scholarly journals In vitro and in vivo evaluation of pharmacological potential of Begonia barbata Wall

2020 ◽  
Vol 6 (1) ◽  
Author(s):  
Mohammad Rashedul Haque ◽  
Mirazul Islam ◽  
Md. Ruhul Kuddus

Abstract Background Begonia barbata Wall is an important medicinal plant in Bangladesh used to treat several human diseases. The intention of the existing work was to determine in vitro and in vivo pharmacological properties of petroleum-ether, dichloromethane, and ethyl acetate soluble fractions of methanol extract of B. barbata whole plant (MEBB). The total phenolic content (TPC) was determined by Folin-Ciocalteu test while antioxidant activity assay was performed by DPPH radical quenching process. Tail immersion and acetic acid-induced writhing methods were utilized to evaluate analgesic effect in albino mice. To evaluate the hypoglycemic potential, glucose tolerance test is used. Castor oil-induced diarrhea method is utilized to figure out the anti-diarrheal action in mice. Thiopental-sodium-induced sleeping time test was exploited for the appraisal of CNS antidepressant action. Results Antioxidant activities of the test materials followed the order: dichloromethane fraction (DCMF) > ethyl acetate fraction (EAF) > petroleum-ether fraction (PEF). The EAF yielded maximum amount of phenolic compounds (12.47 mg of GAE/g of sample). The DMF was most effective in terms of thrombolytic activity while the EAF protected the membrane integrity of erythrocyte by 63.47% inhibition of hemolysis induced by heat. Among all fractions, the PEF (400 mg/kg body weight) demonstrated highest analgesic activity in both tail immersion test (maximum elongations as 262.053%) and acetic acid-induced writhing method (66.02% writhing inhibition). During anti-diarrheal test, the plant samples significantly diminished the frequency of diarrheal episodes in mice. Similarly, the plant samples decreased the sleeping duration induced by thiopental sodium. Conclusion The above outcome exposed that B. barbata possesses significant pharmacological potential, which validates its use in Bangladesh folk medicinal practices.

Foods ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 315
Author(s):  
Zhenxing Wang ◽  
Zongcai Tu ◽  
Xing Xie ◽  
Hao Cui ◽  
Kin Weng Kong ◽  
...  

This study aims to evaluate the bioactive components, in vitro bioactivities, and in vivo hypoglycemic effect of P. frutescens leaf, which is a traditional medicine-food homology plant. P. frutescens methanol crude extract and its fractions (petroleum ether, chloroform, ethyl acetate, n-butanol fractions, and aqueous phase residue) were prepared by ultrasound-enzyme assisted extraction and liquid–liquid extraction. Among the samples, the ethyl acetate fraction possessed the high total phenolic (440.48 μg GAE/mg DE) and flavonoid content (455.22 μg RE/mg DE), the best antioxidant activity (the DPPH radical, ABTS radical, and superoxide anion scavenging activity, and ferric reducing antioxidant power were 1.71, 1.14, 2.40, 1.29, and 2.4 times higher than that of control Vc, respectively), the most powerful α-glucosidase inhibitory ability with the IC50 value of 190.03 μg/mL which was 2.2-folds higher than control acarbose, the strongest proliferative inhibitory ability against MCF-7 and HepG2 cell with the IC50 values of 37.92 and 13.43 μg/mL, which were considerable with control cisplatin, as well as certain inhibition abilities on acetylcholinesterase and tyrosinase. HPLC analysis showed that the luteolin, rosmarinic acid, rutin, and catechin were the dominant components of the ethyl acetate fraction. Animal experiments further demonstrated that the ethyl acetate fraction could significantly decrease the serum glucose level, food, and water intake of streptozotocin-induced diabetic SD rats, increase the body weight, modulate their serum levels of TC, TG, HDL-C, and LDL-C, improve the histopathology and glycogen accumulation in liver and intestinal tissue. Taken together, P. frutescens leaf exhibits excellent hypoglycemic activity in vitro and in vivo, and could be exploited as a source of natural antidiabetic agent.


