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Potential of Prospective Medicinal Plants of Bangladesh for the Complementary Management of COVID-19 孟加拉国未来药用植物在COVID-19补充管理中的潜力
Pub Date : 2022-01-31 DOI: 10.3329/bpj.v25i1.57845
S. Shahriar, M. Sarker, Mahfuza Afroz Soma, Tabassum Jannat, Sadia Tasnim Mina, Rabita Rahman, M. S. Rahman, M. Rashid
The COVID-19 pandemic, caused by the SARS-CoV-2 virus, has been a healthcare disaster because of the unique and distinct characteristics of the pathogen, the easy and rapid transmission of the virus from humans to humans, the challenges in diagnosis and confirmation of the disease and the inability to invent and distribute safe and effective drugs or vaccines worldwide that would work against all the variants of coronavirus. Bangladesh, despite being a third-world country with limited health resources, has not been one of the worst-hit countries in the world but has still suffered with the loss of nearly eleven thousand people. Traditional and herbal remedies have become popular in this sub-continent since long ago and used for the treatment and management of different diseases including infectious disease. In this review, we have summarized the reports of immunostimulating, anti-inflammatory, antiviral, and respiratory distress syndrome improving activities of prospective indigenous plants of Bangladesh that may be recommended for use as complementary and alternative medicine or may be potential sources for the discovery and development of anti-COVID-19 medicaments. Thus, the review will be beneficial for the researchers, complementary and alternative medicines or herbal medicine manufacturers, formulators to find out and manage the potential herbal/nutraceutical/medicinal agents for the preparation of complementary and alternative medicines, as well as to the scientist for further research for the discovery and development of therapeutics/new drugs for the prevention and treatment of COVID-19 as well as other viral infections.Bangladesh Pharmaceutical Journal 25(1): 89-114, 2022 (January)
由SARS-CoV-2病毒引起的COVID-19大流行是一场卫生保健灾难,因为该病原体具有独特而鲜明的特征,病毒在人与人之间容易而快速地传播,在诊断和确认该疾病方面存在挑战,以及无法在全球范围内发明和分发安全有效的药物或疫苗来对抗所有冠状病毒变种。孟加拉国虽然是一个卫生资源有限的第三世界国家,但它并不是世界上受灾最严重的国家之一,但仍然损失了近1.1万人。传统和草药疗法很久以前就在这个次大陆流行起来,用于治疗和管理包括传染病在内的各种疾病。在这篇综述中,我们总结了关于免疫刺激、抗炎、抗病毒和改善呼吸窘迫综合征活性的报告,这些报告可能被推荐用作补充和替代药物,或者可能是发现和开发抗covid -19药物的潜在来源。因此,审查将有利于研究人员、补充和替代药物或草药制造商、配方师发现和管理用于制备补充和替代药物的潜在草药/营养/药物制剂,也有利于科学家进一步研究发现和开发用于预防和治疗COVID-19以及其他病毒感染的疗法/新药。孟加拉国药学杂志25(1):89- 114,2022(1月)
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引用次数: 3
In vitro Antioxidant and In vivo Analgesic Activities of Citrullus lanatus Rind and Flesh Extract: A Comparison 瓜皮和瓜肉提取物体外抗氧化和体内镇痛活性的比较
Pub Date : 2022-01-31 DOI: 10.3329/bpj.v25i1.57842
M. A. Islam, S. Shahriar, Tanveer Hossain, K. Sikdar, Asm Monjur Al Hossain, Md. Raihan Sarkar, M. Ali
