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INDONESIA
Al-Kimia
Published by Universitas Islam Negeri Alauddin Makassar
ISSN : 23022736     EISSN : -     DOI : -
Core Subject : Science,
Chemistry
Al-Kimia is a journal of chemistry that published by Department of Chemistry, Faculty of Science and Technology UIN Alauddin Makassar. The journal is published twice a year on January-June and July-December. This journal encompasses original research articles in all aspects of chemistry and related area. The journal, which was firstly published in July 2013, is a forum for communication of research results, review the results of research, methodologies and new approaches in research related to chemistry in Indonesia.
Arjuna Subject : -
Articles 11 Documents
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Search results for , issue "Vol 9 No 2 (2021): DESEMBER" : 11 Documents clear
Uji Antiseptik Ekstrak Kulit Jeruk Nipis (Citrus aurantifolia) terhadap Bakteri Bacillus cereus dan Escherichia coli Mirnawati Mirnawati; Nur Mu'min; Ummi Zahra
Al-Kimia Vol 9 No 2 (2021): DESEMBER
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v9i2.23261

Abstract

Indonesia is one of the countries with the fourth largest natural wealth in the world. The magnitude of the natural potential provides a great opportunity for scientists to develop it as a useful product for society. One of the medicinal plants that can be used is lime (C. aurantifolia). The purpose of this study was to determine the inhibition of lime peel extract (Citrus aurantifolia) against Bacillus cereus, Escherichia coli and mold bacteria using the coloni counter method. This research includes the extraction process of the maceration method then the extract obtained is tested for bacterial analysis using a colony counter. Based on the results of the research conducted, it can be concluded that lime peel extract (C. aurantifolia) has the ability to inhibit the growth of B. cereus and E.coli bacteria, respectively 0 APM/g and <3.0 APM/g. This is because there are bioactive compounds such as -pinene and D-limonene in lime peel extract (C. aurantifolia).
Docking Molecular dari Kompleks Zn(II)Amina (Prolin)dithiokarbamat terhadap Reseptor Estrogen-α Rizal Irfandi; Ruslang Ruslang; Indah Raya; Ahmad Yani; Muhammad Nasir; Nurcaya Nurcaya; Sulistiani Jarre
Al-Kimia Vol 9 No 2 (2021): DESEMBER
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v9i2.23949

Abstract

Estrogen-α (ER-α) is a major target in cancer therapy. Targeting the ER-α target protein is known to slow the proliferation of breast cancer cells. The purpose of this study was to determine the interaction of the complex compound Zn(II)Prolinedithiocarbamate against the Estrogen-α Receptor. The Zn(II)Prolinedithiocarbamate complex was predicted canonical SMILE by Cheminfo online application (O=C(O)C1CCCN1C2S[Zn]S2) and modeled with online corina to obtain a three-dimensional structure. The structure of the complex compound Zn(II)Prolinedithiocarbamate interacted with Estrogen receptor alpha protein to test its potential anticancer activity. Molecular docking results show the interaction of the Zn(II)Prolinedithiocarbamate complex with the Estrogen- receptor on the amino acid residues ARG394, LEU387, GLU353, LEU346, LEU349, and PHE404. The Zn(II)Prolinedithiocarbamate complex interacts directly with ER-α in the estrogen region which causes the failure of the interaction between estrogen and the estrogen receptor, so it can be predicted that the Zn complex has activity as an ER-α inhibitor and has the potential to be developed in the treatment of breast cancer.
Potensi Senyawa Betalain pada Ekstrak Biji Binahong Berbatang Merah (Anredera cordifolia) sebagai Fotosensitizer Dye Sensitized Solar Cell (DSSC) Nafisa Cahyani; I Gusti Made Sanjaya
Al-Kimia Vol 9 No 2 (2021): DESEMBER
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v9i2.20610

Abstract

Abstract: This study aims to examine the extract of red trunk binahong seed as a dye in Dye Sensitized Solar Cell (DSSC). (Anredera cordifolia) characterization was carried out by UV-Visible spectrophotometry and resulted in absorption at a wavelength of 537 nm, purification the extract of red trunk binahong seed was carried out by column chromatography using methanol: ethyl acetate as  solvent with ratio of 3: 2 and 10 fractions color were produced. The identification of compounds and functional groups were analyzed by FTIR which showed the presence of betalain derivatives, namely betanidine, betanine, and neobetanin. Molecular weight analysis was carried out by LC-MS and the molecular weight of betanidine was 386.3171. The voltage and current from the DSSC results were measured using  multimeter, the efficiency of the extract of red trunk binahong seed was 0.64% and the one that experienced a change in color to orange was 0.55%.Keywords:, betalain, betanidine, betanine, DSSC, red trunk binahong
Determination of Zirconium(IV) Based on Flow Injection Analysis with The Xylenol Orange As A Complexing Waode Rustiah; Sulistyani Sulistyani
Al-Kimia Vol 9 No 2 (2021): DESEMBER
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v9i2.23638

