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All Journal Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) PROSIDING SEMINAR KIMIA Jurnal Kimia Mulawarman Science and Technology Indonesia JURNAL ATOMIK Acta Chimica Asiana Jurnal Riset Kefarmasian Indonesia Narra J Jurnal Ilmiah Sains Jurnal Bahan Alam Terbarukan Jurnal Abdimas Mahakam
Eva Marliana, Eva
Jurusan Kimia Fakultas Matematika Dan Ilmu Pengetahuan Alam Universitas Mulawarman
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Education Energy Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Other

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Potensi Aktivitas Antioksidan Ekstrak Metanol Daun Sunglai (Peronema canescens Jack.) Nisa, Nahdia Khairun; Marliana, Eva; Erwin, Erwin
JURNAL ATOMIK Vol 9 No 1 (2024)
Publisher : Jurusan Kimia FMIPA UNMUL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/ja.v9i1.1277

Abstract

Sungkai (Peronema canescens Jack.) is a plant that has the potential as an antioxidant. This research was conducted to determine the antioxidant activity of sungkai leaves. The method use is DPPH damping with vitamin C as a positive control. Methanol extract of sungkai left contains alkaloids, flavonoids, saponins, phenolics and tannins. The antioxidant activity (IC50) was 81,91 mg/L. Methanol extract of sungkai leaf has the potential to have antioxidant activity.
Daya Antibakteri Extrak Metanol Batang Melicope glabra (BI.) T.G. Hartley Purnamasari, Ade Rezki; Astuti, Winni; Marliana, Eva
JURNAL ATOMIK Vol 7 No 1 (2022)
Publisher : Jurusan Kimia FMIPA UNMUL

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Abstract

ABSTRAK Uji fitokimia dan uji aktivitas antibakteri ekstrak metanol batang Melicope glabra (BI.) T.G. Hartley telah dilakukan. Ektraksi sampel batang Melicope glabra dilakukan dengan metode maserasi menggunakan pelarut metanol. Uji aktivitas antibakteri dilakukan menggunakan metode difusi agar. Hasil uji fitokimia menunjukkan ekstrak metanol batang Melicope glabra mengandung senyawa metabolit sekunder flavonoid, fenolik, triterpenoid dan steroid. Nilai MIC (Minimum Inhibitory Concentration) ekstrak metanol batang Melicope glabra (BI.) T.G. Hartley untuk bakteri Salmonella typhi adalah pada konsentrasi 1,25%, sedangkan untuk bakteri Staphylococcus aureus adalah pada konsentrasi 2,5%. Ekstrak metanol batang Melicope glabra (BI.) T.G. Hartley memiliki aktivitas antibakteri dengan spektrum luas. Kata Kunci : Melicope glabra (BI.) T.G. Hartley, aktivitas antibakteri, metabolit sekunder
RESPON VASODILATASI EKSTRAK METANOL DAUN Macaranga lamellata Whitmore SECARA IN VITRO Amalia, Elfiza; Astuti, Winni; Marliana, Eva
JURNAL ATOMIK Vol 6 No 2 (2021)
Publisher : Jurusan Kimia FMIPA UNMUL

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Abstract

The research about in vitro vasodilatation response of methanol extract of Macaranga lamellata whitmore leaves was carried out. This research was conducted to determine the vasodilatation response of methanol extract of Macaranga lamellata Whitmore leaves on changes in aortic tone of Wistar rat. The methods used include the in vitro methods by using separated aortic organ of Wistar rat. Methanol extract were given cumulatively in bath organs. Positive control is used methacholine and negative control is used DMSO solvent. T-test statistical was done to determine the significant differences between groups. Phytochemical test results showed that total methanol extract contained alkaloids, polyphenol, steroids, flavonoids and saponins. Percentage change in aortic tone by using methanol extract concentration of 0.3; 1 and 3 mg/mL respectively were -7.422%; -9.641% and -10.593%. Methanol extract of Macaranga lamellata Whitmore leaves have antihypertensive potential. Keywords: Antihypertensive, Aortic, In vitro, Macaranga lamellata Whitmore, Vasodilatation
Acute toxicity, secondary metabolites, and antioxidant activity of Macaranga tanarius from post-coal mining and non-mining areas in East Kalimantan, Indonesia Fikriah, Ika; Masruhin, Muhammad A.; Paramita, Swandari; Marliana, Eva; Panggabean, Aman S.; Ismail, Sjarif; Kusuma, Irawan W.; Kim, Yong-ung; Kim, Soo-Ya
Narra J Vol. 4 No. 2 (2024): August 2024
Publisher : Narra Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52225/narra.v4i2.791

