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All Journal COPING (Community of Publishing in Nursing) Jurnal Veteriner Jurnal Energi Dan Manufaktur Jurna lAntropologi Indonesia Jurnal Ners Indonesia Jurnal Ilmu Manajemen (JIM) Komunikasi Fisika Indonesia JSM (Jurnal SIFO Mikroskil) Jurnal Online Mahasiswa (JOM) Bidang Ilmu Keperawatan Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains JIKSI (Jurnal Ilmu Komputer dan Sistem Informasi) Holistic Journal Of Management Research Jurnal Perikanan dan Kelautan Annual Research Seminar PROSIDING SEMINAR KIMIA REPOSITORY KIMIA JURNAL PENDIDIKAN KEPERAWATAN INDONESIA Jurnal Kesehatan Gigi JOURNAL ONLINE OF PHYSICS Jurnal Kimia Mulawarman Jurnal Ilmiah Mahasiswa Veteriner EMPATI : JURNAL ILMU KESEJAHTERAAN SOSIAL Jurnal Mirai Management JISPO (Jurnal Ilmu Sosial dan Ilmu Politik) JST ( Jurnal Sains Terapan ) BIOEDUSCIENCE JURNAL EDUCATION AND DEVELOPMENT AkMen JURNAL ILMIAH JURNAL MathEdu (Mathematic Education Journal) Edumaspul: Jurnal Pendidikan Jurnal Hilirisasi IPTEKS (JHI) Jurnal Humaniora : Jurnal Ilmu Sosial, Ekonomi dan Hukum Menara Ilmu Jurnal Abdimas Mahakam Business Management Journal Program Studi Manajemen PRAJA: Jurnal Ilmiah Pemerintahan Jurnal Ilmu Manajemen Profitability Ranah Seni: Jurnal Seni dan Desain Ikhtisar: Jurnal Pengetahuan Islam Populer: Jurnal Penelitian Mahasiswa Jurnal Ilmiah MEA (Manajemen, Ekonomi, dan Akuntansi) The International Journal of Tropical Veterinary and Biomedical Research RechtIdee Jurnal Medika Nusantara Jurnal Medika Veterinaria Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer
Erwin Erwin
Jurusan Antropologi FISIP Universitas Andalas
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Journal : PROSIDING SEMINAR KIMIA

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EKSTRASI DAN PENENTUAN KADAR GALAKTOMANAN DARI BUAH NIPAH (Nypa fructicans Wurmb) Andi Fatmawati Padri Hasanah; Subur P. Pasaribu; Erwin Erwin
PROSIDING SEMINAR KIMIA 2021: SEMINAR NASIONAL KIMIA 2021
Publisher : PROSIDING SEMINAR KIMIA

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Abstract

Buah nipah (Nypa fructicans Wurmb) merupakan salah satu tumbuhan yang banyak ditemukan di pesisir pantai. Penelitian ini bertujuan untuk mengekstraksi dan menentukan kadar galaktomanan yang terdapat dalam buah nipah. Ekstraksi dilakukan dengan cara merendam bubuk buah nipah (20 g) ke dalam akuades dan diendapkasn menggunakan agen pengendap etanol 96%. Endapan yang diperoleh berwarna putih, dikeringkan kemudian ditimbang. Dari hasil penelitian diperoleh galaktomanan sebanyak 0,12 g. berdasrkan hasil perhitungan rendamen diperoleh sebesar 0,6%. Kata kunci: Nipah, galaktomanan, Ekstraksi, endapan, dan etanol.
SKRINING FITOKIMIA DAN UJI TOKSISITAS PADA DAUN TERAP (Artocarpus elasticus) DENGAN METODE BRINE SHRIMP LETHALITY TEST (BSLT) Mahardika Nastiti; Erwin Erwin; Irawan W. Kusuma
PROSIDING SEMINAR KIMIA SEMINAR NASIONAL KIMIA 2017
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A research to find out the secondary metabolite compounds contained in theleaves of terap (Artocarpus elasticus) and its toxicity of terap leavesextract has been done by using Brine Shrimp Lethality Test (BSLT) method. Toxicity was conducted for prawn Artemia salina Leach of 48 hours age. Toxicity data were obtained from Lethal Concentration 50% (LC50) with percentage of death of prawn larva and counted by probit analysis SAS. The result showed that 5thn-hexane fraction was more toxic than another extract with LC50 values 71.887 ppm and furthermore, the bioactive compound of 5thn-hexane fraction was probably to be either steroid compound. Keywords: Artocarpus elasticus, Phytochemical, Toxicity
UJI FITOKIMIA DAN UJI TOKSISITAS EKSTRAK KULIT KAYU TERAP (Artocarpus odoratissimus Blanco.) DENGAN METODE BSLT (BRINE SHRIMP LETHALITY TEST) Yoarga Arsindho; Erwin Erwin; Irawan W Kusuma
PROSIDING SEMINAR KIMIA SEMINAR NASIONAL KIMIA 2017
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Abstract

