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Antimicrobial evaluation of some new nitrone compounds derived from glyoxal 乙二醛衍生的一些新的硝基化合物的抗菌评价
Pub Date : 2019-07-20 DOI: 10.22377/IJGP.V13I3.2599
Husam Hamza Salman
Objective: The aim of this work includes the synthesis of nitrone compounds derived from glyoxal by a condensation reaction with substituted arylhydroxylamines and evaluation of their antimicrobial efficacy. Materials and Methods: The present work concerned the synthesis of arylhydroxylamine derivatives and subsequently reacted with glyoxal (40%) to synthesize the nitrone compounds. Results: The synthesized nitrones in our study, their structures identified with Fourier-transform infrared and 1H-Nuclear magnetic resonance spectroscopies in addition to elemental analysis (C.H.N.). The results support the structures of nitrone compounds. Conclusion: Synthesized nitrones obtained in high purity and an excellent yield. The synthesized nitrones investigated for evaluation of their antimicrobial efficacy against Gram-positive (Staphylococcus aureus, ATCC 25923) and Gram-negative (Escherichia coli, ATCC 25922) bacteria and fungus (Aspergillus niger and Aspergillus flavus). The study proved that the synthesized nitrones exhibited significant antimicrobial activity.
目的:以乙二醛为原料与取代芳基羟胺缩合反应合成硝基化合物,并评价其抗菌效果。材料与方法:合成芳基羟胺衍生物,然后与乙二醛(40%)反应合成硝基酮化合物。结果:本研究合成的硝基化合物的结构经傅里叶变换红外光谱和核磁共振光谱及元素分析确证。结果支持了硝基酮类化合物的结构。结论:合成的硝基酮纯度高,收率好。研究了合成的氮酮对革兰氏阳性(金黄色葡萄球菌,ATCC 25923)和革兰氏阴性(大肠杆菌,ATCC 25922)细菌和真菌(黑曲霉和黄曲霉)的抑菌效果。研究证明,合成的氮酮具有显著的抗菌活性。
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引用次数: 2
Synthesis, characterization and antibacterial evaluation of new 1,2,4- triazole-3-thiol derivatives 新型1,2,4-三唑-3-硫醇衍生物的合成、表征及抗菌性能评价
Pub Date : 2019-07-20 DOI: 10.22377/IJGP.V13I3.2600
Hussein A. Alyahyaoy
Context: In this manuscript, evaluation of the individual antibacterial effect of new synthesized 1,2,4-triazole-3-thiol derivatives against certain types of bacteria (Gram-positive and Gram-negative). Methods: Synthesize of some new 1,2,4-triazole derivatives and characterization of synthesized derivatives were characterized by Fourier transform-infrared spectroscopy, proton nuclear magnetic resonance, and elemental microanalysis (CHNS). The antibacterial effect of the synthesized derivatives was assessed by determining their inhibitory concentration whereby calculate their inhibition zone versus certain types of standard antibiotics, concentration ranging from 0.250, 0.500, and 1 mg/1 ml. Results: Most synthesized compound showed inhibition zone against Gram-positive and/or Gram-negative bacteria, compound (TRN4) showed moderate inhibition against resistant Pseudomonas aerogenosa, while standard reference drug (cefepime) did not show activity. Conclusion: These results indicate that the introduction of triazole -3-thiol moiety may produce antibacterial activity against certain types of bacteria and according to side chain group (beside thiol).