2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Syeda Rubaiya Afrin ◽  
Mohammad Rashedul Islam ◽  
Bibi Humayra Khanam ◽  
Nawreen Monir Proma ◽  
Sayeda Saima Didari ◽  
...  

Abstract Background Macropanax dispermus is traditionally used to treat various diseases by ethnic people. The present research reports the pharmacological properties with phytochemical profiling of the crude extracts of M. dispermus leaves (MDML), its n-hexane (MDHL), carbon tetrachloride (MDTL), chloroform (MDCL), ethyl acetate (MDEL), and aqueous (MDAL) fractions, and crude methanol extracts of its stem barks (MDMS). The in vitro thrombolytic activity was done on human erythrocytes whereas the cytotoxic activity was done by brine shrimp lethality assay. The in vivo analgesic activity was examined by acetic acid-induced writhing, tail immersion, and formalin-induced paw licking method. In contrast, antipyretic activity was done by the brewer’s yeast-induced pyrexia method. Results MDHL and MDMS showed 37.05% and 42.21% of significant (p < 0.01) thrombolytic activity, respectively. MDCL and MDMS showed the lower LC50 values of 23.15 and 37.11 µg/ml during cytotoxicity test, respectively. In acetic acid writhing method, MDTL and MDEL showed significant (p < 0.001) inhibition of writhing by 79.34% and 80.17%, respectively. MDMS showed significant (p < 0.001) maximal possible effect (%MPE) of 45.95%, 62.26%, 65.79%, 89.69% and elongation of time in pain reaction of 48.53%, 60.28%, 58.76%, and 70.14% at 30, 60, 90, and 120 min intervals, respectively. MDML at 400 mg/kg exhibited significant (p < 0.001) 82.72% of inhibition of pain at the late phases. MDEL at 400 mg/kg of dose exhibited significant (p < 0.001) reduction of rectal temperature by 36.31%, 62.42%, 89.81%,, and 96.82% at 1, 2, 3, and 4 h intervals, respectively. Conclusion The current research suggests that the plant extracts possess potential thrombolytic, cytotoxic, analgesic, and antipyretic activities.


Author(s):  
K Usha S Pai ◽  
Yadav D. Bodke ◽  
M Manjunath Setty ◽  
Savaliya Mihir ◽  
Keerthi Priya ◽  
...  

Cancer is one of the major causes of death in the world today. Although chemotherapeutic regimen remains the prime treatment of cancer, it is important to explore for newer compounds due to their adverse reactions and the growing rate of resistance. Traditionally, some plants are used for the treatment of cancers in India. However, no scientific data backing the evidence exists for the same. Among such plants is Cleome viscosa Linn, which is used in the Indian system of medicine for cancer treatment. To test its anticancer activity and generate scientifically reliable data, the extraction of whole plant has been carried out using methanol and fractions were generated using petroleum ether, dichloromethane, ethyl acetate and n-butanol. The fractions were first tested in vitro for their antiproliferative activity and mechanistic studies. In this paper, we report the anticancer potential of the fractions by a preliminary cytotoxicity activity in vitro using cell lines followed by the liquid tumor (EAC) model in mice. Upon screening on a panel of cancer cell lines, the fractions of petroleum ether, dichloromethane and ethyl acetate were found to possess significant cytotoxic activity on Hela and U343 cell lines. With this evidence, we have then tested the in vivo activity on mice using the liquid tumor model in which the fractions of pet ether, dichloromethane and ethyl acetate exhibit a potential anticancer activity which is evident in characteristics like inhibition of tumor progression, increase in the mean survival time and percentage increased life span along with a decrease in tumor volume. The fractions also showed significant anti-oxidant properties.