Abstract

The development of spectrophotometry method based on Flow Injection Analysis (FIA) to determine Zr(IV) in tin ore accompanying mineral has been done using xylenol orange as complexing agent. The complex between Zr(IV) and xylenol orange 0,05% was formed at pH 2 (1:1). The complex formed having maximum absorbance at wavelength 554 nm. The mineral decomposition has been done by fusion method using Na2CO3 and Na2O2 as fluxs for open system and the close system decomposition using HNO3, HClO4 and HF as solvents. FIA-spectrophotometry that has been developed was able to show good analytical performance, with precision of %KV not more than 5% at concentration level mg/L, was 3,98%, with sensitivity was 2,79 ppm and the detection limits of calculated (S/N = 3) was 0,21 ppm. This method has been aplicated for analyzing Zr(IV) in zircon mineral sample with analysis result 20,26% of ZrO2 and recovery percentage was 100,7%.
Perbandingan Efektivitas Bioadsorben Berbagai Serbuk Kulit Buah Terhadap Logam Pb Dari Limbah Cair Laboratorium Farmasi Hesty Nuur Hanifah; Ginayanti Hadisoebroto
Al-Kimia Vol 9 No 2 (2021): DESEMBER
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v9i2.24660

Abstract

Pharmaceutical laboratory liquid waste is a source of heavy metal contaminants that can be harmful to living things if not treated properly. One of these heavy metals is lead (Pb), which if accumulated in the body can cause kidney disorders, nerves and even death. Utilization of bioadsorbents derived from biomass in the form of fruit peels can be a solution because they generally contain compounds that have functional groups that can bind to metals. The purpose of this study was to reduce Pb levels in liquid waste using a biomass waste adsorbent made from five) kinds of fruit peel powder, namely jackfruit peel, salak, durian, banana and watermelon.. The adsorption process must be carried out under optimal conditions, by varying the pH factor, immersion time and mass of the bioadsorbent powder. Measurement of Pb levels was carried out using Atomic Absorption Spectrophotometer (AAS) at a wavelength of 283.3 nm. The results showed that the highest adsorption effectiveness was obtained using jackfruit peel powder, which was 94.74%,. While the lowest adsorption effectiveness was using banana peel powder, which was 57.29. The adsorption effectiveness of watermelon, salak and durian peel were 91.52%, 90.5% and 63.74%, respectively.
Characteristics of Self Compacting Concrete (SCC) by the Silica Fume as Portland Cement Substitute Herliati Rahman; Puput Dwi Rahayu
Al-Kimia Vol 9 No 2 (2021): DESEMBER
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v9i2.21064

Abstract

Self-compacting concrete (SCC) is a type of concrete that can flow by itself and can self-compact without using a compactor such as a vibrator. This study aims to observe the effect of cement substitution with silica fume on the compressive strength of concrete. The researchers expect a compressive strength of Self Compacting Concrete up to 500 kg/cm2, although silica fume substituted some portland cement. In order to reduce water use while maintaining the slump flow value of 60±2 cm, a superplasticizer was added at the fixed composition of 1.2% (w/w). The experimental design of silica fume as a cement substitute with a variation of 0%, 5%, 10%, and 15% (w/w). The concrete compressive strength test is carried out under the ASTM C234 standard, while the slump flow value refers to the ASTM C494 standard and the British Standard 5075. Although there was no compressive strength of 500 kg/m2 for all types of cement obtained, it shows that the highest compressive strength of SCC concrete was in the type of OPC cement at 28 days of age.
Kemampuan Adsorpsi Zeolit Alam Terimpregnasi Asam Lemak Hidroksamat sebagai Agen Pengkelat Ion Logam Tembaga Muhsinun Muhsinun; Fena Prayunisa
Al-Kimia Vol 9 No 2 (2021): DESEMBER
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v9i2.23993

Abstract

One of the way to recycle heavy metals in the prevention of environmental pollution is by using a solid-liquid extraction method through the impregnation mechanism of chelating agent in the adsorbent to increase its ability to bind heavy metal ions. In this study, the impregnation of fatty hydroxamic acids (FHA) successfully carried out on active natural zeolite (ZAA). This is has been done to increase the maximum adsorption capacity of ZAA towards heavy metals. The purpose of this study was to examine the adsorption ability of FHA impregnated onto ZAA as a chelating agent in copper metal ions by using column chromatography. This column contains FHA, which synthesized from crude rice bran oil and impregnated onto ZAA. There are several parameters were investigated, they are, the effect of FHA concentration, mass of FHA-ZAA resin and pH of the metal ion sample. From this study, the concentration of FHA impregnated on the zeolite surface reached 41.60%. The optimum conditions for Cu(II) adsorption by FHA-ZAA were as follows: mass ratio of FHA-ZAA resin with Cu(II) concentration (g : ppm) was 1:100 and the optimum condition of Cu(II) ion was at pH 5
Minyak Atsiri Kulit Jeruk Sebagai Bahan Obat Hirup Infeksi Saluran Pernapasan Akut (Ispa): Seleksi dan Organoleptik Prototipe Produknya Nisa Lelita Fadilah; Mella Monica; Ria Heni Sigiro; Irmanida Batubara
Al-Kimia Vol 9 No 2 (2021): DESEMBER
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v9i2.23686

