Ethanol Extract Of Stem Bark Research Articles

A Subacute Toxicity Test of Rhizophora apiculata Stem Bark Ethanol Extract on the Number, Motility, and Morphology of Male Rattus Norvegicus Spermatozoa

Indonesia has the largest mangrove ecosystem in the world. Rhizophora apiculata is a mangrove often used as traditional medicine by Indonesians. It has previously been researched that the ethanol extract of Rhizophora apiculata stem bark has benefits as a source of natural antioxidants. However, there has yet to be much research on the toxicity of this extract. Therefore, researchers want to know the subacute toxic dose of Rhizophora apiculata bark extract on fertility parameters. The type of research is experimental research with a completely randomized research design. The sample consisted of 30 male rats, which were divided into 5 groups, namely the control group, which received no treatment, and the P1-P4 treatment group, which was given Rhizophora apiculata bark extract every day with 4 dose levels starting from 114 mg/kg BW to a dose of 912 mg/kg BW for 28 days. On day 30, the rats were euthanized, and the fertility parameters of the rat spermatozoa were examined using a microscope. Kruskal-Wallis analysis and One-Way ANOVA showed p<0.05 for the spermatozoa's number, motility, and morphology. The toxic dose that can reduce the number of spermatozoa is found at 912 mg/kg BW; the toxic dose that reduces spermatozoa motility is 228 mg/kg BW; and the toxic dose that affects spermatozoa morphology is 456 mg/kg BW. This research concludes that the subacute toxic dose of the ethanol extract of Rhizophora apiculata stem bark against the spermatozoa of the male Rattus norvegicus Sprague Dawley strain in the subchronic toxicity test was 228 mg/kg BW.

Antimalarial and Antioxidant Activities of Ethanolic Stem Bark Extract of Terminalia macroptera in Swiss Albino Mice Infected with Plasmodium berghei.

Reduction of oxidative stress during malaria infection is considered as being of great benefit so long as treatment and drug development approaches are concerned. This study had the aim of evaluating the antimalarial and antioxidant activities of the ethanolic extract of Terminalia macroptera in Swiss albino mice infected with the Plasmodium berghei NK65 strain. In vivo, the antiplasmodial activity of the plant ethanolic extract was tested in a four-day suppressive and curative assay using P. berghei in Swiss albino mice. The extract was administered to the mice at doses of 125, 250, and 500 mg/kg per day. Then, parameters, such as parasite suppression and survival time of the mice, were evaluated. Furthermore, the effect of plant extract on liver damage, oxidative stress indicators, and lipid profile changes in P. berghei-infected mice were studied. Administration of T. macroptera significantly suppressed P. berghei infection by 55.17%, 70.69%, and 71.10% at doses of 125, 250, and 500 mg/kg, respectively, whereas chloroquine had 84.64% suppression relative to the untreated group 1% Dimethyl sulfoxide (1% DMSO) at day 4 (post-infection) in the four-day suppressive test. This suppression activity rate was dose-dependent. The curative test also presented a significant reduction in parasitemia and an extension of the survival time of the treated groups. Treatment of infected parasitized mice with the extract of T. macroptera had a significant (p < 0.05) reduction in parameters, such as total protein, aspartate aminotransferase, and alanine aminotransferase. Infection may also lead to a significant increase in the enzymatic activity of liver catalase and superoxide dismutase compared with the normal control group. The non-enzymatic antioxidant activity in parasitized mice was significantly reduced in malondialdehyde and increased in glutathione and nitric oxide when compared with the normal control group. These findings support the ethnobotanical use of T. macroptera stem bark as an antimalarial remedy coupled with antioxidant activity. However, further in vivo toxicity tests are required to ascertain its safety.

