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Investigation of Microplastic Exposure to Marine Fish in the Marine Tourism Area of Makassar City 望加锡市海洋旅游区海鱼微塑料暴露调查
Pub Date : 2022-05-30 DOI: 10.30598/ijcr.2022.10-ism
Ismail Marzuki, Irham Pratama Putra
Plastic waste pollution in the marine environment triggers the formation of microplastics dissolved in seawater. Microplastics are one of the nutrients for plankton and phytoplankton. Through the food chain, microplastics can accumulate in the bodies of marine biota, until they finally reach the human body. The purpose of this research is to investigate and determine the microplastic group in fish in Makassar City KWB destinations. The method applied is maceration extraction using 70% C2H­5OH for 3 days, then extracted with N-Hexane. The non-polar extracts identified the microplastic components using FTIR spectroscopy and analyzed the types of microplastics based on their absorption spectrum images. The results of the study were that all fish samples coded PS.B.1, PS.B.2, PS.B.3, were contaminated with secondary microplastics. Types of microplastics were identified, namely PP, PVC, PE, PS, PET and PC. The microplastic contaminants are thought to be the result of community activities. The public needs to be aware of the potential for microplastic accumulation in the bodies of marine fish that are consumed. Managers of Makassar City KWB destinations are advised to apply a pattern of supervision to the community to care about waste and educate the implementation of plastic waste recycling management
海洋环境中的塑料垃圾污染引发了溶解在海水中的微塑料的形成。微塑料是浮游生物和浮游植物的营养物质之一。通过食物链,微塑料可以在海洋生物体内积累,直到它们最终到达人体。本研究的目的是调查和确定望加锡市KWB目的地鱼类中的微塑料群。采用70% C2H-5OH浸渍萃取3 d,再用正己烷萃取。非极性萃取物利用FTIR光谱识别微塑料组分,并根据其吸收光谱图像分析微塑料的类型。研究结果表明,所有鱼类样本均编码PS.B。1, PS.B。2, PS.B。3、被二次微塑料污染。确定了微塑料的种类,即PP、PVC、PE、PS、PET和PC。微塑料污染物被认为是社区活动的结果。公众需要意识到,被食用的海鱼体内可能会积聚微塑料。建议望加锡市KWB目的地的管理人员对社区实施监督模式,以关心废物并教育实施塑料废物回收管理
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引用次数: 2
The Comparison Effect of NaOH and KOH as The Leaching Solution for Silica from Two Different Coal Fly Ashes NaOH和KOH作为两种不同煤灰中二氧化硅浸出液的比较效果
Pub Date : 2022-05-30 DOI: 10.30598/ijcr.2022.10-far
Farrah Hanum Hanum, A. Rahayu, Iqbal Hapsauqi
One of the environmental problems is the waste from the coal combustion process from coal power plants or other industries that use coal as an energy source. The combustion process produces coal fly ash, which will accumulate in the environment. Subsequently, much research about the utilization of coal fly ash has been developed. Silica extraction from coal fly ash is one of the methods that can be used to utilize coal fly ash. This study carried out silica extraction using the Direct Alkaline Leaching (DAL) method. The coal ash was contacted with alkaline solvents (KOH and NaOH) with the variations of concentrations and the leaching time. The leaching solution filtrate will be precipitated with the addition of HCl. The characteristics of this silica from CFA and CFA B were analyzed by using Scanning Electron Microscopy (SEM). Based on the results, it could be known that each of the coal fly ashes has different results for both alkaline solvents. CFA A has relatively less silica extraction results in both types of solvents. Meanwhile, CFA B gave higher silica extraction results with coal fly ash and solvent contact time for one hour.
