scholarly journals ASSESSMENT OF PHYTOCHEMICALS AND IN VITRO ANTIOXIDANT, ANTI-INFLAMMATORY ACTIVITY OF SARCOSTEMMA BRUNONIANUM WIGHT AND ARN

Author(s):  
AMALA DIVYA S. ◽  
THAMARAIKANI V. ◽  
SEKAR T.

Objective: Sarcostemma brunonianum Wight and Arn is a potential medicinal plant belonging to Asclepiadaceae. Bioactive constituents of the plant support the application of treating various ailments in the traditional system of medicine. The study aims to determine the presence of various phytoconstituents in stem, root, and flowers. Methods: Hot percolation method was carried out to obtain crude extracts using different solvent systems from low polar-high polar solvents ranging from petroleum ether, chloroform, (mid-polar) ethyl acetate, methanol and water. Estimation of total phenols, tannins and In vitro antioxidant, anti-inflammatory activities were evaluated for the determination of potential pharmaceutical drugs. Results: The results revealed the presence of some phytoconstituents such as phenols, tannins, glycosides, gums and mucilages. Ascorbic acid, BSA, Rutin and Gallic acid were used as the reference standard. The total phenolic content was found to be high in stem methanol extract 440.84±69.99 mg/g Gallic acid equivalent, whereas the tannin content was 291.78±4.68 mg/g GAE. The result proves that the S. brunonianum stem methanol extract possesses antioxidant and anti-inflammatory activities when compared to reference standards. In vitro, Nitric oxide scavenging activity of stem showed a maximum % of inhibition in methanol stem extract (24.39µg/ml) and anti-inflammatory activity maximum inhibition was found to be (55.56 %) in stem methanol and flower(53.62 %). The IC50 (concentration required for 50% inhibition) was also calculated for the DPPH radical model. Conclusion: This study results proclaims and justifies the role of folklore medicinal plant S. brunonianum in the treatment of inflammatory-related ailments and can be recommended for an effective drug.

Author(s):  
Venkanna Banothu ◽  
Uma Adepally ◽  
Jayalakshmi Lingam

Objective: To estimate the in vitro total phenolics, flavonoids contents, antioxidant and antimicrobial activities of various solvent extracts from the medicinal plant Physalis minima Linn.Methods: The crude bioactive were extracted from the dried powder of Physalis minima using methanol, ethyl acetate, chloroform and hexane solvents. Total phenolic content (TPC) and total flavonoid content (TFC) were estimated using Folin-Ciocalteu and aluminium chloride colorimetric methods respectively. 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2’-azino-bis-(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) and ferric reducing antioxidant power (FRAP) assays were used to determine the in vitro antioxidant capacity. The antimicrobial assay was done through agar well diffusion; minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were determined using broth microdilution methods against the Gram-negative bacteria (Klebsiella pneumoniae, Escherichia coli, Pseudomonas aeruginosa, Proteus vulgaris) and Gram-positive bacteria (Staphylococcus aureus).Results: TPC expressed as gallic acid equivalents (GAE) ranged from 60.27±1.73-151.25±2.50 mg GAE/g dry weight, and TFC expressed as quercetin equivalents (QE) ranged from 56.66±0.80-158.84±2.30 mg QE/g dry weight. Methanol extract showed the highest antioxidant activity followed by ethyl acetate, chloroform, hexane extract and the IC50 values of methanol extract for scavenging DPPH and ABTS free radicals were 280.23±5.75-173.40±0.38µg/ml, respectively. All the extracts have shown potent antimicrobial activity for the zone of inhibition ranged from 9-35 mm; MICs and MBCs values ranged from 0.125-4.0 and 0.25-8.0 mg/ml, respectively towards tested pathogenic species.Conclusion: The comprehensive analysis of the present results demonstrated that Physalis minima possess high potential antioxidant properties which could be used as a viable source of natural antioxidants in treating infections caused by above-mentioned pathogens.