INDIAN DRUGS ◽  
2019 ◽  
Vol 56 (09) ◽  
pp. 30-36
Author(s):  
A Shukla ◽  
A. Kaur ◽  
R. K Shukla ◽  
Anchal ◽  

To evaluate the comparability of some of the most common radical scavenging assays using 2,2′-azinobis-3-ethylbenzthiazoline-6-sulphonic acid (ABTS), 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical, Ferric reducing power assay (FRAP) & nitric oxide. leaves of traditionally important medicinal plant Ehretia acuminata, used in Chinese herbal medicine were identified & analyzed for their antioxidant capacity, total phenolic and flavonoid content & sun protective factor (SPF). In this study different organic solvents, petroleum ether 40-600 C (PE), chloroform (CH), ethyl acetate (EA), ethanol 99.9% (EOL) & water (AQ) were used for soxhlet exraction of E. acuminata leaves. Among them, ethyl acetate extract exhibited strongest antioxidant activity with IC50 between 99 to 250 μg/ml. Ascorbic acid (AA) used as a standard antioxidant exhibited IC50 25µg/ml. Petroleum ether showed weak free radical scavenging activity with IC50 value between 500 to 770 µg/ml. The ability of protection against UV-B region followed the trend EOL> EA> PE> AQ> CH extract. The result reveals that these natural antioxidant potential of E. acuminata represents a side effect-free alternative to synthetic antioxidants in the food processing industry, in sunscreen formulations and for use in preventive synthetic drugs


Author(s):  
KEWATKAR SM ◽  
PAITHANKAR VV ◽  
BHUJBAL SS ◽  
JAIN SP ◽  
NAGORE DH

Objectives: Cassia obtusifolia L. belonging to the Family Caesalpiniaceae, proposed to have abundant pharmacological potential and widely consumed as laxative, diuretic, and stomachic. The aim of the present research was to study the anti-inflammatory, analgesic, antipyretic, and antioxidant potentials of C. obtusifolia plant. Methods: Various acute and chronic animal models such as Carrageenan-induced paw edema, tail immersion method, acetic acid-induced writhing, and in vitro methods were used to study the profound pharmacological and antioxidant potentials. Results: The results for pharmacological study were statistically analyzed by one-way ANOVA followed by Dunnett’s multiple comparisons using INTA software. Conclusion: The present study reveals that C. obtusifolia possesses comparable anti-inflammatory, analgesic, antipyretic, and antioxidant potential.


2020 ◽  
Vol 32 (8) ◽  
pp. 2033-2037 ◽  
Author(s):  
Abdelfatah A. Fadlelmula ◽  
Abdulaziz Y. Al-Ghamdi ◽  
Mohamed O.M. Abdalla

In this study, the active ingredients from Coleus forskohlii were detected and evaluated their antioxidant and antimicrobial activities. Coleus forskohlii leaves were collected, air dried, powdered and extracted first with aqueous ethanol and secondly with petroleum ether, chloroform, ethyl acetate and n-butanol successively. The chemical analysis of the extracts showed the existence of (flavonoids, alkaloids, tannins, terpenoids, steroids, saponins and sugars). Furthermore, the extracts were subjected to analysis of total phenolic contents. Where the n-butanol exhibited highest TPC value (384.23±15.86 mg GAE/g), followed by ethyl acetate (199.73±29.35 mg GAE/g) then petroleum ether (96.97±61.29 mg GAE/g), ethanol (90.80±17.51 mg GAE/g), and eventually chloroform extract exhibited the lowest (TPC) value. In addition to that the antioxidant status of the different extracts of Coleus forskohlii was detected. Butanolic extract showed the highest radical scavenging (96.33±1.53 %, lowest IC50 value 0.03) followed by ethyl acetate extract (46.67±3.50 %, IC50 value 0.07). Eventually the antimicrobial activity tests were carried out for all the plant extracts. Where n-butanol showed the maximum inhibition (14±0.70 mm). All the pathogens except C. albicans exhibited moderate response towards petroleum ether extract. C. albicans was sensitive towards ethanol extract only (14.00±1.41), whereas the other Gram-positive and Gram-negative bacteria exhibited high impedance to the ethanol, chloroform, and ethyl acetate extracts. This study scientifically props the usage of whole plant as a medicine for several surface bacterial and fungal strike in folk medicine, in addition to this the plant may serve as a exporter for additional development of indigenous antioxidant and antitumor agents.