The present study was carried out to assess and compare the analgesic and antioxidant potential of Citrullus lanatus rind and flesh extract. The methanolic extract of the rind and ethyl acetate extract of the flesh were evaluated for their in vivo analgesic activity through the acetic acid-induced writhing method on Swiss Albino mice. The free radical scavenging activity of the extracts was measured by total phenolic content measurement and the DPPH method. The flesh extract showed higher antioxidant activity than the rind extract in both methods. In case of the evaluation of analgesic activity, the results were obtained in a dose dependent manner. At 200 and 400 mg/kg doses, both extracts displayed moderate analgesic property in a statistically significant manner (p < 0.05) with respect to aceclofenac sodium. The flesh extract was found to provide a better effect than the rind extract in this case as well. It may be concluded that the ethyl acetate extract of C. lanatus flesh and the methanolic extract of the rind possessed potential antioxidant and analgesic activities and might be used as sources of nutraceuticals or functional foods.Bangladesh Pharmaceutical Journal 25(1): 67-72, 2022 (January)
本研究对瓜皮和瓜肉提取物的镇痛和抗氧化作用进行了评价和比较。采用醋酸扭体法对瑞士白化病小鼠体内镇痛活性进行了评价。采用总酚含量测定法和DPPH法测定提取物的自由基清除能力。在两种方法中,果肉提取物的抗氧化活性均高于果皮提取物。在评估镇痛活性的情况下,结果以剂量依赖的方式获得。在200和400 mg/kg剂量下,两种提取物均表现出中等的镇痛作用,与乙酰氯芬酸钠相比,具有统计学意义(p < 0.05)。在这种情况下,果肉提取物被发现比果皮提取物提供更好的效果。由此可见,枸杞果肉的乙酸乙酯提取物和枸杞果皮的甲醇提取物具有潜在的抗氧化和镇痛活性,可作为保健品或功能食品的原料。孟加拉国药学杂志25(1):67-72,2022(1月)
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引用次数: 3
Hospital Pharmacy Practice and Drug Management System of Khulna Division, Bangladesh: Results from a Cross-sectional Study 孟加拉国库尔纳区医院药学实践和药品管理制度:一项横断面研究的结果
Pub Date : 2022-01-31 DOI: 10.3329/bpj.v25i1.57840
Asma Akhter, Safayet Jamil, Md. Jamal Hossain, Md. Monirul Islam, Quazi Istiaque Bari, Ms Afroza Sultana
Hospital pharmacy and graduate pharmacists are part and parcel of a proper healthcare system. This study aims to assess Bangladesh's current hospital pharmacy practice and drug management system. A face-to-face interview-based survey was designed, and 15 hospitals of Khulna Division of Bangladesh were subjected to evaluation by a close-ended questionnaire containing 17 questions regarding hospital pharmacy practice and drug management system. Among 15 hospitals, 67% had hospital pharmacy services, whereas 47% had “C” grade pharmacists, and 53% of hospitals had no narcotic drug locker. Surprisingly, 87% of hospitals had no PTC (pharmacy and therapeutic committee), and 40% had no control over drug abuse. Besides, only 6.67% of hospitals had graduate pharmacists (A grade pharmacists), and 33% had no pharmacists. Furthermore, 67% of hospitals provided drug-using information, and 60% of hospitals provided no dosing information to their patients. Moreover, 40% did not maintain the record for expired products and had no “not for sale” tag for expired or damaged medicines. The current study findings suggest that the respective authorities must revisit the current healthcare system and take immediate initiatives to appoint graduate pharmacists in every hospital to improve the medical service with a proper drug management system.Bangladesh Pharmaceutical Journal 25(1): 44-53, 2022 (January)
