Chemical Composition, Antioxidant, and Anti-inflammatory Activities of Whole Parts of Onobrychis crista-galli (L.) Lam

2020 ◽  
Vol 10 (5) ◽  
pp. 642-654
Author(s):  
Wassila Benchadi ◽  
Hamada Haba ◽  
Emerson Ferreira Queiroz ◽  
Laurence Marcourt ◽  
Jean-Luc Wolfender ◽  
...  

Objective: The aim of the present study is to examine the phytochemical components and the biological activities of the whole parts of Onobrychis crista-galli (L.) Lam. growing in Algeria. Methods: The structures of the isolated compounds 1-15 were elucidated using different spectroscopic methods and by comparison with literature data. The biological evaluation of the plant was determined by the in vitro antioxidant and anti-inflammatory activities. The antioxidant activity of various extracts (petroleum ether, ethyl acetate, and n-butanol) and some isolated flavonoids was assessed by using five different test systems, namely, 1,1-diphenyl-2-picryl-hydrazil (DPPH), 2,2’- azinobis (3-ethylbenzothiazoline-6-sulfonic acid (ABTS), cupric reducing antioxidant capacity (CUPRAC), superoxide alkaline DMSO, and β-carotene/linoleic acid tests. In addition, the total phenolic and flavonoid contents of the extracts were determined as gallic acid and quercetin equivalents, respectively. In vitro anti-inflammatory activity by protein denaturation was measured for all extracts. Results: Phytochemical investigation of the ethyl acetate and n-butanol extracts of Onobrychis crista- galli led to the isolation for the first time of fifteen known compounds. The present study reports for the first time the isolation and identification of fifteen known compounds from this species. The ethyl acetate extract had rich phenolic content indicating (31.09 ± 0.40 mg gallic acid equivalents/g of fresh weight), while n-butanol extract displayed a high content in flavonoid compounds (60.70±0.7 mg quercetin equivalents/ g of fresh weight). This investigation indicated that the ethyl acetate extract of O. crista-galli showed the highest antioxidant activity (IC50= 17.13±0.51 μg/mL, DPPH), (IC50= 82.99±2.50 μg/mL, ABTS), and (A0.50= 94.67±0.41 μg/mL, CUPRAC), (IC50= 97.09±2.20 μg/mL, DMSO), (IC50: 36.73±1.17 μg/mL, β-carotene/linoleic acid). Furthermore, the compound luteolin 5-methyl ether (14) exhibited a good antioxidant activity in DPPH (IC50= 06.05 ± 0.15 μg /mL) and CUPRAC (A0.5= 12.57 ± 0.34 μg /mL) assays. Moreover, the ethyl acetate and nbutanol extracts of O. crista-galli evidenced a good to moderate in vitro anti-inflammatory activity. Conclusion: The extracts of the whole plant of O. crista-galli (L.) Lam. showed potent antioxidant and anti-inflammatory activities.

2014 ◽  
Vol 955-959 ◽  
pp. 387-389 ◽  
Author(s):  
Bao Qing Wang

Antioxidant activities of acetone and ethyl acetate extracts from Metaplexis japonica Makino, one of famous medicine plants in the eastnorth region of China, named luomo in Chinese, were examined by a DPPH (1,1-Diphenyl-2-picrylhydrazyl) radical-scavenging assay and a β-carotene-linoleic acid test. In DPPH, the antioxidant activity of the acetone extracts, ethyl acetate extracts and derivative were IC50 were 313.21, 266.92 and 118.78μg/mL, respectively. In the β-carotene-linoleic acid test, IC50 were 285.09, 351.57 and 123.89μg/mL. It was concluded that Metaplexis japonica Makino and its derivatives might be a potential natural source of antioxidants .


2020 ◽  
Vol 10 (2) ◽  
pp. 69-75
Author(s):  
Mounira Merghem ◽  
Saliha Dahamna

The aim of this study is to evaluate in vitro antioxidant activities of Ruta montana L.  extracts. This activity was evaluated by three methods : DPPH (2, 2'-diphenyl- 1- picrylhydrazy), bleaching of β-carotene and chelation of ferrous iron. Results showed that ethyl acetate extract (EAE) represents the highest amount of total polyphenols, tannins and flavonoids with 257,1 ± 0,703µg gallic acid equivalent/mg of extract,  251 ± 1.41 µg tannic acid equivalent /mg of extract,117,4 ± 3,451 µg quercetin equivalents/mg of extract, 139,5 ± 4,107 µg rutin equivalents/mg of extract, respectively. In the DPPH assay, ethyl acetate extract showed the higher scavenging capacity (IC50 = 0.044 ± 0.001 mg/ml) followed by methanol, aqueous and chloroform extract. Whereas, AqE showed the best chelating effect and the best inhibitory capacity of the coupled oxidation of linoleic acid/ β-carotene. Keywords: Ruta montana L; polyphenols; antioxidant activity; free radical scavenging.