背景:本文评价了新合成的1,2,4-三唑-3-硫醇衍生物对某些类型细菌(革兰氏阳性和革兰氏阴性)的抗菌效果。方法:合成一些新的1,2,4-三唑衍生物,并采用傅里叶变换红外光谱、质子核磁共振和元素微量分析(CHNS)对其进行表征。通过测定其抑菌浓度来评估合成的衍生物的抑菌效果,即计算其相对于某些类型的标准抗生素的抑制区,浓度范围为0.250,0.500和1 mg/1 ml。大多数合成的化合物对革兰氏阳性和/或革兰氏阴性菌均有抑制带,化合物TRN4对耐药的气源假单胞菌有中等抑制作用,而标准对照药头孢吡肟无抑制作用。结论:三唑-3-硫醇片段的引入可能对某些类型的细菌产生抑菌活性,并根据其侧链基团(硫醇旁)产生抑菌活性。
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引用次数: 1
Inhibitory activity of leaf extract of Tinospora cordifolia and magnoflorine on aldose reductase for control of diabetes 芦笋叶提取物和木兰花碱对糖尿病醛糖还原酶的抑制作用
Pub Date : 2019-07-20 DOI: 10.22377/IJGP.V13I3.2588
Prathibha Devi Cherku
Introduction: Diabetes mellitus is a metabolic disorder that affects a large population around the world, as declared by the World Health Organization. There is a need for discovery of natural, non-toxic agents with minimum side effects such as medicinal plants. Tinospora cordifolia (Guduchi) has been used as an antidiabetic medicine in Ayurveda and traditional folk medicine. The present study is an integrative approach of plant sciences, medicinal chemistry, and screening assays for the development of treatment for diabetes. It investigates the analysis and antidiabetic efficiency of the leaf extract of T. cordifolia and its alkaloidal component magnoflorine. Materials and Methods: Initially, the active fraction of T. cordifolia (AFTC) of methanolic leaf extract was analyzed through fractionation to isolate the active molecules through the column and thin-layer chromatography. The primary compounds were characterized through high-performance liquid chromatography and their chromatographic profiles established using appropriate standards. Subsequently, the plant extract of T. cordifolia and one of its alkaloidal components, magnoflorine was tested on streptozotocin (STZ)-induced diabetic rats for their antidiabetic property by assessing the inhibition of aldose reductase. Results: Four active molecules (alkaloids) were isolated from the plant extract of T. cordifolia through Column chromatography and thin-layer chromatography (TLC) and high-performance liquid chromatography studies confirmed their identity as magnoflorine, jatrorrhizine, palmatine, and berberine. Antidiabetic potential of plant extract and its component alkaloid, magnoflorine was tested on STZ-induced diabetic rats. Treatment with plant extract or magnoflorine decreased the serum glucose to normal level similar to that of the standard drug metformin and also remarkably prevented their weight loss to almost the same extent as those treated with metformin. Significant inhibition of aldose reductase activity was also observed by the plant extract or magnoflorine. Discussion: The study indicated that the extract of T. cordifolia and magnoflorine help in the maintenance of body weights and blood glucose levels of STZ-induced diabetic rats and also demonstrated a significant aldose reductase inhibition activity similar to that of Metformin (the standard antidiabetic drug). Hence, the plant extract and magnoflorine have immense antidiabetic potential. Conclusion: The plant extract and magnoflorine have an immense antidiabetic property, and magnoflorine can be developed into a potent antidiabetic drug after further trials. The pure form of magnoflorine is scarcely available, and the development of a purification process may be beneficial.
