Al-Kimia
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.
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<![CDATA[Identifikasi Komponen Senyawa Organik dan Uji Aktivitas Antiinflamasi dari Fraksi Etil Asetat Daun Cabai Rawit (Capsicum frutescens L.) ]]>
<![CDATA[Uci Pradina]]>;
<![CDATA[Ajuk Sapar]]>;
<![CDATA[Warsidah Warsidah]]>;
<![CDATA[Endah Sayekti]]>;
<![CDATA[Anthoni Batahan Aritonang]]>
<![CDATA[ Al-Kimia Vol 10 No 1 (2022): JUNI ]]>
Publisher : <![CDATA[Study Program of Chemistry - Alauddin State Islamic University of Makassar ]]>
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DOI: 10.24252/al-kimia.v10i1.20456
<![CDATA[Cayenne pepper was known to treat swelling of tissue cells and is thought to have anti-inflammatory activity. The aim study is to examine the anti-inflammatory activity of the ethyl acetate fraction of cayenne pepper and identify the components of organic compounds in the ethyl acetate fraction. The stages of this research include preparation, extraction, partitioning, phytochemical tests, anti-inflammatory activity tests using Human Red Blood Cells (HRBC), and identifying the components of organic compounds they contain. Among the three fractions obtained at the extraction stage, the ethyl acetate fraction had the best activity as an anti-inflammatory at a concentration of 1000 mg/L of 57.77%. The fractionation of the ethyl acetate fraction was carried out using Vaccum Liquid Chromatography (VLC), and four combined fractions were obtained. One of the combined fractions, code EA-4-5, with a weight of 0.188 grams, was analyzed using GC-MS and FTIR. The two main compounds obtained from the GC-MS analysis were dodecanoic acid (25.79%) and (-)-Loliolide (12.86%). The results of the FTIR interpretation of the EA-4-5 fraction showed absorption at a wave number of 3234.62 cm-1 (stretching vibration of the -OH functional group), 3088.03 cm-1 and 3028.24 cm-1 (stretching vibration of the functional group =CH), 2931.8 cm-1 and 2858.51 cm-1 (functional group strain vibration –CH), 1712.79 cm-1 (functional group strain vibration –C=O), and 1606.7 cm-1 (strain vibration functional group –C=C).]]>
<![CDATA[Penentuan Logam Cr(VI) Menggunakan Metoda Voltammetri Stripping Anoda (VSA) pada Sampel Air Laut dan Air Sungai ]]>
<![CDATA[Hilfi Pardi]]>;
<![CDATA[Nancy Willian]]>
<![CDATA[ Al-Kimia Vol 10 No 1 (2022): JUNI ]]>
Publisher : <![CDATA[Study Program of Chemistry - Alauddin State Islamic University of Makassar ]]>
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DOI: 10.24252/al-kimia.v10i1.21799
<![CDATA[The research aims to determine Cr(VI) in the sea and river water samples using the Stripping Anode Voltammetry (VSA) method has been carried out by finding the optimum conditions for deposition potential, deposition time, pH, and electrolyte concentration measurements. As well as looking at the accuracy and accuracy of the method, it is necessary to determine the value of the relative standard deviation (SRD) and the value of recovery. The results obtained were -1.3 V deposition potential, 60 seconds deposition time, 0.2 M NH4Cl supporting electrolyte solution concentration, pH 10, SDR value was 2.36%, and the percent recovery value was 99.91%. As an application of this method, the determination of Cr(VI) was carried out in seawater samples from Senggarang and water from the Carang Tanjungpinang river. The concentration of Cr(VI) in Senggarang seawater samples was 133.751 g/L and in Carang River water samples 34,702 g/L.]]>
<![CDATA[Karakteristik Bakteri Probiotik dari Saluran Pencernaan Ayam Kampung sebagai Kandidat Pakan Ayam ]]>
<![CDATA[Nurmumin Jabir]]>;
<![CDATA[Rizka Oktavia]]>
<![CDATA[ Al-Kimia Vol 10 No 1 (2022): JUNI ]]>
Publisher : <![CDATA[Study Program of Chemistry - Alauddin State Islamic University of Makassar ]]>
