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JC-T (Journal Cis-Trans) : Jurnal Kimia dan Terapannya
Published by Universitas Negeri Malang
ISSN : 25496565     EISSN : 25496573     DOI : 10.17966
Core Subject : Science,
Biochemistry, Genetics & Molecular Biology
JC-T (Journal Cis-Trans) : jurnal kimia dan terapannya is published by Universitas Negeri Malang, Faculty of Mathematics and Science, Chemistry Department.
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 101 Documents
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Aktivitas Antifungi Ekstrak Metanol Kulit Batang Jambu Mete...25Aktivitas Antifungi Ekstrak Metanol Kulit Batang Jambu Mete terhadap Candida albicans Dahlisa Soleman; Nur Candra Eka Setiawan
JC-T (Journal Cis-Trans) : Jurnal Kimia dan Terapannya Vol. 1 No. 2 (2017)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um026v1i22017p025

Abstract

Candida albicans is a fungus that commonly cause infections in humans where around 70% of the fungal infections caused by Candida albicans. The purpose of this research was to know the activity of the methanol extracts of antifungi cashew bark (Anacardium occidentale L.) againts Candida albicans with agar well difussion method. This research includes experimental research conducted in the Microbology laboratory at Academy of Pharmacy Putra Indonesia Malang. Results of the study showed extracts of bark cashew nuts with a concentration of 50%, 75%, and 100% can inhibit the growth of Candida albicans with the drag of zone 25,997 mm, 28,334 mm, and 29,995 mm. From this research it can be concluded that the extract of bark cashew nuts have antifungi activity against Candida albicans. Further research is needed to find out the effectiveness of the methanol extract of bark of cashew nuts in inhibiting the growth of Candida albicans starts from the lowest concentration.
Ekstraksi Tannin dari Daun Sirsak (Annona muricata L.) sebagai Pewarna Alami Tekstil Nana Chintya; Budi Utami
JC-T (Journal Cis-Trans) : Jurnal Kimia dan Terapannya Vol. 1 No. 1 (2017)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um026v1i12017p022

Abstract

This research aims to: (1) determine the optimum ratio of ethanol-water for the extraction of tannin from soursop leaves, (2) determine the optimum time for the extraction of tannin from soursop leaves, (3) determine the proper fixation material to produce optimal color fastness of natural dyes tannin from soursop leaves, dan (4) find a natural dye from soursop leaves that can be applied as a natural dye in textiles with high quality and environmentally friendly. This research used experimental method. Soursop leaf was extracted using soxhletation methods at 80oC (rasio of ethanol-water = 1:1, 1:2, 1:4, extraction time = 1, 2, 3 hours). The tannin qualitative test done with FeCl3 method.. The tannin quantitative test done with Folin-Ciocalteu method. Dyeing process included mordanting , coloring, fixation (with Tunjung, chalk, and Tawas). The color fastness was tested with Laundrymeter and Crockmeter. The research concluded that: (1) the optimum ratio of ethanol-water for extraction of tannins from soursop leaves is 1: 1, (2) the optimum time for extraction of tannin from soursop leaves is 2 hours, (3) fixation material that produces optimal color fastness of natural dyes soursop leaves is tawas
Pengaruh Derajat Keasaman (pH) Media Tanam dan Waktu Panen pada Fortifikasi Selenium Jamur Tiram Putih (Pleurotus ostreatus) Irma Kartika Kusumaningrum; Neena Zakia; Cyntia Nilasari
JC-T (Journal Cis-Trans) : Jurnal Kimia dan Terapannya Vol. 1 No. 1 (2017)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um026v1i12017p030