Author(s):  
Vinodhini Velu ◽  
Swagata Banerjee ◽  
Vidya Rajendran ◽  
Gaurav Gupta ◽  
Dinesh Kumar Chellappan ◽  
...  

Aims: The present investigation was aimed at exploring the phytoconstituents using Gas Chromatography Mass Spectroscopy and to evaluate antioxidant and anti-inflammatory properties of the leaf extracts. Materials and Methods: The extracts were obtained sequentially with petroleum ether, ethyl acetate and water using soxhlet apparatus. The anti-inflammatory property of the identified compounds using GC- MS spectroscopy was evaluated in silico. The antioxidant activity was performed by DPPH and H2O2 method whereas anti-inflammatory study was carried out by HRBC membrane stabilization method. Terpenoids were found to be major constituents in petroleum ether extract while, phenols and flavonoids were predominantly found in ethyl acetate extract. Results and Discussion: The GC-MS analysis of the extract revealed six major molecules including Squalene, 19β, 28- epoxyleanan-3-ol and 2-tu-Butyl-5-chloromethyl-3-methyl-4-oxoimidazolidine-1-carboxylic acid. The ethyl acetate extract showed a significant antioxidant activity (P<0.01) in both DPPH method (70.87 %) and H2O2 method (73.58%) at 200 µg mL-1 . Increased membrane stabilization of petroleum ether extract was observed in the in vitro anti-inflammatory activity study. A strong relationship between the terpenoid content and anti-inflammatory activity was obtained from the correlation (0.971) and docking study. Conclusion: These results justify T. involucrata to be a rich source of terpenoids with potent antiinflammatory property.


2021 ◽  
Vol 16 (10) ◽  
pp. 1934578X2110559
Author(s):  
Le Minh Ha ◽  
Ngo Thi Phuong ◽  
Nguyen Thi Thu Hien ◽  
Pham Thi Tam ◽  
Do Thi Thao ◽  
...  

In this study, we aimed at evaluating in vitro and in vivo anti-inflammatory activity of various extracts of the rhizomes of Globba pendula Roxb. Three extracts ( n-hexane, ethyl acetate, and water) were screened for their inhibitory effect on NO production by lipopolysaccharide-stimulated RAW 264.7 macrophages. The ethyl acetate extract of G. pendula rhizomes (EGP) showed a potential effect with an IC50 value of 32.45 µg/mL. For in vivo study, the ethyl acetate extract was further investigated for its anti-inflammatory effect using collagen antibody-induced arthritic mice (CAIA). The level of arthritis in experimental mice significantly reduced ( P < .05) after treatment with EGP at a dose of 500 mg/kg body weight (b.w.). This study also revealed that EGP is orally non-toxic. Ethyl p-methoxy cinamate was identified as the main constituent of EGP, which may result in its anti-inflammatory effect.


Author(s):  
Kamalika Mazumder ◽  
Himangshu S Maji ◽  
Nripendra N Bala

Objective: Ficus benghalensis Linn. (Moraceae family) is commonly known as banyan tree in English, which is used traditionally in India. The literature survey showed that the aerial roots of this plant are yet to be explored. Our main interest is to evaluate its pharmacognostic and phytochemical character by the standard monograph and to explore its in vitro antioxidant and in vivo analgesic activity study with ethyl acetate extract.Methods: Pharmacognostic evaluation and phytochemical screening have been done using standard monograph. An in vitro antioxidant activity using ethyl acetate extract has been done using four different methods. In vivo analgesic activity of the ethyl acetate extract has been evaluated by acetic acid-induced writhing test in mice and tail flick method.Results: Aerial roots of F. benghalensis have been found the rich source of steroidal glycosides, cardiac glycosides, flavonoids, tri-terpenoids, and phenols. The presence of phellem, phellogen, xylem, and phloem has been found after microscopic investigation. All the pharmacognostic parameters proved its purity. Results showed the absence of heavy metals. The ethyl acetate extract has shown potent antioxidant activity at 100 μg/ml concentration and higher analgesic activity at the concentration of 400 mg/kg than 200 mg/kg.Conclusion: Pharmacognostic characteristics and phytochemical properties revealed in this study could be used for the pharmacopoeial standard. Ethyl acetate extract showed potent antioxidant and analgesic activity.