The phytochemical tests and toxicity test extract from stem bark of terap (Artocarpus odoratissimus Blanco) have been researched. The method used is Brine Shrimp Lethality Test (BSLT), the ethanol and n-hexane extract of this bark terap (A. odoratissimus) were tested. The results showed that the secondary metabolic component from terap (A.odoratissimus)was toxic. The LC50 from the extract of terap (A. odoratissimus) that dissolved in Ethanol was 82.0008 and The LC50 from the extract of terap (A.odoratissimus) that dissolved in n-Hexane was 383.3533 Keywords:Artocarpus odoratissimus, BSLT (Brine Shrimp Lethality Test), LC50
PEMBUATAN DAN PEMANFAATAN SILIKA DARI PASIR PANTAI SEBAGAI BAHAN PEMUCAT UNTUK MENURUNKAN KADAR ASAM LEMAK BEBAS PADA CPO (CRUDE PALM OIL) Nirwana Nirwana; Alimuddin Alimuddin; Erwin Erwin
PROSIDING SEMINAR KIMIA SEMINAR NASIONAL KIMIA 2018
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A study on the manufacture and utilization of silica from coastal sand as a pale ingredient to lower free fatty acid levels has been conducted. The present invention includes sample preparation, sodium silicate (Na2SiO3), silica gel formation, silica gelation and Crude Palm Oil (CPO) test result of bleaching. The results showed that the silica of coastal sand was potential as a crude palm oil (CPO) ingredient with the ability to decrease the free fatty acid and color brightness, on the addition of 1 gram of silica obtained result of free fatty acid content analysis is 24,35 % with decreased color brightness of 0,27% and on the addition of 2 gram of silica obtained result of free fatty acid content analysis is 42,49 % with decreased color brightness of 2,8%. Keywords: Sand Beach Sebatik Island, Silica, Bleaching, Crude Palm Oil (CPO), Free Fatty Acid Levels.
SKRINING FITOKIMIA DAN AKTIVITAS ANTIOKSIDAN EKSTRAK METANOL KAYU BATANG MENTAWA (Artocarpus anisophyllus Miq.) Octariana Toding Pabita; Erwin Erwin; Irawan Wijaya Kusuma
PROSIDING SEMINAR KIMIA SEMINAR NASIONAL KIMIA 2019
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Penelitian mengenai uji fitokimia dan aktivitas antioksidan pada ekstrak batang Mentawa (A. anisophyllus Miq.) telah dilakukan. Penelitian ini bertujuan untuk mengetahui kandungan senyawa metabolit sekunder dan nilai aktivitas antioksidan terhadap radikal bebas DPPH (2,2-diphenyl-1-picrylhidrazil) pada ekstrak metanol dari batang mentawa. Hasil uji fitokimia menunjukkan bahwa ekstrak metanol pada batang mentawa (A. anisophyllus Miq.) mengandung golongan senyawa flavonoid, fenolik dan triterpenoid dan hasil uji aktivitas antioksidan menunjukkan nilai IC50 ekstrak metanol yaitu 34.58 ppm. Hasil pengujian dengan menggunakan metode DPPH menunjukkan bahwa ekstrak kasar dikategorikan sebagai antioksidan sangat kuat. Kata Kunci : Mentawa, fitokimia, antioksidan, dan DPPH
UJI FITOKIMIA, TOKSISITAS (BRINE SHRIMP LETHALITY TEST) SERTA ANTIOKSIDAN KULIT BATANG TERAP (Artocarpus elasticus reinw) DENGAN METODE DPPH (2,2-diphenyl-1-picrylhidrazyl) Maulidya Hafsari Fauzi; Erwin Erwin; Irawan W. Kusuma
PROSIDING SEMINAR KIMIA SEMINAR NASIONAL KIMIA 2017
Publisher : PROSIDING SEMINAR KIMIA

