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All Journal JURNAL SAINS PERTANIAN EQUATOR Jurnal Pendidikan Sosiologi dan Humaniora Diponegoro Journal of Accounting Jurnal Media Infotama ProNers Jurnal Bahan Alam Terbarukan Jurnal Sosialisasi: Jurnal Hasil Pemikiran, Penelitian dan Pengembangan Keilmuan Sosiologi Pendidikan PROSIDING SEMINAR KIMIA REPOSITORY KIMIA Jurnal Kimia Mulawarman PROFESIENSI Jurnal Daulat Hukum Jurnal Kajian Akuntansi Fokus Ekonomi JURNAL ATOMIK Regula Fidei : Jurnal Pendidikan Agama Kristen Jurnal Arsir Jurnal Teknik Informatika UNIKA Santo Thomas Gulawentah:Jurnal Studi Sosial INTECOMS: Journal of Information Technology and Computer Science Unes Law Review ComTech: Computer, Mathematics and Engineering Applications Jurnal Ilmiah Fillia Cendekia JURNAL EKSBIS Journal of the Indonesian Medical Association : Majalah Kedokteran Indonesia Abdimas Toddopuli: Jurnal Pengabdian Pada Masyarakat Prosiding National Conference for Community Service Project Jurnal Informatika dan Sistem Informasi Community Development Journal: Jurnal Pengabdian Masyarakat Reswara: Jurnal Pengabdian Kepada Masyarakat STUDI PELAKSANAAN SELFMEDICATION PADA PENDERITA DIARE BERDASARKAN TINGKAT PENGETAHUAN MASYARAKAT PESISIR KECAMATAN SOROPIA KABUPATEN KONAWE Shift Key: Jurnal Teologi dan Pengembangan Pelayanan Jurnal Kewarganegaraan Jurnal Pengabdian Masyarakat Indonesia Jurnal Pendidikan PKn Jurnal Sains, Teknologi, Urban, Perancangan, Arsitektur (Stupa) Journal La Multiapp Akasia: Artikel Ilmiah Sistem Informasi Akuntansi Journal Peqguruang: Conference Series TELEIOS: Jurnal Teologi dan Pendidikan Agama Kristen Indo-MathEdu Intellectuals Journal Jurnal Teknik Informatika Unika Santo Thomas (JTIUST) Algoritme Jurnal Mahasiswa Teknik Informatika Jurnal Atma Inovasia ABDINE Jurnal Pengabdian Masyarakat Journal of Student Research Jurnal Natural Innovative: Journal Of Social Science Research The International Journal of Tropical Veterinary and Biomedical Research Enrichment: Journal of Multidisciplinary Research and Development INTERNATIONAL JOURNAL OF HUMANITIES, SOCIAL SCIENCES AND BUSINESS (INJOSS) Journal of Technology Informatics and Engineering International Journal Multidisciplinary Journal Of Carbazon Daya Nasional: Jurnal Pendidikan Ilmu-Ilmu Sosial dan Humaniora Jurnal Medika Veterinaria Pinisi Journal of Social Science Banking & Management Review Prosiding Dedikasi: Pengabdian Mahasiswa Kepada Masyarakat Jurnal Bisnis Digital dan Enterpreneur (BISENTER) Salaga Journal Peternakan Abdi Masyarakat (PETAMAS) Jurnal Pertanian Agros
Daniel Daniel
Jurusan Kimia, Fakultas Matematika dan Ilmu Pengetahuan alam, Universitas Mulawarman
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Journal : PROSIDING SEMINAR KIMIA

 1 
SKRINING FITOKIMIA DAN POTENSI AKTIVITAS ANTIOKSIDAN EKSTRAK METANOL DAUN SINGKIL (Premna corymbose Roxb & Willd.) DENGAN METODE DPPH (1,1-diphenyl-2-picrylhydrazil ): A MINI REVIEW Dewi, Camelia Eugenia; Saleh, Chairul; Daniel, Daniel; Magdaleni, Agustina R.
