Indonesian Journal of Chemical Science and Technology (IJCST)最新文献_第6页

Effect of Giving of Ethanol extract of Ginger (Zingiber officinale Rosc.), Pandan leaves (Pandanus amarylifolius Roxb), Citronella (Cymbopogon nardus (L.) Randle), Cinnamon (Cinnamomum burmanii B.) on Cholesterol Reduction in Male Strain Rats (Rattus Norvegicus) 姜(Zingiber officinale Rosc.)、香兰叶(Pandanus amarlifolius Roxb)、香茅(Cymbopogon nardus (L.))乙醇提取物的施予效果Randle)、肉桂(Cinnamomum burmanii B.)对雄性褐家鼠(Rattus Norvegicus)胆固醇降低的作用

Indonesian Journal of Chemical Science and Technology (IJCST) Pub Date : 2022-08-02 DOI: 10.24114/ijcst.v5i2.37454

ElySabet Pratiwi Siagian, Rumondang Fransiska Tampubolon, I. Riris

{"title":"Effect of Giving of Ethanol extract of Ginger (Zingiber officinale Rosc.), Pandan leaves (Pandanus amarylifolius Roxb), Citronella (Cymbopogon nardus (L.) Randle), Cinnamon (Cinnamomum burmanii B.) on Cholesterol Reduction in Male Strain Rats (Rattus Norvegicus)","authors":"ElySabet Pratiwi Siagian, Rumondang Fransiska Tampubolon, I. Riris","doi":"10.24114/ijcst.v5i2.37454","DOIUrl":"https://doi.org/10.24114/ijcst.v5i2.37454","url":null,"abstract":"Cholesterol in the blood is a form of sterol derived from a lipid molecule that serves as the main structural component of plasma membrane. Atherosclerosis is a change characterized by thickening of the arterial walls due to the accumulation of cholesterol in the intima of blood vessels. By using SPSS analysis, it was found that the Shapiro-Wilk Normality Test with a sig value > 0.05, the data were normally distributed. The results of the analysis in the Test of Homogeneity of Variences table obtained a Sig Value 0.106. This the value of Sig = 0.106 > 0.05, them ho is accept. Thus the ethanol extract of ginger, pandan leaves, citronella, cinnamon, has the potential to reduce cholesterol levels. By using four different doses, the rat group at a dose 100mg/kgbw showed cholesterol levels of 90,75(mg/dl) ± 11,58, the rat group at a dose 200mg/kgbw showed cholesterol levels of 95,5(mg/dl) ± 6,80, the rat group at a dose 300mg/kgbw showed cholesterol levels of 75,75 (mg/dl)± 2,06, the rat group at a dose 400mg/kgbw showed cholesterol levels of 67,5mg/dl ± 2,64.","PeriodicalId":13519,"journal":{"name":"Indonesian Journal of Chemical Science and Technology (IJCST)","volume":"60 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87757894","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: 0

Removal of Heavy Metal Copper (Cu) Ions from Wastewaters Using Various Bio-adsorbents 利用各种生物吸附剂去除废水中的重金属铜离子

Indonesian Journal of Chemical Science and Technology (IJCST) Pub Date : 2022-08-02 DOI: 10.24114/ijcst.v5i2.37447

K. Khairunnisa, S. Rahmah, R. Selly, Jasmidi Jasmidi, H. Nasution, M. Zubir

引用次数: 0

Modified Natural Rubber Sir-20 Using Chain Scission Reaction Method And Grafting With Anhydrous Maleic 用链裂反应法和无水马来酸接枝改性天然橡胶Sir-20

Indonesian Journal of Chemical Science and Technology (IJCST) Pub Date : 2022-08-02 DOI: 10.24114/ijcst.v5i2.37451

A. Sinaga, Eddyanto Eddyanto, Andreas Nababan

引用次数: 0

Toxicity Test of Windu Shrimp (Penaeus monodon) Skin Chitosan With Brine Shrimp Lethality Test Method 用卤虾致死性试验法研究温杜对虾(Penaeus monodon)皮壳聚糖的毒性

Indonesian Journal of Chemical Science and Technology (IJCST) Pub Date : 2022-08-02 DOI: 10.24114/ijcst.v5i2.37453

Dina Suciati Saragih, Ridwanto Ridwanto, A. Daulay, Dikki Miswanda, Haris Munandar Nasution

引用次数: 0

Caffeine Levels from Various Types of Coffee Drink Packaging Circulated in the Medan City Market Were Examined Using a UV Spectrophotometry Method 采用紫外分光光度法对棉兰市市场上流通的各类咖啡饮料包装中的咖啡因含量进行了检测

Indonesian Journal of Chemical Science and Technology (IJCST) Pub Date : 2022-07-30 DOI: 10.24114/ijcst.v5i2.37465

G. I. Dalimunthe, Adli Nuzula Rahmah, Zulmai Rani, Yayuk Putri Rahayu

引用次数: 0

Understanding the Difference Between Chemical Changes and Physical Changes 理解化学变化和物理变化的区别

Indonesian Journal of Chemical Science and Technology (IJCST) Pub Date : 2022-03-01 DOI: 10.24114/ijcst.v5i1.33160

Yoahana Elisabet, Catur Kurniawan

引用次数: 0

Kinetics Study of Gold (III) on Chitosan-Silica Coated Magnetic Material 金(III)在壳聚糖-二氧化硅包覆磁性材料中的动力学研究

Indonesian Journal of Chemical Science and Technology (IJCST) Pub Date : 2022-03-01 DOI: 10.24114/ijcst.v5i1.33158