2021 ◽  
Vol 24 (2) ◽  
pp. 117-124
Author(s):  
Labony Khandokar ◽  
Sanjida Rahman Mim ◽  
Rasel Babu Rana

Ampelocissus barbata (Wall.) Planch. is a native medicinal herb in Bangladesh. The present study was aimed at exploring the phytochemical compositions and analgesic potential of the plant in vivo. The methanol extract of A. barbata along with its different fractions were subjected to phytochemical evaluation through established chemical tests for ascertaining the available pool of secondary metabolites within the plant. Eventually, the presence of at least eleven classes of phytoconstituents viz. alkaloids, flavonoids, phenolics, glycosides, saponins, starch, phytosterols, coumarins, tanins, resins and quinones were demonstrated. Among the four partitonates, ethyl acetate soluble fraction of A. barbata illustrated the maximum types of secondary metabolites qualitatively. The ability of the crude methanol extract (MEAB) and its ethyl acetate soluble fraction (EAAB) to suppress nociception both centrally and peripherally were investigated in Swiss albino mice by tail immersion method and acetic acid-induced writhing method, respectively. At the 90th minute of the tail immersion study, both MEAB and EAAB administered at the doses of 250 and 500 mg/kg body weight (MEAB1, MEAB2, EAAB1, EAAB2) exhibited 240.41%, 285.34%, 302.83% and 339.60% elongation of pain response, respectively, in comparison to the standard, pentazocine which effectuated 421.36% elongation at the same mark. Moreover, the test samples at the same doses as before exhibited reduction of pain sensation by 66.81%, 74.08%, 76.81%, and 83.52%, respectively, in the acetic acid-induced writhing response in mice. Both the central and peripheral analgesic potentials of EAAB were discernibly higher than those of MEAB at both doses. The findings of the study represents the pharmacological potential of this species in appropriate animal model for the first time and provides valid foundation to warrant future scientific endeavors into the plant. Bangladesh Pharmaceutical Journal 24(2): 117-124, 2021


2021 ◽  
Vol 2021 ◽  
pp. 1-7
Author(s):  
Maryam Nikkhoo ◽  
Qasem Asgari ◽  
Mahmood Reza Moein ◽  
Kambiz Yaghoobi ◽  
Abbas Gholipour

Background. Toxoplasmosis is a zoonosis disease that can cause a variety range of manifestations in human specially fetus duration and immunodeficiency conditions. Due to toxicity and side effects of current treatment, we evaluated in vivo and in vitro effects of ethyl acetate extract of Acorus calamus rhizomes (rootstocks) on Toxoplasma gondii. Methods. The plant, Acorus calamus, was collected from Sari, North of Iran in spring season. Ethyl acetate extract was provided from plant rhizomes using Soxhlet apparatus. The total phenolic and flavonoid contents of the extract were measured by the Folin–Ciocalteu method. The mortality effect of different concentrations (1-256 μg/ml) of the extract on Toxoplasma tachyzoites was assessed by flowcytometry and propidium iodide staining. For the therapeutic effect assessment, the tachyzoites were inoculated intraperitoneally to mice, and then these mice were orally and intraperitoneally administered different concentrations (32, 64, 128, and 256 mg/kg) of the extract. Also, an infected group received PBS including DMSO 1% as negative control, and an infected group administered sulfadiazine as positive control. For toxicity evaluation of this extract, a group only received dose 256 mg/kg. Results. The plant extract was rich of phenolic compounds ( 41.27 ± 0.21   mg / g ), whereas it contained fewer amounts of flavonoids ( 4.79 ± 0.01   mg / g ). Results of in vitro experiments showed that there is an inverse relationship between the concentrations and the mortality of the parasites ( I C 50 = 200.01 ± 7.74   μ g / ml ). The highest percentage (62%) of dead tachyzoites was seen at maximum concentration of the extract. A significant longevity (8.9 days) was belonged to mice orally administered extract dose (256 mg/kg/day).Conclusion. The ethyl acetate extract of A. calamus rhizomes had significant anti-Toxoplasma activities either in vitro or in vivo. It may be connected to high amount of phenolic compounds. We suggest that the effects of different fractions and the admin types of the extract will be evaluated on the parasite.