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<![CDATA[Probiotics are living organisms that can provide a beneficial effect on the host's health when consumed in sufficient quantities by improving the balance of the intestinal microflora when it enters the digestive tract. Probiotics can be bacteria, fungi, or yeast, but the most probiotics are bacteria. Microbes in probiotic products function to improve health and are classified as healthy and functional foods. This study aimed to isolate, characterize and identify probiotic bacteria in the digestive tract of native chickens as bacteria that degrade organic compounds. Characterization of probiotic bacteria included observation of colony morphology, gram staining, bacterial degradation test for cellulose, pectin, and starch, calculating dissolution index, and making probiotic animal feed. The results showed that 15 bacterial isolates were obtained, two of which were determined as candidates for chicken feed. The two isolates showed probiotic characteristics.]]>
<![CDATA[Enkapsulasi Urea Menggunakan Biokomposit Zeolit Alam-Alginat-Pati Sagu sebagai Model Pupuk Lepas Lambat (Slow Release Fertilizer) ]]>
<![CDATA[Ida Ayu Suci]]>;
<![CDATA[Ismail Astar]]>
<![CDATA[ Al-Kimia Vol 10 No 1 (2022): JUNI ]]>
Publisher : <![CDATA[Study Program of Chemistry - Alauddin State Islamic University of Makassar ]]>
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DOI: 10.24252/al-kimia.v10i1.23739
<![CDATA[The urea fertilizer was encapsulation with the compositions of natural zeolite-alginate-sago starch biocomposite for developing of slowed-release properties. The characteristics of biocomposites such as FTIR, SEM, and nitrogen release tests were evaluated. Fourier transform infrared spectroscopy showed the presence of natural zeolite-alginate-sago starch biocomposite. The SEM images showed the surface morphology of urea has been coated by natural zeolite-alginate-sago starch biocomposite. Nitrogen release tests on natural zeolite-alginate-sago starch biocomposites with concentrations of 20% was the composition with the best results in holding urea encapsulated. This study indicates that natural zeolite-alginate-sago starch biocomposites are a alternative candidate for the development of the efficient slowed-release formulation of urea.]]>
<![CDATA[Enkapsulasi Urea Pada Lumpur PDAM-Alginat sebagai Pupuk Lepas Lambat ]]>
<![CDATA[Ismail Astar]]>;
<![CDATA[Ida Ayu Suci]]>
<![CDATA[ Al-Kimia Vol 10 No 1 (2022): JUNI ]]>
Publisher : <![CDATA[Study Program of Chemistry - Alauddin State Islamic University of Makassar ]]>
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DOI: 10.24252/al-kimia.v10i1.23740
<![CDATA[Modification of sludge solid waste regional water company (PDAM) Pontianak with alginate for the application of slow-release urea fertilizer. Characterization of materials was performed with Fourier-Transform Infra-Red (FTIR) spectroscopy and scanning electron microscopy (SEM). Analysis of the FTIR spectrum obtained showed that the characteristics of the absorption band at wavelengths of 3639.89 cm-1 and 3690.9 cm-1 are characteristic of the vibration of NH2 stretching asymmetric and symmetric derived from the presence of urea. Nitrogen release tests on mud PDAM-alginate composites with concentrations of 10%, 20%, 30%, 40% and 50% for 72 consecutive hours of 12,80%, 19,33%, 4,00%, 8,39% and 6,20%. This shows that urea encapsulated mud PDAM-alginate at a concentration of 30% is the composition with the best results in holding urea encapsulated.]]>
<![CDATA[In Vitro Anti-inflammatory Activity of Extract and Fraction Seed Coat Kebiul (Caesalpinia bonduc L.) ]]>
<![CDATA[Raden Fatahillah]]>;
<![CDATA[Dwi Fitriyani]]>;
<![CDATA[Fitria Wijayanti]]>
<![CDATA[ Al-Kimia Vol 10 No 1 (2022): JUNI ]]>
Publisher : <![CDATA[Study Program of Chemistry - Alauddin State Islamic University of Makassar ]]>
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DOI: 10.24252/al-kimia.v10i1.23769
<![CDATA[Inflammation is the protective reaction of body and supporting element of tissues to injurious stimuli, such as physical injury, tissue and cell damage by pathogens, and protein denaturation. This study aims to compare the antiinflammatory activity of ethanol extract, ethanol fraction, and n-hexane fraction from kebiul (Caesalpinia bonduc L.) seed coat. Antiinflammatory activity was tested by measuring the % inhibition of the denatured protein using a UV-Vis spectrophotometer. From the result of the study obtained IC50 value 2,10 μg/mL, 7,89 μg/mL, 4,04 μg/mL & 11,03 μg/mL.]]>
<![CDATA[Identifikasi Komponen Kimia Ekstrak Daun Ketapang (Terminalia cattapa) Berdasarkan Perbandingan Metode Ekstraksi ]]>
