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Chairul Saleh
Jurusan Kimia Fakultas Matematika Dan Ilmu Pengetahuan Alam Universitas Mulawarman
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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UJI FITOKIMIA DAN AKTIVITAS ANTIOKSIDAN EKSTRAK DAUN RAMBUTAN (Nephelium lappaceum)DENGAN METODE DPPH (1,1-diphenyl-2-picryhidrazyl) Pangaribuan, Fransiscus X. Rico; Sitorus, Saibun; Saleh, Chairul
JURNAL ATOMIK Vol 1 No 2 (2016)
Publisher : Jurusan Kimia FMIPA UNMUL

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Research about antioxidant test of rambutan leaves extract (Nephelium lappeceum) by using radical compound DPPH (1,1-diphenyl-2-picrylhidrazil) has been carried out. This research aims to determine antioxidant activity level of rambutan leaves extract and to detrermine kind of secondary metabolites in it. Concetration taht used in rambutan leaves extract are 5 ppm, 10 ppm, 25 ppm, 50 ppm dan 100 ppm. Result of fitochemical shows that secondary metabolites in n-hexane extract were alkaloid and flavonoid, secondary metabolites in ethyl acetat extract were alkaloid, flavonoid and phenolic, secondary metabolites in ethanol extract were alkaloid and phenolic where as secondary metabolites in ethanol-water extract weas phenolic. IC50 value in each extract of n-hexane, ethyl acetat, ethanol and ethaol-water in a row were 56,48 ppm; 16,82 ppm; 25,47 ppm and 8,59 ppm. The highest antioxidant activity level was in ethanol-water.
UJI AKTIVITAS ANTIBAKTERI DAUN RAMBAI (Baccaurea motleyana Mull. Arg.) Rachman, Ferry Aditya; Saleh, Chairul; Marliana, Eva
JURNAL ATOMIK Vol 5 No 1 (2020)
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Antibacterial activity of methanol extract, n-hexane fraction, ethyl acetate and residue of methanol of rambai (Baccaurea motleyana Mull. Arg.) leaves have been done. The extraction process with maceration of the rambai (B. motleyana Mull. Arg.) leaves using a methanol solvent, then proceed with fractionation using the liquid-liquid partition method to obtain the n-hexane, ethyl acetate and residual methanol fractions. Based on the results of phytochemical screening of secondary metabolites contained in the total methanol extract contains triterpenoid, steroid, phenolic and flavonoid compounds. The n-hexane fraction contains flavonoid and steroid compounds, whereas the ethyl acetate contains flavonoid and phenolic, and residual methanol fractions contains flavonoid, phenolic and triterpenoid compounds. Based on the results of the antibacterial activity test on the bacteria Propionibacterium acnes and Escherichia coli, the values ​​of methanol extract, ethyl acetate fraction and the residue of methanol fraction of the leaves B. motleyana Mull. Arg. for Propionibacterium acnes has a MIC value of 4% and Escherichia coli bacteria at 8%. From the results of the antibacterial activity test it can be concluded that the methanol extract, ethyl acetate and residue of methanol fraction have antibacterial activity against the Propionibacterium acnes KCCM 41747 and Escherichia coli ATCC 25922.
PENENTUAN DERAJAT ASILASI (DA) DENGAN METODE BASE LINE DARI SINTESIS N-ALDIMIN KITOSAN Soma, Yolanda V. A; Daniel, Daniel; Saleh, Chairul
JURNAL ATOMIK Vol 3 No 1 (2018)
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Determination Degree of Acylation (DA) with the baseline method from the synthesis of N-Aldimin Chitosan was obtained from the acylation reaction between chitosan and acetaldehyde. The formation of N-Aldimin Chitosan is supported by the data of FT-IR spectroscopy in the wave number 3441.01 cm-1 shows the stretching vibration of OH of chitosan and absorption peaks in the area of wave number 1627.92 cm-1 and 1566.20 cm-1 is vibration C=N which identifies the formation aldimine chitosan. Wavenumber 2924.09 cm-1 shows the C-H stretching vibration as evidenced by a wave number 1404.16 cm-1 which is C-H bending and C-O absorption at wavenumber 1087.85 cm-1. Acylation degree (DA) obtained by 81.33%.