医院药房和研究生药剂师是一个适当的医疗保健系统的重要组成部分。本研究旨在评估孟加拉国目前的医院药房实践和药品管理制度。设计了一项面对面访谈调查,通过包含17个关于医院药房实践和药品管理系统问题的封闭式问卷对孟加拉国库尔纳地区的15家医院进行了评估。15家医院中有医院药学服务的占67%,有“C”级药师的占47%,没有麻醉药品储物柜的占53%。令人惊讶的是,87%的医院没有PTC(药学和治疗委员会),40%的医院没有对药物滥用的控制。有研究生药师(A级药师)的医院仅占6.67%,无药师的医院占33%。此外,67%的医院提供药物使用信息,60%的医院不向患者提供剂量信息。此外,40%的过期药品没有保存记录,过期或损坏药品没有“禁止销售”标签。目前的研究结果表明,有关当局必须重新审视现行的医疗保健制度,并立即采取措施,在每家医院任命研究生药剂师,以适当的药物管理制度改善医疗服务。孟加拉国药学杂志25(1):44- 53,2022(1月)
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引用次数: 1
Evaluation of α-Amylase Inhibitory, Antioxidant and Cytotoxic Activities of Mimusops elengi Seeds 蜜豆种子α-淀粉酶抑制、抗氧化及细胞毒活性评价
Pub Date : 2022-01-31 DOI: 10.3329/bpj.v25i1.57836
A. Mamun, S. Easmin, A. Ahmed, Md. Rezaul Haque Ansary, Wasim Bary, Md Shahed Zaman, H. Haq
Mimusops elengi Linn., locally known as “Bakul, is a commonly used medicinal plant in Bangladesh to treat several maladities. The purpose of this study was to investigate the antioxidant, α-amylase inhibitory and cytotoxic activity of four different solvent fractions such as petroleum ether, chloroform, ethyl acetate, and water of M. elengi seed. In this study, the high ferric reducing (1.74 ± 0.005) and DPPH free radical scavenging activity (IC50 39.49 ± 0.05 μg/ml) was observed in the ethyl acetate fraction. The highest amount of flavonoid content (1059.80 ± 2.15 mg of CE/g) and total antioxidant capacity (0.17 ± 0.005) was present in chloroform fraction. On the other hand, the ethyl acetate fraction exhibited the highest total phenolic content (182.90 ± 0.38 mg of GAE/g). Crude methanolic extract showed highest inhibition of α-amylase with IC50 value of 4.09 ± 0.08 mg/ml. The brine shrimp lethality bioassay of ethyl acetate fraction exhibited maximum toxicity with low LD50 value 127.10 μg/ml. Thus, extracts of M. elengi seed could be a source of antioxidant, cytotoxic and α-amylase inhibitory activity containing compounds.Bangladesh Pharmaceutical Journal 25(1): 16-25, 2022 (January)
米索普·埃伦吉·林。它在当地被称为“巴库尔”,是孟加拉国常用的药用植物,可以治疗几种疾病。研究了石油醚、氯仿、乙酸乙酯和水等4种不同溶剂组分的抗氧化活性、α-淀粉酶抑制活性和细胞毒活性。在本研究中,乙酸乙酯部位具有较高的铁还原活性(1.74±0.005)和DPPH自由基清除活性(IC50为39.49±0.05 μg/ml)。黄酮类化合物含量最高(1059.80±2.15 mg CE/g),总抗氧化能力最高(0.17±0.005)。乙酸乙酯部分总酚含量最高(182.90±0.38 mg GAE/g)。粗甲醇提取物对α-淀粉酶的抑制作用最强,IC50值为4.09±0.08 mg/ml。乙酸乙酯部分的盐水对虾毒力生物测定结果显示,其毒性最大,LD50值为127.10 μg/ml。因此,青霉种子提取物可能是含有抗氧化、细胞毒和α-淀粉酶抑制活性化合物的来源。孟加拉国药学杂志25(1):16- 25,2022(1月)
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引用次数: 1