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Abstract

Phytochemical test, the mortality of larvae shrimp (Brine Shrimp Lethality Test) and antioxidant activity test of secondary metabolites stem bark of Terap (Artocarpus elasticus reinw) by several of method such as extraction, phytochemical test, the mortality of larvae shrimp (Brine Shrimp Lethality Test) and antioxidant activity test. Based on the result of Brine Shrimp Lethality Test was analyzed using SAS probit analysis to know the value of Lethal Concentration 50 % (LC50), Brine Shrimp Lethality test result that the fraction of ethyl acetate has the highest toxicity with LC50 value obtained 153,3788 ppm. Based on the results of antioxidant activity test that ethanol extract has the highest antioxidant activity with IC50 value obtained at 70.59 ppm. Based on the Phytochemical test, the mortality of larvae shrimp (Brine Shrimp Lethality Test) and antioxidant activity test , it was obtained secondary metabolite compound of phenolic active in stem bark of Terap. Keywords: Terap (Artocarpus elasticus reinw), Brine Shrimp Lethality Test, Antioxidant Activity test.
UJI FITOKIMIA DAN UJI TOKSISITAS EKSTRAK KASAR DAUN, BATANG DAN KULIT BATANG TANAMAN DURIAN (Durio zibethinus Murray) Ade R. Fajaryantie; Erwin Erwin; Subur P. Pasaribu
PROSIDING SEMINAR KIMIA 2021: SEMINAR NASIONAL KIMIA 2021
Publisher : PROSIDING SEMINAR KIMIA

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Durian (Durio zibethinus Murray) termasuk buah-buahan yang dapat dimakan. Secara tradisional, daun durian telah lama dikenal dan dimanfaatkan oleh masyarakat untuk menurunkan demam. Tujuan penelitian ini adalah untuk mengetahui kandungan metabolit sekunder yang terkandung dalam ekstrak kasar daun, batang dan kulit batang tanaman durian serta menentukan tingkat toksisitasnya terhadap larva udang (Artemia salina L.) dengan metode Brine Shrimp Lethality Test (BSLT). Hasil uji fitokimia menunjukkan bahwa ekstrak kasar daun durian mengandung metabolit sekunder golongan flavonoid dan alkaloid, ekstrak kasar batang mengandung flavonoid dan alkaloid serta ekstrak kasar kulit batang mengandung flavonoid, alkaloid, triterpenoid dan saponin. Berdasarkan uji toksisitas, kasar kulit batang tanaman durian bersifat sangat toksik dengan nilai LC50 4,43 ppm sedangkan ekstrak kasar daun dan batang durian bersifat toksik dengan nilai LC50 berturut-turut 45,26 ppm dan 54,98 ppm. Kata kunci: Durian, fitokimia, toksisitas, metabolit sekunder dan BSLT.
UJI FITOKIMIA DAN UJI TOKSISITAS EKSTRAK KASAR DAUN, BATANG DAN KULIT BATANG TANAMAN AFRIKA (Vernonia amygdalina Del.) Indah Ashari Rahmadani; Erwin Erwin; Djihan Ryn Pratiwi
PROSIDING SEMINAR KIMIA 2021: SEMINAR NASIONAL KIMIA 2021
Publisher : PROSIDING SEMINAR KIMIA

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Abstract

Tanaman afrika (Vernonia amygdalina Del.) merupakan salah satu tanaman obat yang banyak dimanfaatkan oleh masyarakat. Tujuan penelitian ini yaitu untuk menentukan kandungan senyawa metabolit sekunder yang terdapat dalam ekstrak kasar daun, batang dan kulit batang tanaman Afrika (Vernonia amygdalina Del.) serta menentukan tingkat toksisitas (menentukan nilai LC50 dari ketiga ekstrak kasar tersebut) menggunakan metode BSLT (Brine Shrimp Lethality Test). Hasil yang diperoleh dari penelitian ini yaitu metabolit sekunder yang terkandung pada ekstrak kasar daun afrika yaitu flavonoid, triterpenoid dan steroid, pada ekstrak kasar batang tanaman afrika yaitu alkaloid, flavonoid dan steroid serta pada ekstrak kasar kulit batang tanaman afrika yaitu alkaloid, flavonoid, fenolik, triterpenoid dan steroid. Nilai LC50 ekstrak kasar daun, batang dan kulit batang tanaman afrika sebesar 399,85 ppm; 118,25 ppm dan 80,82 ppm, secara berturut-turut. Ketiga jenis ekstrak ini bersifat toksik (LC50 < 1000 ppm). Kata kunci: Tanaman afrika, fitokimia, toksisitas
UJI TOKSISITAS DENGAN METODE BSLT EKSTRAK KASAR KULIT BATANG TAMPOI (Baccaurea macrocarpa) Diasttri Wahyu Rahmah Day; Erwin Erwin; Winni Astuti
PROSIDING SEMINAR KIMIA SEMINAR NASIONAL KIMIA 2018
Publisher : PROSIDING SEMINAR KIMIA

