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Evaluation of Secondary Metabolites and Antibacterial Potency of the Root Extract of Lemon balm (Lamiaceae) Vegetable against Multidrug Resistant Bacteria 香蜂草根提取物对多重耐药细菌的次生代谢产物及抑菌效能评价
Pub Date : 2021-01-30 DOI: 10.31254/jsir.2021.10105
O. S
Lemon balm (Lamiaceae) vegetable is known for its aromatherapeutic properties is being used in curring many diseases. The aim of this study was to scientifically screen the medicinally active secondary metabolites and antibacterial potency of Lemon balm vegetable grown in Nigeria. Gas chromatography-mass spectrometry (GCMS) was used to analyse the extract while the antibacterial screening was carried out using agar-well diffusion method. Thirty-four (34) therapeutically active organic compounds were identified in the root extract with terpenoids and phenolic compounds representing the major class, including 2,3-bis[(9E)-9- octadecenoyloxy]propyl (9E)-9-octadecenoate (24.6%) as the major component, methyl (11E)-11-octadecenoate (11.7%), dipalmitin (10.7%), α-methyl-D-galactopyranoside (7.7%), eudesm-7(11)-en-4-ol (4.4%), 1,7,7- trimethylbicyclo[2.2.1]heptan-2-ol (3.0%), isoborneol (2.9%) and 2,6-cresotaldehyde (2.7%) as well as other minor compounds. The highest inhibitory effect of the root extract was observed against Proteus mirabilis which showed a zone of inhibition of 19 mm. The result evidently showed that the sample have several therapeutically active secondary metabolites that can be applied in the treating bacteria diseases.
柠檬香蜂草(Lamiaceae)蔬菜以其芳香治疗特性而闻名,被用于治疗许多疾病。本研究的目的是科学筛选在尼日利亚种植的柠檬香蜂属蔬菜的药用活性次生代谢物和抗菌效力。采用气相色谱-质谱法(GCMS)对提取物进行分析,并用琼脂孔扩散法进行抗菌筛选。从根提取物中鉴定出34种具有治疗活性的有机化合物,其中萜类和酚类化合物为主要成分,包括2,3-二[(9E)-9-十八烯氧基]丙基(9E)-9-十八烯酸酯(24.6%)、甲基(11E)-11-十八烯酸酯(11.7%)、双棕榈素(10.7%)、α-甲基- d -半乳酰基苷(7.7%)、丁香-7(11)-烯-4-醇(4.4%)、1,7,7-三甲基双环[2.2.1]庚烷-2-醇(3.0%)、异龙脑(2.9%)和2,6-甲酚(2.7%)以及其他少量化合物。根提取物对变形杆菌的抑制作用最大,抑制区为19 mm。结果表明,该样品具有几种具有治疗活性的次生代谢物,可应用于细菌性疾病的治疗。
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引用次数: 0
In Vitro Micropropagation of Rose (Hybrid Rosa spp.) through Plant Tissue Culture Technique 利用植物组织培养技术进行月季(杂交月季)离体繁殖
Pub Date : 2021-01-30 DOI: 10.31254/jsir.2021.10101
K. Oo, K. M. Lwin, Aye Aye Khai
Roses are the most important cut flowers in the world. Tissue culture of rose has been improved since last twenty years, and exploited for various purposes from basic anatomical and physiological research to micropropagation from auxiliary buds, shoot tips, leaf explants, etc. Single bud nodal stem segments were surface sterilized and then cultured on MS medium supplemented with 30 g/l sugar, 6 g/l agar and different concentrations of BAP(1, 2, 3, 4 and 5mg/l). Among them, the most suitable concentration for shoot initiation and multiplication was 3mg/l BAP. And it also found that the best for shoot elongation occurred in MS medium supplemented with BAP 3 mg/l and GA3 1mg/l. The proliferated microshoots were transferred to root inducing media of half strength MS medium supplemented with 15 g/l sugar, 5 g/l agar and NAA (0.5, 1, 1.5, 2 mg/l). The best rooting was observed at NAA 1 mg/l concentration. The least response in root formation was found at NAA 0.5 mg/l supplementation on half strength MS media.
