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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 UJI STABILITAS ZAT WARNA DARI EKSTRAK BIJI BUAH ALPUKAT (Persea americana Mill) DENGAN METODE SPEKTROSKOPI UV-VIS Arifah, Churniati Nur; Saleh, Chairul; -, Erwin
JURNAL ATOMIK Vol 1 No 1 (2016)
Publisher : Jurusan Kimia FMIPA UNMUL

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Abstract

The extraction avocado seed (Persea americana Mill) is done by soxhletation method using ethanol 96%. Results soxhletation 146.01 grams powder of avocado seeds obtained 85.76 grams of ethanol extract. Ethanol extracts of avocado seeds concentrated using a rotary evaporator obtained 43.38 grams. Phytochemical results showed that the ethanol extract of avocado seeds contains of compound flavanoid, tannins and anthocyanin. Stability test of the color substance ethanol extracts of  avocado seeds conducted on the influence of 40 oC, 50 oC, 60 oC, 70 oC and 80oC, the influence of pH 3, 4, 5 and 6 and the influence of prolonged storage of 1, 2, 3, 4 and 5 days at a wavelength of 200 to 400 nm. Observation data were analyzed by ANOVA and Duncan test.Keywords: Phytochemicals and color substance stability.
SINTESIS SILIKA MESOPORI TERSULFONASI DARI ABU DAUN BAMBU PETUNG (Dendrocalamus asper) Precelia, Sari Clara; Subagyono, RR Dirgarini Julia Nurlianti; Saleh, Chairul
JURNAL ATOMIK Vol 3 No 1 (2018)
Publisher : Jurusan Kimia FMIPA UNMUL

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Abstract

Research on the synthesis of sulfonated mesoporous Silica from bamboo leaves ash (Dendrocalamus asper) as Heterogeneous Acid Catalyst has been conducted. Bamboo Leaf Ashfish serves as a source of silica for the manufacture of Mesoporous Silica. The research phase consisted of synthesis of MSU-H with surfactant template method, mesoporous silica modification with 3-mercaptopropyl-trimethoxysilane (MPTMS) using post grafting method. The mesoporous silica has a pore volume of 1.03 cm3/g, a surface area of 150 m2/g and a pore diameter of 27.5 nm. The FT-IR spectrum of mesoporous silica before sulfonation shows the presence of Si-O-Si, and Si-OH functional groups while that of Mesoporous silica after sulfonation shows the presence of Si-O-Si, Si-O, Si-OH and –SO3H functional groups.
PHYTOCHEMICAL AND ANTIOXIDANT ACTIVITY TESTS OF n-HEXANE, ETHYL ACETATE, AND ETHANOL FRACTIONS FROM SURUHAN (Peperomia pellucida (L.) Kunth) USING DPPH METHOD Lembang, Darmita Tiku; -, Daniel; Saleh, Chairul
JURNAL ATOMIK Vol 5 No 1 (2020)
Publisher : Jurusan Kimia FMIPA UNMUL

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Abstract

Uji fitokimia dan uji aktivitas antioksidan dari tumbuhan suruhan (Peperomia pellucida (L.) Kunth) menggunakan metode DPPH telah dilakukan. Hasil dari uji fitokimia pada tumbuhan suruhan (Peperomia pellucida (L.) Kunth) ekstrak kasar bernilai positif pada alkaloid, triterpenoid, steroid dan fenolik, pada fraksi n-heksana bernilai positif pada steroid, pada fraksi etil asetat bernilai positif pada alkaloid, triterpenoid, steroid dan fenolik, pada fraksi etanol sisa bernilai positif pada alkaloid, triterpenoid, saponin dan fenolik. Berdasarkan hasil uji antioksidan dengan metode DPPH (1,1-diphenyl-2-picrylhidrazyl) menunjukkan pada ekstrak kasar, fraksi n-heksana, fraksi etil asetat dan fraksi etanol sisa memiliki nilai IC50 masing-masing sebesar 151,17; 390,87; 159,617 dan 93,886 ppm. Tingkat aktivitas antioksidan paling tinggi adalah pada fraksi etanol sisa. Hasil karakterisasi dengan GC-MS diperoleh 15 senyawa.
PHYTOCHEMICAL TEST AND ANTIOXIDANT ACTIVITY TEST OF n-HEXANE FRACTION EXTRACT, ETHYL ACETATE AND REMAINED ETHANOL FROM LEAF OF SUNGKAI (Peronema canescens Jack.) USING DPPH METHOD Pindan, Neli Peni; -, Daniel; Saleh, Chairul; Magdaleni, Agustina Rahayu
JURNAL ATOMIK Vol 6 No 1 (2021)
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Abstract