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Abstract

Baccaurea macrocarpa (Tampoi) merupakan genus Baccaurea termasuk tumbuhan yang berbuah. Secara tradisioanal daun dan kulit batangnya dipergunakan sebagai bahan obat. Penelitian ini bertujuan untuk mengetahui tingkat toksisitas dari ekstrak kulit batang Tampoi. Metode yang digunakan meliputi ekstraksi dan partisi, uji fitokimia, Brine Shrimp Lethality Test (BSLT) ekstrak dan fraksi-fraksinya. Hasil uji fitokimia terhadap ekstrak kasar alkaloid, triterpen, fenol and flavonoid. Hasil uji toksisitas ekstrak kasar termasuk katagori tidak beracun dengan nilai LC50 19364,71 ppm. Keywords : Baccaurea macrocarpa, tradisional, Toksisitas, BSLT.
PEMBUATAN BRIKET ARANG DENGAN MEMANFAATKAN LIMBAH DARI TEMPURUNG BIJI KETAPANG (Terminalia catappa) DAN TEMPURUNG BIJI KEMIRI (Aleurites molucanna L. Willd.) Sandi Christopher Hutagalung; Erwin Erwin; Aman Sentosa Panggabean
PROSIDING SEMINAR KIMIA SEMINAR NASIONAL KIMIA 2017
Publisher : PROSIDING SEMINAR KIMIA