Abstract

Acute Respiratory Infection (ARI) is an acute inflammation of the upper or lower respiratory tract caused by bacterial, viral, fungal and other parasitic infections. Lemon peels have been reported to contain beneficial compounds such as phenolic compounds and flavonoids. Flavonoids have been reported to have antioxidant, antibacterial, antiviral, anti-inflammatory, anti-allergic and anticancer activities. The review was conducted to select the orange peel from the best type of orange that can be used as an inhaler for people with ARI. National and international journals were selected based on the keywords citrus peel, antibacterial and antiviral. The chemical components reported in the essential oils of various citrus peels were determined and correlated with their related activity as antibacterial and antiviral. This systematic review shows that compounds that have the potential as antimicrobial, antibacterial and antiviral are flavonoids and limonina, these compounds are widely contained in the essential oil of lemon peel. The conclusion of the review shows that lemon peel essential oil has the potential as a raw material for anti-ARI drugs.
Kajian Fitokimia dan Identifikasi Senyawa Metaboli Sekunder Daun Pare (Momordica Charantia L.) Muhammad Taupik; Endah Nurrohwinta Djuwarno; Moh Adam Mustapa
Al-Kimia Vol 9 No 2 (2021): DESEMBER
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v9i2.23633

Abstract

Pare plant is a plant that is found in almost every region in the country Indonesia. Plant is used as a traditional medicine to eliminate some diseases. The aim of this study was to isolate and identify the compounds terpenoids methanol extract fraction of n-hexane pare leaf (Momordica charantia L.) using UV-VIS spectrophotometry. Insulation done by maceration method using methanol to produce condensed methanol extract as much as 36.25 grams. Extracts condensed methanol produced is tested phytochemical. Phytochemical test results shows that it contains alkaloids, saponins and steroid / terpenoids. Condensed methanol extract then fractionated using liquid-liquid partition with solvent n-hexane and methanol with a ratio of 4: 2 ie 133 ml of n-hexane and 67 mL of methanol. Non-polar phase (phase n-hexane) results of further partitioning is evaporated using a rotary evaporator to produce a thick n-hexane extract as much as 1.25 grams hereinafter in the TLC test ratio of solvent to produce the best. Solvents are chosen that n-hexane: ethyl acetate (3: 1). Separation and purification was performed using Vacuum Liquid Chromatography (KCV) using silica gel GF254 as stationary phase and solvent n-hexane: methanol as mobile phase and eluted gradually. Isolates were then tested using Thin Layer Chromatography (TLC). Isolates were identified using UV-VIS spectrophotometry. Analysis of physicochemical data qualitatively using UV-VIS spectrophotometry on samples of the methanol extract of N-Hexane fraction pare leaf (Momordica charantia L.) class of compounds containing triterpenoids. This is because the absorption band at a wavelength of 274.2 nm and 432.8 nm with absorbance respectively 0.601 and 0.177 were suspected because of the transition of an electron from n à π*.
Perbandingan Aktivitas Ekstrak Daun Tapak Dara (Catharanthus Roseus) dan TBHQ Sebagai Antioksidan Minyak Goreng Terhadap Fotooksidasi UV-C Akhmad Al-Bari; Romadhiyana Kisno Saputri
Al-Kimia Vol 9 No 2 (2021): DESEMBER
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v9i2.24297

Abstract

Cooking oil is one of the sources of human energy with a total consumption of 290 million tons/year by the public. The largest use of cooking oil is the household sector which generally gets its oil from traditional markets. The oil that is traded in the market is often not covered properly so that it is easily exposed to sunlight. The light that hits the oil can cause damage, including the formation of peroxide compounds. Efforts to overcome the damage include adding natural antioxidants as an alternative to synthetic antioxidants. This study aims to determine the impact of 254nm ultraviolet photooxidation on the containment of oil oxidation by the addition of tapak Dara leaf extract and TBHQ. The oil was photo oxidized with variations of 1, 3, 6, and 12 hours to determine the hold. To determine the quality of the oil, three parameters of sample testing were carried out, namely free fatty acid content, peroxide number, and water content. The results of photooxidation showed that cooking oil with tapak Dara leaf extract had lower holding activity than TBHQ. This value was measured on the peroxide number and free fatty acid content, while the measurement of the water content of the measured containment activity was better with a value that met SNI, namely <0.1%

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