玫瑰是世界上最重要的切花。近二十年来,玫瑰的组织培养得到了不断的改进,从基础的解剖生理研究到辅助芽、茎尖、叶外植体的微繁研究,都得到了广泛的应用。对单芽节茎段进行表面灭菌,然后在添加30 g/l糖、6 g/l琼脂和不同浓度BAP(1、2、3、4和5mg/l)的MS培养基上培养。其中,BAP浓度为3mg/l时芽生增殖最适宜。在添加BAP 3 mg/l和GA3 1mg/l的MS培养基中,芽伸长效果最好。将增殖后的微芽转移到添加15 g/l糖、5 g/l琼脂和NAA(0.5、1、1.5、2 mg/l)的半强度MS诱导培养基上。NAA浓度为1 mg/l时生根效果最好。在半强度MS培养基上添加NAA 0.5 mg/l对根形成的影响最小。
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引用次数: 3
Effect of labile carbon on iron reduction and phosphorus availability in two paddy soils 活性碳对两种水稻土铁还原和磷有效性的影响
Pub Date : 2021-01-30 DOI: 10.31254/jsir.2021.10102
T. M. Lynn, Tin Mar Htwe, S. Yu, E. P. Kyaw, Z. K. Latt
Phosphorus (P) limitation in acidic tropical paddy soils is thought to be contributed by the affinity of iron oxides and hydroxides for phosphorus. However, the addition of labile carbon (C) compounds appears to be stimulated iron (Fe) reduction which can release occluded P through Fe cycling. The aim of this study was to investigate the phosphorous mobilization triggered by labile C coupled to iron (Fe) cycling during flooding anaerobic conditions in two P limited paddy soils. Two concentrations (low and high) of equal mixture of glucose and oxalate were added to soil microcosms and they were incubated for one month under flooded condition. During the 30-day experiment, replicate microcosms were destructively harvested for five times and measured total Fe, Fe II, available P and pH. It was found that labile C addition significantly increased total Fe and Fe II in soil solution at early incubation period although the changes were not significant in soil. Available P in soil was not increased and steady throughout the incubation period because the added labile C may not be enough to enhance the P solubilization or available P was dissolved in soil water which we did not measure in this experiment. High amount of labile C addition significantly decreased pH at the start of incubation. pH and available P are negatively correlated at day 7 which is compatible with decreased pH can increase available P. Our results suggest that reducing conditions coupled with labile carbon inputs can stimulate iron reduction and corresponding decreased pH which can triggered soil phosphorus mobilization in P limited paddy soils.
热带酸性水稻土中磷(P)的限制被认为是由氧化铁和氢氧化物对磷的亲和力造成的。然而,不稳定碳(C)化合物的加入似乎刺激了铁(Fe)的还原,铁(Fe)可以通过铁循环释放被封闭的P。本研究的目的是研究在两种磷限制的水稻土中,在淹水厌氧条件下,活性碳与铁(Fe)循环耦合引发的磷动员。将两种浓度的葡萄糖和草酸盐等量混合物(低浓度和高浓度)加入土壤微生物中,在淹水条件下培养一个月。在30 d的试验中,对重复微生物进行5次破坏性收获,测定全铁、全铁、速效磷和ph值。结果发现,在培养初期,添加活性C显著提高了土壤溶液中全铁和全铁,但土壤中变化不显著。土壤中有效磷在整个培养期内没有增加和稳定,这可能是由于添加的活性C不足以增强磷的溶解作用,或者有效磷溶解在土壤水中,这在本试验中我们没有测量。在孵育开始时,大量添加不稳定C显著降低pH值。pH和速效磷在第7天呈负相关,这与降低pH可以增加速效磷是一致的。我们的研究结果表明,在磷限制的水稻土中,还原性条件加上稳定碳输入可以促进铁的还原和相应的pH降低,从而引发土壤磷的动员。
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引用次数: 0
Prediction of Sars-Cov-2 Main Protease Potential Inhibitors from Libyan Arbutus Pavarii Pampan Compounds: A Molecular Docking Study 巴伐利亚杨梅化合物对Sars-Cov-2主要蛋白酶潜在抑制剂的分子对接研究
Pub Date : 2020-12-30 DOI: 10.31254/jsir.2020.9401
M. El-Ashrey, Fatma A. Elshibani, Abdullah J. Alamami, Naema Elremali, M. Elderbi
The present study examined some natural active compounds contained in the Libyan Arbutus pavarii Pampan. shrub that might be used as natural inhibitors of SARS-CoV-2, the responsible causative agent of coronavirus disease 2019 (COVID-19). A molecular docking method was employed to find out the capability of the selected molecules to interact with the virus main protease. Seven flavonoids from twenty-seven compounds belonging to different classes showed a remarkable ability to bind to the main protease of the novel coronavirus. The descending order of compounds with the highest binding affinity was as follows: Saponarin, Rutin, Delphinidin3-rutinoside, Neodiosmin, Kampferol-3-O-ß-D-rutinoside, Isoquercetin, and Hyperoside. The outcomes have provided a clear insight into the structure-activity relationship of Mpro targeting agents and may assist the future design of new drug candidates for the disease.