2013 ◽  
Vol 2013 ◽  
pp. 1-4 ◽  
Author(s):  
Cuauhtemoc Pérez González ◽  
Roberto Serrano Vega ◽  
Marco González-Chávez ◽  
Miguel Angel Zavala Sánchez ◽  
Salud Pérez Gutiérrez

We investigated the anti-inflammatory activity ofSenecio salignus. This medicinal plant is often used in Mexico for the treatment of fever and rheumatism. Chloroform and methanol extracts of the plant were tested on 12-O-tetradecanoylphorbol-13-acetate- (TPA-) induced edema in mice ears. The methanol extract of the plant inhibited edema by36±4.4% compared with the control, while the chloroform extract exhibited an even greater level of inhibition (64.1%). The chloroform extract was then fractionated, and the composition of the active fraction was determined by GC-MS. The anti-inflammatory activity of this fraction was then tested on TPA-induced ear edema in mice, and we found that the active fraction could inhibit edema by 46.9%. The anti-inflammatory effect of the fraction was also tested on carrageenan-induced paw edema in rats at doses of 100 mg/kg; a58.9±2.8% reduction of the edema was observed 4 h after administration of carrageenan, and the effect was maintained for 5 h.


Author(s):  
RAJESH A ◽  
DOSS A ◽  
TRESINA PS ◽  
MOHAN VR

Objective: The objective of this study was to determine the anti-inflammatory activity of methanol extract of Niebuhria apetala and its possible mechanism of action. Methods: Methanol extract of Niebuhria apetala leaf (NAL) was assessed for its anti-inflammatory activity by in vitro methods. Using albumin denaturation assay, proteinase inhibitory activity, membrane stabilization, and antilipoxygenase activity at different concentrations, in vitro anti-inflammatory activity was estimated. The standard drug used for this purpose was aspirin. Results: Methanol extract NAL at a concentration range of 100–500 μg/ml significant (p<0.01) protects the heat-induced protein denaturation. At the concentration of 500 mg/ml, NAL showed significant (p<0.01) inhibition of protease inhibitory action. Heat-induced hemolysis of erythrocyte, hypotonicity-induced hemolysis, and lipooxygenase activity were significant (p<0.01) inhibited at the concentration of 500 μg/ml. Conclusion: Finally, the present study indicates that methanol extract of Niebuhria apetala can be a potential source of anti-inflammatory agent.


Author(s):  
E.N. Kurmanova ◽  
E.V. Ferubko ◽  
L.B. Strelkova ◽  
R.K. Kurmanov ◽  
O.P. Sheichenko