Abstract

White oyster mushroom (Pleurotus ostreatus) is a very popular food. Selenium is one of the essential micro­nutrients for human. The intake of selenium is low. The aim of this research is to analyze some factors that affect to selenium fortification on white oyster mushrooms. White oyster mushrooms are saprophytic plants that absorb their food from their growing media, so the growth periode and their fruit body content is influ­enc­ed by the composition and the acidity (pH) of their growing media. This paper describes about the effect of acidity (pH) and the harvesting time on the selenium content of oyster mushroom. From the results, we conclu­d­­ed that the most rapid growth of mycelium occurred on the oyster mushroom that grown on growing media with pH 8. The selenium content of mushroom fruit body are influenced by their mycelia growing period, the oyster mushroom that grown on growing media with pH 6 had the highest selenium content ,and there is sig­ni­ficant difference between the content of selenium of the mushroom fruit body that collected from the first and second harvesting time.
Sintesis dan Analisis Spektra IR, Difraktogram XRD, SEM pada Material Katalis Berbahan Ni/zeolit Alam Teraktivasi dengan Metode Impregnasi Nur Fitri Fatimah; Budi Utami
JC-T (Journal Cis-Trans) : Jurnal Kimia dan Terapannya Vol. 1 No. 1 (2017)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um026v1i12017p035

Abstract

This research is about the synthesis and analysis of IR spectra, XRD difractogram, SEM in the catalyst material made from Ni/zeolite nature is activated by impregnation method. This study is aimed to find out (1) The method of synthesis of catalyst Ni/zeolit with impregnation (2) The characteristics of the catalyst which is formed from the characterization results using SEM, FT-IR, and XRD (3) the optimum ratio of zeolit and Ni in the synthesis of catalyst Ni/zeolit. Synthesis of catalyst Ni/zeolit were done by impregnation. Method with a variety of Ni concentration range 0 %, 5%, and 10%. Characterization of catalyst Ni/zeolit were produced covering the structure morphology and particle size using microgrpahy SEM (Scanning Electron Microscope). While characterization crystallization and the crystal size was performed using diffractogram of XRD (X-Ray Diffraction) and characterization with FT-IR. From this study it can be concluded that : (1) Ni/zeolit catalyst be synthesized from a solution of Ni(NO3)2.6H2O at variance 0%, 5%, and 10% with impregnation method, (2) characteristics of Ni/zeolit catalyst were identified using SEM analysis in the form of uneven surface morphology, the XRD, the peaks of Ni/zeolit cryztallinity and FT-IR
Aktivitas Antioksidan Sari Rimpang Temu Giring (Curcuma heyneana) Terfermentasi Lactobacillus bulgaricus Ernanin Dyah Wijayanti; Linda Jausicha Yustin
JC-T (Journal Cis-Trans) : Jurnal Kimia dan Terapannya Vol. 2 No. 1 (2018)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um026v2i12018p001

Abstract

Temu giring (Curcuma heyneana) telah lama digunakan oleh masyarakat Indonesia terutama untuk menjaga kesehatan kulit. Senyawa kimia yang terdapat dalam temu giring adalah flavonoid, kurkumin, dan fenolik. Fermentasi pada sari temu giring dilakukan agar senyawa kompleks dipecah senyawa yang lebih sederhana. Penelitian ini bertujuan untuk mengetahui adanya aktivitas antioksidan hasil sari temu giring (Curcuma heyneana) terfermentasi Lactobacillus bulgaricus. Tahap penelitian ini meliputi penyaringan rimpang temu giring, fermentasi temu giring, skrining fitokimia, pengujian aktivitas antioksidan analisis data dan membuat kesimpulan. Pembuatan sari temu giring dilakukan dengan menyari temu giring dengan air sampai didapatkan sari. Dilanjutkan dengan fermentasi menggunakan bakteri Lactobacillus bulgaricus selama 24 jam dengan suhu 37°C. Pengujian organoleptis meliputi warna, bau, rasa dan pH dilakukan. Pengujian skrining fitokimia sari temu giring segar dan terfermentasi positif mengandung fenolik, flavonoid, kurkumin. Pengujian aktivitas antioksidan menggunakan metode spektrometer UV-Vis dengan panjang gelombang 520 nm. Kesimpulannya bahwa sari temu giring terfermentasi memiliki aktivitas antioksidan dengan IC50 sebesar 3,49 ppm yang tergolong sangat kuat.
Perbandingan Kadar Fenolik Total Antara Seduhan Daun Gaharu Dan Kombucha Daun Gaharu (Aquailaria malaccensis) Nurmiati Nurmiati; Ernanin Dyah Wijayanti
JC-T (Journal Cis-Trans) : Jurnal Kimia dan Terapannya Vol. 2 No. 1 (2018)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um026v2i12018p006