PROSIDING SEMINAR KIMIA Vol 2 No 2 (2024): Prosiding SNKT III 2023
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Singkil leaves (Premna corymbose Roxb & Willd.) are a plant that is widely found in Kalimantan, and usually grows in the yard of houses or plantations. A research on phytochemicals screening and antioxidant activity test of singkil leaves (Premna corymbose Roxb & Willd.) using DPPH (1,1- diphenyl-2-picrylhydrazyl) method had been conducted. Test for alkaloids, triterpenoids/steroids, phenolic, flavonoids, saponins, and quinone were included in phytochemical screening. The results of the literature show that the methanol extract exhibits antioxidant activity in the strong category, which has an IC50 value of 20.66 μg/ml. Methanol extract of singkil leaves (Premna corymbose Roxb & Willd.) has potential as an antioxidant. Keywords: Singkil leaves (Premna cordifolia Roxb.), phytochemical screening, antioxidant, DPPH
POTENTIAL ANTIOXIDANT ACTIVITY OF METHANOL EXTRACT OF SINGKIL LEAF (Premna cordifolia Roxb.) USE DPPH METHOD: A MINI RIVIEW Firmansyah, Muchammad Ravi; Daniel, Daniel; Marliana, Eva
PROSIDING SEMINAR KIMIA Vol 2 No 1 (2023): Prosiding SNK 2023
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Singkil leaves (Premna cordifolia Roxb.) are a plant that is widely found in Kalimantan, and usually grows in the yard of houses or plantations. The antioxidant activity test of methanol extract from Singkil leaves (Premna cordifolia Roxb.) has been done. This research aims to determine the antioxidant properties of methanol extract from leaves. Based on the results of the phytochemical test, it is known that the methanol extract contains alkaloids, flavonoids, phenolics, steroids and triterpenoids. The results of the literature show that the methanol extract exhibits antioxidant activity in the "Strong" category, which has an IC50 value of 77.46 mg/L. Methanol extract of singkil leaves (Premna cordifolia Roxb.) has potential as an antioxidant. Keywords : Singkil leaves (Premna cordifolia Roxb.), antioxidant, DPPH
REVIEW ARTIKEL: PENAPISAN FITOKIMIA DAN POTENSI AKTIVITAS BIOLOGIS TANAMAN BAJAKAH (Uncaria cordata (Lour.) Merr.) Farhany, Farhany; Saleh, Chairul; Daniel, Daniel
PROSIDING SEMINAR KIMIA Vol 2 No 2 (2024): Prosiding SNKT III 2023
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Bajakah (Uncaria cordata (Lour.) Merr.) is an endemic plant to Kalimantan which is widely used as medicine. Various studies have been conducted regarding the phytochemical content and biological activity of Bajakah. Phytochemical screening was carried out for the content of alkaloids, flavonoids, polyphenols, triterpenoids, steroids, saponins, and tannins. Literature studies show that Bajakah has antioxidant activity within ethanol fraction with a very strong capacity as indicated by an IC50 value of 49.22 ppm, within the nhexane fraction with a medium capacity as indicated by an IC50 value of 108.22 ppm, and within ethyl acetate fraction with a medium capacity as indicated by an IC50 value of 130.30 ppm. Bajakah is also known to have antihyperuricemia activity by reducing uric acid levels at extract doses of 5.3 mg/30gBW, 10.6 mg/30gBW, and 21.2 mg/30gBW. Anticholesterol activity was indicated by reducing cholesterol levels at extract doses of 5.3 mg/30grW (11.45%), 10.2 mg/30grW (12.89%), and 21.2 mg/30grW (21.05%). Antiinflammatory activity was showed by testing the ethyl acetate extract of Bajakah stem at doses of 200 and 400 mg/kgBW. The acute toxicity test showed an LD50 value of >5000 mg/kgBW; indicating that the butanol fraction of Bajakah is relatively harmless and has potential as a standardized herbal medicine (OHT). Keywords : Uncaria cordata (Lour.) Merr.), phytochemical screening, bioassay
MINI RIVIEW: POTENSI ASAM MALAT (2-hydrobutanedioic-acid) DAN TURUNANNYA SEBAGAI SURFAKTAN Rachmat, A. Khafifah Dwi; Daniel, Daniel; Pasaribu, Subur P.