Змееголовник молдавский (Dracocephalum moldavica L.) в народной медицине используется в качестве противовоспалительного, ранозаживляющего, отхаркивающего и седативного средства. В ФГБНУ ВИЛАР разработан змееголовника молдавского травы экстракт сухой под условным названием «Люкатил» (сумма фенольных соединений 64,12% в пересчёте на цинарозид). Цель работы - изучение острой токсичности и противовоспалительной активности экстракта змееголовника для разработки на его основе лекарственного препарата. Методика. Проведено определение параметров острой токсичности и противовоспалительной активности экстракта. При изучении острой токсичности экстракта по методу Кербера использованы белые нелинейные мыши-самцы в количестве 30 особей. «Люкатил» вводили животным внутрижелудочно в дозах 500, 1000, 1500 и 2000 мг/кг. Для выявления противовоспалительной активности экстракта змееголовника молдавского использована in vitro ферментная биотест-система на основе индуцибельной NO-синтазы. Для выявления противовоспалительной активности экстракта in vivo использованы нелинейные мыши-самцы. Оценку влияния экстракта в дозе 200 мг/кг на экссудативную стадию воспаления проводили на модели 1% формалинового отёка. В качества препарата сравнения использовали индометацин (5 мг/кг). Формалиновый отёк вызывали однократным субплантарным введением под апоневроз задней правой лапки мыши 0,05 мл 1% формалина в качестве флогогенного агента. Величину отёка определяли по разнице в массе лапок контрольных и опытных животных и рассчитывали процент снижения степени отёка. Результаты. При однократном введении экстракт «Люкатил» не приводил к гибели животных, изменения внешнего вида и поведенческих реакций мышей не наблюдалось. В соответствии с классификацией токсичности химических веществ по ГОСТ 12.1.007-76 «Люкатил» является малотоксичным веществом. In vitro установлена высокая противовоспалительная активность экстракта, при этом остаточная активность iNOS снижалась до 25%. Экстракт в дозе 200 мг/кг in vivo обладал статистически значимым противовоспалительным эффектом. Он подавлял развитие экссудативной фазы воспаления на 33,7%, по сравнению с контрольной группой животных, уступая противовоспалительному эффекту индометацина. Заключение. Змееголовника молдавского травы экстракт сухой под условным названием «Люкатил» является малотоксичным веществом, обладает выраженным противовоспалительным эффектом в опытах in vitro, in vivo и является перспективным объектом для дальнейшего фармакологического изучения в качестве противовоспалительного лекарственного средства.Moldavian dragonhead (Dracocephalum moldavica L.) is used in traditional medicine as an anti-inflammatory, wound-healing, expectorant, and sedative means. In our Institute, a Moldavian dragonhead herb dry extract (total phenolic content, 64.12% in cynaroside equivalent) was developed and conventionally named Lyukatil. Objective. To study acute toxicity and anti-inflammatory activity of the dragonhead extract for developing a drug based on this extract. Method. Parameters of acute toxicity and anti-inflammatory activity of the extract were assessed. The study of acute toxicity of the extract was performed using the Kerber method on male white mongrel mice (n=30). Lyukatil was administered to the animals intragastrically at doses of 500 mg/kg, 1000 mg/kg, 1500 mg/kg, and 2000 mg/kg. Anti-inflammatory activity of the Moldavian dragonhead extract was determined in vitro using an enzyme Biotest system based on inducible NO synthase. Mongrel male mice were used to study the anti-inflammatory activity of the extract in vivo. The effect of the extract at a dose of 200 mg/kg on the exudative phase of inflammation was evaluated on a model of 1% formalin-induced edema. Indomethacin 5 mg/kg was used as a reference drug. Formalin edema was induced by a single subplantar injection of 0.05 ml of 1% formalin as a phlogogenic agent under the aponeurosis of the right hind leg. The degree of edema was determined by the difference in leg weights in control and experimental animals; then the decrease in edema was calculated in per cent. Results. A single administration of the extract Lyukatil did not cause death of animals, changes in the appearance or in behavioral responses, shortness of breath, or drowsiness. In accordance with the toxicity classification for chemical substances as per GOST Standard 12.1.007-76, Lyukatil is a low-toxic substance. The extract at a dose of 200 mg/kg exerted a significant anti-inflammatory effect as shown by suppression of the exudative phase of formalin-induced inflammation by 33.7% compared to the control group. However, this effect was inferior to the anti-inflammatory effect of indomethacin. Conclusions. The Moldavian dragonhead herb dry extract under the conventional name of Lyukatil is a low-toxic substance that has a significant anti-inflammatory effect both in vitro and in vivo and is a promising target for further pharmacological studies as an anti-inflammatory drug.


Bionatura ◽  
2020 ◽  
Vol 5 (4) ◽  
pp. 1387-1393
Author(s):  
Irina Francesca González Mera ◽  
Orestes Darío López Hernández ◽  
Vivian Morera Córdova