Research on phytochemical test and antioxidant activity on sungkai leaf extract (Peronema Canescens Jack.) using DPPH (1,1-diphenyl-2-picrylhydrazyl). Phytochemical test result showed that secondary metabolites in crude extracts were alkaloids, flavonoids, phenolics, triterpenoids, steroids and saponins, secondary metabolites in n-hexane were flavonoids, triterpenoids and steroids, secondary metabolites ethyl acetate were alkaloids, triterpenoids and steroids and secondary metabolites in residual ethanol is alkaloids, flavonoids, phenolics and steroids. The IC50 values obtained in each crude extract, n-hexane, ethyl acetate and ethanol residue respectively: 29.549 ppm; 607.475 ppm; 12.986 ppm; 15.766 ppm. The highest level of antioxidant activity is in ethyl acetate fractions. Charaterization results with GC-MS obtained by alkanes, alkenes, alcohols and fatty acids.
PHYTOCHEMICAL TEST, TOXICITY TESTS AND ANTIOXIDANT ACTIVITIES OF MAHOGANY SEEDS (Swietenia mahagoni (L) Jacq) Rindawati, Novi; Daniel, Daniel; Saleh, Chairul
JURNAL ATOMIK Vol 4 No 2 (2019)
Publisher : Jurusan Kimia FMIPA UNMUL

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Abstract

Phytochemical tests, toxicity tests and antioxidant activities of mahogany seeds (Swietenia mahagoni (L) Jacq) were carried out. This study is meant to identify the secondary metabolism, the LC50 and LC50 of extract of ethanol, n-hexane fraction, and ethyl acetate fraction with the seeds of (Swietenia mahagoni (L) Jacq). Phytochemical screening on ethanol extract of mahogany seeds showed the presence of alkaloids, flavonoids, triterpenoids and phenolic n-Hexane fraction contains alkaloids compounds, triterpenoid and phenolic compounds. Ethyl acetate fraction contains flavonoids, triterpenoids and phenolic compounds. The toxicity level is performed by tests of BSLT (Brine shrimp lethality test), while antioxidant activity is performed by a spectrofotometr uv-vis. The total extract of ethanol is obtained at the smallest amount of LC50 for 49.47565 ppm, n-Hexane fractions obtained from LC50 as much 75.30347 ppm, ethyl acetate fraction obtained from LC50 as much as 77.87461 ppm and those three extracts are toxic. The IC50 value of a total ethanol of 176 ppm, n-Hexane fraction of as 189 ppm and ethyl acetate fraction of 144 ppm with is strength medium antioxidant.
EKSTRAKSI DAN UJI STABILITAS ZAT WARNA DARI KULIT BUAH ALPUKAT (Persea americana Mill) DENGAN METODE SPEKTROSKOPI UV-VIS Fauziah, Nadiya Ayu; Saleh, Chairul; -, Erwin
JURNAL ATOMIK Vol 1 No 1 (2016)
Publisher : Jurusan Kimia FMIPA UNMUL

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Abstract

The avocado skin fruit (Persea americana Mill) is one of species of Lauraceae family that had many benefits and efficiacy for human. Avocado is a woody plant, the life cycle can reach decades and were known to have potential as pigmen. The purpose of this study is to extract and determine the stability of pigmen from avocado skin fruit (Persea americana Mill) with UV-Vis Specroscopy methode. The extraction was done with soxhlet method using ethanol. The result of soxhlet was 142,13 gr avocado skin fruit dried powder was gained 88,85 gr ethanol extract. The ethanol extract of avocado skin dried powder was concentrated using rotary avoporator was gained 47,93 gr. The result phytochemical study, shown that ethanol coarse contained of Tannin compound, flavonoids and antosianin. The study stability of pigmen from avocado skin fruit (Persea americana Mill) extract was done to temperature effect were 40oC, 50oC, 60oC, 70oC and 80oC, pH effect were 3, 4, 5 and 6 and long storage effect were 1, 2, 3, 4 and 5 days at wave length 200-400 nm. The observational data were analyzed by ANOVA followed by Duncan test..Keywords: Persea americana Mill, Phytochemical , Stability of Pigmen
PEMANFAATAN BONGGOL PISANG KEPOK (Musa paradisiaca. L) SEBAGAI BAHAN PEMBUATAN PLASTIK YANG MUDAH TERDEGRADASI DENGAN PENAMBAHAN PLASTICIZER GLISEROL. Pratiwi, Ricka Indria; Saleh, Chairul; -, Daniel
JURNAL ATOMIK Vol 1 No 2 (2016)
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Abstract