Ethanolic Extract of Garcinia kola Stem Bark Inhibits LDL-Uptake and LPS-Induced Anxa-1 and ICAM-1 Expression in Human Umbilical Vein Endothelial Cells (HUVECS)

The endothelial cells’ dysfunction linked to the development of atherosclerosis plays an important role in the regulation of inflammatory responses. Previous studies demonstrated the antiatherogenic effects of Garcinia kola seed extracts based on their lipid lowering effects. Our recent studies showed the in vitro antioxidant and anti-inflammatory activities of the ethanolic extract of Garcinia kola stem barks (EE). For more insight on the antiatherogenic effect of EE, we investigated its activity on some key points of the atherosclerosis process. The cytotoxicity of EE as well as its effects on LDL-uptake, LPS-induced InterCellular Adhesion Molecule (ICAM-1) and Annexin-1 (Anxa-1) expression and LPS-induced DNA damage were evaluated in Human Umbilical Vein Endothelial Cells (HUVECs). EE significantly (p&lt;0.0001) increased the cell viability in both naive and LPS-treated HUVECs. At the concentrations of 50 and 100 µg/ml, EE significantly reduced LDL-uptake by endothelial cells stimulated with LPS. The immunohistochemistry results showed a significant (p&lt;0.01) decrease in the ICAM-1 expression at the EE concentration of 250 µg/ml. EE also showed a significant (p&lt;0.0001) concentration-dependent reduction of Annexin-1 expression in LPS-treated HUVECs. Besides, EE exhibited significant inhibition on LPS-induced genotoxicity marked by a decrease in tail DNA expression (p&lt;0.0001) and tail movement expression (p&lt;0.001) for the concentrations of 50 and 100 µg/ml. These findings showed that EE may mitigate the atherogenic process by reducing LDL-uptake and the expression of adhesion molecules. Thus, the EE of Garcinia kola turns out to be a potential candidate for the treatment of atherosclerosis with a lower risk of toxicity.&#x0D; Keywords: Garcinia kola, LDL-uptake, LPS-induced inflammation, comet assay.

UJI AKTIVITAS ANTELMINTIK EKSTRAK ETANOL KULIT BATANG SENGKUANG Dracontomelon dao (Blume) Merr &amp; Rofle TERHADAP CACING GELANG AYAM (Ascaridia galli) SECARA IN VITRO

Worms are diseases caused by worms that need serious treatment. Sengkuang Dracontomelon dao (Blume) Merr &amp; Rofle has the potential as an alternative worm treatment because it contains secondary metabolites i.e. alkaloids, saponins, tannins, flavonoids and triterpenoids which have activity as anthelmintics. This study aims to determine the activity, LC50 and LT50 values ​​of sengkuang stem bark as an anthelmintic against Ascaridia galli in vitro. Sengkuang bark is processed into simplicia and then macerated using 96% ethanol as a solvent. Then the extract was used to test the anthelmintic activity by incorporating 5 chicken roundworms into each test solution, 0,9% NaCl (negative control), 0,5% mebendazole (positive control), ethanol extract of sengkuang stem bark 0,2%; 0,4%, and 0,6%. Incubated at 37°C and observed the time of paralysis, the time and number of worm deaths every 1 hour for 24 hours. The results showed that the ethanol extract of sengkuang bark at concentrations of 0,2%; 0,4% and 0,6% had anthelmintic activity with a mortality rate of 100%, an LC50 value is 0,13% and an LT50 value respectively is 15,67 hours; 10,83 hours and 7,85 hours.

Studies on the Toxicological Properties of Ethanol Stem-Bark Extract of Newbouldia laevis (P. Beauv) Seem in Rats

This research aimed at evaluating the toxicological profile of ethanol stem-bark extract of N. laevis in Wistar rats. Repeated oral dose toxicity studies (28 and 90 days) were carried out with 32 rats for 28-day study and 40 rats for 90-day study. The rats were divided into 4 groups (A, B, C and D) of six rats per group and were treated with 250, 500 and 1,000 mg/kg body-weight of the extract for 28 and 90 days respectively. Blood samples were collected at the end of the experiment and were used for Biochemical and Haematological investigations, organs were also collected for histological examination. There was significant (p ≤ 0.05) reduction in WBCs following 28-day treatment and a significant (p ≤ 0.05) increase after 90-day treatment. The RBCs, haemoglobin and haematocrit increased significantly (p ≤ 0.05) at 1,000 mg/kg following 28-day treatment and at all doses for RBCs and haemoglobin after 90-day treatment. A significant (p ≤ 0.05) increase in HDL and a decrease in LDL was observed after 28-day treatment, the 90 days treatment showed significant (p ≤ 0.05) decrease in HDL and an increase in LDL. The AST level also increased significantly (p ≤ 0.05) after 28-day treatment. Histological-examination revealed pathological abnormalities in kidney and liver of the treated rats at all doses. This study showed that extract of N. laevis stem-bark was toxic when used at high doses and for a long period of time in the treated rats.