Abstract

Coal plays a crucial role in Indonesia’s foreign exchange and East Kalimantan’s revenue sharing, yet its environmental impacts, including soil acidification, raises concerns. Reclamation measures involve revegetation with pioneer plants such as Macaranga sp., known for their medicinal properties. However, the pharmacological properties of these plants are influenced by secondary metabolites, which depend on soil parameters such as pH and nutrient levels. The aim of this study was to evaluate the acute toxicity, secondary metabolites, and antioxidant activities of Macaranga tanarius leaf extracts from post-coal mining area (MTPCMA) and non-mining area (MTNMA) alongside soil parameters. Acute toxicity of M. tanarius leaf extracts and soils were assessed using the brine shrimp lethality test (BSLT). Phytochemical screening was done using thin-layer chromatography (TLC), determining total phenolic (TPC) and flavonoid content (TFC). The DPPH radical scavenging assay was used to assess the antioxidant activity. A comparative analysis between MTPCMA and MTNMA was conducted using Student t-test. The data showed no significant difference in toxicity between MTPCMA and MTNMA leaf extracts (LC50 of 100–1000 µg/mL) (p=0.062), and soils from both areas were non-toxic (LC50 of >1000 µg/mL). Although heavy metal concentrations were higher in PCMA than in NMA soil (p<0.001), secondary metabolite compounds and TFC in both extracts were not significantly different (p=0.076). Both extracts contained flavonoids and polyphenols with antioxidant activity and terpenoids without antioxidant activities. The DPPH radical scavenging test suggested insignificant antioxidant activity between MTPCMA and MTNMA extracts (p=0.237). In conclusion, non-toxic soils in post-mining land and insignificant differences between MTPCMA and MTNMA extracts suggest good soil nutrient availability, highlighting the success of land recovery after 10 years of revegetation with M. tanarius.
AKTIVITAS ANTIOKSIDAN TUMBUHAN GENUS MANGIFERA DENGAN METODE DPPH (1,1-diphenyl-2-picrylhydrazyl) : MINI REVIEW Jannah, Nurul; Hairani, Rita; Marliana, Eva
JURNAL ATOMIK Vol 9 No 2 (2024)
Publisher : Jurusan Kimia FMIPA UNMUL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/ja.v9i2.1394

Abstract

Mangifera is a genus of the Anacardiaceae family of mangoes spread across Sumatra, Kalimantan, Java, and Bali. Several species of the genus Mangifera have been extensively researched on phytochemistry and antioxidant activity using the DPPH (1,1-diphenyl-2-picrylhydrazyl) method. The study explains that several species of the genus Mangifera contain secondary metabolite compounds, such as flavonoids, phenolics, tannins, saponins, alkaloids, triterpenoids, and quinones. The results of several studies explain that the Mangifera genus has antioxidant activity with an inhibitory concentration (IC50) value generally <50 ppm, which is a strong category, so it has the potential to be an antioxidant. Keywords : Mangifera, phytochemical screening, antioxidant activity
REVIEW ARTIKEL: SKIRINING FITOKIMIA DAN AKTIVITAS FARMAKOLOGIS TANAMAN KRATOM (Mitragyna speciosa Korth) Aina, Nur; Saleh, Chairul; Marliana, Eva
PROSIDING SEMINAR KIMIA Vol 3 No 1 (2024): Prosiding SNK 2024
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