Abstract

Agarwood leaf contains flavonoid, alkaloid, terpenoid, steroid, triterpenoid, so it is potential as anantioxidant. Fermentation can increase the antioxidant activity due to the increasing of phenoliccompound. This study aims to determine the comparison of total phenolic content of agarwood leaf brewand agarwood (Aquailaria malaccensis) leaf kombucha. The agarwood leaf simplicia was prepared bybrewing it at 80°C for 30 minutes, then fermented with kombucha for 10 days with 10% of sugaraddition. The organoleptic testing includes dye, flavor, aroma and pH. The agarwood leaf brew andkombucha were identified their phenolic, flavonoid, tannin, and anthraquinone. Finding shows that theypositively contain phenolic, flavonoid, tannin. The total phenolic content was tested by the FollinCiocalteau method. The determination result shows that total phenolic content of agarwood leaf brewis equal to 28.524 ± 0.359 mgGAE/gram and the total phenolic of agarwood leaf kombucha is equal to62.857 ± 2.104 mgGAE/gram. It can be concluded that there is a difference of total phenolic contentbetween the agarwood leaf brew and agarwood leaf kombucha, which has increased after thefermentation.
Efektivitas Antibakteri Ekstrak Etanol Daun Melinjo (Gnetum Gnemon L.) Terhadap Bakteri Escherichia Coli Nur Candra Eka Setiawan; Anny Indah Widianti
JC-T (Journal Cis-Trans) : Jurnal Kimia dan Terapannya Vol. 2 No. 1 (2018)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um026v2i12018p012

Abstract

Melinjo (Gnetum gnemon L.) is one of the plants which leaves can be used as antibacterial of the issuediarrhea problem because melinjo leaves contains alkaloids, flavonoids, saponins and tannins. One ofthe caused diarrhea is bacterium Escherichia coli. The purpose of this study was to determine theactivity and effectiveness of the antibacterial ethanol extract of melinjo leaves against Escherichia colibacteria. This study included the type of experimental research was conducted in the Mikrobiologylaboratory and Farmakognosi laboratory at Academy of Pharmacy of Putra Indonesia Malang. Thisresearch used diffusion method of wells with concentrations of 10% w/v, 20% w/v, 30% w/v, 40% w/v,50% w/v, 60% w/v, 70% w/v, 80% w/v, 90% w/v, and 100% w/v. Result of the study showed that ethanolextract of melinjo leaves can inhibit the growth of Escherichia coli bacteria. Effective concentration ofantibacterial against Escherichia coli was 90% w/v. The conclusion of this study of melinjo leaves ofethanol extract has activity and effectiveness antibacterial to bacterium Escherichia coli
Optimasi Metode Analisis Injeksi Alir pada Analisis Surfaktan Anionik Hanumi Oktiyani Rusdi; M. Bachri Amran
JC-T (Journal Cis-Trans) : Jurnal Kimia dan Terapannya Vol. 2 No. 1 (2018)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um026v2i12018p018