其中一个环境问题是燃煤电厂或其他使用煤炭作为能源的工业燃烧过程中产生的废物。燃烧过程中产生的粉煤灰会在环境中积累。随后,人们对粉煤灰的利用进行了大量的研究。从粉煤灰中提取二氧化硅是利用粉煤灰的一种可行方法。本研究采用直接碱浸法(DAL)提取二氧化硅。粉煤灰与碱性溶剂(KOH和NaOH)的接触随浓度和浸出时间的变化而变化。随着盐酸的加入,浸出液滤液会析出。用扫描电镜(SEM)分析了CFA和CFA B中二氧化硅的特征。由结果可知,每种粉煤灰对两种碱性溶剂的反应结果不同。CFA A在两种溶剂中的二氧化硅萃取结果相对较少。同时,在粉煤灰和溶剂接触时间为1小时的条件下,CFA B对二氧化硅的萃取效果更好。
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引用次数: 0
Phytochemical Screening and TLC Profiling of Combination Extracts of Avocado (Persea americana Mill.) and Papaya (Carica papaya) Leaves from Timor Island 帝汶岛鳄梨(Persea americana Mill.)和木瓜(Carica Papaya)叶组合提取物的植物化学筛选和TLC分析
Pub Date : 2022-05-30 DOI: 10.30598/ijcr.2022.10-boe
Marianus M. Kafelau, Aloisius Masan Kopon, Anselmus Boy Baunsele, Maria Benediktas Tukan, Maria Aloisia Uron Leba, Faderina Komisia, Erly Grizca Boelan
Traditionally in the village of Alor, East Nusa Tenggara Province, a combination of avocado and papaya leaves is often used to treat malaria. To be able to be developed as an ingredient in traditional medicine, it is necessary to conduct preliminary research to determine the content of secondary metabolites contained in the combination of avocado and papaya leaves. This study aims to determine the secondary metabolites contained in avocado and papaya leaves through phytochemical screening and Thin Layer Chromatography (TLC) analysis. Extraction was carried out using methanol solvent by maceration, and the extract yield was 91.4%. Testing the content of secondary metabolites in avocado and papaya leaf extracts was carried out by phytochemical screening. Furthermore, the TLC test was carried out to confirm the presence of a positive group of compounds on phytochemical screening, and to determine the chromatographic profile of the extract. After being tested by phytochemical and TLC analysis, the extract contains several metabolites, including flavonoids, alkaloids, tannins, saponins, and steroids. The TLC system used in this study can separate the phytochemical content and give positive results that confirm the results of the phytochemical screening.
传统上,在东努沙登加拉省的Alor村,牛油果和木瓜叶的组合通常用于治疗疟疾。为了使牛油果与木瓜叶的组合物能够作为传统药物的成分进行开发,有必要对其次生代谢物的含量进行初步研究。本研究旨在通过植物化学筛选和薄层色谱(TLC)分析,确定牛油果和木瓜叶片中含有的次生代谢产物。采用甲醇溶剂浸渍提取,提取率为91.4%。采用植物化学筛选法测定了牛油果和木瓜叶提取物中次生代谢产物的含量。此外,进行薄层色谱测试,以确认植物化学筛选阳性组化合物的存在,并确定提取物的色谱谱。经过植物化学和薄层色谱分析,提取物含有几种代谢物,包括黄酮类化合物、生物碱、单宁、皂苷和类固醇。本研究使用的薄层色谱系统可以分离植物化学成分,并给出阳性结果,证实了植物化学筛选的结果。
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引用次数: 1
The Interaction Mechanism of Papaya Seeds (Carica papaya L.) as a Natural Coagulant and Remazol Red Under Different pH Conditions 木瓜种子(Carica Papaya L.)作为天然混凝剂与利马唑红在不同pH条件下的相互作用机理
Pub Date : 2022-05-29 DOI: 10.30598/ijcr.2022.10-vin
Vina Melinda Inka Dewi, Maya Rahmayanti
Batik wastewater contains a high concentration of dye that comes from the batik dyeing process. In this study, papaya seeds were applied as a natural coagulant to reduce the concentration of remazol red in batik wastewater. Dried papaya seeds were characterized using Fourier Transform Infrared Spectroscopy (FTIR). The coagulation method used the batch method in the pH range of 1-6. The FTIR spectra showed that the papaya seeds contained compounds with -NH2 and -COOH functional groups. The results of coagulation showed that the pH of batik wastewater had an effect on the ability of papaya seeds to reduce the concentration of remazol red. The optimum pH condition was obtained at pH 2 with a decrease in the concentration of remazol red by 96.1%. The interaction that occurs between the coagulant of papaya seeds and the remazol red of batik wastewater is through electrostatic interactions.