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

Malic acid (2-hydrobutanedioic-acid) is a dicarboxylic acid (carboxylic acid) which is generally found in many apples. Several malic acid derivatives have been synthesized through esterification and amidation reactions, including methyl malate, maleyl oleate and maleyl glutamide. Based on the results of FT-IR analysis of malic acid, it is known that there is an absorption peak at wave number 3448.72 cm¬-1 indicating the presence of an alcohol group and an absorption peak at wave number 1720.50 cm-1 indicating the presence of a carboxylic group. In methyl malate, it is known that in the wave number area of ​​1735.93 cm-1, stretching vibrations of the C=O ester carbonyl group occur. In maleyl oleate, the absorption in the wave area of ​​1743.65 cm-1 is a typical absorption from the stretching vibration of C=O ester. In maleyl glutamide, it is known that there is absorption at the peak wave number of 3425.58 cm-1 which is the stretching vibration of the NH (amide) group. The results of several literatures explain that the malic acid derivative, namely methyl malate, has an HLB value of 11.2 and can be used as an O/W (Oil in Water) emulsifier. The HLB value of maleyl oleate has a value of 4.61 which can be used as a W/O (Water in Oil) emulsifier and for maleyl glutamide the HLB is 14.84 which can be used as an O/W (Oil in Water) emulsifier. Therefore, malic acid derivatives have potential as materials for surfactant synthesis. Keywords: Malic Acid, Esterification and HLB (Hydrophilic Lipophilic Balance).
Co-Authors A An Arief Jusuf Abdul Hamid A. Yusra Abdul Latief Abdurizal Arsyad, Syech Geopandu Adi Suyatno Adu, Desmon Ayub Agatha, Septian Ahmad Ridha Akbar, Fath Ali Al Hidayah, Riama Amin, Abdul Rachmad Zahrial Amiruddin Amiruddin Amrazi Zakso ANDI ACO AGUS Andi Muhammad Fadhal Hiqh.T Pangera Andreas Saputra, Andreas Angelita, Maya Anggunadi, Angelica Anis Chariri Annisa Purbasari, Annisa Ariawan Gunadi Aritonang, Ramona Athaillah, Farida Batan, Alfrida Bihairi Hadi, Ricky Lutfi Br Ginting, Survina Osalia C. Pickerling Cahya, Lisye Mareta Cendana, Colleen Chairul Saleh Chandra Wijaya Christiyanto, Laurensius Erdin Christopher, Arvin Damanik, Justin Gamaliel Danut, Yohana Dedhi Yustendi Dewantara, Jagad Aditya Dewi, Camelia Eugenia Dewi, Ezra Shandra Dhita Wahyu Anggraeni, Dhita Wahyu Dwi Agustina Ermawati Ermawati Erwin Erwin Eva Marliana, Eva Fachrizal Ambia Farhana, Siti Farhany, Farhany Fathurrohman, Reza Fazhar Sumantri febriyanti febriyanti Feliciana, Anastasia Fellyanto, Fellyanto Ferdian, Riyan Ferdian, Ryan Fila Sasmita Firmansyah, Muchammad Ravi Fredy Purnomo Frengki Frengki, Frengki Gaanty Pragas Maniam, Gaanty Pragas Halim, Grace Suriadi Hamny Sofyan Harahap, Hanna Meyrani Harefa, Kasieli Hartono, Eric Hasibuan, Serepina Yoshika Hasriati Hasriati, Hasriati Hendrawan Armanto Hermanto Hermanto Hidayat, Farah Amalia Hiyahara, Irfan Ashari Hutabarat, Rugun Romaida Idham Khalid