Abstract

Surfactant is an active ingredient in the detergent, soap, shampoo and others. Using large numbers ofsurfactant has an impact on environmental contamination, such as water pollution. It is necessary to determinethe concentration of surfactant in contaminated water. Determination of surfactant is generally done withvisible light spectrometry method through the extraction process. However, the extraction process is timeconsuming and requires a number of solvents which cause many of these methods are not effective and efficientin analysis. In this research, the analytical method of anionic surfactant has been developed based on flowinjection analysis using preconcentration techniques with C18 mini-column and detection by visible lightspectrometry. Anionic surfactant (Sodium Dodecyl Sulfate/ SDS) made ion pair formation with cationic dyes(Brilliant Green/ BG) in C18 mini-column. Ion pair can be eluted with organic solvents such as methanolchloroform (1:9). The visible spectrum of BG-SDS ion pair has a maximum absorption at 629 nm. The resultsalso show that BG-SDS ion-pair formed optimum at pH 6. Preliminary analysis showed a linear relationshipbetween SDS concentration variations with ion-pair absorbance value. The increasing concentration of SDScauses the absorbance value increase.
Inhibisi Xantin Oksidase oleh Ekstrak Daun Salam (Syzygium Polyanthum) Nur Candra Eka Setiawan; Ana Nurjanah
JC-T (Journal Cis-Trans) : Jurnal Kimia dan Terapannya Vol. 2 No. 1 (2018)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um026v2i12018p025

Abstract

Xhantine oxidase is an enzyme that plays a role in the formation of uric acid. Xanthine oxidase catalyzeshypoxanthine into xantin and then becomes uric acid. Bay leaf plants can lower blood uric acid levelbecause it contains secondary metabolites such as flavonoid, tannin, and essential oil. This reseachaimed are to find out xhantine oxidase inhibition by bay leaf extract. This reseach use experimentalresearch method which done in pharmacognosi of pharmacy of Putra Indonesia Malang. The reseachinclude extraction, isolation of xanthine oxidase enzyme, enzyme activity test and enzyme inhibition test.Testing of enzyme activity of xanthine oxidase inhibition using spectrophotometric at λ290 nm. Theresult showes that in variant concentrations of 5 ppm, 10 ppm, 20 ppm, 50 ppm dan 100 ppm wereproduced inhibitions is %, 0%, 100%, 100%, 0%. Allopurinol is used as a positive control with the sameconcentration, the % inhibition is 100%, 0%, 0%, 0%, dan 100%. Based on the result, the bay leafextract with a concentration of 5 ppm has 100% inhibition equivalent to allopurinol 5 ppm.Concentration 100 ppm of bay leaf extract not show inhibitory activity.
Efek promosi Fe terhadap daya katalitik katalis Ni-Fe berpendukung aluminium hidroksida pada hidrogenasi selektif asam levulinat menjadi gamma-valerolakton Rodiansono Rodiansono; Faisal Faisal; Tantriati Tantriati; Rahmidah Ulfa; Abdullah Abdullah; Maria Dewi Astuti
JC-T (Journal Cis-Trans) : Jurnal Kimia dan Terapannya Vol. 3 No. 1 (2019)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um0260v3i12019p001

Abstract

The promotional effect of iron the catalytic performance of supported Ni-Fe on aluminum hydroxide(denoted as Ni-Fe(x)/AlOH; x is molar ratio of Ni/Fe) catalysts on the selective hydrogenation of levulinicacid (LA) into gamma(g)-valerolactone (GVL) has been systematically studied. Ni-Fe(x)/AlOH catalystswere successfully synthesized using polyol method under hydrothermal condition from the mixture ofRaney Ni supported on aluminum hydroxide (Raney Ni/AlOH) and solution contains ion Fe3+ with molarratio of Ni/Fe (x) = 1.0, 1.8, 2.3, 2.8, and 3.0 according to the number of initial precursors. XRD patternsof the synthesized Ni-Fe(x)/AlOH showed that the diffraction peak of the corresponding Ni(111) species at2θ = 44.84º shifted to lower diffraction peaks at 2θ = 44.54-44.11 , which can be attributed as the formation of bimetallic alloy Ni-Fe(111) species. The addition of 3.0 mmol Fe in Ni-Fe(3.0)/AlOH catalyst enhanced significantly its activity and selectivity on the selective hydrogenation of levulinic acid (LA) into γ-valerolactone (GVL) at 130C, initial pressure of H2 3.0 MPa, and reaction time of 1.5 h. Further increasing of reaction temperature, amount of Fe, and reaction time remarkably enhanced the LA conversion and GVL yield up to 100%.

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