Evaluation of Biological Activities of Methanolic Extract of Leaves of Bruguiera gymnorhiza (L.) Lam.: In vivo Studies using Swiss Albino Mice Model 木榄叶甲醇提取物的生物活性评价林。:瑞士白化病小鼠模型的体内研究
Pub Date : 2022-01-31 DOI: 10.3329/bpj.v25i1.57837
Md. Ashraful Islam, Safaet Alam, Tanoy Saha, F. Akter, H. Hasnat, A. Zaman, Sagar Ghosh, M. Rashid
Leaves of Bruguiera gymnorhiza (L.) Lam. are very popular traditional remedies used by tribal people of Bangladesh near to Sundarbans. The purpose of this work was to assess the pharmacological attributes of methanolic extract of leaves of B. gymnorrhiza employing mice model. Using the well-known tail tipping method, the in vivo glucose-lowering ability of methanolic extract of leaves of B. gymnorrhiza was investigated. The writhing experiment was performed to determine peripheral analgesic activity. The anti-diarrheal activity was determined utilizing the castor oil-induced diarrhea in the mice model. In consequence, oral treatment of the extract at 400 mg/kg b.w. dose caused significant suppression of acetic acid-induced writhing (58.33%). The findings were comparable to the corresponding standard diclofenac (50 mg/kg b.w.) that exhibited 86.67% inhibition of abdominal writhing. Besides, after 180 min of oral ingestion (400 mg/kg) of the extract, the maximum reduction in blood glucose (38.46%) was found, compared to standard glibenclamide (73.67%). Furthermore, when compared to conventional loperamide (65.06%), there was a 40.02% reduction in diarrheal feces at 400 mg/kg b.w. dose. The methanolic extract of leaves of B. gymnorrhiza has strong peripheral analgesic and anti-diarrheal efficacy, as well as modest glucose-lowering effect, according to these in vivo bioassays. Further studies are still recommended to isolate bioactive molecules in order to develop novel drug moieties.Bangladesh Pharmaceutical Journal 25(1): 26-31, 2022 (January)
木榄叶(L.)林。是孙德尔本斯附近的孟加拉国部落人民非常流行的传统疗法。本研究采用小鼠模型对裸子叶甲醇提取物的药理作用进行了研究。采用著名的翘尾法,研究了木榄叶甲醇提取物的体内降糖能力。采用扭体实验测定外周镇痛活性。采用蓖麻油致腹泻小鼠模型,测定其抗腹泻活性。结果表明,口服400 mg/kg b.w.的提取物对醋酸致扭体有明显的抑制作用(58.33%)。结果与相应的标准双氯芬酸(50 mg/kg b.w.)相当,显示出86.67%的腹部扭动抑制。此外,与标准格列本脲(73.67%)相比,口服400 mg/kg提取物180 min后,血糖下降幅度最大(38.46%)。此外,与常规洛哌丁胺(65.06%)相比,400 mg/kg b.w.剂量的腹泻粪便减少40.02%。体内生物实验结果表明,木榄叶甲醇提取物具有较强的外周镇痛和抗腹泻作用,并有一定的降血糖作用。进一步的研究仍建议分离生物活性分子,以开发新的药物部分。孟加拉国药学杂志25(1):26-31,2022(1月)
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引用次数: 3
Hypoglycemic and Hypolipidemic Activities of Bile of Bangladeshi Labeo rohita on Streptozotocin (STZ) - Induced Diabetic Rats 孟加拉拉贝胆汁对链脲佐菌素(STZ)诱导的糖尿病大鼠的降血糖和降血脂活性
Pub Date : 2022-01-31 DOI: 10.3329/bpj.v25i1.57838
R. Ahamed,, A. Shanta, I. Bulbul, Md Mahbubur Rahman Tanim, M. Kuddus, M. Rashid