2016 ◽  
Vol 11 (1) ◽  
pp. 148 ◽  
Author(s):  
Elizabeth George ◽  
Muniyandi Kasipandi ◽  
Mudili Vekataramana ◽  
Kalagatur Naveen Kumar ◽  
Joseph Anthuvan Allen ◽  
...  

<p class="Abstract">In the present study, the anti-oxidant and cytotoxic effects of the different solvent extracts of <em>Pogostemon mollis</em> were analysed. The phenolic, tannin and flavonoid contents were highest in the ethyl acetate extract and analogous to the antioxidant activity results. The extracts showed activities similar to the standard antioxidants. The extent to which the extracts protect free radical damage on DNA was evaluated and showed good genoprotective effects. Bacterial cells and fungal spores and hyphae showed visible damages due to the treatment of ethyl acetate extract. Finally in the cytotoxic analysis, IC<sub>50</sub> value was calculated based on the absorbance value of different concentrations. It concluded that <em>P. mollis</em> is a prospective candidate for the various therapeutic applications especially its ethyl acetate extract.</p><p> </p>


2021 ◽  
Author(s):  
Sibonokuhle F. Ncube ◽  
Lyndy J. McGaw ◽  
Emmanuel Mfotie Njoya ◽  
Hilton G.T. Ndagurwa ◽  
Peter J. Mundy ◽  
...  

Abstract Background This study evaluated the in vitro antioxidant activity and comparison of anti-inflammatory and cytotoxic activity of Harpagopytum zeyheri with diclofenac. Methods In vitro assays were conducted using water, ethanol and ethyl acetate extracts of H.zeyheri. The antioxidant activity was evaluated using the 2,2'-diphenyl-1-picrylhydrazy (DPPH) and 2,2'- azino-bis (3-ethylbenzothiazoline-6-sulphonic acid) (ABTS)assays. The anti-inflammatory activity was determined by measuring the inhibition of nitric oxide (NO) on lipopolysaccharide (LPS)-induced RAW 264.7 mouse macrophages as well as cytokine (TNF-α and IL-10) expression on LPS-induced U937 human macrophages. For cytotoxicity, cell viability was determined using the 3-(4, 5-dimethylthiazol- 2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay. Results The ethyl acetate extract had the lowest IC50 values in the DPPH (5.91µg/ml) and ABTS (20.5µg/ml) assay compared to other extracts. Furthermore, the ethyl acetate extracts effectively inhibited NO and TNF-α and proved to be comparable to diclofenac at some concentrations. All extracts of H. zeyheri displayed dose dependent activity and were associated with low levels of human-IL-10 expression compared to quercetin. Furthermore, all extracts displayed low toxicity relative to diclofenac. Conclusions These findings show that H. zeyheri has significant antioxidant activity. Additionally, similarities exist in inflammatory activity of H. zeyheri to diclofenac at some concentrations as well as low toxicity in comparison to diclofenac.


Author(s):  
ANOOPA JOHN L ◽  
KANNAPPAN N ◽  
MANOJKUMAR P

Objective: The present study was aimed to rationalize the scientific basis in traditional use of Eranthemum capense as an antibacterial, antifungal, and anti-inflammatory agent. Methods: Agar well diffusion method is widely used to evaluate the antimicrobial activity of the E. capense aerial part of methanolic and ethyl acetate plant extracts. The same amount (15–20 mL) of Mueller-Hinton agar was poured on glass Petri plates of same size and allowed to solidify. E. capense aerial part of methanolic and ethyl acetate extracts was evaluated in vitro for their anti-inflammatory activities using the bovine serum albumin protein denaturation assay. Results: The result of the study shows that methanolic exract (T3) of the plant, E. capense shows 16 mm zone of inhibition against Pseudomonas fluorescens, while the ethyl acetate extract of the same plant shows 14 mm zone of inhibition against P. fluorescens and E. coli. Hence the methanolic extract of T3 sample shows the antibacterial activity against gram negative bacteria, where as the ethyl acetate extract of T3 shows antibacterial activity against both gram positive and gram negative bacteria. The experimental report revealed that, the methanolic and ethyl acetate extract of the same plant produces zero percentage zone of inhibition against Aspergillus niger and Mucor, hence it does not show any antifungal activity. Conclusion: It is observed that the EA and methanolic extract of E. capense can be used in the treatment of inflammation due to the significant percentage of inhibition of protein denaturation as well as its prove the good antimicrobial agent.