Epidendrum coryophorum belongs to the Orchidaceae family. Traditional uses of some species for this genus include infusions of the leaves used for kidney problems, treat influenza, conjunctivitis, liver pain, relieve kidney symptoms, and hypoglycemic effect. This work's objective was to determine the phytochemical profile of the ethanolic extract of Epidendrum coryophorum leaves and to evaluate the potential anti-inflammatory activity in vitro of the extract employing the erythrocyte membrane stabilization method. The phytochemical screening carried out in this work suggested phenols, coumarins, flavonoids, tannins, steroids, and sterols in the ethanolic extract of Epidendrum coryophorum leaves. Cardiotonic glycosides and carbohydrates were also found. The ethanolic extract's UV-Vis spectrum showed absorption maxima at 268 nm and 332 nm, which could correspond to flavonoids of the flavonoid classes, 3-OH substituted flavonols, or isoflavones. The quantitative determination of total phenols of the ethanolic extract was carried out using the Folin-Ciocalteu method. The total phenolic content expressed as mg Gallic acid equivalent (G.A.E.) per gram of extract was found to be 19,96 mgGAE/g of Epidendrum coryophorum. The ethanolic extract of Epidendrum coryophorum leaves showed hemolysis inhibition values ​​of 18,19% at 1,0 mg/mL, 38,98% at 1,5 mg/mL and 40,94% at 2,5 mg/mL compared with aspirin (positive control) giving values ​​of 65,33% at 1,0 mg/mL, 72,26% at 1,5 mg/mL and 73,75% at 2,5 mg/mL. The values ​​obtained for inhibition of hemolysis with ethanolic extract, compared with the values ​​obtained with a pure anti-inflammatory, are significant and demonstrate anti-inflammatory activity in Epidendrum coryophorum. Keywords: Epidendrum coryophorum, total phenolic content, microencapsulation, anti-inflammatory activity


Author(s):  
Tahareen S. ◽  
Shwetha R. ◽  
Myrene R. D.

<p><strong>Objective: </strong>To evaluate the potential antioxidant, anti-inflammatory and antibacterial activities of aqueous and methanolic extracts of leaves of <em>Leucas aspera</em> (Thumbae).</p><p><strong>Methods: </strong>Phytochemical screening of the leaves of <em>L. aspera</em> was followed by analysis of antioxidant activity by means of DPPH (2, 2-diphenyl-1-picrylhydrazyl) radical scavenging activity. <em>In vitro</em> anti‐inflammatory activity was evaluated using lipoxygenase inhibition, albumin denaturation assay, membrane stabilization assay and proteinase inhibitory activity at different concentrations. Aspirin was used as a standard drug for the study of anti‐inflammatory activity. Linear regression analysis was used to calculate half maximal inhibitory concentration, IC50 value. The zone of inhibition was performed against common pathogens to determine the antimicrobial activity at different concentrations of plant extracts (60%, 70%, 80%).</p><p><strong>Results: </strong>The phytochemical analysis revealed the presence of carbohydrates, amino acid, alkaloids, tannins, flavonoids, glycosides, xanthoproteins, and phenols. The total phenolic and flavonoid content was found to be 2.25±0.04 mg GAE/g (gallic acid equivalents) and 1.2±0.05 mg QE/g (Quercetin equivalents) of fresh weight tissue respectively. The IC50 values for hydrogen peroxide scavenging activity were found to be 244.6 µg/ml. The extract inhibited the lipoxygenase enzyme activity with an IC50 value of 356.3 µg/ml. Maximum inhibition of heat-induced protein denaturation of 69% was observed at 400 μg/ml, IC50 249.6 μg/ml. Proteinase activity was also significantly inhibited (IC50 = 421.6 μg/ml). Membrane stabilization assay attributed minor protection by the leaf extract with an IC50 of 206.7. It was observed that <em>E. coli</em> were inhibited at all concentrations, followed by <em>Klebsiella</em> and <em>Pseudomonas</em>.</p><p><strong>Conclusion: </strong>Results indicate that L. aspera possess anti-inflammatory properties due to the strong occurrence of polyphenolic compounds such as alkaloids, flavonoids, tannins and steroids that serve as free radical inhibitors or scavenger. Compounds of the plant L. aspera may hence be used as lead compounds for designing potent anti-inflammatory drug which can be used for treatment of various diseases.</p><p> </p>


2020 ◽  
Vol 4 (Supplement_2) ◽  
pp. 421-421
Author(s):  
Joshua Lambert ◽  
Talia Seymore ◽  
Qiaoqiao Dai ◽  
Gregory Ziegler