PEMANFAATAN SERBUK ECENG GONDOK (Eichornia crassipes) TERAKTIVASI DENGAN SISTEM KANTONG CELUP SEBAGAI ADSORBEN PENJERAP ION LOGAM KADMIUM (Cd) Rochman, Mayasari Azhari; Saleh, Chairul; Yusuf, Bohari
JURNAL ATOMIK Vol 2 No 2 (2017)
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The research on the use of water hyacinth powder (Eichornia crassipes) activated by adsorption method as the adsorption of cadmium metal ions (Cd) using dye bag system had been done. Water hyacinth powder was activated previously using HNO3 0,3 M then characterized by FT-IR spectroscopy. Infra-red spectrum showed hydroxyl cluster (-OH) from cellulose could function as the active sites of metal adsorption. Adsorption process was done by using variant contiguous time periods of metal ions, variant concentration of metal ions and addition of the metal ions of lead (Pb) ion adsorption on metal cadmium (Cd). From the results of the study Atomic Absorption Spectrophotometer (AAS) had shown the percentage of adsorption by water hyacinth powder adsorbent which was activated at 30 minutes of optimum contiguous time with optimum concentration 100 mg/L of 57,175 mg/L and 56,441% percentage of adsorption. In addition of the metal ions of lead (Pb) ion adsorption on metal cadmium (Cd) decreased to 20,681 mg/L with the percent adsorbed at 20,415% . Keywords: , , , , , AAS.
Uji Aktivitas Antihiperurisemia Dari Daun Hijau Tanaman Pucuk Merah (Syzygium myrtifolium Walp.) Terhadap Mencit Jantan (Mus musculus) Juwita, Retno; Saleh, Chairul; Sitorus, Saibun
JURNAL ATOMIK Vol 2 No 1 (2017)
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Antihyperuricemia activity tests were conducted on an ethanol extract of green leaf plant red bud (Syzygium myrtifolium Walp.). Hyperuricemia is a condition in which uric acid levels in the blood increases due to the consumption of high purine is converted into uric acid. Antihyperuricemia activity test ethanol extract of green leaf plant red bud (Syzygium myrtifolium Walp.) Conducted on male white mice with a variety of doses of 1.85, 3.7 and 7.4 mg/kg. Extract dose of 7.4 mg/kg dose is the closest percentage drop on allopurinol which lowers blood uric acid levels at 55.04 %. Phytochemical screening showed that the green leaf plant red bud contains alkaloids, triterpenoids, steroids, phenolics, flavonoids and saponins. These results indicate that the ethanol extract of green leaf plant red bud has antihyperuricemia activity.
ANTIHYPERURISEMIA ACTIVITY TEST OF ETHANOL EXTRACT FROM LEAVES OF KLUWIH (Artocarpus altilis (Parkinson) Fosberg) AGAINST MALE MICE (Mus musculus) Wajdie, Farid; Kartika, Rudi; Saleh, Chairul
JURNAL ATOMIK Vol 3 No 2 (2018)
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Phytochemical screening on ethanol extract from leaves of kluwih (Artocarpus altilis (Parkinson) Fosberg) has been carried out and that results showed the presence of flavonoids, alkaloids, phenolic, triterpenoids and steroids. The ethanol extract from leaves of kluwih (Artocarpus altilis (Parkinson) Fosberg) was tested for its antihyperuricemic experimentally in the laboratory with doses of 28 mg/kg, 56 mg/kg and 112 mg/kg which were done orally in male mice (Mus musculus) for the purpose of antihyperuricemic assess the effect of the decrease uric acid in male mice. Uric acid measurements carried out on days 0, 15, 17, 19, 21, 23, 25 and 27 by using uric acid strip and uric acid meter. Treatments with dosage variation kluwih leaves extract (Artocarpus altilis (Parkinson) Fosberg) shows that a dose of 112 mg/kg give blood uric acid levels decrease by 64.23%. The results of this study showed a decrease in uric acid levels as a result of ethanol extract from leaves of kluwih (Artocarpus altilis (Parkinson) Fosberg).