Author(s):  
BOLY A. GILCHRIST L. ◽  
OUEDRAOGO NOUFOU ◽  
TRAORE ARISTIDE ◽  
TRAORE KADIATOU T. ◽  
BELEMLILGA MOHAMED ◽  
...  

Objective: The objective of this study was to evaluate the in vitro and in vivo anti-inflammatory properties of the aqueous extract and fractions of the trunk bark of Acacia nilotica. Methods: A maceration of the powder of the trunks barks of the plant was realized. Then the aqueous macerate obtained was fractionated with dichloromethane, butanol and ethyl acetate successively. The phenolic compounds of the aqueous extract, butanol and ethyl acetate fractions were identified by HPLC/DAD. Lipoxygenase and phospholipase inhibition tests with the aqueous extract and the butanol and ethyl acetate fractions were carried out. The anti-inflammatory potential of the aqueous extract was assessed in vivo by the anti-edema test with carrageenan and the analgesic test with acetic acid at different doses (200 mg/ml; 400 mg/ml; 600 mg/ml). Aspirin (200 mg/ml) and paracetamol (200 mg/ml) were used as a reference. Results: The HPLC/DAD analysis of the extracts revealed that gallic acid is the most abundant phenol acid in the extracts. The aqueous extract inhibited lipoxygenase (IC50 = 18.32±1.18 μg/ml), phospholipase (11.44±0.32% per 100 μg/ml) and cyclooxygenase (56.48±0.29% for 100 μg/ml) as well as its tested fractions. It also reduced edema and pain in the mice by more than 50% from the 400 mg/ml dose. Conclusion: Aqueous extract of Acacia nilotica has anti-inflammatory properties. Hence its use in traditional medicine in the treatment of inflammation.


2018 ◽  
Vol 2018 ◽  
pp. 1-14 ◽  
Author(s):  
Charles Kwaku Benneh ◽  
Robert Peter Biney ◽  
Augustine Tandoh ◽  
Felix Agyei Ampadu ◽  
Donatus Wewura Adongo ◽  
...  

Introduction. The stem bark of Maerua angolensis DC. (Capparaceae) is traditionally used for management of epilepsy. Our aim was to evaluate the antiseizure potential and identify possible mechanisms by which the effects are registered. Methods. The petroleum ether/ethyl acetate extract (100–1000 mg kg−1) was administered per os to male Sprague-Dawley rats after pretreatment with flumazenil (0.3 mg kg−1) or L-arginine (150 mg kg−1) or sildenafil (5 mg kg−1) and they subsequently received a subcutaneous injection of pentylenetetrazole (65 mg kg−1). Rats were observed for latency to and duration of myoclonic seizures and additionally the level of protection against oxidant markers and products was assessed in vitro and in vivo. Results. The extract (300 and 1000 mg kg−1, p.o.) significantly delayed the onset and decreased the duration and frequency of PTZ-induced convulsions. The anticonvulsant effect of MAE (300 mg kg−1, p.o.) was reversed by pretreatment with flumazenil, L-arginine, or sildenafil. Also, MAE (300 mg kg−1) treatment reversed significantly PTZ-induced oxidative stress in rat brain tissue. Conclusion. The petroleum ether/ethyl acetate fraction exhibits antiseizure activity by affecting GABAergic and nitric oxide-cGMP pathways. In addition, the extract protects against the generation of free radicals and the oxidative products of the PTZ-induced seizures.


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