2017 ◽  
Vol 15 (1) ◽  
pp. 82-91
Author(s):  
Daniela Batista ◽  
Pedro L. Falé ◽  
Maria L. Serralheiro ◽  
Maria-Eduarda Araújo ◽  
Catarina Dias ◽  
...  

AbstractPlants belonging to the genus Salvia (Lamiaceae) are known to have a wide range of biological properties. In this work, extracts obtained from the aerial parts of Salvia sclareoides Brot. were evaluated to investigate their chemical composition, toxicity, bioactivity, and stability under in vitro gastrointestinal conditions. The composition of the supercritical fluid extract was determined by GC and GC-MS, while the identification of the infusion constituents was performed by HPLC-DAD and LC-MS. The in vitro cytotoxicity of both extracts (0-2 mg/mL) was evaluated in Caco-2 cell lines by the MTT assay. The anti-inflammatory and anticholinesterase activities were determined through the inhibition of cyclooxygenase-1 and acetylcholinesterase enzymes, while β-carotene/linoleic acid bleaching test and the DPPH assays were used to evaluate the antioxidant activity. The infusion inhibited cyclooxygenase-1 (IC50 = 271.0 μg/mL), and acetylcholinesterase (IC50 = 487.7 μg/ mL) enzymes, also demonstrated significant antioxidant properties, as evaluated by the DPPH (IC50 = 10.4 μg/mL) and β-carotene/linoleic acid (IC50 = 30.0 μg/mL) assays. No remarkable alterations in the composition or in the bioactivities of the infusion were observed after in vitro digestion, which supports the potential of S. sclareoides as a source of bioactive ingredients with neuroprotective, anti-inflammatory and antioxidant properties.


2019 ◽  
Vol 20 (11) ◽  
pp. 964-984 ◽  
Author(s):  
Asmaa Nabil-Adam ◽  
Mohamed A. Shreadah ◽  
Nehad M. Abd El Moneam ◽  
Samy A. El-assar

Background: The study was conducted to identify the bacterial strain associated with marine sponge Hyrtiosaff. erectus collected from the Red Sea coastal water and to assess the utilization of their secondary metabolites for human benefit as antioxidant, anti-Alzheimer, anti-viral, anticancer and anti-inflammatory agent. Methods: After biochemical identification of Pesudomance sp. bacterial strain, the total polyphenol contents, cytotoxic, antioxidant, anti-Alzheimer, anti-viral, anticancer and anti-inflammatory activity of the Pesudomance sp. ethyl acetate extract were investigated by applying different biochemical assays. Polyphenol contents were investigated using spectrophotometric techniques. Antioxidant activity was determined by 1,1-diphenyl-2-picrylhydrazyl radical (DPPH), and 2,2/-azino-bis (3-ethylbenzothiazoline-6-sulphonic acid) ABTS radical scavenging activity assays. The cytotoxic effects were investigated by using the human cancerous cell lines. Results: The anti-Alzheimer, anti-viral, anticancer and anti-inflammatory activities were determined using ELISA. Qualitative phytochemical analysis of the Pesudomance sp. extract demonstrated the presence of a large and diverse group of substances such as alkaloids, carbohydrates, flavonoids, phenols, terpenoids, saponins, and tannins. The strong antioxidant activity of the Pesudomance sp. extract was mainly attributed to the protective role of polyphenols against reactive oxygen. It was also observed that Pesudomance sp. extract possessed significant anti-Alzheimer activity with 94% at 1 mg. The extract showed also high antiviral activity (90%) using reverse transcriptase enzymes inhibition assay. The examination of the anticancer activity by applying two experimental models, i.e., PTK and SHKI cleared out high significant percentages of 76.19 and 83.09 %; respectively. Conclusion: The anti-inflammatory profiling using TNF, COX1, COX2, IL6 also revealed high antiinflammatory activity with different metabolic pathway of 62.70, 75.444, 79.27 and 54.15 %; respectively. The present study concluded that ethyl acetate extract of Pesudomance sp. possessed strong antioxidant, anti-Alzheimer, and anti-viral, anticancer and anti-inflammatory activities. Further studies are required to purify the bioactive compounds.


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