蜡染废水中含有高浓度的染料,这些染料来自蜡染染色过程。本研究以番木瓜种子为天然混凝剂,降低蜡染废水中雷马唑红的浓度。利用傅里叶变换红外光谱(FTIR)对番木瓜干种子进行了表征。混凝法采用批处理法,pH范围为1-6。红外光谱分析表明,番木瓜种子中含有-NH2和-COOH官能团。混凝实验结果表明,蜡染废水的pH值对番木瓜种子降低雷马唑红浓度的能力有影响。在pH为2的条件下,雷马唑红的浓度降低了96.1%。木瓜种子混凝剂与蜡染废水的雷马唑红之间的相互作用是通过静电相互作用发生的。
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引用次数: 3
Chemical Composition Oil and Ethanol Extract of Nutmeg Leaf and Antibacterial Test Against Staphylococcus aureus and Pseudomonas aeruginosa 肉豆蔻叶的化学成分、油和乙醇提取物及对金黄色葡萄球菌和铜绿假单胞菌的抑菌试验
Pub Date : 2022-05-29 DOI: 10.30598/ijcr.2022.10-ima
I. B. D. Kapelle, F. A. Souhoka, Ainun Maharani Walla
This study aims to determine the yield and composition of the essential oil and ethanol extract of nutmeg leaves and determine its antibacterial activity against Staphylococcus aureus and Pseudomonas aeruginosa bacteria. Nutmeg leaf oil was obtained by isolation using steam-water distillation and extraction methods using maceration with ethanol as solvent. The moisture content of nutmeg leaves is 11.11%. From the distillation method, 0.26% nutmeg oil was obtained, while the yield of nutmeg oil was 29.01% from the extraction method. Gas Chromatography-Mass Spectrometer analysis showed that distilled nutmeg oil contains 20 components with the main composition, namely myristicin (15.92%), b-phellandrene (14.35%), limonene (11.20%), b-pinene (10.81%), and a-pinene (8.59%). The ethanol extract of nutmeg leaf contains 37 components with the main composition being myristicin (7.64%), 1,1,3,3,5,5,7,7,9,9,11,11,13,13-tetradecamethylheptasiloxane (7.14%), 2,2-dimethyl-1-decanol (7.12%), bis(2-ethylhexyl) phthalate (5.55%), and 9-dodecane-1-al (4.63%). The antibacterial activity test of nutmeg oil was carried out using the good diffusion method. The inhibitory power of nutmeg oil and ethanol extract of nutmeg leaves against S. aureus bacteria were 20.31 mm and 23.56 mm, while against P. aeruginosa bacteria were 11.79 mm and 8.86 mm, respectively.