本研究检测了利比亚杨梅中含有的一些天然活性化合物。这种灌木可能被用作2019冠状病毒病(COVID-19)的主要病原体SARS-CoV-2的天然抑制剂。采用分子对接的方法来确定所选分子与病毒主要蛋白酶相互作用的能力。来自27种不同类别化合物的7种黄酮类化合物显示出与新型冠状病毒主要蛋白酶结合的显着能力。结合亲和力最高的化合物由大到小依次为:皂苷、芦丁、飞飞蓟苷-3-芦丁苷、新薯蓣皂苷、Kampferol-3-O-ß- d -芦丁苷、异槲皮素、金丝桃苷。这些结果为Mpro靶向药物的结构-活性关系提供了清晰的见解,并可能有助于未来设计新的候选药物。
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引用次数: 0
Acid hydrolysis of untanned proteinous wastes from tannery industry in Bangladesh 孟加拉国制革工业中未鞣制的蛋白质废料的酸水解
Pub Date : 2020-09-30 DOI: 10.31254/jsir.2020.9301
M. E. Alam, N. Akter, K. Fatema, Md A K Azad, Md. Anwar Arfien Khan, Shimul Chakma
Leather tanning industry, considered one of the polluting industries, poses various environmental threats to its every sphere. It produces various types of solid wastes as well as liquid wastes. Among the solid wastes, untanned raw trimmings contribute for about 5-7% of the total quantity of raw materials processed. If suitably utilized, these by-products of tanning industry could be a useful resource for various applications. This research work deals with utilization of raw trimmings of tannery solid waste to protein hydrolysate by acetic acid with varying acid concentration, acid solution, temperature and time. The maximum about 76% protein hydrolysate was obtained at 1.5M acid concentration and 80ºC.
皮革制革行业被认为是污染行业之一,其各个领域都对环境造成了各种威胁。它产生各种类型的固体废物和液体废物。在固体废物中,未鞣制的原料废料约占加工原料总量的5-7%。如果利用得当,制革工业的这些副产品可以成为各种应用的有用资源。本文研究了在不同酸浓度、酸溶液、温度和时间条件下,利用制革固体废物的原辅料水解蛋白质。在酸浓度为1.5M、温度为80℃时,蛋白水解率最高,约为76%。
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引用次数: 6
Integrations and Interactions of Ayurveda Drugs: Review W.S.R. to Merits and Demerits 阿育吠陀药物的整合和相互作用:回顾W.S.R.的优点和缺点
Pub Date : 2020-09-30 DOI: 10.31254/jsir.2020.9302
D. S. Khot, A. Pawar, Sushil Sarjerao Satpute
Ayurveda the classical science of Indian health management mentioned different ways of disease management and utilization of natural drugs is one such way of disease management. These natural drugs offer therapeutic benefits when used alone or in combination. The Ayurveda drugs most of the times gives synergistic effects when used in combination but sometimes gives undesired biological responses therefore it is essential to take consideration of correct combination of herbal medicines to avoid chances of any adverse events. The integration of Ayurveda therapy with Yoga gives better result than any one of them used alone. Similarly, the integration of Ayurveda with modern approaches is prerequisite so that scientific concepts of classical and modern science bring together for managing incurable diseases. The interactions of drugs and integration of therapies can result better therapeutic response but safety concern of such combination is prime issue for medical philosopher.
印度健康管理的经典科学阿育吠陀提到了不同的疾病管理方式,天然药物的利用是疾病管理的一种方式。这些天然药物单独使用或联合使用都有治疗效果。阿育吠陀药物大多数时候在联合使用时会产生协同效应,但有时会产生意想不到的生物反应,因此必须考虑正确的草药组合,以避免任何不良事件的发生。阿育吠陀疗法与瑜伽的整合比任何一个单独使用的效果更好。同样,阿育吠陀与现代方法的整合是先决条件,以便将经典和现代科学的科学概念结合在一起,以管理不治之症。药物的相互作用和治疗的整合可以获得更好的治疗效果,但这种组合的安全性问题是医学哲学家的首要问题。
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引用次数: 0
Detection of abiotic stress tolerant Azotobacter species for enhancing plant growth promoting activities 提高植物促生长活性的非生物抗逆性固氮菌的检测
Pub Date : 2020-06-30 DOI: 10.31254/jsir.2020.9203
Ayme Aung, Tin May Sev, A. Mon, S. Yu
Detection of Azotobacter species AC9 was done for tolerance of high temperature and analysis of phosphate solubilizing activity, zinc solubilizing activity, hormone production activity and plant growth promoting traits on tomato seedlings. For heat stress tolerance assessment of the isolated strain, our experiment was designed to be suitable for the climate of our country. In this study, Azotobacter chroococcum was isolated from agricultural soil in Kyaukse province and identified by some biochemical characteristics and 16S rRNA sequencing. The isolated strain can tolerate high temperature up to 50 ̊ C. In phosphate solubilizing activity, the strain AC9 showed 183 µg/ml and 166 µg/ml at 5 days incubation period under normal and heat stress conditions respectively. AC9 also expressed highest IAA producing activity at 5 days incubation period for both normal and heat stress conditions. The highest IAA concentrations were 23.72 µg ml-1 (with 0.2% tryptophan), 55.55 µg ml-1 (with 0.5% tryptophan) and 17.73 µg ml-1 (with 0.2% tryptophan), 45.06 µg ml-1 (with 0.5% tryptophan) respectively. Under greenhouse condition, tomato plants inoculated with AC9 grew to a significantly greater extent than control plants.