A Comparative Study on GC-MS Profiles and Effect of Ethanolic Extracts of Stem-Bark and Leaves of Daniellia oliveri on Cerebral Sodium Pump and Thiols Status in Fenton Reaction Treated Rat Organs In-vitro

Daniellia oliveri is one of the most extensively utilized medicinal plants in Nigeria and some West African countries for the treatment of various ailments. In the present study, the GC-MS profiles and effect of ethanolic extracts of stem bark and leaves of Daniellia oliveri on lipid peroxidation, Na+/K+-ATPase activity and thiols status in H2O2 and Fe2+ (fenton reaction) assaulted cerebral and hepatic tissue homogenates was investigated. The stem bark and leaves were extracted with absolute ethanol for 72hrs and concentrated in a rotary evaporator. Wistar rats were euthanized and the brains and livers were removed, homogenized, centrifuged and the supernatants were used for lipid peroxidation, Na+/K+-ATPase activity, and thiol assays in the presence of prooxidants (1mM H2O2 or 10μM Fe2+ or H2O2 and Fe2+).The results revealed that ethanol extract of both the leaf and stem-bark inhibited lipid peroxidation induced by H2O2, Fe2+ and combination of H2O2 and Fe2+ and this was evident in the reduction of lipid peroxidation adducts formation in rat liver and brain homogenates with the stem-bark possessing more efficacy. Furthermore, the results of Na+/K+-ATPase and thiol assays revealed that H2O2 and Fe2+ inhibited the activity of cerebral Na+/K+-ATPase, while H2O2/Fe2+ caused a marked reduction in the levels of both protein and non-protein thiols in the tissues homogenates. However, the ethanolic extract of Daniellia oliveri extirpated this anomaly by increasing the activity of cerebral Na+/K+-ATPase as well as the thiol level in the rat hepatic and cerebral tissues. Finally, GC-MS analysis was carried out on the ethanolic extracts of the stem bark and leaves of Daniellia oliveri and results revealed the presence of 21 compounds including 1,2-Benzisothiazol-3-amine, 1H-Indole-2-carboxylic acid, 2-Ethylacridine, Ethyl 2-(2-chloroacetamido)-3,3,3-trifluoro-2-(3-fluoroanilino) propionate and trans-1-Butyl-2-methylcyclopropane in the stem bark and 10 compounds including Methylthio-acetonitrile, 2-Methyl-Z,Z-3,13-octadecadienol, Desulphosinigrin and 4H-1,2,4-triazole-3,5-diamine in the leaves, justifying the observed biological activities of Daniellia oliveri and the higher potency of the stem bark may be attributed to the presence of more bioactive constituents found in it. This study therefore justifies the medicinal usage of leaves and stem-bark of Daniellia oliveri and suggests its consideration in the treatment and management of degeneration diseases with etiology associated with oxidative stress.

Cytotoxicity by Brine Shrimp Lethality Test and Potential Rhinachantus nasutus (L.) Kurz Stem Bark Ethanol Extract as Anti-Inflammatory and Antimicrobial Efficacy

Cytotoxicity by Brine Shrimp Lethality Test and Potential Rhinachantus nasutus (L.) Kurz Stem Bark Ethanol Extract as Anti-Inflammatory and Antimicrobial Efficacy

Toxicity Assessment of the Ethanolic Stem Bark Extracts of Ackee, Blighia sapida on the African Catfish, Clarias gariepinus

Acute toxicity effects of ethanolic stem bark extract of ackee, Blighia sapida was tested on catfish fingerlings over a 96hr exposure period as a potent organic piscicide. A static toxicity bioassay was conducted after a preliminary trial tests were carried out to determine effective extract concentrations to be used. A 300 number catfish fingerlings were randomly selected and distributed in triplicate concentrations of stem bark extracts of ackee. The test fish were treated with concentrations of 0.00, 1.60, 3.20, 6.40 and 12.8g/l stem bark extracts. At the end of the exposure period, plant toxicant caused visible behavioral changes on test fish which included aggression, erratic swimming, stunned posture, opercula movement, air gulping, settlement at the bottom and eventual death. The LC50 lethal concentration of 8.394g/l was recorded while the safe concentration was established to be 1.281g/l. There were significant changes in water quality parameters of the experimental tanks. It could be inferred from the results of this study that treated fish were irritated by the plant toxicant such that unstable behavioral changes were exhibited in all treated groups. Therefore, the use of stem bark of ackee in fish harvesting should be regulated.