本研究旨在确定肉豆蔻叶精油和乙醇提取物的产率和组成,并测定其对金黄色葡萄球菌和铜绿假单胞菌的抑菌活性。采用水蒸气蒸馏法分离肉豆蔻叶油,以乙醇为溶剂浸渍提取肉豆蔻叶油。肉豆蔻叶含水量为11.11%。蒸馏法得肉豆蔻油率为0.26%,萃取法得肉豆蔻油率为29.01%。气相色谱-质谱联用分析表明,肉豆蔻精油中含有20种主要成分,主要成分为肉豆蔻素(15.92%)、b-茶香烯(14.35%)、柠檬烯(11.20%)、b-蒎烯(10.81%)和a-蒎烯(8.59%)。肉豆蔻叶乙醇提取物含有37种成分,主要成分为肉豆蔻素(7.64%)、1,1,3,3,5,5,7,7,9,9,11,11,13,13-十四甲基七硅氧烷(7.14%)、2,2-二甲基-1-癸醇(7.12%)、邻苯二甲酸二(2-乙基己基)酯(5.55%)和9-十二烷-1-al(4.63%)。采用良好扩散法对肉豆蔻油进行抑菌活性试验。肉豆蔻油和肉豆蔻叶乙醇提取物对金黄色葡萄球菌的抑菌力分别为20.31 mm和23.56 mm,对铜绿假单胞菌的抑菌力分别为11.79 mm和8.86 mm。
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引用次数: 1
Synthesis and Characterization of Chitosan-Citrate Microparticle Using Ionic Gelation Methods 离子凝胶法制备壳聚糖-柠檬酸盐微粒及其表征
Pub Date : 2022-05-28 DOI: 10.30598/ijcr.2022.10-lat
J. Latupeirissa, M. Tanasale, E. Fransina, Alesya Noya
A study has been conducted aimed to synthesize chitosan-citrate using the ionic gelation method and its characterization with FTIR, SEM, SAA, and PSA, as well as solubility and swelling tests. The results showed that chitosan reacted with sodium citrate producing chitosan-citrate particles. The product of chitosan-citrate has a rough and thickened surface morphology. Surface area is obtained by 35.233 m2/g and pore size is 0.027 cc/g, smaller than chitosan. Based on solubility and swelling tests in acidic, alkaline, and neutral media, chitosan-citrate has good resistance and low swelling effect.
采用离子凝胶法制备了壳聚糖-柠檬酸盐,并用FTIR、SEM、SAA和PSA对其进行了表征,并对其溶解度和溶胀性进行了测试。结果表明,壳聚糖与柠檬酸钠反应生成壳聚糖-柠檬酸颗粒。壳聚糖-柠檬酸盐的产物具有粗糙和增厚的表面形貌。比表面积为35.233 m2/g,孔径为0.027 cc/g,比壳聚糖小。在酸性、碱性和中性介质中的溶解度和溶胀试验表明,壳聚糖柠檬酸盐具有良好的抗溶胀性和低溶胀性。
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引用次数: 0
Production Process of Large Pore Size Activated Carbon from Palm Kernel Shell using Sodium Chloride as An Activator 以氯化钠为活化剂制备棕榈仁壳大孔径活性炭的工艺研究
Pub Date : 2022-05-28 DOI: 10.30598/ijcr.2022.10-ahm
Ahmad Nurdin, I. Iriani, H. Harahap, A. Fahmi
This study aimed to determine the yield of activated carbon, iodine number, and surface area of palm activated carbon. Samples were produced by using sodium chloride (NaCl) as an activator. Palm shells that had been produced by the milling process were then sieved with a 12 mesh sieve and soaked in 20 % NaCl solution. The sample solution was heated over a water bath at 70 oC and continued with the drying process at a constant temperature of 105 oC. The activated shells continued the pyrolysis process at temperatures of 300, 400, and 500 oC for 3 hours. The activated carbon obtained from the pyrolysis process was weighed and then washed using hot distilled water. The samples were dried in an oven at a temperature of 105 oC for 24 hours. The results were analyzed for iodine number using iodometric titration method, surface area using Brunauer- Emmett-Teller (BET) method, and pore structure using the Scanning Electron Microscope (SEM) method. The results showed the best yield was 38.13 % obtained at 20% NaCl and a temperature of 400 oC. The best iodine number was 767.745 mg/g and surface area was 6.790 m2/g, pore volume 4.377 cc/g with pore size 9.781 A.