对固氮菌AC9在番茄幼苗上的高温耐受性进行了检测,并对其增磷活性、增锌活性、激素产生活性和促生性状进行了分析。为了鉴定分离菌株的耐热性,我们设计了适合我国气候的实验。本研究从贵州农业土壤中分离到一株固氮菌,通过生化特性和16S rRNA测序对其进行鉴定。菌株AC9在正常和热胁迫条件下5 d的磷酸盐溶解活性分别为183µg/ml和166µg/ml。在正常和热胁迫条件下,AC9在孵育5 d时均表现出最高的IAA生产活性。IAA最高浓度分别为23.72µg ml-1(0.2%色氨酸)、55.55µg ml-1(0.5%色氨酸)和17.73µg ml-1(0.2%色氨酸)、45.06µg ml-1(0.5%色氨酸)。在温室条件下,接种了AC9的番茄植株生长显著高于对照植株。
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引用次数: 2
Elucidation of bioactive compounds in hydroalcohol extract of Phyllanthus amarus Schum. and Thonn. leaf using GC-MS analysis 余甘子水醇提取物中生物活性成分的研究。和Thonn。用GC-MS分析
Pub Date : 2020-06-30 DOI: 10.31254/jsir.2020.9202
G. Ajayi, Temitope J Olorunrinu, Muhin A Shittu
Phyllanthus amarus is one of the most important medicinal plant in tropical and subtropical nations which are used for stomach, liver, kidney and spleen diseases treatment. This work involves the elucidation of the phytochemical constituents in 70% ethanolic leaf extract of P. amarus. Phytochemical screening, quantitative and gas chromatography-mass spectrometry (GC-MS) analyses were carried out on the extract. The qualitative and quantitative analyses showed the presence of the following phytochemicals and their contents in mg/100g of extract as phenolic (34.31 ± 0.07), tannin (21.15 ± 0.16), phlobatanin (26.36 ± 0.19), terpernoid (14.71 ± 0.14), steroid (20.37 ± 0.13), cardiac glycoside (20.15 ± 0.19) and alkaloid (23.90±0.05), and absence of flavonoids and saponins. 9,12,15-octadecatrienoic acid, ethyl ester (Z,Z,Z)- (22.47%), Benzenamine, N-[2-(3,4- dimethoxyphenyl)ethyl]-2-nitro- (12.68%), hexadecanoic acid, ethyl ester (12.63%), Beta Tocopherol (12.63%) and phytol (12.61%) were revealed by GC-MS as the major bioactive constituents. The results of this study validated the rich bioactive constituents in P. amarus which may be the reason the plant is being used for the treatment of various ailments.