Evaluation of the Antioxidant, Antidiabetic, and Anticholinesterase Potential of Biogenic Silver Nanoparticles from Khaya grandifoliola.

In recent years, plant-mediated synthesis of silver nanoparticles has evolved as a promising alternative to traditional synthesis methods. In addition to producing silver nanoparticles with diverse biomedical potential, the biosynthesis approach is known to be inexpensive, rapid, and environmentally friendly. This study was aimed at synthesizing silver nanoparticles using ethanolic stem and root bark extracts of Khaya grandifoliola and highlighting the biomedical potential of the nanoparticles by evaluating their antioxidant, antidiabetic and anticholinesterase effects in vitro. Silver nanoparticles were prepared using ethanolic stem and root bark extracts of K. grandifoliola as precursors. The biogenic silver nanoparticles were characterized using UV-visible spectroscopy, fourier transform infrared spectroscopy, scanning electron microscopy and energydispersive X-ray analysis. Furthermore, 2,2-Diphenyl-1-picrylhydrazyl radical scavenging, ferric ion reducing antioxidant power, and nitric oxide scavenging assays were used to determine the antioxidant property of the nanoparticles. The antidiabetic potential of the nanoparticles was determined by evaluating their inhibitory effect on the activity of α-amylase and α-glucosidase. The anticholinesterase potential of the nanoparticles was determined by assessing their inhibitory effect on the activity of acetylcholinesterase and butyrylcholinesterase. UV-visible spectroscopy showed surface plasmon resonance bands between 425 and 450 nm. Scanning electron microscopy revealed almost round nanoparticles with a maximum size of 91 nm. Fourier transform infrared spectroscopy affirmed the role of the phytoconstituents present in K. grandifoliola as reducing and stabilizing agents. The biogenic silver nanoparticles showed remarkable antioxidant, antidiabetic, and anticholinesterase effects. Biogenic silver nanoparticles could be useful in biomedical and pharmacological applications.

Cytotoxic Activity Screening of Various Uncaria Spp Plants on T47d Breast Cancer Cells

Breast cancer is a disease characterised by uncontrolled cell growth in breast cells. One of the&nbsp;plants known to have anticancer activity is a plant from Uncaria genus. Some of those found in Province “Riau”, Indonesia include Uncaria barbata Merr (UB), Uncaria cordata (Lour) Merr (UC), Uncaria guianensis (Aubl.) J.F.Gmel (UG) and Uncaria nervosa Elmer (UN). This study aimes to determine the cytotoxic effect of ethanolic extract from the leaves and stem bark of Uncaria Spp on T47D breast cancer cells. These were macerated using 70% ethanol and evaporated to obtain a viscous extract. The cytotoxic effect was determined using an MTT assay, and the IC50 value was identified after 48 hours of incubation. The results show that the IC50 values of the ethanolic extracts of the leaves of Uncaria barbata Merr , Uncaria cordata (Lour) Merr , Uncaria guianensis (Aubl.) J.F.Gmel, and Uncaria nervosa Elmer were 227.30, 653.13, 334.65, and 64.42 µg/mL, respectively. The corresponding values of the ethanolic stem bark extracts of Uncaria cordata (Lour) Merr and Uncaria nervosa Elmer were 124.45 and 526.02 µg/mL, respectively. The ethanolic extract of Uncaria nervosa leaves had a strong cytotoxic effect on T47D breast cancer cells, which was 64.42 µg/mL.&nbsp

Antidiabetes study of Spondias mombin (Linn) stem bark fractions in high-sucrose diet-induced diabetes in Drosophilamelanogaster