本研究旨在确定活性炭的产率、碘值和棕榈活性炭的表面积。以氯化钠(NaCl)为活化剂制备样品。研磨后的棕榈壳用12目筛筛过,浸泡在20% NaCl溶液中。样品溶液在70℃的水浴中加热,并在105℃的恒温下继续干燥过程。活化后的壳在300、400和500℃的温度下继续热解3小时。将热解得到的活性炭称重,然后用热蒸馏水洗涤。样品在105℃的烘箱中干燥24小时。用碘滴定法分析了样品的碘值,用bruauer - emmet - teller (BET)法分析了样品的表面积,用扫描电镜(SEM)法分析了样品的孔隙结构。结果表明,在NaCl浓度为20%、温度为400℃的条件下,产率最高为38.13%。最佳碘值为767.745 mg/g,比表面积为6.790 m2/g,孔体积为4.377 cc/g,孔径为9.781 A。
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引用次数: 0
Potency of Bentonite and Pelawan Wood Active Charcoal as Virgin Coconut Oil (VCO) Purity Improvements Through Free Fatty Acid Binding 膨润土和海参木活性炭通过游离脂肪酸结合提高初榨椰子油纯度的效能
Pub Date : 2022-01-31 DOI: 10.30598//ijcr.2022.9-mah
Sri Risky Utami, L. Lidya, Mega Afrilia, R. G. Mahardika
Virgin Coconut Oil (VCO) is pure coconut oil produced from fresh coconuts and does not contain additional chemicals. VCO has a high lauric acid content which acts as an antibiotic, namely antiviral, antibacterial and antiprotozoal so that VCO can increase the human body's resistance to disease or viruses. Free fatty acid (FFA) levels will significantly affect the quality of VCO. The requirement for maximum fatty acid content in VCO to be suitable for consumption is 0.2%. One of the efforts to reduce the free fatty acid levels of VCO is to use adsorbents such as activated charcoal and bentonite. This study aims to determine the effect of bentonite and activated charcoal of pelawan wood (Tristaniopsis merguensis) enhancers of VCO purity. The results showed that the best reduction in free fatty acids was using bentonite and activated charcoal of wood-furnaced pelawan, which was 0.265, while the best turbidity test result was 0.193.
初榨椰子油(VCO)是从新鲜椰子中提取的纯椰子油,不含额外的化学物质。VCO中月桂酸含量高,具有抗病毒、抗菌、抗原虫等抗菌作用,可以增强人体对疾病或病毒的抵抗力。游离脂肪酸(FFA)水平对VCO质量有显著影响。适宜食用的VCO中最大脂肪酸含量要求为0.2%。降低VCO中游离脂肪酸水平的方法之一是使用吸附剂,如活性炭和膨润土。本研究的目的是确定膨润土和活性炭的对虾木(Tristaniopsis merguensis)增强剂对VCO纯度的影响。结果表明,膨润土加活性炭对游离脂肪酸的还原效果最好,为0.265,浊度试验效果最好,为0.193。
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引用次数: 0
Identification of Phytochemical Extract of a Combination of Young Coconut Water, Ginger and Turmeric 幼椰子水、生姜和姜黄复合提取物的植物化学鉴定
Pub Date : 2022-01-31 DOI: 10.30598//ijcr.2022.9-flo
Florentina Saji Hasti, Aloisius Masan Kopon, Anselmus Boy Baunsele, Maria Benedikta Tukan, Maria Aloisia Uron Leba, Erly Grizca Boelan, Faderina Komisia
Turmeric is a tropical plant that is widely found on the Asian continent which is extensively used as a food coloring agent and fragrance. Ginger is a spice plant that it often found in South Asia which is widely has spread throughout the world. Coconut is an annual plant, has a hard stem and is generally not branched (monopodial), has fibrous roots, and contain water that is clear and tastes sweet, young coconut water has benefits such as antibacterial, beauty treatment, as an isotonic agent, and carry out the urination. This research was conducted to obtain information about the physicochemical properties and secondary metabolites contents of the coconut water, ginger and turmeric combination extract. The research method was carried out by mixing the mashed turmeric and ginger with the young coconut water and then macerated. The resulting extract was then tested for physicochemical properties (solubility) and identified groups of secondary metabolites (flavonoids, tannins, saponins, and steroids/triterpenoids. The extract was soluble in 70% ethanol. In addition, the combination of young coconut water, ginger, and turmeric extract contain a group of secondary metabolites among others flavonoids, tannins, saponins, and triterpenoids.