毛茛是热带和亚热带国家最重要的药用植物之一,用于治疗胃、肝、肾、脾等疾病。本工作涉及阐明70%乙醇的野檀叶提取物的植物化学成分。对提取物进行了植物化学筛选、定量和气相色谱-质谱(GC-MS)分析。定性和定量分析表明,在mg/100g提取物中,酚类化合物(34.31±0.07)、单宁(21.15±0.16)、酞菁素(26.36±0.19)、萜类化合物(14.71±0.14)、甾体(20.37±0.13)、心糖苷(20.15±0.19)、生物碱(23.90±0.05)含量较高,黄酮类和皂苷含量较低。气相色谱-质谱分析显示,9,12,15-十八碳三烯酸、乙酯(Z,Z,Z)-(22.47%)、苯胺、N-[2-(3,4-二甲氧基苯基)乙基]-2-硝基-(12.68%)、十六烷酸、乙酯(12.63%)、β -生育酚(12.63%)和叶绿醇(12.61%)为其主要活性成分。本研究的结果证实了山参中丰富的生物活性成分,这可能是该植物被用于治疗各种疾病的原因。
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引用次数: 4
Study of properties of adhesive formed by waste polystyrene 废聚苯乙烯胶粘剂的性能研究
Pub Date : 2020-06-30 DOI: 10.31254/jsir.2020.9207
Shaan Tahilramani, Dharmik R Shah, B. Patel, Chirag Vidja, Endrick Contractor
The polystyrene products involved in day to day life serve to its best as per its utility. I t possesses the several properties like Insulation, Light in weight, Cushioning, Non-Reactive Material and Non- Biodegradable. Serving multipurpose it finds wide application in food industry for food packaging, material packaging in the electrical device sector, construction sector etc. There are demerits associated with the product after use i.e. waste product disposal is the major problem incurred curre ntly. It is becoming a part of landfill and increasing the amount of solid waste. It can even harm animals that scavenge food from the landfills. Our project aims to reduce and develop methodologies to treat the polystyrene waste.
聚苯乙烯产品在日常生活中发挥着最大的效用。它具有绝缘、重量轻、缓冲、非反应性、不可生物降解等特点。用途广泛,适用于食品行业的食品包装、电器行业的材料包装、建筑行业等。使用后的产品有缺点,即废物处理是目前发生的主要问题。它正在成为垃圾填埋场的一部分,增加了固体废物的数量。它甚至会伤害那些从垃圾填埋场中寻找食物的动物。我们的项目旨在减少和开发处理聚苯乙烯废物的方法。
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引用次数: 0
Effect of Yoga in Post-Myocardial Infarction Cases 瑜伽对心肌梗死后患者的影响
Pub Date : 2020-06-30 DOI: 10.31254/jsir.2020.9205
A. Prasad, S. Bhardwaj, S. Dwivedi, Y. Arora, V. Sharma
Introduction: The prevalence of coronary artery disease (CAD) has progressively -increased in India and is the major cause of morbidity and mortality burden in the world. Several strategies are available to reduce morbidity and mortality, including the interventional approach (eg, early revascularization with PCI and stenting) and the pharmacologic approach (eg, thrombolytic and anticoagulant therapies) and yoga 1,2 The various psychological responses to experiencing myocardial infarction are anxiety reactions, depression , agoraphobia , exhaustion, hostility , sadness , anger , disgust and social withdrawal. 3 Yoga has reported to decrease these incidences. Methodology: The study included 200 patients diagnosed as MI who were divided into two groups 100 cases of control group subjected to conventional treatment and lifestyle counseling while 100 cases in test group were treated with yoga in addition to conventional treatment and lifestyle modification. The primary outcome included change in risk factors from baseline to end of study. Secondary outcome included change in Depression score and MACE at the end of the study. Result -After 24 weeks of intervention, the difference among yoga and control group was found to be significant for following parameters- weight, BMI, waist circumference, post prandial blood sugar, HBA1c, HDL cholesterol, triglyceride, total cholesterol and depression score. A significant difference was not seen for mean CIMT. Conclusion: Yoga may be a cost-effective technique to target multiple risk factors of myocardial infarction. It can be recommended along with conventional treatment for prevention and improvement of outcome in MI patients
导读:冠状动脉疾病(CAD)的患病率在印度逐渐增加,是世界上发病率和死亡率负担的主要原因。有几种策略可用于降低发病率和死亡率,包括介入方法(如PCI和支架植入术的早期血运重建)、药物方法(如溶栓和抗凝治疗)和瑜伽1,2。经历心肌梗死的各种心理反应是焦虑反应、抑郁、广场恐怖症、疲惫、敌意、悲伤、愤怒、厌恶和社交退缩。据报道,瑜伽可以降低这些发病率。方法:将200例确诊为心肌梗死的患者分为两组,对照组100例,给予常规治疗和生活方式咨询;试验组100例,在常规治疗和生活方式改变的基础上进行瑜伽治疗。主要结局包括从基线到研究结束时危险因素的变化。次要结果包括研究结束时抑郁评分和MACE的变化。结果-干预24周后,瑜伽组与对照组在以下参数上有显著差异:体重、BMI、腰围、餐后血糖、糖化血红蛋白、高密度脂蛋白胆固醇、甘油三酯、总胆固醇和抑郁评分。平均CIMT未见显著差异。结论:瑜伽可能是一种针对多种心肌梗死危险因素的经济有效的方法。它可以与常规治疗一起推荐用于预防和改善心肌梗死患者的预后
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引用次数: 2
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Journal of Scientific and Innovative Research
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