Diabetes mellitus (DM) is one of the most commonly diagnosed condition all over the world. Fish is a typical delicacy and one of the most nutritious foods available. Fresh fish bile, according to various indigenous healthcare professionals in Bangladesh, has anti-diabetic effects and its importance in the treatment or management of diabetes and cardiovascular illnesses has also been documented in few recent studies. The goal of this work was to test the hypoglycemic potential of Labeo rohita bile content in order to objectively validate this folklore claim. In this study, in-vivo investigation of the hypoglycemic and hypolipidemic activities of L. rohita bile was performed against a streptozotocininduced diabetic rat model. Rats were given bile extract at doses of 0.08 ml/kg body weight and 0.16 ml/kg body weight for one week. Here, metformin HCl (100 mg/kg body weight) was used as reference standard. Both the doses of bile extract exhibited significant hypoglycemic effect (p<0.05) compared to control as well as untreated diabetic control rats. Total cholesterol (TC), triglyceride (TG), low density lipoprotein cholesterol (LDL-C) and high-density lipoprotein cholesterol (HDL-C) levels were also investigated from blood samples followed by 7 days of therapy. The results revealed that both doses of L. rohita bile bear a significant hypolipidemic effect. This study could be beneficial in diabetic and hyperlipidemia conditions.Bangladesh Pharmaceutical Journal 25(1): 32-37, 2022 (January)
糖尿病(DM)是世界上最常见的疾病之一。鱼是一种典型的美味,也是最有营养的食物之一。根据孟加拉国各种土著保健专业人员的说法,新鲜鱼胆汁具有抗糖尿病作用,最近的几项研究也记录了其在治疗或管理糖尿病和心血管疾病方面的重要性。本工作的目的是为了客观地验证这一民间传说的说法,以测试拉比奥罗希塔胆汁含量的降糖潜力。在本研究中,采用链脲佐菌素诱导的糖尿病大鼠模型,对罗氏乳杆菌胆汁的降血糖和降血脂活性进行了体内研究。大鼠按0.08 ml/kg体重和0.16 ml/kg体重剂量给予胆汁提取物,连续1周。这里以盐酸二甲双胍(100 mg/kg体重)作为参考标准。与对照组和未治疗的糖尿病对照组相比,两种剂量的胆汁提取物均表现出显著的降糖作用(p<0.05)。治疗7天后,检测患者血液中总胆固醇(TC)、甘油三酯(TG)、低密度脂蛋白胆固醇(LDL-C)和高密度脂蛋白胆固醇(HDL-C)水平。结果表明,两种剂量的罗氏乳杆菌胆汁均具有显著的降血脂作用。这项研究可能对糖尿病和高脂血症患者有益。孟加拉国药学杂志25(1):32- 37,2022(1月)
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引用次数: 0
A Cross-sectional Study on Breast Cancer among the Bangladeshi Female Population 孟加拉女性乳癌横断面研究
Pub Date : 2022-01-31 DOI: 10.3329/bpj.v25i1.57841
Faria Nasrin, M. Islam, Md Elias Al Mamun
The goal of the study was to analyze Bangladeshi women's knowledge of breast cancer and attitudes toward breast self-examination (BSE) practice along with the participants' trust in the breast cancer treatment facility in Bangladesh. The cross-sectional study was carried out between March and July of 2021 among 268 Bangladeshi women over the age of 15 through Google form-based questionnaire who were asked 18 questions about breast cancer. The acquired data were analyzed using SPSS version 25 and Excel. The 88% of those surveyed had heard of breast cancer, and 63.4% were aware of its symptoms. Participants' overall knowledge of breast cancer was not satisfactory, with a mean knowledge score of 3.53 on a scale of 0 to 6, and 40.3% fell into the "good knowledge" category. Age, education, residence, and a family history of breast cancer were significant predictors of knowledge level. Only 53% had heard of BSE before, and only 