导读:世界卫生组织宣布,糖尿病是一种影响全球大量人口的代谢紊乱。有必要发现天然的、无毒的、副作用最小的药剂,如药用植物。在阿育吠陀医学和传统民间医学中,古杜芝被用作抗糖尿病药物。本研究将植物科学、药物化学和筛选分析相结合,开发糖尿病治疗方法。研究了菖蒲叶提取物及其生物碱成分木兰花碱的分析及其抗糖尿病作用。材料与方法:首先,对烟叶甲醇提取物的活性组分(AFTC)进行分馏分析,通过柱层和薄层色谱分离活性分子。采用高效液相色谱法对主要化合物进行了表征,并建立了相应的色谱谱。随后,以链脲佐菌素(STZ)诱导的糖尿病大鼠为实验对象,通过测定其提取物对醛糖还原酶的抑制作用,考察其与其中一种生物碱成分木兰花碱的抗糖尿病作用。结果:通过柱层析、薄层析和高效液相色谱分离得到4个活性分子(生物碱),分别为木兰花碱、麻风根碱、棕榈碱和小檗碱。用stz诱导的糖尿病大鼠试验了植物提取物及其主要成分木兰花碱的抗糖尿病作用。用植物提取物或木兰花碱治疗使血清葡萄糖降至与标准药物二甲双胍相似的正常水平,并且显著地阻止了体重下降,其程度与用二甲双胍治疗的人几乎相同。植物提取物或木兰花碱对醛糖还原酶活性也有明显的抑制作用。讨论:本研究表明,烟叶提取物和木兰花碱有助于维持stz诱导的糖尿病大鼠的体重和血糖水平,并表现出与标准降糖药物二甲双胍相似的显著醛糖还原酶抑制活性。因此,植物提取物和木兰花碱具有巨大的抗糖尿病潜力。结论:该植物提取物和木兰花碱具有较强的抗糖尿病作用,经进一步试验,木兰花碱可开发为一种有效的抗糖尿病药物。纯形式的木兰花碱很少可用,开发一种纯化工艺可能是有益的。
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引用次数: 3
Evaluation of encircling anal canal by Kshara sutra therapy in rectal prolapse (Gudabhramsa) 经环肛治疗直肠脱垂的疗效评价
Pub Date : 2019-07-20 DOI: 10.22377/IJGP.V13I3.2590
Varsha Saxena
Background and Aim: The anorectal diseases have been known from thousands of years. In Ayurveda, Acharya Sushruta has described Gudabhramsa (rectal prolapse) under the heading of Kshudra roga. Kshara sutra (medicated thread) has been proved to be a big revolution in the treatment of Anorectal diseases. Encircling of anal canal by Kshara sutra therapy is Kshara sutra therapy used in a rectal prolapse. Materials and Methods: A total of 33 patients of both genders of prolapse rectum have been selected randomly after taking written consent and treated with three different types of Kshara sutra followed in the “Anorectal clinic” of S. S. Hospital, Institute of Medical Sciences, Banaras Hindu University. Results: Udumber Kshara sutra (81.8%) was significantly equally effective in terms of pain reduction as compared to Guggulu Kshara sutra (81.8%), but Snuhi Kshara sutra (63.6%) was less effective. Udumber Kshara sutra (81.8%) is more effective in terms of discharge reduction as compared to Snuhi Kshara sutra (72.7%) and Guggulu Kshara sutra (72.7%) which was equally significant. Udumber Kshara sutra (90.9%) was significantly more effective in terms of tenderness reduction as compared to Guggulu Kshara sutra and Snuhi Kshara sutra. Discussion and Conclusion: Pain and tenderness were comparatively lower in group treated with Udumber Kshara sutra as compared to Guggulu Kshara sutra and Snuhi Kshara sutra. Udumber Kshara sutra is equally effective in terms of reduction in discharge observed during the treatment as Guggulu Kshara sutra and least by Snuhi Kshara sutra. Udumber Kshara sutra is equally effective as Guggulu Kshara sutra in terms of wound healing.
背景与目的:肛肠疾病的认识已有几千年的历史。在阿育吠陀中,阿查里亚·苏斯鲁塔在Kshudra roga的标题下描述了Gudabhramsa(直肠脱垂)。Kshara sutra(药线)已被证明是肛肠疾病治疗的一大革命。经围肛法是经法治疗直肠脱垂的一种方法。材料与方法:在印度巴纳拉斯印度教大学医学研究所S. S.医院“肛肠门诊”随机选取33例男女均有的直肠脱垂患者,经书面同意后,采用三种不同类型的经经进行治疗。结果:乌杜伯经(81.8%)与古古鲁经(81.8%)在镇痛方面的效果相同,但Snuhi经(63.6%)的效果较差。Udumber Kshara经(81.8%)比Snuhi Kshara经(72.7%)和Guggulu Kshara经(72.7%)更有效,两者同样显著。Udumber Kshara经(90.9%)与Guggulu Kshara经和Snuhi Kshara经相比,在减轻压痛方面显着更有效。讨论与结论:乌杜伯经治疗组疼痛和压痛较古古鲁经和Snuhi经治疗组明显减轻。Udumber Kshara经在治疗期间观察到的减少排放方面与Guggulu Kshara经同样有效,而与Snuhi Kshara经相比效果最差。在伤口愈合方面,乌杜伯Kshara经与古古鲁Kshara经同样有效。
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引用次数: 0
Neuroprotective effects of Abelmoschus moschatus seed extract on fluoride-induced myelin degeneration in developing brain of rats 沙鼠种子提取物对氟致大鼠脑髓鞘变性的神经保护作用
Pub Date : 2019-07-20 DOI: 10.22377/IJGP.V13I3.2592
K. Reddy