ObjectiveThe onset of insulin resistant diabetes has been associated with a high-sucrose diet in vertebrates and invertebrates. However, various parts of Spondias mombin reportedly possess antidiabetic potential. However, the antidiabetic efficacy of S. mombin stem bark in high-sucrose diet-induced Drosophila melanogaster model has not been explored. In this study, the antidiabetic and antioxidant effects of the solvent fractions of S. mombin stem bark were evaluated using in vitro, in vivo, and in silico methods. MethodsSuccessive fractionation of S. mombin stem bark ethanol extract was performed; the resulting fractions were subjected to in vitro antioxidant and antidiabetic assays using standard protocols. The active compounds identified from the high-performance liquid chromatography (HPLC) study of the n-butanol fraction were docked against the active site of Drosophila α-amylase using AutoDoc Vina. The n-butanol and ethyl acetate fractions of the plant were incorporated into the diet of diabetic and nondiabetic flies to study the in vivo antidiabetic and antioxidant properties. ResultsThe results obtained revealed that n-butanol and ethyl acetate fractions had the highest in vitro anti-oxidant capacity by inhibiting 2,2-diphenyl-1-picrylhydrazyl (DPPH), ferric reducing antioxidant power, and hydroxyl radical followed by significant inhibition of α-amylase. HPLC analysis revealed the identification of eight compounds with quercetin having the highest peak followed by rutin, rhamnetin, chlorogenic acid, zeinoxanthin, lutin, isoquercetin, and rutinose showing the lowest peak. The fractions restored the glucose and antioxidant imbalance in diabetic flies, which is comparable with the standard drug (metformin). The fractions were also able to upregulate the mRNA expression of insulin-like peptide 2, insulin receptor, and ecdysone-inducible gene 2 in diabetic flies. The in silico studies revealed the inhibitory potential of active compounds against α-amylase with isoquercetin, rhamnetin, rutin, quercetin, and chlorogenic acid having higher binding affinity than the standard drug (acarbose). ConclusionOverall, the butanol and ethyl acetate fractions of S. mombin stem bark ameliorate type 2 diabetes in Drosophila. However, further studies are needed in other animal models to confirm the antidiabetes effect of the plant.

Effect of nephroprotectors of javanese bark extract (Lannea coromandelica) on aspirin-induced rat serum creatinine levels

Kidney disease is a global health problem based on the increase of incidence, prevalence, and morbidity rate. According to RISKESDAS 2018, the prevalence of chronic kidney disease (CKD) was increased significantly. Lannea coromandelica stem bark contains flavonoid was exhibited antioxidant that could be potential as nephroprotector. This study aimed to find out the nephroprotector effect of ethanolic extract of Lannea coromandelica stem bark by measurement serum creatinine levels at rats (Rattus novergicus). This study was used experimental laboratory method. In this study used 25 rats were divided into 5 groups. Group 1 was administered Na CMC 1 % as negative control group. Group 2 was administered aspirin 600 mg/kg body weight as induced control group. Group 3, 4, and 5 were administered Lannea coromandelica stem bark ethanolic extract with the doses 400 mg/kg body weight, 800 mg/kg body weight, and 1200 mg/kg body weight, respectively. The extract of lannea coromandelica stem bark groups were given for 4 days orally. Blood of rats were collected from the orbital sinus eye to be measured creatinine serum level at 5th day. The data was analyzed statistically with one way ANOVA and Paired samples test. The result of this study exhibited that there was a differences of creatinine levels between pre and post treatment with p-value=0.033&lt; 0.05. In conclusion, this study presented that ethanolic extract of Lannea coromandelica stem bark was decreased serum creatinine levels at doses 800 and 1200 mg/kg body weight against the aspirin induced on rats.

Evaluation of Terminalia macroptera (Combretaceae) Guill. & Perr stem bark extract incorporated into an emulgel for the potential management of rheumatoid arthritis