Kratom (Mitragyna speciosa korth) is one of the plants found in forest areas in Indonesia. Phytochemical screening and pharmacological activity of kratom plants (Mitragyna speciosa Korth) have been conducted. Some studies show kratom plants contain secondary metabolites, namely alkaloids, flavonoids, saponins, triterpenoids, tannins and terpenoid-steroids. Literature studies show kratom leaves have strong antioxidant activity with IC50 values <50 ppm. Kratom leaves have antinonceptive activity in the dichloromethane fraction at doses of 70 mg/kgBB (51%), 140 mg/kgBB (81%) and 280 mg/kgBB (86%). Antimicrobial activity against staphylococcuc pidermidis bacteria with a concentration of 5% (7.23 mm) 10% (10.50 mm), 15% (11.78 mm), 20% (12.63 mm) and 25% (13.69 mm). Stems and roots of kratom plants have antibacterial activity against propionibacterium acnes bacteria, stem concentration 5% (5.71 mm ± 0.40), 10% (6.75 mm ± 0.26) and 15% (6.78mm ± 0.29), on roots 5% (5.4 mm ± 0.12), 10% (5.8 ± 0.08) and 15% (6.21 mm ± 0.36). Anti-inflammatory activity with a dose of kratom extract 0.5 mg/grBB (46.37 mm ± 10.04), 1 mg/grBB (32.33 mm ± 11.24), 2mg/grBB (26.69 mm ± 6.57). Acute toxicity test in the reflux method LC50 value of 71.08 ppm while the maceration method LC50 value of 143, 50 the results shown are included in the toxic category. Keywords: Mitragyna speciosa korth, Mitragyna, phytochemical screening
ADSORPSI METHYLENE BLUE OLEH ARANG AKTIF: MINI REVIEW Mulyana, Mulyana; Wirawan, Teguh; Marliana, Eva
PROSIDING SEMINAR KIMIA Vol 3 No 1 (2024): Prosiding SNK 2024
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

Methylene blue is a cationic dye molecule which is quite dangerous for the body, one of which can cause irritation of the digestive tract if swallowed, cause cyanosis if inhaled, and cause skin irritation if touched. Adsorption is one of the separation methods most often used in most industries, because the process is easy, and the operating costs are also relatively cheap. Activated charcoal is widely used as an adsorbent material because it has high porosity and surface area and has good absorption capacity for organic and non-organic materials. In this research, a literature study has been carried out on the adsorption of methylene blue with activated charcoal adsorbent from various types of ingredients. There are various factors that can influence the adsorption ability of methylene blue by activated carbon, such as the type of original material, the type of activator used to include HCl, NaCl, KOH, NaOH, H2SO4, and Na2CO3, as well as the temperature range for carbonation between 300-700oC. Adsorption parameters varied, such as pH between 4-9, contact time between 20-240 minutes, and adsorption capacity between 6.90-1614.968 mg/g. Keywords: Methylene blue, Adsorption, Activated charcoal.
Macaranga hullettii King ex Hook.f : SOURCE OF FLAVONOIDS Pramana, Aditiya Hadi Ryan; Marliana, Eva; Ruga, Ritbey
JURNAL ATOMIK Vol 5 No 1 (2020)
Publisher : Jurusan Kimia FMIPA UNMUL

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Abstract

Flavonoid compound had been isolated and characterized on fraction ethyl acetate of Macaranga hullettii King ex Hook.f leaves. The separation process in fraction ethyl acetate was performed using vacuum and gravity column chromatography with a gradient polarity method. The isolate was characterized as MH-1 flavonoid compound in the yellow crystals and 0.0432 g. Analysis of MH-1 with spectrophotometer UV showed two peaks at λ 268.46 (band II) and 340 nm (band I). Analysis of MH-1 with spectrophotometer IR showed OH functional groups, C-O-C, C=O, aliphatic C-H, aromatic C-H, and aromatic C=C. The MH-1 is assumed to be a flavonoid.
UJI AKTIVITAS ANTIBAKTERI DAUN RAMBAI (Baccaurea motleyana Mull. Arg.) Rachman, Ferry Aditya; Saleh, Chairul; Marliana, Eva
JURNAL ATOMIK Vol 5 No 1 (2020)
Publisher : Jurusan Kimia FMIPA UNMUL