<![CDATA[Ismail Marzuki]]>;
<![CDATA[Melisa Mirsyah]]>;
<![CDATA[Selfina Gala]]>
<![CDATA[ Al-Kimia Vol 10 No 1 (2022): JUNI ]]>
Publisher : <![CDATA[Study Program of Chemistry - Alauddin State Islamic University of Makassar ]]>
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DOI: 10.24252/al-kimia.v10i1.25457
<![CDATA[Screening, characterization and identification of chemical components of typical Indonesian plants are important for the purpose of finding high potential chemical components in the use of primary sources of cosmetic, medicinal and food ingredients. The selection of the right extraction method and the appropriate type of solvent is very decisive in the acquisition of the target chemical components. The brand of this research focuses on the comparison of extraction between soxhletation and maceration methods in identifying the chemical components of Ketapang leaves (Terminalia Catappa). Sample preparation was carried out by selecting fresh, cleaned, dried and mashed Ketapang leaves. The extraction was carried out in two stages using two types of solvents, namely the first stage of extraction using ethanol. Obtained a dilute extract, then concentrated using a rotary evaporator. The second extraction used n-hexane as solvent. There are 4 kinds of extracts, each ethanol extract and n-hexane extract by applying the soxhletation and maceration method. The results obtained showed that: the application of the maceration method to the identification of chemical components of ketapang leaves gave relatively better separation results than the soxhletation method. The number of chemical components identified from the ethanol extract of ketapang leaves is ± 20 species which are dominated by fatty acid compounds. There are two groups of chemical compounds identified from ketapang leaves using n-hexane as solvent both in the application of soxhletation and maceration methods with high similarity 90%, namely 4 kinds of chemical components of the fatty acid group (tetradecanoic acid, Hexadecanoic, Octadecanoid, Octadeca-9,12 -Dienoite) and 2 kinds of aliphatic components (methyl cyclopentane, Tetraco Hexane)]]>
<![CDATA[Enkapsulasi Asap Cair Tandan Kosong Kelapa Sawit (Elaeis guineensis Jacq.) dan Uji Aktivitas Antijamur ]]>
<![CDATA[Riskawati]]>;
<![CDATA[Nurul Magfira]]>;
<![CDATA[Maswati Baharuddin]]>;
<![CDATA[Sappewali]]>;
<![CDATA[Fitria Azis]]>
<![CDATA[ Al-Kimia Vol 10 No 1 (2022): JUNI ]]>
Publisher : <![CDATA[Study Program of Chemistry - Alauddin State Islamic University of Makassar ]]>
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DOI: 10.24252/al-kimia.v10i1.25723
<![CDATA[Oil palm empty bunches is lignocellulose that can be processed into liquid smoke with the content of acid compounds and phenol compounds that function as a natural preservative. The purpose of this study to find out the characteristics of liquid smoke, see the effect of encapsulan on the liquid smoke encapsulation process, and see the antifungal activity of A. flavus and A. niger. The method used is pyrolysis process at a temperature of 400 oC to produce liquid smoke and encapsulation process by using variation of coating material using spray dryer with micro sized result. The result showed that the liquid smoke characteristics can be seen from its chemical content that is the dominant phenol compound and has the highest phenol content among the parts found in oil palm that is 68,15%. Based on analysis it can be seen that the best encapsulation process is by the addition of chitosan on maltodextrin with water content 5.78%, phenol content of 43.03 ppm and has a high rate of encapsulation efficiency of 45.87%. The liquid smoke microcapsules could inhibit the growth of fungi with the highest value of liquid smoke concentration, that is 3% with inhibitory value of 8.30 mm.]]>
<![CDATA[Uji Aktivitas Antioksidan Ekstrak Buah Srikaya (Annona Squamosa L.) Muda dan Matang dengan Metode FRAP (Ferric Reducing Antioxidant Power) ]]>
<![CDATA[Haekal Wahyudi]]>;
<![CDATA[Adlim]]>;
<![CDATA[M. Nasir]]>
<![CDATA[ Al-Kimia Vol 10 No 1 (2022): JUNI ]]>
Publisher : <![CDATA[Study Program of Chemistry - Alauddin State Islamic University of Makassar ]]>