BackgroundRheumatoid Arthritis (RA) is a chronic disease which causes inflammation and damage to the joint. The goals of treatment are to stop inflammation, relieve symptoms, improve physical function and overall well-being. The purpose of this study was to evaluate Terminalia macroptera stem bark (TMB) ethanol extract and formulate it into an herbal emulgel (TME) for the potential management of RA. MethodsPhytochemical analysis and anti-inflammatory activity of TMB were first evaluated using standard analytical methods and complete Freund's adjuvant (CFA) induced arthritis model in rats respectively. Post-formulation, physical characterization of the carbopol 940 based herbal emulgels (TME) and the reduction in the induced rat paw sizes by the herbal emulgels were evaluated using diclofenac emulgel as the positive control. ResultsPhytochemical screening revealed the presence of flavonoids, tannins, terpenoids, saponins, and alkaloids. Inflammatory activity of the extract gave the highest percentage inhibition with TMB (50 mg/kg). The formulated herbal emulgels had good spreadability, extrudability, pH ranging from 4.5±0.2 to 6.9±0.4 and viscosity ranging from 0.36 ± 0.20 to 8.37 ± 0.65 Pas at 6 rpm and 0.26 ± 0.01 to 10.67±0.96 Pas at 12 rpm. TME emulgel significantly (p < 0.05) reduced oedema formation and arthritic index induced by complete Freund's adjuvant in rats. TME showed dose-dependent anti-inflammatory activity comparable with commercial diclofenac emulgel. ConclusionTMB showed an excellent inhibitory activity on the induced paw of the test animals which makes it a suitable candidate in a topical herbal emulgel formulation (TME) for the potential use in the management of RA.

Antiplasmodial, Antioxidant, and Cytotoxic Activity of Bridelia micrantha a Cameroonian Medicinal Plant Used for the Treatment of Malaria.

Resistance to common antimalarial drugs and persistence of the endemicity of malaria constitute a major public health problem in Cameroon. The aim of this study was to evaluate the in vitro antiplasmodial, antioxidant, and cytotoxic activities of aqueous and ethanol extracts of Bridelia micrantha used by Cameroonian traditional healers for the treatment of malaria. Aqueous and ethanolic stem bark extracts were prepared according to standard procedures. The SYBR Green method was used for antiplasmodial activity on strains of Plasmodium falciparum sensitive to chloroquine (3D7) and resistant (Dd2). In vitro antioxidant activities of B. micrantha were determined using the scavenging activity of 2,2'-diphenyl-1-picrylhydrazyl, nitric oxide, ferric reducing power, and hydrogen peroxide as well as their cytotoxicity on RAW 264.7 macrophage cells and red blood cells (RBC). The aqueous and ethanol extracts of Bridelia micrantha showed antiplasmodial activity on the 3D7 strain with IC50 of 31.65 ± 0.79 μg/ml and 19.41 ± 2.93 μg/ml, respectively, as well as 37.64 ± 0.77 μg/ml and 36.22 ± 1.04 μg/ml for the Dd2 strain, respectively. The aqueous and ethanol extracts showed free radical scavenging properties. The IC50 aqueous and ethanol extract was approximately 0.0001737 μg/ml, 42.92 μg/ml, 1197 μg/ml, 63.78 μg/ml and 4.617 μg/ml, 429.9 μg/ml, 511 μg/ml, and 69.32 μg/ml for DPPH, NO, H2O2, and FRAP, respectively, which were compared to ascorbic acid (8.610e - 005 μg/ml, 2901 μg/ml, 3237 μg/ml, and 18.57 μg/ml). The aqueous and ethanol extracts of B. micrantha were found to be nontoxic with CC50 values of 950 ± 6.6 μg/ml and 308.3 ± 45.4 μg/ml, respectively. Haemolysis test showed that the two extracts were not toxic. These results suggest that B. micrantha can serve as an antimalarial agent. However, further studies are needed to validate the use of B. micrantha as an antimalarial.

Evaluation of In vivo Toxicity and In vitro Antimicrobial Activities of Crude Ethanolic Stem Bark Extract of Anonidium mannii

