Antioxidant property, haematinic and biosafety effect of Ipomoea batatas lam. leaf extract in animal model

Background Plant medicine was dated back for decades and has immensely contributed to the health care system in several countries. This present study evaluated in vitro antioxidant, anti-anaemic and biosafety properties of n-hexane leaf extract of Ipomoea batatas L. in an animal model. The antioxidant property of the extract was expressed by 1, 1-diphenyl-1-picrylhydrazyl (DPPH) with an appropriate method. The extract was orally administered at graded doses (125, 250 and 500 mg/kg body weight) to determine its effect on 40 mg/kg phenylhydrazine hydrochloride-induced anaemia in rats at days 1, 7 and 14 using a standard protocol. Acute and subacute toxicological evaluations were based on initial behaviour, mortality and histological examination of the organs. Results The antioxidant study of the extract showed 60.14% in the presence of DPPH and ascorbic acid. The haematological parameters (RBC, HGB, HCT, MCV, MCH and MCHC) significantly increased at p value < 0.05 in the treated groups compared with control groups. Specifically, there is a significant increase in the treatment groups, namely red blood cells (5.93, 6.78, 6.75), haematocrit (40.75, 44.05, 44.63) and haemoglobin (13.35, 14.70, 14.73), when compared with untreated control. Also, the results of the myeloid/erythroid ratio of the treated groups (20: 40, 21.7: 43.4 ratio) and (23. 3: 46.6 ratio) are compared with (15.0: 25.0 ratio) of 40 mg/kg phenylhydrazine and 25: 50 normal control of the bone marrow at day 14. No acute behavioural change or mortality was observed. Histological analysis exhibited normal physiological state of the visceral organs. Conclusions These findings support the folklore use of Ipomoea batatas L. leaf extract to reduce oxidative stress, treat anaemia and exhibit its safety at the highest doses of 500 mg/kg body weight.

Recent Advances in Tin-based Hybrid Organic-Inorganic PSCs: Additives for Improved Stability and Performance

Perovskite solar cells (PSCs) materials are progressing as potential candidates for the future generation of photovoltaics. Despite the most efficient photovoltaic performance, lead-based perovskite materials are not considered for commercialization due to the high toxicity of lead. One of the promising alternatives is tin (Sn)-based perovskites, which exhibits equivalent ionic size as lead and outstanding absorption properties. However, Sn-based perovskite materials have stability and low-performance issues because of the easy oxidation of Sn2+ to Sn4+and fast crystallization. This paper gives a focused overview of the notable recent studies to address the stability and low-performance challenges of Sn-based hybrid organic-inorganic perovskite (Sn-HOIP) materials for solar cells by using functional additives. To date, the addition of SnF2 additive in the methylammonium tin iodide-based PSCs has shown the highest efficiency of 7.78% and maintains 70% of original efficiency over 200-hours. In the case of formamidinium tin iodide-based PSCs, the addition of phenylhydrazine hydrochloride significantly increases the power conversion efficiency to 11.40% from 5.60% for a pristine device. However, further improvement in the stability and efficiency of Sn-based PSCs requires a molecular-level understanding of the role of existing and new candidates of additives tailored for evolving Sn-HOIP materials.

Activity Of Enteral Lactase And Lactobacilli In Maternal And Hereditary Toxic Anemia

In this paper, the activity of lactobacilli in the small intestine and lactobacilli in the colon, which are involved in the digestion of milk sugar during lactotrophy using phenylhydrazine hydrochloride, studied the effects of toxic anemia on mother and child. Erythrocyte counts, hemoglobin levels, lactase enzyme activity in the small intestine, and lactobacilli activity in the colon were determined in 12- and 24-day-old rats born to mother anemic rats with toxic anemia under the influence of phenylhydrazine hydrochloride, and in growing rats after mother and offspring toxic anemia. Experiments in white rats have shown that in rats growing in experimental toxic anemia of mother and offspring, there is an increase in lactase activity in the small intestine and a decrease in lactobacilli activity depending on the degree of intoxication in the colon.

Synthesis of New Hispolon Derived Pyrazole Sulfonamides for Possible Antitubercular and Antimicrobial Agents

A series of 10 new hispolonpyrazole sulfonamides were designed and synthesized using hispolons and 4-sulfonamide phenylhydrazine hydrochloride with better yields. The synthesized pyrazole sulfonamides were screened for anti-TB, anti-bacterial, and anti-fungal activities to compare the role sulfonamide moiety. Among them, 3a and 3b showed selective potent anti-tubercular nature (MIC 6.25µg/mL). Further, the antimicrobial studies of the compounds showed only compound 3b with a good inhibition zone on Staphylococcus aureus among other bacteria and fungi studied. Resumen.Se prepararon 10 nuevas hispolon-pirazol-suklfonamidas con buenos rendimientos haciendo reaccionar hipolonas y el clorhidrato de 4-sulfonamidil-fenílhidrazina. Los productos obtenidos se probaron contra cepas de hongos y bacterias con especial interés en la tuberculosis, encontrando algunos derivados con actividades del orden de MIC 6.25µg/mL.