PEMBUATAN PLASTIK POLIHIDROKSI YANG DAPAT TERDEGRADASI DARI SINGKONG GAJAH (Manihot esculenta) DENGAN PENAMBAHAN GLISEROL SEBAGAI PLASTICIZER Syafriyanti, Yuly; Gunawan, Rahmat; Saleh, Chairul
JURNAL ATOMIK Vol 1 No 2 (2016)
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The synthesis of plastic production which can be degreded use manihot esculenta extract already researched. The method of this research using blending according to physics with the addition of glycerol as a plasticizer and FT-IR characterization. The result show that the glycerol concentrate that produce plastics which is easy to degreded well, exist in 45% concentrate whit a value of 25% water resistance and degradability value of 19,7 mg/day. The date of FT-IR give information that there are group alteration or between before and after glycerol increasing in long wave intensity
PHYTOCHEMICAL TEST AND ANTIBACTERIAL ACTIVITY FROM MERUNG LEAVES (Coptosapelta tomentosa) AGAINST Staphylococcus aureus AND Propionibacterium acnes BACTERIA Ulfa, Yulyanti Sartika; Kartika, Rudi; Saleh, Chairul
JURNAL ATOMIK Vol 6 No 1 (2021)
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Penelitian tentang uji fitokimia dan aktivitas antibakteri daun Merung (Coptosapelta tomentosa) terhadap bakteri Staphylococcus aureus dan Propionibacterium acne telah dilakukan. Penelitian ini berupa uji fitokimia dan uji aktivitas antibakteri dengan metode kertas cakram dari ekstrak kasar, fraksi metanol dan fraksi etil asetat pada daun merung (Coptosapelta tomemtosa). Hasil penelitian ini menunjukkan bahwa ekstrak kasar, fraksi metanol dan fraksi etil asetat mengandung senyawa metabolit sekunder dan pada uji aktivitas antibakteri dari ekstrak kasar, fraksi metanol dan fraksi etil asetat menunjukkan adanya aktivitas antibakteri terhadap bakteri Staphylococcus aureus dengan range MIC masing-masing sebesar 2,5% dengan diameter zona hambat 20 mm dan pada bakteri Propionibacterium acne tidak memiliki aktivitas antibakteri.
THE PHYTOCHEMICAL TEST AND ANTIOXIDANT ACTIVITY (DPPH METHOD) FROM LEAVES OF BIRIBA (Rollinia mucosa (Jacq.) Baill.) Sumarni, Feni; Saleh, Chairul; Pratiwi, Djihan Ryn
JURNAL ATOMIK Vol 4 No 1 (2019)
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Phytochemical test and antioxidant activity test of biriba leaves (Rollinia mucosa (Jacq.) Baill.) has been done. Extraction from biriba leaves was carried out using several solvents, namely ethanol, n-hexane and ethyl acetate. From phytochemical test results from leaves of biriba (R. mucosa) containing secondary metabolites namely alkaloids, phenolics, flavonoids and steroids. Based on the results of the antioxidant test using DPPH (1,1-diphenyl-2-picrylhidrazyl) method showed that the crude extract, n-hexane fraction, ethyl acetate fraction and residual ethanol fraction had IC50 values of 159.72; 119.62; 40.12 and 38.35 ppm, respectively. From the results of the antioxidant test it is known that the ethanol fraction of the remaining biriba leaves has the strongest antioxidant activity with IC50 values of 38.35 ppm.
SINTESIS ASKORBIL PALMITAT DARI METIL PALMITAT DAN ASETIL ASKORBAT MELALUI REAKSI INTERESTERIFIKASI DENGAN KATALIS LIPASE DAN UJI AKTIVITAS ANTIOKSIDAN DENGAN METODE 2,2-diphenyl-1-picrylhidrazyl (DPPH) Nisak, Khoirun; -, Daniel; Saleh, Chairul
JURNAL ATOMIK Vol 2 No 2 (2017)
Publisher : Jurusan Kimia FMIPA UNMUL

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Synthesis of ascorbyl palmitate from methyl palmitate and acetyl ascorbate through interesterification reaction has been done. Modified were done to improve the nature of ascorbic acid that only soluble in water (lipophobic) become soluble in oil or fat (lipophylic). The interesterification reaction conducted with molar ratio 1:4 (methyl palmitate:acetyl ascorbate), lipase from coconut as a catalyst with amount 70 % from its substrat, pH 7, the temperature reaction 40-50 °C and the reaction time is 48 hours so the yield produce is 46,7241 %. Characterization of the functional group were confirmed with FT-IR. Analysis of antioxidant activity using radical reduction method 2,2-diphenyl-1-picrylhidrazyl (DPPH) result the antioxidant activity value of ascorbyl palmitate is 45,41 ppm. The result showing that ascorbyl palmitate synthesized is have a potency as an active antioxidant.