Aims: This study aims to evaluate the in vivo acute and sub-acute toxicity; and the antimicrobial activity of Anonidium mannii stem bark ethanolic extract.&#x0D; Study Design: This is an experimental study.&#x0D; Location and Duration of the Study: The work was conducted from 15 November 2020 to 31 May 2021 at several laboratories (the Faculty of Medicine and Pharmaceutical Sciences Laboratory of the University of Douala, the Animal Physiology Laboratory of the Faculty of Medicine and Biomedical Sciences at the University of Yaoundé 1 and in the Hematology and Bacteriology Laboratories of the District Hospital of the Cité des Palmiers, Douala, Cameroon).&#x0D; Methodology: The in vivo acute and subacute toxicities studies were conducted following the guidelines of the OECD on Wistar rats, while the in vitro antimicrobial activity was evaluated using the microdilution method on bacterial (Neisseria gonorrheae, Escherichia coli, Salmonela spp) and fungal (Candida albicans) strains.&#x0D; Results: Phytochemical screening revealed the presence of alkaloids, anthraquinones, coumarins, flavonoids, phenols, reducing sugars, tannins, triterpenes. An oral administration of the extract did not induce an abnormal variation of the physiological parameters in rats, at doses of 2000 and 5000 mg/kg body weight for 14 days. After twenty-eight days of observation during the study of subacute toxicity, the extract showed good safety in terms of subacute toxicity. No deaths were recorded at the different doses; and clinical and physiological parameters analyses revealed a non-significant statistical difference. All bacterial strains in the presence of the extract were inhibited, as well as C. albicans. The extract exhibited strong antibacterial activity against N. gonorheae (MIC 15.6 μg/mL), E. coli (MIC 62.5 μg/mL) and Salmonella spp (MIC 15.6 μg/mL).&#x0D; Conclusion: These results could justify the use of A. mannii stem bark in the traditional pharmacopoeia for the treatment of gonococcal disease, diarrhea, abscesses and food poisoning.

Phytochemistry, GS-MS analysis, and heavy metals composition of aqueous and ethanol stem bark extracts of Ximenia americana

Medicinal plants employed in the management of diseases has been attributed to their phytochemical compositions. The present study aimed to investigate the phytochemicals, bioactive, and heavy metals components present in aqueous and ethanol stem bark extracts of Ximenia americana. The phytochemical compositions were qualitatively, and quantitatively determined, followed by the identification of bioactive compounds present. The heavy metals composition was also determined. The result revealed the presence of saponins in the aqueous (30.67% ±0.39), and ethanol (19.67% ±0.78) extract. However, alkaloids (14.61% ±0.46) were detected only in the aqueous extract while steroids (7.00% ±1.16), and glycosides (0.38% ±0.03) were in the ethanol extract only. A total of 17 and 26 compounds were identified in the aqueous and ethanol extract respectively. Chromium and lead had a concentration of 0.184 ppm ±0.080 and 0.886 ppm ±0.210 respectively in the aqueous and ethanol extract. Cadmium had a concentration of 0.001 ppm ±0.000 in both aqueous and ethanol extract. Conclusively, X. americana contains bioactive components that could be utilized in the production of novel drugs by isolation of these bioactive compounds.

Phytochemistry, GS-MS analysis, and heavy metals composition of aqueous and ethanol stem bark extracts of Ximenia americana

Phytochemistry, GS-MS analysis, and heavy metals composition of aqueous and ethanol stem bark extracts of Ximenia americana

Anti oxidative activities of aqueous and ethanolic extracts of stem barks from trichilia emetica in albinos rats

: In chronic diseases in general and in diabetes mellitus and hypertension in particular, there is an important imbalance between antioxidant defenses and the production of free radicals due to reactive oxygen species, thus leading to an increase in oxidant stress markers. Therefore, this study was designed to evaluate the antioxydative and protective effects of aqueous and ethanolic extracts of trichilia emetica stem bark in albinos rats with alloxan-induced diabetes or adrenaline-induced hypertensive.: Two different batches of albinos rats were used distinctly and including a control one of 3 rats for each batch so a test group of 21 rats. Diabetes was induced by injecting Alloxane® intraperitoneally for 7 days. Hypertension was induced by injecting Adrenaline® intraperitoneally for eight days and we used visitech BP 2000 tools to measure arterial pressure. The aqueous and ethanolic extracts of Trichilia emetica were prepared and the obtained mixture was homogenized using a magnetic stirrer for 24 hours. Rats received the above-mentioned extracts orally at doses of 100 and 200 mg/kg bw for 6 days.: Aorta and heart activities of catalase were significantly increased. This same trend was observed with superoxide dismutase activity together with increasing AChE catalytic activity in vessels. Treatment of rats for seven days with extracts of Trichilia emetic and nifedipineproduced a significant decrease of antioxidative markers activities of catalase and SOD for aqueous and ethanolic extracts as well. This action was slightly above nifedipineone administrated at 10 and 20 mg/kg bw. For rats treated with Trichilia emetica or with diastabolwe registered a significant decrease of MDA and GSH concentration.Our results showed that the extracts have the potential to reduce the rate of reactive oxygen species and free radicals in rats with alloxane-induced diabetes or adrenaline-induced hypertensive. However, further large studies are needed to investigate the specific action and particularity of Trichilia emetica that could justify these activities.