Telah dilakukan penelitian pembuatan plastik yang mudah terdegradasi menggunakan pati dari bonggol pisang kepok (Musa paradisiaca. L) dengan penambahan plasticizer gliserol. Metode yang digunakan adalah proses blending secara fisika. Hasil menunjukkan bahwa konsentrasi gliserol untuk menghasilkan plastik yang mudah terdegradasi paling baik adalah pada variasi volume gliserol 4 mL dengan nilai ketahanan air sebesar 62,23 % dan nilai degradabilitas sebesar 93,45 %.
PEMBUATAN SURFAKTAN BERBAHAN DASAR MINYAK BIJI KETAPANG Terminalia catappa DENGAN TRIETANOLAMINA Ravensca, Irene; Saleh, Chairul; Daniel, Daniel
JURNAL ATOMIK Vol 2 No 2 (2017)
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Abstract

Research synthesis esteramin with cattapa seed oils (Terminalia cattapa) has been done through a transesterification reaction. The synthesis process was conducted on the extraction, esterification and transesterification. The results showed cattapa seed oil content of 51.9%, the acid value of 7.559 mg KOH / g and ALB levels of 3.4496%. The composition of the oil determined using GC-MS. GC-MS analysis of the composition of the most dominant oil is oleic acid amounted to 34.86%. Esterification process in the formation of methyl esters can be known ALB decreased to 0.7%. Methyl esters are reacted with triethanolamine through a transesterification reaction. The results showed esteramin water surface tension value of 34.947 dyne / cm, the HLB value of 5.25 is included in the water in oil emulsifiers scale and on a TLC plate there are two stains.
POTENSI TUMBUHAN CIPLUKAN (Physalis angulata Linn.) SEBAGAI ANTIOKSIDAN ALAMI Nuranda, Apri; Saleh, Chairul; Yusuf, Bohari
JURNAL ATOMIK Vol 1 No 1 (2016)
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Abstract

Potential of Ciplukan plant as natural antioxidants, the aim of this research is to determine the antioxidant potential of Ciplukan plant. First step is to know the active compound of the plant. Alkaloid and saponin are present at ciplukan leaves, stem and fruit, meanwhile steroid is present at leaves and stem. Moreover, flavonoid and triterpenoid is only present at stem and fruit, respectively. Phytochemical test are employed to dermine the active compound in the leaves, stem and fruit of ciplukan. Brine shimp lethality test are conducted to determine toxicity of the extract.The LC50 from the leaves extract is 962.054 ppm, stem extract is 753.558 ppm and at the fruit is 1.004,73 ppm. Antioxidant activity measurement conducted by reacting the sample with 1,1-difenil-2-pikrilhidrazil radical and measures the absorbance at wavelength 517 nm. Vitamin C is use as positive control. The inhibition concentration 50 vitamin C is 34.91 ppm. Meanwhile, the Inhibition concentration 50 of the leaves extract is 60.34 ppm, the stem extract is 56.36 ppm and the fruit extract is 63.46 ppm. These result indicated that Ciplukan plant is potensial as antioxidant source.Keywords: leaves, stems, fruit ciplukan (Physalis angulata.L), antioxidants,, DPPH and BSLT.
THE MANUFACTURE OF BIODEGRADABLE FILM FROM CEMPEDAK SEED STARCH AND CARBOXY METHYL CELLULOSE WITH THE ADDITION OF GLYCEROL Elean, Samuel; Saleh, Chairul; Hindryawati, Noor
JURNAL ATOMIK Vol 3 No 2 (2018)
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Abstract

This research about the manufacture of biodegradable film from cempedak (Artocapus champeden sp.) seed starch and CMC (Carboxy Methyl Cellulose) as well as with the addition of glycerol as a plasticizer has been studied. The purpose of this research are to knowing the concentration of glycerol which have the best of tensile strength, percent elongation, water uptake and biodegradability and knowing the characteristic of biodegradable film produced. In this research the ratio of starch: CMC used is 7:3 while the concentration glycerol is added 10%, 20%, 30% and 40% from the weight of starch. The result of the best concentration of glycerol is glycerol 10%. Glycerol 10% produce a film with 19.62 N/mm2 of tensile strength, 4.98% of percent elongation, 54.33% of water uptake and 39.96% of degradation in 2 days with degradability 24.9 mg/day. Biodegradable film characterized by using FT-IR, analysis result of functional groups showing there are alcohol (O-H) and eter (C-O) groups which indicates that the film is biodegradable.
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