Anti-Anaemic Effect of Cnidoscolus chayamansa (Mc Vaugh) Leaf Extract on Phenyl Hydrazine-Treated Rats

Background: Anaemia is one of the world's threatening disease conditions of blood disorder that leads to the decrease in red blood cells which affects people of all ages. Aim of the Study: This study aimed to evaluate the effects of Cnidoscolus chayamansa leaf extract on phenylhydrazine hydrochloride induced anaemia in albino rats. Study Duration: This study was conducted on 30th June 2019 at the Department of Biochemistry, Faculty of Basic Medical Sciences, University of Jos, Nigeria. Methodology: A total of 16 rats were split into four groups. Group A the baseline for negative control, group B positive control, group C pre-treatment and group D post-treatment. Induction was done by intraperitoneal with phenylhydrazine at a dose of 40 mg/kg. Blood was taken for each 2 days interval for PCV, RBC, WBC and Hb. Preliminary phytochemical screening was investigated by standard procedures. Results: The results show a significant (P<0.05) increase in serum PCV, RBC, WBC and Hb concentration when compared with the untreated group. Decrease in serum alanine aminotransferase (15.46±4.443 & 7.80±0.429), aspartate aminotransferase (20.89±1.095 & 11.66±0.898), total bilirubin (13.70±0.351 & 10.45±0.620), direct bilirubin (7.49±0.659 & 3.76±0.042) and alkaline phosphatase (254.25±2.287 & 192.00±1.474) and a significant (P<0.05) increase in serum protein and albumin when compared with untreated group. Iron binding shows a significantly (P<0.05) increase (153.49±0.530 & 166.09±1.334) and (85.16±0.824 &98.43±0.562) while there was a significant (p<0.05) decrease in serum Urea (2.39±0.027&4.70±0.047), Creatinine (68.38±0.404&75.01±0.891), and Uric acid (234.92±2.761&246.52±1.136) when compared with the baselines. Conclusion: The positive effect of the vegetable may be attributed to its rich phytochemicals, nutrients which supports the use of the leaves for food and ethnomedicinal purposes in many parts of Nigeria.

Efficacy of the Aqueous Extracts of Justicia Galeopsis Leaves on the Improvement of Hematological Parameters in Anemic Rats

Antianemc potential of aqueous of Justicia galeopsis leaves was studied using Wistar Albino rats after induction of anemia by phenylhydrazine hydrochloride. Forty rats (20 male and 20 female) subdivided into five groups of eight rats were used. There was a group as control (not anemic) and four other anemic groups which had received by gavage respectively 1 ml/kg of distilled water, 1 ml/kg of body weight of Vitafer (reference drug commonly used to treat anemia), 100 mg/kg of body weight of extract of J. galeopsis leaves cooked during 30 min and 30 mg/kg of body weight of extract of J. galeopsis leaves cooked during 45 min. Hematological parameters (red blood cells, hemoglobin and hematocrit) were analyzed as indices of anemia and the weights of specific organs (liver, spleen and kidney) were evaluated. The results of this investigation had showed that aqueous extract of J. galeopsis leaves cooked improved red blood cells, hemoglobin and hematocrit levels. These extracts were not toxic for liver, spleen and kidney. The administration of 100 mg/kg/day of extract of leaves cooked leaves during 30 min promotes a better recovery rate of the number of red blood cells (94.80 %), hemoglobin level (159.53 %) and hematocrit (117.72 %) than Vitafer and the extract of leaves cooked for 45 min. This is suggestive that aqueous extracts of Justicia galeopsis leaves cooked during 30 min may be exploited during 2 weeks in the treatment of anemia.

Biological Evaluation and Molecular Docking Studies of Synthesized 5-Substituted-2-chlorophenyl-4-chloro Derivatives Bearing Pyridazinone Moiety

Chemical modification of pyridazinone may lead to a potent therapeutic agent. In this study, biological properties of pyridazinone derivatives were evaluated by assessing their antimicrobial and in-vitro antioxidant activities. The reaction of a mucochloric acid and 3-chloro-phenylhydrazine hydrochloride led to the formation of 5-aryl-4-chloro-2-(3-chloro-phenyl)-2H-pyridazin-3-one derivatives 2(a-j). The target compounds were synthesized using nucleophilic substitution reaction. In-silico molecular docking studies of the synthesized compounds were carried out with the help of V-Life Science MDS 4.6 software using GRIP batch docking method to find out which derivative had a better docking. The newly synthesized compounds were characterized by FTIR, 1HNMR, 13C-NMR, MS, and elemental analysis. Antimicrobial and in-vitro antioxidant activity study of the novel synthesized compounds were screened. Compounds 2f and 2g showed good antimicrobial having an MIC 12.5 μg/mL against Staphylococcus aureus and Candida albicans and in-vitro antioxidant activities having an IC50 50.84. The experimental results were further supported by molecular docking analysis with better interaction patterns.

Shaken, not stirred: a schools test for aldehydes and ketones

A schools test for aldehydes and ketones in water at room temperature using test tubes has been developed in this laboratory using either phenylhydrazine hydrochloride or phenylhydrazine hydrochloride with NaOAc . 3H2O. The role of one equivalent of a strong or weak acid which catalyses the reaction is discussed.