29.5% admitted to being familiar with the BSE technique. Only 23.5% had previously conducted BSE. Only 11.2% of those polled had faith in Bangladesh's breast cancer treatment facilities. Based on the findings of this study, it can be assumed that the majority of women in Bangladesh have minimal understanding of breast cancer, the most common cancer among Bangladeshi women. It is high time to take the required steps to raise awareness about breast cancer and BSE. Furthermore, widespread access to mammograms, radiation, and oncology treatment should be ensured in an attempt to restore faith in healthcare facilities.Bangladesh Pharmaceutical Journal 25(1): 54-66, 2022 (January)
该研究的目的是分析孟加拉国妇女对乳腺癌的知识和对乳房自我检查(BSE)实践的态度,以及参与者对孟加拉国乳腺癌治疗机构的信任。这项横断面研究是在2021年3月至7月期间对268名15岁以上的孟加拉国女性进行的,她们通过bbb10表格问卷调查了18个关于乳腺癌的问题。采用SPSS version 25和Excel对所得数据进行分析。88%的受访者听说过乳腺癌,63.4%的人知道乳腺癌的症状。参与者对乳腺癌的总体认知不理想,在0 - 6分的范围内,平均认知得分为3.53分,40.3%的人属于“良好认知”类别。年龄、教育程度、居住地和乳腺癌家族史是乳腺癌知识水平的显著预测因子。只有53%的人以前听说过疯牛病,只有29.5%的人承认熟悉疯牛病的技术。只有23.5%的人曾患过疯牛病。只有11.2%的受访者对孟加拉国的乳腺癌治疗机构有信心。根据这项研究的结果,可以假设孟加拉国的大多数妇女对乳腺癌知之甚少,乳腺癌是孟加拉国妇女中最常见的癌症。现在是采取必要措施提高人们对乳腺癌和疯牛病的认识的时候了。此外,应确保广泛获得乳房x光检查、放射和肿瘤治疗,以努力恢复对医疗机构的信心。孟加拉国药学杂志25(1):54-66,2022(1月)
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引用次数: 0
In vitro Antioxidant and Free Radical Scavenging Activity of the Bark of Dillenia indica L. 水莲树皮体外抗氧化及自由基清除活性的研究。
Pub Date : 2022-01-31 DOI: 10.3329/bpj.v25i1.57839
Mst Jasmin Akter, R. Khatun, N. A. Khatune, A. Alam, Md Aziz Abdur Rahman
The aim of the study was to explore the antioxidant and free radical scavenging activity of bark of Dillenia indica L. The methanolic extract (CME) of coarse powder of the dried bark was fractionated with pet-ether (PETF), chloroform (CHF), and water (AQF) and each fraction was investigated for antioxidant and free radical potentials. The phenolic contents of CME, CHF, PETF and AQF were found to be 90.2, 171.1, 52.1 and 158.1 and flavonoid contents 182.6, 340.2, 285.9, and 362.6 mg of GAE/g of dried extract, respectively. The total antioxidant activity of CME, PETF, CHF, AQF and standard catechin in terms of absorbance were 0.373, 0.707, 0.88, 1.051 and 0.804, respectively at 160 μg/ml concentration indicating AQF possessing the highest total antioxidant activity. In DPPH radical scavenging activity, the AQF and CHF showed potential radical scavenging activity followed by CME and PETF with IC50 values of 1.5, 2.5, 23 and 61 μg/ml, respectively, whereas standard ascorbic acid showed IC50 at 8 μg/ml. Among the extractives, AQF and CHF exhibited potent hydroxyl radical scavenging activity with IC50 values of 49.0 and 42 μg/ml followed by CME and PETF with IC50 of 86 and 168 μg/ml, respectively. In ferric-reducing antioxidant assay, AQF, CHF and CME (absorbance 2.262, 2.418 and 2.157, respectively) showed higher activity than that of standard (1.793) followed by PETF (absorbance 0.593). Since polyphenols like flavonoids play a vital role in controlling antioxidants, polyphenol rich extracts are potent source of antioxidants. Our data showed that the chloroform fraction of the bark of D. indica provided highest polyphenols and antioxidant activities, hence, can be used further as a source of natural antioxidants.Bangladesh Pharmaceutical Journal 25(1): 38-43, 2022 (January)