Aim: Fluoride at higher concentrations affects various soft tissues, including brain, heart, kidney, and other tissues in addition to dental and skeletal systems. Particularly, in brain it induces various complications such as oxidative stress, alters in the levels of neurotransmitters, and histological changes. The aim of the present study is to report the protective effects of Abelmoschus moschatus seed extract against sodium fluoride-induced neurohistological changes with particular emphasis on myelin degeneration, cell shape, size, and Gamma-aminobutyric acid (GABA) as well as aspartate alterations. In addition, antioxidants (glutathione peroxidase [GSH-Px] and superoxide dismutase [SOD]), spatial navigation, and learning ability were observed. Materials and Methods: The pregnancy confirmed Wistar rats were segregated into six groups, five subjects for each and doses started from 1st day of pregnancy. Control group received normal tap water, fluoride group fed on 20 ppm fluoridated water, 3rd group treated with NaF (20 ppm) + A. moschatus aqueous extract (AMAE) (300 mg/kg b. wt.), 4th group received NaF (20 ppm) + A. moschatus ethanolic extract (AMEE) (300 mg/kg b. wt.), and 5th and 6th groups treated with AMAE and AMEE alone. Treatment continued for 51 days (21 gestational and 30 postnatal days [PND]).On PND 1, 7, 14, 21, and 30 rat pups were sacrificed, dissected out the brain and used to assess antioxidants, GABA, aspartate and also used for histological studies. Days 21 and 30, rats were used to behavioral studies before they sacrificed. Results and Discussion: The decreased learning ability is observed in NaF exposed rats compared to control and protective groups of rats. GSH-Px activity is increased and SOD activity is decreased in fluoride received rats. Moreover, GABA and aspartate levels are increased (P < 0.001). The GABA, aspartate, and myelin have a crucial role in the maturation of brain. Decreased neural connections, networks, dendritic branches, and degenerating myelin sheath are observed in NaF intoxicated rats through H and E stain and luxol fast blue stain. These all are reverted on the administration of AMAE and AMEE toward NaF toxicity. AMEE showed good results over AMAE. Conclusion: It is concluded that the seed extract of A. moschatus possesses neuroprotective effects against fluoride toxicity.
目的:高浓度氟化物会影响各种软组织,除了牙齿和骨骼系统外,还包括大脑、心脏、肾脏和其他组织。特别是在大脑中,它会引起各种并发症,如氧化应激、神经递质水平的改变和组织学改变。本研究的目的是报道沙鼠种子提取物对氟化钠诱导的神经组织学改变的保护作用,特别强调髓鞘变性、细胞形状、大小和γ -氨基丁酸(GABA)以及天冬氨酸的改变。此外,还观察了抗氧化剂(谷胱甘肽过氧化物酶[GSH-Px]和超氧化物歧化酶[SOD])、空间导航能力和学习能力。材料与方法:将确认妊娠的Wistar大鼠分为6组,每组5只,从妊娠第1天开始给药。对照组为普通自来水,氟组为20 ppm氟化水,第三组为NaF (20 ppm) + A. moschatus水提取物(AMAE) (300 mg/kg b. wt.),第四组为NaF (20 ppm) + A. moschatus乙醇提取物(AMEE) (300 mg/kg b. wt.),第五组和第六组分别为AMAE和AMEE。治疗持续51天(妊娠期21天,产后30天)。在PND 1、7、14、21和30只大鼠幼崽被处死,解剖出大脑,用于评估抗氧化剂、GABA、天冬氨酸和组织学研究。第21天和第30天,大鼠在牺牲前进行行为学研究。结果与讨论:与对照组和保护组相比,NaF暴露大鼠的学习能力下降。氟中毒大鼠GSH-Px活性升高,SOD活性降低。GABA和天冬氨酸水平升高(P < 0.001)。GABA、天冬氨酸和髓磷脂在脑成熟过程中起着至关重要的作用。H、E染色和luxol耐晒蓝染色观察到NaF中毒大鼠神经连接、网络、树突分支减少,髓鞘退化。这些都是在使用AMAE和AMEE对NaF毒性的影响下恢复的。AMEE效果优于AMAE。结论:沙蚕种子提取物具有抗氟毒性的神经保护作用。
{"title":"Neuroprotective effects of Abelmoschus moschatus seed extract on fluoride-induced myelin degeneration in developing brain of rats","authors":"K. Reddy","doi":"10.22377/IJGP.V13I3.2592","DOIUrl":"https://doi.org/10.22377/IJGP.V13I3.2592","url":null,"abstract":"Aim: Fluoride at higher concentrations affects various soft tissues, including brain, heart, kidney, and other tissues in addition to dental and skeletal systems. Particularly, in brain it induces various complications such as oxidative stress, alters in the levels of neurotransmitters, and histological changes. The aim of the present study is to report the protective effects of Abelmoschus moschatus seed extract against sodium fluoride-induced neurohistological changes with particular emphasis on myelin degeneration, cell shape, size, and