Co-Authors Agung Prasetyo Ajeng Kartini Akbar, Fath Ali Alimuddin - Alimuddin - Alimuddin Alimuddin Alpina Nora Kaban Ami, Suyatmi Ana Arum Sari Ana Arum Sari, Ana Arum Ardiansyah - Ardiansyah - Arifah, Churniati Nur Arwidhiah, Nanda Ary Rizki Darmawi Ary Rizki Darmawi, Ary Rizki Aulia Husna Rabbani Azhar Seli Apriani Azhar Seli Apriani, Azhar Seli Barikah, Kuni Z. Bastara, Dimas B. Bohari Yusuf Bonita Tahir Daniel Daniel - Daniel - Daniel -, Daniel Daniel Daniel Daniel Daniel Daniel Daniel Daniel Tarigan Deni Karisnawati Dessy Karlina Desy Ridho Rahayu Dewi, Camelia Eugenia Djihan Ryn Pratiwi, Djihan Ryn Dwi Fitria Sari Dwi Perwitasari Wiryaningtyas, Dwi Perwitasari Eci Endang Sinulingga Eko Haryanto Eko Haryanto Elean, Samuel Ema Desia Prajitiasari Erwin - Erwin - Erwin E Erwin Erwin Erwin Erwin Erwin Erwin Eva Marliana, Eva Fadillah, Fahmi Farhany, Farhany Farida Amir Farida Amir, Farida Fauziah, Nadiya Ayu Hairani, Rita Hammamiyah, Ulinnuha Hamsiana - Hevin Muttaqin Husnul Chatimah Indra Masmur Izkia Mawaddah Jaya, Edi Novian Juwita, Retno Karolina Sinukaban KHOIRUN NISAK Kusumaningrum, Indah Yulia Kusumawardani, Niken Lembang, Darmita Tiku Lutfiana Devi Kurnia M.Riza Agus Pramana Magdaleni Agustina Rahayu Magdaleni, Agustina R. Magdaleni, Agustina Rahayu Marsella, Virna Rindra Masmur, Hestina Medi Hendra, Medi Mira Wahyuni Mira Wahyuni, Mira Muhammad Rivai Mujahidin1, Muhamad Mustafidah - Mustafidah -, Mustafidah Mutma Inna Nadhirah - Natalia, Princessa Noor Hindryawati, Noor Nugraheni, Dyah Ayu Nur Aina Nur Aini Haryati Nuranda, Apri Nyoman Gede Krishnabudi Oman, Aries Panannangan, Josua K. Pangaribuan, Fransiscus X. Rico Pindan, Neli Peni Prabowo, Rachmat Udhi Pratiwi, Ricka Indria Precelia, Sari Clara Priyanto, Fajar Wahyu Purnamie Titisari Purwanti, Gettik Andri Puspita, Leonita Dwi Puspitasari, Intan Dessy Rachman, Ferry Aditya RAHMAT GUNAWAN Rahmat Gunawan Ramadhan, Aulia Ravensca, Irene Rindawati, Novi Ritbey Ruga Ritson Purba, Ritson Rochman, Mayasari Azhari Rohmat Hidayat Rohmat Hidayat Rudi Kartika, Rudi Ruga, Ritbey Ryn Pratiwi, Djihan Saibun Sitorus Sandra, Putri Ayu Sanjaya, I Made Duwi Septi Roro Liniawati Simatupang, Eliene Br. Siti Maimunah Sitompul, Citra Uli Soma, Yolanda V. A Subagyono, RR Dirgarini Julia Nurlianti Subur P Pasaribu Sulistiawati, Iqlimah Sulistiyawati, Rizki Ramadhani Sumarni, Feni Sunardi Sunardi Susanto, Arnis Budi Syafriyanti, Yuly Theresia Susetyarsi Tri Novianti Tria Annisa Rizky Ulfa Mutia Ulfa Mutia, Ulfa Ulfa, Yulyanti Sartika Wahyu Pratama Wajdie, Farid Winni Astuti Winni Astuti, Winni Yuli Yana