas, the antifungal activity of the essential oil and Carlina oxide was investigated against plant fungi. The fumigation toxicity of C. caeruleus essential oil besides Carlina oxide was evaluated against adults of Bactrocera oleae better known as the olive fly. Results: The essential oil and hydrosol extract were mainly represented by acetylenic compounds such as carline oxide and 13-methoxy carline oxide. Carlina oxide was isolated and identified by 1H and 13C NMR spectroscopic means. The results showed that Carlina oxide presented interesting antioxidant and antifungal properties, while C. caeruleus root essential oil had better insecticidal activity. Furthermore, Carlina oxide has demonstrated promising in vivo antifungal activity to control infection of apples by Penicillium expansum. Conclusion: Carlina oxide can be used as a natural food preservative and alternative to chemical fungicides to protect stored apple against Penicillium expansum.

scholarly journals Phytochemistry and Biological Activities of Iris Species Growing in Iraqi Kurdistan and Phenolic Constituents of the Traditional Plant Iris postii

Molecules ◽  
2021 ◽  
Vol 26 (2) ◽  
pp. 264
Author(s):  
Hawraz Ibrahim M. Amin ◽  
Faiq H. S. Hussain ◽  
Soran K. Najmaldin ◽  
Zaw Min Thu ◽  
Mohammed Farhad Ibrahim ◽  
...  
Keyword(s):  
Antioxidant Activities ◽  
Biological Activities ◽  
Radical Scavenging ◽  
Chromatographic Separations ◽  
Traditional Use ◽  
Methanolic Extracts ◽  
Aerial Parts ◽  
Traditional Remedies ◽  
Phenolic Constituents ◽  
Total Antioxidant

A dozen Iris species (Iridaceae) are considered traditional remedies in Kurdistan, especially for treating inflammations. Phytochemical studies are still scarce. The information reported in the literature about Iris species growing in Kurdistan has been summarized in the first part of this paper, although, except for Iris persica, investigations have been performed on vegetal samples collected in countries different from Kurdistan. In the second part of the work, we have investigated, for the first time, the contents of the methanolic extracts of Iris postii aerial parts and rhizomes that were collected in Kurdistan. Both extracts exhibited a significant dose-dependent free radical scavenging and total antioxidant activities, comparable to those of ascorbic acid. Medium-pressure liquid chromatographic separations of the two extracts afforded l-tryptophan, androsin, isovitexin, swertisin, and 2″-O-α-l-rhamnopyranosyl swertisin from the aerial parts, whereas ε-viniferin, trans-resveratrol 3,4′-O-di-β-d-glucopyranoside, and isotectorigenin were isolated from the rhizomes. This is the first finding of the last three metabolites from an Iris species. The various remarkable biological activities of isolated compounds scientifically sustain the traditional use of I. postii as a medicinal plant.

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