Gamma-aminobutyric acid (GABA) as well as aspartate alterations. In addition, antioxidants (glutathione peroxidase [GSH-Px] and superoxide dismutase [SOD]), spatial navigation, and learning ability were observed. Materials and Methods: The pregnancy confirmed Wistar rats were segregated into six groups, five subjects for each and doses started from 1st day of pregnancy. Control group received normal tap water, fluoride group fed on 20 ppm fluoridated water, 3rd group treated with NaF (20 ppm) + A. moschatus aqueous extract (AMAE) (300 mg/kg b. wt.), 4th group received NaF (20 ppm) + A. moschatus ethanolic extract (AMEE) (300 mg/kg b. wt.), and 5th and 6th groups treated with AMAE and AMEE alone. Treatment continued for 51 days (21 gestational and 30 postnatal days [PND]).On PND 1, 7, 14, 21, and 30 rat pups were sacrificed, dissected out the brain and used to assess antioxidants, GABA, aspartate and also used for histological studies. Days 21 and 30, rats were used to behavioral studies before they sacrificed. Results and Discussion: The decreased learning ability is observed in NaF exposed rats compared to control and protective groups of rats. GSH-Px activity is increased and SOD activity is decreased in fluoride received rats. Moreover, GABA and aspartate levels are increased (P < 0.001). The GABA, aspartate, and myelin have a crucial role in the maturation of brain. Decreased neural connections, networks, dendritic branches, and degenerating myelin sheath are observed in NaF intoxicated rats through H and E stain and luxol fast blue stain. These all are reverted on the administration of AMAE and AMEE toward NaF toxicity. AMEE showed good results over AMAE. Conclusion: It is concluded that the seed extract of A. moschatus possesses neuroprotective effects against fluoride toxicity.","PeriodicalId":14055,"journal":{"name":"International Journal of Green Pharmacy","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83487309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Evaluation of in vivo rheumatoid arthritis activity of formulated capsule with different portions polyherbal ethanolic extract from selected potential Indian herbs 从选定的潜在的印度草药中提取不同比例的多草药乙醇提取物的配方胶囊的体内类风湿关节炎活性的评价
Pub Date : 2019-07-20 DOI: 10.22377/IJGP.V13I3.2595
V. Satyanarayana
Objective: Rheumatoid arthritis (RA) is a systemic disorder which involves the activation of immune system against the self-tissues. The main targets of this disease are the joints. Being systemic, the development of this disease involves different mechanisms, and thus, the exact cause of this disease remains unknown. Although different drugs have been developed, none has been found to be the cure for this disease. The present study was commenced to evaluate the in vivo anti-arthritic effect of polyherbal formulation of selected plants Polygonum glabrum, Canthium dicoccum, Ochna obtusata, and Argyreia nervosa. Materials and Methods: In vivo anti-arthritic activity of the ethanolic extract of different portions capsule formulation F4 investigated orally was assessed using complete Freund’s adjuvant-induced arthritis. Results: In complete Freund’s adjuvant-induced arthritis models, the polyherbal extract formulations significantly (P < 0.001) reduced joint and paw swelling and markedly improved body weight, hematology profile, and parameters in complete Freund’s adjuvant model. Conclusion: It could be concluded that the ethanolic extract of two different formulations holds anti-arthritic potential, supporting its traditional use in the treatment of RA.