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Abstract

Tropical almond (Terminalia catappa) seed shell and candlenut (Aleurites molucanna L. Willd) seed shell has a huge potential as a source of alternative energy in the manufacture of coal briquettes. This research has been conducted using method of carbonization, mixing, molding, drying and then the briquettes quality was analyzed with test parameters namely inherent moisture content, ash content, volatile matter content, fixed carbon content and calorific value. The results showed that mixture of tropical almond seed shell and candlenut seed shell can be used as briquettes. In this study, the best quality briquettes with mixture variation of tropical almond seed shell and candlenut seed shell was obtained in mixture variation of 25% tropical almond seed shell and 75% candlenut seed shell with calorific value was 5043 cal/gr, fixed carbon content was 47.22%, volatile matter content was 25.96%, ash content was 4.7% and inherent moisture content was 22.11%. But 100% candlenut seed shell also have a good quality briquettes with calorific value was 5098 cal/gr, fixed carbon content was 47.23%, volatile matter content was 28.44%, ash content was 4.24% and inherent moisture content was 20.08%. Keywords: Briquette, Carbonization, Calorific Value, Terminalia catappa, Aleurites molucanna L. Willd
Co-Authors Abd Hafiz Abd Salam Abdul Khoiruddin Abdul Rahim Ade Irwandi Ade R. Fajaryantie Afiqah Binti Abd Latif Al Azhar Alfian Konadi Alimuddin Alimuddin Aman Sentosa Panggabean Amelya Poaler Amiruddin . Andi Fatmawati Padri Hasanah Andrean Andrean Aninda Fitra Aulia Anis Munandar Ari Pristiana Dewi Asnita Purnama Asra Ilal Khairi Ayu Wahyuni Bayhakki Bayhakki Benny Prima Budianto Panjaitan Cicilia Dewi Cindy Lestari Cindy Yoel Tanesia cut nila tasmi Daniel Tarigan Dany Umbu Darwin Karim Dasrul Dasrul Dedi Kuswandi Dedi Nuryadi Deni Noviana Denny, Hanifa Maher Desi Wahyuni Devi Dianti Dian Masyitha Diasttri Wahyu Rahmah Day Dinda Jasmal Sikumbang Diyaa Aaisyah Salmaa Putri Atmaja Djihan Ryn Pratiwi Djihan Ryn Pratiwi Ekowati Handharyani Emini Emini Erfina Erfina Etriwati E Eva Marliana, Eva Fathra Annis Nauli Fernando Laurence Chandra Firman Syarief Fitri Jelita Fridarti, Fridarti Gamya Tri Utami Gunanti . Gunawan Wibisono Hamdan Hamdan Hamida Hamida Haritsah Hammamah Harahap HEFRI YUNALDI Hellena Deli Hendri Vinchen Herlina Herlina Hernawati Gohzali Hesti Helpiyani Hsiu Ju Chang Ida Rosanti Ika Yekti Liana Sari Indah Ashari Rahmadani Indah Sri Agustina Irawan W Kusuma Irawan W. Kusuma Irawan Wijaya Kusuma, Irawan Wijaya Irawati Irawati irfa Ashari Hyahara Irna Febrianti Irwan Irwan Islami, Syaifuddin Ismail Edfar Janson Hendryli Jeffrey Onggo Jendrius Jendrius Jumaini, Jumaini Juniar Ernawaty Ki Agus Dahlan Krisman Krisman Lendra Agustira Lina Lina Liza Oktafani M Hasan M Isa Mahardika Nastiti Malissa Kay Shaw Marlina, Devi Marwin Didik Antoro Maulidya Hafsari Fauzi Mediagus Mediagus Melinda Noer Melson Melson meutya silviana morow MHD. Ali Safitroh Mila Wati Mimi Susanti Mira Damayanti Monita Olivia Muh Nur R Muhammad Aththur Shadiq Muhammad Fathur Ridho Muhammad Hambal Muhammad Nur Alam Muhammad Taufik A. A. R Mulyadi Adam Musdalifah Musdalifah Muttaqien Muttaqien Muzayyanah Jabani Najmudin Med Nazaruddin Nazaruddin Nepta Yulita Nessya Fitriyona Nirwana Nirwana Nirwanto Pasuluran Noor Hindryawati Novitasari Wijayanti Silalahi Novredha Rahmadita Nur Sella Nurul Huda Nuzul Asmilia Octariana Toding Pabita Purbawati Purbawati Puspa Riani Nasution Putra Sunan Agung Rachmat Syahadat Raden Roro Soesatyoratih RAHMAT SYAHNI Rahmi Maulia Ratih Ellyza Putri Reztika Cahyani Rika Anggita Rini Widiyastuti Riri Novayelinda Rismadefi - Woferst Robi Mitra Rudi Febriamansyah Rusda Khairati Rusli Rusli Salam, Karta Negara Salomo Salomo Salomo Salomo SALSA ADELIA RAHMADANI Salsabila, Unik Hanifah Sandi Christopher Hutagalung Sandra Utama Putra Sangkot Hani Rizki Saparuddin Saparuddin Saputra, Edriagus Selma Laily Nur Afifa Septi Akhwi Fanni Septiana Anjora Shayrilia Ivanovanny Angesti Shintia Alifah R Sinar Dharmayana Putra Sitorus Anna Margarettha Sitti Fatimah AZ. Sofiana Nurchayati Sri Mulyani Sri Novi Restari Sri Wahyu Gusti Fajri Sri Wahyuni Steven Steven Subur P Pasaribu Sugito Sugito Sunario Megawan Sus Derthi Widyari Syafrizal Syafrizal Syafruddin Syafruddin Syafwan Syafwan Syahrizal Syahrizal t fadrial karmil Tasruddin Tasruddin Tini Suminarti Tjan Tjan Tri Isyani Tungga Dewi Tri Riski Amalia Tridian Novia Gelis Triva Murtina Lubis Tumpal J. R Sitinjak Tuti Afriani Ummu Balqis Untari Tejawati Usman Malik Usman Usman Utami Maulina Hutabarat Viny Christanti M Vivi Oktaviani Wendy Winata Wendy Winata Winarto Poernomo Winni Astuti Yandi Suprapto Yanuari Eka Fitri Yesi Hasneli Yesi Hasneli N Yoarga Arsindho Yuliani Setyaningsih Yurnalis Yurnalis Yusmaniar Yusmaniar Yuswardi Yuswardi Yuyun Karystin Meilisa Suade Yuyun Karystin Meilisa Suade Zainuddin Zainuddin Zihni Sharfina Darmizah Zubaidah A Zubaidah R, Zubaidah Zuhendri Zuhendri Zukhra, Ririn Muthia Zulkarnaen Zulkarnaen