Dikki Miswanda, M. Zubir, R. Selly, Siti Rahmah, N. Nuryono

引用次数: 0

Effect of Addition of Ethanol Extract from Sijukkot Leaves (Lactuca Indica L.) on Cholesterol Reduction in Male Strain Rats (Rattus Norvegicus) 添加四竹叶乙醇提取物对褐家鼠雄性品系胆固醇降低的影响

Indonesian Journal of Chemical Science and Technology (IJCST) Pub Date : 2022-03-01 DOI: 10.24114/ijcst.v5i1.33142

Felivia Angelina Munte, A. Silalahi

{"title":"Effect of Addition of Ethanol Extract from Sijukkot Leaves (Lactuca Indica L.) on Cholesterol Reduction in Male Strain Rats (Rattus Norvegicus)","authors":"Felivia Angelina Munte, A. Silalahi","doi":"10.24114/ijcst.v5i1.33142","DOIUrl":"https://doi.org/10.24114/ijcst.v5i1.33142","url":null,"abstract":"Cholesterol is one of the lipids that can form cell membranes and extremity layers and functions as a lipoprotein compound. Rising cholesterol levels can cause various diseases. The leaves of the sijukkot plant have been used as a lowering of cholesterol levels in the body. By using SPSS analysis, it was found that the Shapiro-Wilk Normality Test with a sig value > 0.05, the data were normally distributed. The results of the analysis in the Test of Homogeneity of Variances table obtained a Sig value of 0.510. Thus the value of Sig = 0.510 > 0.05, then Ho is accepted. Thus, the ethanol extract of sijukkot leaves has the potential to reduce cholesterol levels. By using four different doses, the rat group at a dose of 100 mg/kgBW showed cholesterol levels of 77.25 (mg/dL) ± 9.14, the rat group at a dose of 200 mg/kgBW showed cholesterol levels of 62.75 (mg/dL) ± 5.44, the rat group at a dose of 200 mg/kgBW showed a cholesterol level of 62.75 (mg/dL) ± 5.44. 300 mg/kgbw showed a cholesterol level of 61.50 (mg/dL) ± 4.1 and a group of rats at a dose of 400 mg/kgbw showed a cholesterol level of 54.50 (mg/dL) ± 4.1","PeriodicalId":13519,"journal":{"name":"Indonesian Journal of Chemical Science and Technology (IJCST)","volume":"132 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84915713","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: 0

Synthesis and Characterization of α-Cellulose from Young Coconut Coir (Cocos nucifera L.) 幼椰壳α-纤维素的合成与表征

Indonesian Journal of Chemical Science and Technology (IJCST) Pub Date : 2022-03-01 DOI: 10.24114/ijcst.v5i1.33143

G. Sarumaha, Z. Muchtar

引用次数: 0

Study of Energy and Structure on Interactions Between Molecules In Solvents - Organic Solves Using Computational Chemical Methods 用计算化学方法研究溶剂中分子间相互作用的能量和结构-有机溶液

Indonesian Journal of Chemical Science and Technology (IJCST) Pub Date : 2022-03-01 DOI: 10.24114/ijcst.v5i1.33139

Nuraisah Malau, A. Nugraha

{"title":"Study of Energy and Structure on Interactions Between Molecules In Solvents - Organic Solves Using Computational Chemical Methods","authors":"Nuraisah Malau, A. Nugraha","doi":"10.24114/ijcst.v5i1.33139","DOIUrl":"https://doi.org/10.24114/ijcst.v5i1.33139","url":null,"abstract":"This study aims to determine the amount of energy, the difference in energy, the relationship between the amount of energy and the distance between compounds, and the interactions that occur in organic solvent molecules using computational chemistry methods. In determining the amount of energy and interactions that occur, computational chemistry calculations are used using NWChem software version 6.6 with the DFT method with the B3LYP hybrid function/basis set 6-31G, the calculation results are visualized using Jmol software. The results of calculations with large computations of energy for benzene are -230.62447487 KJ/mol, ethanol -154.01322923 KJ/mol, methanol -114.98816558 KJ/mol, hexane are -235.27001385 KJ/mol. Mixture of benzene and ethanol in a ratio of 1 : 1 -384.63823964 KJ/mol, 1 : 2 538.66009762 KJ/mol , and 2 : 1 -615.26607558 KJ/mol. A mixture of benzene and methanol in a ratio of 1 : 1 -345.61255299 KJ/mol, 1 : 2 -460.60826254 KJ/mol, and 2 : 1 -576.24044425 KJ/mol, a mixture of hexane and ethanol in a ratio of 1 : 1 -389.28477268 KJ/mol, 1 : 2 -543.29869234 KJ/mol and 2 : 1 -624.55723290 KJ/mol. A mixture of hexane and methanol at a ratio of 1 : 1 -350.25984691 KJ/mol, 1 : 2 -465.26041654 KJ/mol and 2 : 1 -585.53373886 KJ/mole. The difference in energy is the most in a mixture of benzene and ethanol in a ratio of 1 : 2 -0.00916429 K /mol, in a mixture of benzene and methanol in a ratio of 1 : 2 - 0.00745651 KJ/mol, a mixture of hexane and ethanol in a ratio of 2 : 1 -0.00397597 KJ/mol, and a mixture of hexane and methanol in a ratio of 1 : 2 -0.01407153 KJ/mol. and there is no relationship between the magnitude of the interaction energy of the mixture with the distance between the molecules.","PeriodicalId":13519,"journal":{"name":"Indonesian Journal of Chemical Science and Technology (IJCST)","volume":"23 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91008113","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