目的:类风湿关节炎(RA)是一种涉及免疫系统对自身组织激活的全身性疾病。这种疾病的主要目标是关节。作为全身性疾病,该病的发展涉及不同的机制,因此,该病的确切病因尚不清楚。虽然已经开发出了不同的药物,但还没有发现一种能治愈这种疾病。本研究选取了一些植物,分别为光蓼、斑蝥、水银花和银银,对其多药制剂的体内抗关节炎作用进行了评价。材料与方法:采用完全弗氏佐剂诱导的关节炎法,评价口服不同部位胶囊配方F4乙醇提取物的体内抗关节炎活性。结果:在完全弗氏佐剂诱导的关节炎模型中,多草药提取物显著(P < 0.001)降低了关节和足部肿胀,显著改善了完全弗氏佐剂模型的体重、血液学特征和参数。结论:两种不同配方的乙醇提取物具有抗关节炎的潜力,支持其治疗类风湿性关节炎的传统用途。
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引用次数: 0
Exploring the nootropic effect of Juniperus recurva extract: Possible involvement of acetylcholinesterase inhibition 刺柏提取物促智作用的探讨:可能与抑制乙酰胆碱酯酶有关
Pub Date : 2019-07-20 DOI: 10.22377/IJGP.V13I3.2596
K. Kaur
Background: Currently, available therapy for the treatment of memory impairment is far from satisfactory. Therefore, the agents of natural origin may serve as potential therapies. Objective: The present study was designed to evaluate the memory-enhancing effect of Juniperus recurva extract. Materials and Methods: The methanol extract of J. recurva was prepared by Soxhlet extraction and characterized by high-performance liquid chromatography (HPLC). The in vitro antioxidant activity of the extract was corroborated by diphenyl picryl hydrazine scavenging, nitric oxide scavenging, metal chelating, and reducing power activity. Memory impairment was induced by the administration of scopolamine (1 mg/kg i.p) on 3 consecutive days to mice and assessment of memory acquisition and memory retention was done using Morris water maze test, passive avoidance test, elevated plus maze test, and light and dark box test, motor coordination was evaluated using the rotarod test and inclined plane test; and depression was evaluated by forced swim test. Serum acetylcholinesterase (AChE) activity was quantified by Ellman’s method. Results: The HPLC analysis of J. recurva extract revealed gallic acid as a prominent peak. The extract was found to have an excellent antioxidant effect in all the tests employed. The in vivo studies revealed memory enhancing and improved motor coordination activity of the extract in mice. Serum AChE activity was decreased on the administration of the extract. Conclusion: The inhibition of the AChE enzyme contributes to the memory-enhancing activity of J. recurva extract.
背景:目前,记忆障碍的治疗方法还远远不能令人满意。因此,天然来源的药物可能作为潜在的治疗方法。目的:研究刺柏提取物对大鼠记忆的增强作用。材料与方法:采用索氏提取法制备红草甲醇提取物,并采用高效液相色谱法对其进行表征。通过对二苯基苦味基肼的清除作用、对一氧化氮的清除作用、金属螯合作用和还原活性证实了其体外抗氧化活性。采用东莨菪碱(1 mg/kg i.p)连续3 d诱导小鼠记忆损伤,采用Morris水迷宫、被动回避、高架+迷宫、明暗箱测试评估小鼠的记忆获得和记忆保持能力,采用旋转杆测试和斜面测试评估小鼠的运动协调性;采用强迫游泳试验评估抑郁程度。采用Ellman法测定血清乙酰胆碱酯酶(AChE)活性。结果:高效液相色谱分析显示,没食子酸为高峰。在所有的试验中发现提取物具有优异的抗氧化作用。体内实验表明,该提取物能增强小鼠的记忆,改善小鼠的运动协调能力。给药后血清乙酰胆碱酯酶活性降低。结论:对乙酰胆碱酯酶(AChE)的抑制作用参与了黑姜提取物增强记忆的作用。
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引用次数: 1
Hepatoprotective activity of Limnophila repens against paracetamol-induced hepatotoxicity in rats 对扑热息痛所致大鼠肝毒性的保护作用
Pub Date : 2019-07-20 DOI: 10.22377/IJGP.V13I3.2598
G. Venkateswarlu
Aim: The present work was performed to assess the hepatoprotective activity of Limnophila repens against paracetamol toxicity in Wistar rats. Materials and Methods: Hepatoprotective properties of the methanol extract of the whole plant had been examined on paracetamol-induced hepatotoxicity. Hepatotoxicity was evoked in albino Wistar rats by the administration of paracetamol (2 g/kg), p.o. for 7 days. The methanol extract of L. repens was administered at the doses 100–200 mg/kg/day, p.o. for 7 days. Serum analysis was performed to estimate the levels of alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, albumin, total bilirubin, cholesterol, and proteins. Histopathology studies were worked on the catalase liver samples. Results: The noxious effects of paracetamol had been considerably controlled in the extract treated groups that were demonstrated by the restoration of serum biochemical parameters to near normal levels. Conclusions: From the research, it had been figured that L. repens have significant hepatoprotective properties.