Abstract Objectives Cocoa beans undergo fermentation, roasting, and possibly alkalization prior to consumption. Cocoa and chocolate have been shown to exert anti-inflammatory effects. Previous studies have shown that roasting and alkalization can adversely affect the total phenolic content (TPC) of cocoa, but the effect of these steps on bioactivity has not been well-studied. Our objective was to prepare cocoa powders using different roasting and alkalization protocols and measure their chemical composition and in vitro anti-inflammatory activity. Methods Cocoa beans were roasted (110–150°C) and alkali-treated (0 – 120 min) using a 22 + center point study design. Cocoa nibs were defatted and extracted with 70% aqueous acetone. The extract was dried prior to analysis. TPC was determined using the Folin-Ciocalteu method. Select polyphenols were quantified by liquid chromatography. In vitro anti-inflammatory activity was assessed as inhibition of phospholipase A2 (PLA2) and inhibition of interleukin 8 (IL8) production by tumor necrosis factor a-stimulated HT-29 human colon cells. Results Roasting and alkalization led to decreased TPC, but alkalization had a greater effect. Cocoa beans roasted at 130°C and alkalized for 120 min had 44% lower TPC than those roasted that same way but without alkalization. In the absence of alkalization, beans roasted at 150°C had only a 13% lower TPC than beans roasted at 110°C. Roasting and alkalization also influenced the levels of individual polyphenols, but the effects varied based on the analyte of interest. Roasting tended to enhance the PLA2, inhibitory potency of the cocoa whereas alkalization reduced inhibitory potency. Cocoa that had been roasted at 150°C but not alkalized had the lowest IC50 (14 mg/mL) whereas cocoa that had been roasted at 150°C and alkalized for 120 min had the highest (&gt;100 mg/mL). Similar results were observed for inhibition of IL8 production. Conclusions Roasting and alkalization are important for achieving desired sensory characteristics in cocoa, but these processes adversely affect the levels of polyphenols in cocoa and has been considered inconsistent with maintaining bioactivity. Our results suggest that it is possible to identify processing protocols that balance the sensory characteristics of cocoa with its anti-inflammatory activity. Funding Sources This work was funded by USDA AFRI.


2021 ◽  
Vol 8 (12) ◽  
pp. 323-327
Author(s):  
Raksha Agrawal ◽  
Aditya Ganeshpurkar ◽  
Megha Verma

Gallic acid's anti-inflammatory effect was studied at various concentrations, including 50,100,150,200, and 250 ug/ml. Gallic acid's anti-inflammatory effect was assessed using two in-vitro assays: proteinase inhibition and albumin denaturation. The greatest proteinase inhibition activity of 52.83 percent was achieved at a concentration of 250ug/ml, according to the results. It also revealed that at 250ug/ml, the maximum percentage inhibition in albumin denaturation was 74.79 percent. Gallic acid's antiproteinase and albumin denaturation activities both increase with increasing concentrations, according to this research. Keywords: Gallic acid, Anti-Inflammatory, In-Vitro Assays, Albumin Denaturation, Proteinase activity.


Author(s):  
Cyril Ogbiko ◽  
Dickson Achimugu Musa ◽  
Musa Usman Dabai ◽  
Ibeabuchi Jude Ali ◽  
Abubakar Sani Yelwa ◽  
...  

Herbal medicine despite its increase usage globally is being plagued by inadequate research on their effectiveness. Stachytarpheta indica commonly known as snakeweed is used locally in the management of asthma, headache, alopecia, bronchitis, bruise, chest cold, constipation, itch, diarrhea, skin sore, vermifuge, dysentery, dysmenorrhea among others. This study investigated the phytochemical composition, quantitative proximate parameters and in vitro anti-inflammatory activity of the leaves of S. indica using established methods. Results confirmed the presence of alkaloids, saponins, carbohydrate, cardiac glycosides, terpenoid, tannin, anthraquinones, phenolics and flavonoid. Moisture content (9.16 ± 0.04%), total ash (19.42 ± 0.15%), water insoluble ash (7.17 ± 0.22%), acid insoluble ash (3.63 ± 0.26%), alcohol soluble extractive (0.99 ± 0.06%) and water-soluble extractive (0.36 ± 0.02%) values were obtained from the quantitative proximate analysis. An infusion of the methanol leaf extract of Stachytarpheta indica demonstrated significant anti-inflammatory activity in a dose dependent manner comparable to that of indomethacin standard.


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