摘要为探讨苦楝树皮的抗氧化和自由基清除活性,采用pet-醚(PETF)、氯仿(CHF)和水(AQF)对苦楝树皮粗粉的甲醇提取物(CME)进行分馏,考察各组分的抗氧化和自由基清除能力。其酚类含量分别为90.2、171.1、52.1和158.1 mg /g,黄酮类含量分别为182.6、340.2、285.9和362.6 mg /g。在160 μg/ml浓度下,CME、PETF、CHF、AQF和标准儿茶素的总抗氧化活性分别为0.373、0.707、0.88、1.051和0.804,表明AQF的总抗氧化活性最高。在DPPH自由基清除能力方面,AQF和CHF具有潜在的自由基清除能力,其次是CME和PETF, IC50值分别为1.5、2.5、23和61 μg/ml,而标准抗坏血酸的IC50值为8 μg/ml。其中,AQF和CHF的IC50值分别为49.0和42 μg/ml,其次是CME和PETF, IC50值分别为86和168 μg/ml。在抗氧化降铁试验中,AQF、CHF和CME(吸光度分别为2.262、2.418和2.157)的活性高于标准品(吸光度为1.793),其次是PETF(吸光度为0.593)。由于类黄酮等多酚类物质在控制抗氧化剂方面起着至关重要的作用,所以富含多酚的提取物是抗氧化剂的有效来源。我们的数据表明,黄花树皮的氯仿部分提供了最高的多酚和抗氧化活性,因此可以进一步作为天然抗氧化剂的来源。孟加拉国药学杂志25(1):38-43,2022(1月)
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引用次数: 3
Antibacterial Naphthaquinones from Necterium sp. Inhabited in Tinospora cordifolia 堇叶Tinospora cordifolia中的耐菌属抗菌萘醌类化合物
Pub Date : 2022-01-31 DOI: 10.3329/bpj.v25i1.57844
G. Murshid, M. Sohrab, M. M. Masud, M. Mazid
Numerous biologically active metabolites have previously been obtained from endophytes including endophytic fungi. This potentiality and prospect prompted us to find out new compounds having activity against pathogenic bacteria, from fungal endophyte, Necterium sp. isolated from the leaf of Tinospora cordifolia. We cultivated and developed the fungal strains on PDA medium and extracted on ethyl acetate after 28 days. Column chromatographic technique followed by preparative TLC was utilized to isolate secondary metabolites as pure crystalline solid. Two naphthoquinones namely anhydrofusarubin (1) and fusarubin methyl ether (2) were isolated from Necterium sp. The 1H and 13C NMR spectral data of the isolated compounds were analyzed and compared with previously published values to confirm the structure of the compounds. The compounds were assessed for antibacterial activity by resazurin based microdilution assay. Both of them showed sensitivity towards gram negative Pseudomonas aeruginosa but none was active against Staphylococcus aureus, a gram positive bacteria. The MIC values against P. aeruginosa for anydrofusarubin (1) and fusarubin methyl ether (2) were found to be 32- and 64-μg/ml respectively while the standard gentamycin showed MICs of 6.25 μg/ml (for S. aureus) and 12.5 μg/ml (for P. aeruginosa). The outcomes of our study suggest that anhydrofusarubin (1) and fusarubin methyl ether (2) are beneficial lead compounds to broaden the sphere of marketed antibacterial drugs.Bangladesh Pharmaceutical Journal 25(1): 80-88, 2022 (January)