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Abstract

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.
ISOLATION OF ENDOPHYTIC BACTERIA FROM OKRA FRUIT (Abelmoschus esculentus L. Moench) Mikdariawan, Adha; Astuti, Winni; Marliana, Eva
JURNAL ATOMIK Vol 6 No 1 (2021)
Publisher : Jurusan Kimia FMIPA UNMUL

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Abstract

Endophytic bacteria is a bacteria that live in plant tissues without disrupt the plant's life cycle. This research aims to isolate endophytic bacteria from okra fruit (Abelmoschus esculentus L. Moench). Before isolation, okra fruit was sterilized by the outer surface with aquadest, 5.25% NaClO and 95% ethanol. The okra fruit sample is then cut and the inside of the okra fruit is cultured in a nutrient agar (NA). The results of this test indicate that there are endophytic bacteria that grow characterized by the presence of turbid areas around the sample. The results of isolation of endophytic bacteria using the method of stocking cup were obtained by 28 isolates of endophytic bacteria.
Co-Authors -, Nurfadzillah Afandi, Irvan Agustina R. M. Alma Yulvita Pebriana Amalia, Elfiza Aman S. Panggabean Amantha, Dhita Novalia Anggriani, Yusnia Wati Aryoga Oktabriangga Saputra Audia, Nuraini Meti Ayu Mellyanti Az-zahra, Deannisa Khoiru Chairul salaeh Daniel Daniel -, Daniel Daniel Daniel Daniel Daniel Daniel Daniel Daniel Daniel Dewi, Dynda Rosiana Djihan Ryn Pratiwi Djihan Ryn Pratiwi, Djihan Ryn Doni Prio Atmoko Dwi Lestari Ersa Marina Rahmawati Erwin Erwin Erwin Erwin Erwin Erwin Erwin Erwin Fikriah, Ika Firmansyah, Muchammad Ravi Husnul Chatimah Ika Yekti Liana Sari Indra Masmur irfa Ashari Hyahara Isyahro, Novia Rahmawati Jumaidil Awal K Y Margiati, K Y Kim, Soo-Ya Kim, Yong-ung Kusuma, Irawan W. Madaniah Fathirah Magdaleni, Agustina Rahayu Masmur, Hestina Masruhin, Muhammad A. Medi Hendra Medi Hendra, Medi Mikdariawan, Adha Muh. Naufal Hisyam Muhammad Marion Akbar Mulyadi Tanjung Mulyana Mulyana Mulyana Mulyana Nabila, Sahira Fara Nanang Tri Widodo Nanang Tri Widodo Nanang Tri Widodo Nisa, Nahdia Khairun Noor Hindryawati Noor Hindryawati, Noor Novia Rahmawati Isyahro Novia Rahmawati Isyahro Nur Aina Nur Hidayah Nur Khasanah Nur Khsanah Nurul Jannah Pramana, Aditiya Hadi Ryan Purnamasari, Ade Rezki Rachman, Ferry Aditya Rahimah, Priliza Rahmat Gunawan Rakasiwi, Dea Ramadhani, Riski Vebryanti Ratih Dewi Saputri Ratna Kusuma Rismawati Rismawati Rita Hairani Ritbey Ruga Ritson Purba, Ritson Rudi Kartika, Rudi Ruga, Ritbey Saibun Sitorus Saleh, Chairul Siti Halidjah Siti Mariyatul Ulfah Siti Nurjanah Soerja Koesnarpadi Subur P Pasaribu Swandari Paramita Syamsul Arifin T, Nurnaningsi Teguh Wirawan, Teguh Tjitjik Sri Tjahjandarie Tjitjik Srie Tjahjandarie Tullah, Mirna Hidaya Winni Astuti Winni Astuti, Winni