LC-MS and GC-MS Profiling of Different Fractions of Ficus platyphylla Stem Bark Ethanolic Extract.

The exploration of medicinal plants in traditional medicine for the treatment of diseases has been practiced for long, globally, because of its cultural acceptability, availability, and affordability. This study investigated the qualitative and quantitative estimation of phytochemicals present in Ficus platyphylla stem bark as well as determined the reducing power and antioxidant property of each fraction against DPPH and NO radicals. The study further elucidated the presence of possible compounds in different fractions (methanol, ethyl acetate, petroleum ether, and chloroform) of Ficus platyphylla stem bark (FPSB) extract using GC-MS, LC-MS, and FTIR techniques. Qualitative phytochemical analysis reveals the presence of phytochemicals: saponin, flavonoids, tannins, phenols, steroids, alkaloids, and glycoside in the ethanolic extract. The LC-MS study of methanol and ethyl acetate fractions reveals the presence of thirteen and three compounds, respectively. GC-MS analysis shows the presence of trans-13-octadecenoic acid as the main compound 38.07% and cis-vaccenic acid as the least compound (0.10%) in the petroleum ether fraction. The main compound in the chloroform fraction is 12-oleanen-3-yl acetate, (3. alpha.) with a peak area percentage of 49.25% and oleic acid been the least compound with 0.07% peak area. The FTIR analysis reveals that the fractions contain compounds with hydroxyl, aromatic, methyl, methylene, methyne, long aliphatic chain, ethers, ether-oxy, peroxides, etc. The analyzed fractions reveal compounds with potential pharmacological activity in the management of pathological conditions.

Antiulcerogenic Potential of the Ethanolic Extract of Ceiba speciosa (A. St.-Hil.) Ravenna Evaluated by In Vitro and In Vivo Studies.

Gastrointestinal diseases, such as peptic ulcers, are caused by a damage in the gastric mucosa provoked by several factors. This stomach injury is regulated by many inflammatory mediators and is commonly treated with proton-pump inhibitors, histamine H2 receptor blockers and antacids. However, various medicinal plants have demonstrated positive effects on gastric ulcer treatment, including plants of the Ceiba genus. The aim of this study was to evaluate the antiulcer and anti-inflammatory activities of the stem bark ethanolic extract of Ceiba speciosa (A. St.-Hil.) Ravenna. We performed a preliminary quantification of phenolic compounds by high-performance liquid chromatography-diode array detection (HPLC-DAD), followed by the prospection of other chemical groups through nuclear magnetic resonance (NMR) spectroscopy. A set of in vitro assays was used to evaluate the extract potential regarding its antioxidant activity (DPPH: 19.83 ± 0.34 µg/mL; TPC: 307.20 ± 6.20 mg GAE/g of extract), effects on cell viability and on the release of TNF-α in whole human blood. Additionally, in vivo assays were performed to evaluate the leukocyte accumulation and total protein quantification in carrageenan-induced air pouch, as well as the antiulcerogenic effect of the extract on an ethanol-induced ulcer in rats. The extract contains flavonoids and phenolic compounds, as well as sugars and quinic acid derivatives exhibiting potent antioxidant activity and low toxicity. The extract reduced the release of TNF-α in human blood and inhibited the activity of p38α (1.66 µg/mL), JAK3 (5.25 µg/mL), and JNK3 (8.34 µg/mL). Moreover, it reduced the leukocyte recruitment on the pouch exudate and the formation of edema, reverting the effects caused by carrageenan. The extract presented a significant prevention of ulcer formation and a higher reduction than the reference drug, Omeprazole. Therefore, C. speciosa extract has demonstrated relevant therapeutic potential for the treatment of gastric diseases, deserving the continuation of further studies to unveil the mechanisms of action of plant bioactive ingredients.