姜黄是一种热带植物,广泛分布在亚洲大陆,被广泛用作食品着色剂和香料。生姜是一种香料植物,常见于南亚,已广泛传播到世界各地。椰子是一年生植物,有坚硬的茎,一般不分枝(单足),有纤维根,含有清澈和甜味的水,年轻的椰子汁有抗菌、美容、等渗剂和排尿等功效。本研究旨在了解椰子水、姜、姜黄三种植物提取物的理化性质及次生代谢产物的含量。研究方法是将姜黄和姜捣碎后与幼椰子水混合,然后浸泡。然后测试所得提取物的物理化学性质(溶解度),并确定次级代谢物(类黄酮、单宁、皂苷和类固醇/三萜)的组。提取物可溶于70%乙醇。此外,年轻的椰子水、生姜和姜黄提取物的组合含有一组次级代谢物,其中包括黄酮类化合物、单宁、皂苷和三萜。
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引用次数: 3
Kinetics and Isotherm Study of Ion Phosphate Adsorption by Lontor Natural Clay Lontor天然粘土吸附磷酸离子的动力学及等温线研究
Pub Date : 2022-01-31 DOI: 10.30598//ijcr.2022.9-ikh
N. Ikhsan, S. J. Sekewael, Nurani Hasanela
The clay used taken from Lontor Village, Central Maluku Regency, Banda Besar Island. The clay was activated at 350 °C for 3 hours using a furnace. This study aims to determine the effectiveness of physically activated Lontor natural clay in reducing levels of phosphate ions using the adsorption method. The adsorption capacity of clay is determined based on two parameters. The parameters are the optimum contact time used are 2, 3, 4, 5, and 6 hours and variations of the concentration are 10, 20, 30, 40, and 50 mg/L of phosphate. The concentration of phosphate adsorbed on the clay was measured by a UV-Vis spectrophotometer at a wavelength of 665 nm. The results showed that the optimum conditions for the adsorption of phosphate ions by Lontor natural clay were obtained at the contact time of 5 hours and the concentration of 40 mg/L. The adsorption of phosphate ions by Lontor activated natural clay followed the pseudo-second-order Lagergren adsorption kinetics model with a rate constant value (k2) of 3.39 x 10-1 g mg-1 min-1, and following the Freundlich adsorption isotherm models with a correlation coefficient (R2), Freundlich constant (Kf), and n values, respectively are 0.9513; 0.57 mg1-1/n L1/n/g, and 0.40 g/L.
使用的粘土取自班达贝萨尔岛中央马鲁古摄政的隆托村。粘土在350°C下用炉活化3小时。本研究旨在确定物理活化的Lontor天然粘土在使用吸附法降低磷酸盐离子水平方面的有效性。粘土的吸附量由两个参数决定。最佳接触时间为2、3、4、5和6小时,磷酸盐浓度为10、20、30、40和50 mg/L。用紫外-可见分光光度计在665 nm波长处测定了磷在粘土上的吸附浓度。结果表明,在接触时间为5 h、浓度为40 mg/L时,获得了Lontor天然粘土吸附磷酸根离子的最佳条件。Lontor活化天然粘土对磷酸盐离子的吸附符合准二级Lagergren吸附动力学模型,速率常数k2为3.39 × 10-1 g mg-1 min-1;符合Freundlich吸附等温线模型,相关系数R2为0.9513,Freundlich常数Kf为0.9513;0.57 mg -1/n L1/n/g, 0.40 g/L。
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引用次数: 1
期刊
Indo. J. Chem. Res.
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