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DOI: 10.24252/al-kimia.v10i1.27391
<![CDATA[The antioxidant activity test of young and ripe Srikaya fruit extract (Annona Squamosa L.) had been carried out by using the FRAP (Ferric Reducing Antioxidant Power) method. This study aims to determine the antioxidant activity of young and ripe srikaya fruit extract using the FRAP method by using qualitative and quantitative method. The research method used was FRAP (Ferric Reducing Antioxidant Power) which was based on a reduction reaction in an acid state towards a yellow Fe3+ (Potassium hexacyanoferat(III)) complex compound to become a bluish-green Fe2+ complex compound due to electron donors from antioxidant compounds. The result of the qualitative analysis of the antioxidant activity of young and ripe srikaya fruit extract was a change in color in the sample extracts of young and ripe Srikaya fruit due to the reduction reaction in an acid state towards the yellow-colored Fe3+ (Potassium hexacyanoferat(III)) complex compound to become a bluish-green Fe2+ complex compound. due to electron donor of antioxidant compounds. Quantitatively, the average antioxidant activity of samples of young and ripe srikaya fruit extract was respectively 7,448 mgAAE/g extract and 9,351 mgAAE/g extract. The result indicated that the antioxidant activity of ripe srikaya fruit was greater than that of young fruit. Based on the results of the analysis parameter testing the t-test, it can be concluded that there is a significant difference in the antioxidant activity of the young and ripe srikaya fruit extract (Annona squamosa L.). The antioxidant activity test of young and ripe Srikaya fruit extract (Annona Squamosa L.) had been carried out by using the FRAP (Ferric Reducing Antioxidant Power) method. This study aims to determine the antioxidant activity of young and ripe srikaya fruit extract using the FRAP method by using qualitative and quantitative method. The research method used was FRAP (Ferric Reducing Antioxidant Power) which was based on a reduction reaction in an acid state towards a yellow Fe3+ (Potassium hexacyanoferat(III)) complex compound to become a bluish-green Fe2+ complex compound due to electron donors from antioxidant compounds. The result of the qualitative analysis of the antioxidant activity of young and ripe srikaya fruit extract was a change in color in the sample extracts of young and ripe Srikaya fruit due to the reduction reaction in an acid state towards the yellow-colored Fe3+ (Potassium hexacyanoferat(III)) complex compound to become a bluish-green Fe2+ complex compound. due to electron donor of antioxidant compounds. Quantitatively, the average antioxidant activity of samples of young and ripe srikaya fruit extract using the FRAP method was respectively 7,448 mgAAE/g extract and 9,351 mgAAE/g extract. The result indicated that the antioxidant activity of ripe srikaya fruit was greater than that of young fruit. Based on the results of the analysis parameter testing the t-test, it can be concluded that there is a significant difference in the antioxidant activity of the young and ripe srikaya fruit extract (Annona squamosa L.).]]>
<![CDATA[Production, Purification and Characterization of Cellulase from Cossus cossus Larvae ]]>
<![CDATA[Maswati Baharuddin]]>
<![CDATA[ Al-Kimia Vol 10 No 1 (2022): JUNI ]]>
Publisher : <![CDATA[Study Program of Chemistry - Alauddin State Islamic University of Makassar ]]>
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DOI: 10.24252/al-kimia.v10i1.28071
<![CDATA[This study aimed to purify and characterize the biochemical properties of cellulase from bacterial isolates of C. cossus larvae, to determine the effect of adding crude extract cellulase and pure enzymes to the hydrolysis of rice straw. The research steps included purification of enzymes by ion exchange chromatography and gel filtration chromotography, as well as SDS-PAGE electrophoresis analysis. Pure cellulases are characterized by their biochemical properties and applied in the hydrolysis of cellulose. The results showed that the characteristics of an optimum pH of 5.6, an optimum temperature of 70⁰C and a substrate concentration of 1.5% CMC, and a molecular weight of 36.49 kDa.]]>