目的:本研究旨在探讨白藜芦醇对Wistar大鼠对乙酰氨基酚毒性的保护作用。材料与方法:研究了全株甲醇提取物对扑热息痛肝毒性的保护作用。研究了白化Wistar大鼠对乙酰氨基酚(2 g/kg)每日给药7 d引起的肝毒性。给药剂量为100 ~ 200 mg/kg/d,每日一次,连续7 d。进行血清分析以估计丙氨酸转氨酶、天冬氨酸转氨酶、碱性磷酸酶、白蛋白、总胆红素、胆固醇和蛋白质的水平。对过氧化氢酶肝标本进行了组织病理学研究。结果:对乙酰氨基酚提取物处理组的毒副作用得到明显控制,血清生化指标恢复到接近正常水平。结论:通过研究发现,苦参草具有明显的保肝作用。
{"title":"Hepatoprotective activity of Limnophila repens against paracetamol-induced hepatotoxicity in rats","authors":"G. Venkateswarlu","doi":"10.22377/IJGP.V13I3.2598","DOIUrl":"https://doi.org/10.22377/IJGP.V13I3.2598","url":null,"abstract":"Aim: The present work was performed to assess the hepatoprotective activity of Limnophila repens against paracetamol toxicity in Wistar rats. Materials and Methods: Hepatoprotective properties of the methanol extract of the whole plant had been examined on paracetamol-induced hepatotoxicity. Hepatotoxicity was evoked in albino Wistar rats by the administration of paracetamol (2 g/kg), p.o. for 7 days. The methanol extract of L. repens was administered at the doses 100–200 mg/kg/day, p.o. for 7 days. Serum analysis was performed to estimate the levels of alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, albumin, total bilirubin, cholesterol, and proteins. Histopathology studies were worked on the catalase liver samples. Results: The noxious effects of paracetamol had been considerably controlled in the extract treated groups that were demonstrated by the restoration of serum biochemical parameters to near normal levels. Conclusions: From the research, it had been figured that L. repens have significant hepatoprotective properties.","PeriodicalId":14055,"journal":{"name":"International Journal of Green Pharmacy","volume":"49 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79804448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Phytochemical and in vitro thrombolytic activity evaluation of Cassia siamea L., Leguminosae leaf extracts, and pyrogallol 决明子、豆科植物叶提取物和邻苯三酚的植物化学和体外溶栓活性评价
Pub Date : 2019-07-20 DOI: 10.22377/IJGP.V13I3.2591
M. Vani
Aim: The aim of the study was to carry out total phenolic content determination followed by in vitro thrombolytic studies of aqueous and alcoholic extracts of Cassia siamea L., extracts and pyrogallol. Materials and Methods: The plant leaf aqueous and alcoholic extractive values, preliminary phytochemical screening followed by total phenolic content was determined. Further, the plant extracts and one of the plant active constituents’ pyrogallol were studied for in vitro thrombolytic activity using streptokinase (SK) as standard in human venous blood. Results and Discussion: The extractive values were found to be 15.0 and 13.2 w/w for aqueous and alcoholic extracts. The plant extracts showed the presence of phenolics and flavonoids. The total phenolic components present in aqueous and alcoholic extracts were found to be 3 mg/g and 0.3 mg/g equivalent of pyrogallol. The aqueous extract contains more amount of phenolic substances than alcoholic extract. The percentage clot lysis was found to be 2.25% in standard SK, 14.50% in aqueous extract, 18% in the ethanolic extract, and 17.75% in pyrogallol, respectively. The ethanolic extract exhibited better thrombolytic activity than aqueous extract. Pyrogallol also exhibited equivalent thrombolytic activity compared to standard. Conclusion: The results indicate that ethanolic extract exhibited thrombolytic activity which may be due to hydrolysable tannin pyrogallol. Further studies are required to isolate the responsible component from the ethanolic extract and pyrogallol can be studied for mechanism of action studies
目的:测定决明子水提液、醇提液、邻苯三酚的总酚含量,并进行体外溶栓研究。材料与方法:对植物叶片进行水提液和醇提液的提取,初步筛选后测定总酚含量。此外,以链激酶(SK)为标准,研究了植物提取物和其中一种活性成分邻苯三酚在人静脉血中的体外溶栓活性。结果与讨论:水提液和醇提液的提取值分别为15.0和13.2 w/w。植物提取物中含有酚类物质和类黄酮。发现在水和醇提取物中存在的总酚成分分别相当于邻苯三酚3 mg/g和0.3 mg/g。水提物比醇提物含有更多的酚类物质。血块溶解率在标准SK中为2.25%,在水提物中为14.50%,在乙醇提物中为18%,在邻苯三酚中为17.75%。乙醇提取物的溶栓活性优于水提取物。与标准相比,邻苯三酚也表现出相同的溶栓活性。结论:乙醇提取物具有溶栓活性,其作用可能与邻苯三酚的单宁水解有关。需要进一步研究从乙醇提取物中分离出有效成分,并对邻苯三酚进行作用机理研究