Imran Imran Indra Riyana Rahadjeng Indra, Natal Ismiyani, Nining Isyana Emita Iwan Ramadhan Jap Tji Beng Jonatan, Jonatan Juliana, Eva Junianto Wika Adi Pratama Justin, Justin Khairun Nisa Kimmy Keisha Avrila Rozandi Kirana, Stephani Nindya Kumahara, Wien Kurniati, Triani Larosa, Setiaman Latumahina, Bill Samuel Lelunu, Sapta Leslivania, Monika Lexa Lady Syourin Liangga, David Liku, Yeli Oktaviana Liku Lukman Hakim M Ezar Al Rivan M. Hasan Magdaleni, Agustina R. Magdaleni, Agustina Rahayu Makmur, Ali Malina, Khaira Manisha, Manisha Margareta, Serlen Marpaung, Franky Hadinata Maswadi - Maygusten, Maygusten Maylina, Ajeng Chandra Meiliana, Evita Melyani Melyani, Melyani Meriyani, Susi Michael Michael Mochammad Imron Awalludin Moron, Maria Selvi Mufid, Zainul Muhammad Fachrurrozi Bafadal Muhammad Hasan Muhammad Isa Muhammad Jalaluddin, Muhammad Muhammad Nadir Muhammad Resthu Mulyono, Romi Kurniawan Agni Muttaqien Bakri, Muttaqien Naibaho, Lamhot Nataniel Tandirogang Naufaludin, Ahmad Noni Zakiah Noor Hindryawati, Noor Nora Usrina Nugrahanto, Cornelius Septian Nurhidayah, Annisa Nurleni, Nurleni NURLIANA NURLIANA Nurmadewi, Dita Nurmawan, Mardatungga Octa Maria Sihombing Octavianus Octavianus, Octavianus Okianna Okianna Olivia, Nia Panannangan, Josua K. Partomuan Simanjuntak Parulian Hutajulu, Josua Pentagon, Pentagon Pontan, Darmawan Prancisca, Stella Pranita, Widya Pratama, Ellen Puspita Handayani Putri, Andini Amelia Putri, Erika Ardya Mesia Rachmat, A. Khafifah Dwi Rachmat, Zul Rafik, Ahmad RAHMAT GUNAWAN Rahmawati, Rahmawati Rakhmad, Rakhmad Ramadhan, Yanuar Rantung, Dyoys Anneke Ravensca, Irene Riandi, Lian Varis Rindawati, Novi Riska Riska Rismawati Rismawati Riyanto, Rahmat Fajar Rizkiana Karmelia Shaura Rosalina Putri, Kesia Roslizawaty Roslizawaty, Roslizawaty Rosmaidar Rosmaidar, Rosmaidar Rustiyarso, Rustiyarso Ryn Pratiwi, Djihan Saibun Sitorus Sandra, Putri Ayu Sanjaya, Regi Sara Ruhghea Sari, Dea Kurnia Sari, Wahyu Eka SATRIYAS ILYAS Sebastian, Novianto Sembiring, Rinawati Seputri, Merryana Sigit, Miarsono Sikwan, Agus Silvia Monica Sisilia, Desy Siti Aisyah Sitompul, Citra Uli Sitti, Nur Faridah Situmorang, Aspriska R. Solidah, Sindi Nur Soma, Yolanda V. A Sormin, Hendro Jatmiko Subagyono, R.R. Dirgarini Julia Nurlianti Subur P Pasaribu Sucipto, Rakhmat Hadi Sudrajat Sudrajat Sumeru, Indrawati Suriyanisa, Suriyanisa Suteja, Mekar Sari Sutrisno, Marshela Suzzana Winda Artha Mustika Swastika, Rahayu Syafrida, Yuni Syifa Aurelia Devina Tandjung, Muhammad Akbar Thomy Sastra Atmaja Toibah Umi Kalsum TONE, KAMARUDDIN Tony Tony Torro, Supriadi Trisna Fajar Prasetyo Variani, Joanna Rika Vedro, Vedro Vera Methalina, Vera Vincent Tristan, Radick Vincentia, Meyshela Viny Christanti M Wardhani, Lailia Dwi Kusuma Wardoyo, Arif Wasino Wasino Widiastiani, Nindry Sulistya Wirya, Wirya Yaputri, Leticia Yenni Yusriani Yohanes Bahari Yonas, Yonas Yudhistira Oscar Olendo Yulita, Wita Yunita, Risna Zulkifli Zulkifli Zulkifli, Baidillah Zuri Astari