许多生物活性代谢物以前已经从内生植物中获得,包括内生真菌。这种潜力和前景促使我们从Tinospora cordifolia叶片分离的真菌内生菌Necterium sp.中发现具有抗致病菌活性的新化合物。在PDA培养基上培养培养菌株,28天后在乙酸乙酯上提取。采用柱层析-制备层析分离次生代谢物为纯结晶。从荆芥中分离得到两种萘醌,即赤霉素(1)和赤霉素甲醚(2)。对分离得到的化合物的1H和13C NMR数据进行了分析,并与先前发表的值进行了比较,以确定化合物的结构。采用瑞祖脲微稀释法测定化合物的抑菌活性。两者均对革兰氏阴性铜绿假单胞菌敏感,但对革兰氏阳性细菌金黄色葡萄球菌均无活性。赤霉素(1)和赤霉素甲醚(2)对铜绿假单胞菌的MIC值分别为32和64 μg/ml,而标准庆大霉素的MIC值分别为6.25 μg/ml(金黄色葡萄球菌)和12.5 μg/ml(铜绿假单胞菌)。本研究结果提示赤霉素(1)和赤霉素甲醚(2)是有益的先导化合物,可拓宽抗菌药物的市场范围。孟加拉国药学杂志25(1):80-88,2022(1月)
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引用次数: 0
Phytochemical and Pharmacological Evaluation of Methanolic Leaf Extract of Piper methysticum 胡椒叶甲醇提取物的植物化学和药理评价
Pub Date : 2022-01-31 DOI: 10.3329/bpj.v25i1.57843
N. Jahan, Sirajum Monira, Seba Khondokar Orna, A. Hossain
Piper methysticum G. Forst., commonly known as Kava, is a dioecious perennial herb which is traditionally an important medicinal plant. The plant is used to treat fever, respiratory diseases, seizures, and urogenital problems. The present study was designed to evaluate the antioxidant, cytotoxic, membrane stabilizing and analgesic potential of methanol extract of Piper methysticum leaf. Phytochemical screenings of the crude extract revealed the occurrence of acidic compounds, alkaloids, glycosides, reducing sugars, gums, flavonoids, and combined reducing sugars. During antioxidant activity test, the total phenolic content of methanol extract was 42.66 mg gallic acid equivalent/100 g extract and it displayed the IC50 value of 6.59 μg/ml to remove DPPH free radicals as compared to the standard butylated hydroxyl toluene (IC50 = 6.38 μg/ml). The extract showed cytotoxicity against brine shrimp nauplii with an LC50 of 60.94 μg/ml. Moreover, the test extract was found to be effective for stabilizing erythrocyte membrane against hypotonic solution induced hemolysis. The extract exhibited dose-dependent pain-relieving activity in mice. At doses of 250- and 500-mg/kg body weight, the plant sample revealed 26.9 2% and 37.95 % of reduction in pain sensation induced by acetic acid, respectively when compared to the standard diclofenac-Na (54.81%). The above results suggest that the selected plant extract possesses antioxidant, cytotoxic, membrane stabilizing and analgesic activities.Bangladesh Pharmaceutical Journal 25(1): 73-79, 2022 (January)
吹笛者。卡瓦,俗称卡瓦,是一种雌雄异株多年生草本植物,是传统上重要的药用植物。这种植物被用来治疗发烧、呼吸系统疾病、癫痫和泌尿生殖系统问题。本研究旨在评价胡椒叶甲醇提取物的抗氧化、细胞毒、膜稳定和镇痛潜能。粗提物的植物化学筛选显示,酸性化合物、生物碱、糖苷、还原糖、树胶、黄酮类化合物和组合还原糖的存在。在抗氧化活性测试中,甲醇提取物总酚含量为42.66 mg没食子酸当量/100 g提取物,与标准丁基羟基甲苯(IC50 = 6.38 μg/ml)相比,其去除DPPH自由基的IC50值为6.59 μg/ml。提取物对盐水对虾具细胞毒性,LC50为60.94 μg/ml。此外,实验发现提取物对低渗溶液诱导的溶血有稳定红细胞膜的作用。该提取物在小鼠中表现出剂量依赖性的镇痛活性。在250和500 mg/kg体重的剂量下,与标准双氯芬酸钠(54.81%)相比,乙酸诱导的疼痛感觉分别减少26.9%和37.95%。上述结果表明,所选植物提取物具有抗氧化、细胞毒、膜稳定和镇痛活性。孟加拉国药学杂志25(1):73-79,2022(1月)
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Bangladesh Pharmaceutical Journal
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