{"title":"Phytochemical and in vitro thrombolytic activity evaluation of Cassia siamea L., Leguminosae leaf extracts, and pyrogallol","authors":"M. Vani","doi":"10.22377/IJGP.V13I3.2591","DOIUrl":"https://doi.org/10.22377/IJGP.V13I3.2591","url":null,"abstract":"Aim: The aim of the study was to carry out total phenolic content determination followed by in vitro thrombolytic studies of aqueous and alcoholic extracts of Cassia siamea L., extracts and pyrogallol. Materials and Methods: The plant leaf aqueous and alcoholic extractive values, preliminary phytochemical screening followed by total phenolic content was determined. Further, the plant extracts and one of the plant active constituents’ pyrogallol were studied for in vitro thrombolytic activity using streptokinase (SK) as standard in human venous blood. Results and Discussion: The extractive values were found to be 15.0 and 13.2 w/w for aqueous and alcoholic extracts. The plant extracts showed the presence of phenolics and flavonoids. The total phenolic components present in aqueous and alcoholic extracts were found to be 3 mg/g and 0.3 mg/g equivalent of pyrogallol. The aqueous extract contains more amount of phenolic substances than alcoholic extract. The percentage clot lysis was found to be 2.25% in standard SK, 14.50% in aqueous extract, 18% in the ethanolic extract, and 17.75% in pyrogallol, respectively. The ethanolic extract exhibited better thrombolytic activity than aqueous extract. Pyrogallol also exhibited equivalent thrombolytic activity compared to standard. Conclusion: The results indicate that ethanolic extract exhibited thrombolytic activity which may be due to hydrolysable tannin pyrogallol. Further studies are required to isolate the responsible component from the ethanolic extract and pyrogallol can be studied for mechanism of action studies","PeriodicalId":14055,"journal":{"name":"International Journal of Green Pharmacy","volume":"120 38","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91403521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
High-performance liquid chromatography analysis of gallic acid and kaempferol in chloroform and ethanol extract of Cassia hirsuta seeds 决明子氯仿和乙醇提取物中没食子酸和山奈酚的高效液相色谱分析
Pub Date : 2019-07-20 DOI: 10.22377/IJGP.V13I3.2594
M. Shalavadi
Aim: The present study aim was to analyze the gallic acid and kaempferol in chloroform and ethanol extract of Cassia hirsuta seeds by high-performance liquid chromatography (HPLC) method. Materials and Methods: In this study, the HPLC analysis of gallic acid and kaempferol was done by selected HPLC methods and these were validated for linearity, precision, limit of detection, limit of quantitation, repeatability, and reproducibility. The corresponding concentration of gallic acid and kaempferol against respective peak area values was determined using the gallic acid and kaempferol calibration curves, respectively. Results: In results, it was found that the linearity was good with regression equation y=36934x−10162 and y=61050x−9395.5 for gallic acid and kaempferol, respectively, and the correlation coefficient (R2) was 0.9982 and 0.9992, respectively. Percentage relative standard deviation of 1.6% and 0.71% for gallic acid and kaempferol, respectively, indicates the high precision. Ethanol extract of C. hirsuta shows high content of both gallic acid and kaempferol as compared to chloroform extract of C. hirsuta. Conclusion: In the present study, gallic acid and kaempferol content were determined in ethanol and chloroform extract of C. hirsuta. The developed HPLC methods have enabled rapid, linear, accurate, and reproducible analysis in these two extracts of C. hirsuta.
目的:采用高效液相色谱法分析决明子氯仿及乙醇提取物中没食子酸和山奈酚的含量。材料与方法:本研究选择HPLC方法对没食子酸和山奈酚进行HPLC分析,并对其线性度、精密度、检出限、定量限、重复性和再现性进行验证。利用没食子酸和山奈酚的标定曲线分别测定了没食子酸和山奈酚的峰面积对应浓度。结果:没食子酸和山奈酚的线性关系良好,分别为y=36934x−10162和y=61050x−9395.5,相关系数(R2)分别为0.9982和0.9992。没食子酸和山奈酚的相对标准偏差分别为1.6%和0.71%,具有较高的精密度。毛缕草乙醇提取物的没食子酸和山奈酚含量均高于氯仿提取物。结论:本研究测定了毛草乙醇和氯仿提取物中没食子酸和山奈酚的含量。所建立的高效液相色谱分析方法能够快速、线性、准确、重现性好。
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International Journal of Green Pharmacy
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