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Pemberdayaan Sumber Daya Lokal Dengan Pemanfaatan Limbah Kulit Kopi Robusta (Coffea canephora) Sebagai Biobriket di Desa Tanah Wulan Kabupaten Bondowoso Purimahua, Amanda Augre Maharani; Hidayat, Debby Aurellia; Dihayat, Icha Shofia; Herdianto, Dimas Nur; Asshofy , Muhammad Agil; Khotimah, Husnul; Lumbantoruan, Sri Lestari; Firmansyah, Muhammad Sahrul; Pravitasiwi, Nanda Tricya Julia; Ramadana, Ifan; Uzinuzulla, Yunita Virda; Palupi, Bekti; Fachri, Boy Arief; Rahmawati, Istiqomah
Dedikasi:Jurnal Pengabdian kepada Masyarakat Vol. 4 No. 2 (2024): Jurnal Dedikasi
Publisher : Universitas Jayabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31479/dedikasi.v4i2.292

Abstract

Chemical Engineering Mengabdi 2023 is a manifestation of community service contained in one of the tridharma of higher education. Chemical Engineering Mengabdi 2023 activities are a means of transferring knowledge and technology from academics to the community. In the implementation of this activity, Chemical Engineering students of Jember University are expected to help the community overcome the problem of robusta coffee skin waste, and can empower the economy of Tanah Wulan Village residents by providing knowledge about the utilization of local resources and the utilization of coffee skin waste into briquette products with high economic value. The implementation of the service is divided into two, namely socialization and practice of making biobriquettes. Socialization activities were carried out to convey material on processing coffee skin waste into briquettes. Furthermore, the practice of making biobriquettes is carried out using the pyrolysis method. In this service activity, an environmentally friendly biobriquette product was obtained, which has consistent heat efficiency, and an economical price.
Effect of Time Variation on Chlorophyll Concentration in Cocoa Leaf Extraction using the UAE (Ultrasonic Assisted Extraction) Method Rahmawati, Istiqomah; Shabrina, Nadhilah; Fachri, Boy Arief; Amini, Helda Wika; Palupi, Bekti; Rizkiana, Meta Fitri; Nurtsulutsiyah, Nurtsulutsiyah; Pradipta, Shima Nuril; Afwal, Diza Raudhatul; Reza, Muhammad
Jurnal Kartika Kimia Vol 5 No 1 (2022): Jurnal Kartika Kimia
Publisher : Department of Chemistry, Faculty of Sciences and Informatics, University of Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jkk.v5i1.97

Abstract

Until now, Cocoa (Theobroma cacao L.) plantation is a sector that has been continuously cultivated. Cocoa leaves contain chlorophyll, which is an important pigment in photosynthesis as sunlight absorber. The aim of this study is to determine the effect of extraction time to the concentration of chlorophyll in cocoa leaves. The extraction time was varied from 5 to 25 min with constant variables, namely power and ratio of raw materials. In this study, Ultrasonic Assisted Extraction (UAE) method was used due to its effectiveness. The concentration of obtained chlorophyll was determined by using UV-Vis spectrophotometry. The optimum extraction time was 15 min producing concentration of chlorophyll a of 9.39 mg/L, chlorophyll b of 4.78 mg/L, and total chlorophyll of 14.16 mg/L.
Optimization of Microwave Ultrasound Extraction of Biopolymer from using Response Surface Methodology Rahmawati, Istiqomah; Annisa, Yasmin; Farwah, Zilma Aliyah; Adrian, Febri; Anggraini, Ranita Anggi; Fachri, Boy Arief; Reza, Muhammad; Rizkiana, Meta Fitri; Palupi, Bekti; Amini, Helda Wika
Jurnal Kartika Kimia Vol 6 No 2 (2023): Jurnal Kartika Kimia
Publisher : Department of Chemistry, Faculty of Sciences and Informatics, University of Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jkk.v6i2.174

Abstract

This study aims to determine the effect of combining the two extraction methods Microwave Assisted Extraction (MAE) and Ultrasound-Assisted Extraction (UAE) on the yield and content of ulvan polysaccharides from Ulva lactuca with the best operation condition. Algae biomass U. lactuca is abundant, according to its content, U. lactuca contains polysaccharides which can be used as biodegradable plastic materials. The extraction was carried out using Microwave Ultrasound Extraction by varying the microwave power from 100 to 800 watts, the microwave time variations from 10 to 50 minutes, the ultrasonic wave temperature range from 40-80 oC, and the ultrasonic wave time variations from 20 to 50 minutes. Optimization was performed using the response surface methodology center composite design methodology for a total of 28 runs. Several tests were carried out to determine the character of the ulvan polysaccharide, including water content, FT-IR spectroscopy, High-Performance Liquid Chromatography, and its antioxidant activity. The effect of combining Microwave Assisted Extraction (MAE) and Ultrasound-Assisted Extraction (UAE) provides an optimal extraction condition with higher yields and good quality ulvan.
Preparation and Characterization of Cellulose Acetate from Pandanus tectorius via Microwave Irradiation Rizkiana, Meta Fitri; Amrullah, Abdul Malik Karim; Elisah, Nor; Amini, Helda Wika; Palupi, Bekti; Rahmawati, Istiqomah; Fachri, Boy Arief
Indonesian Journal of Chemical Research Vol 12 No 1 (2024): Edition for May 2024
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2024.12-riz

Abstract

This research focuses on extracting cellulose from thorn pandan and evaluating its potential as a raw material for cellulose acetate. Thorn pandan contains polysaccharides, especially cellulose. In its fabrication process, cellulose acetate is produced from cellulose acetylation reaction. Cellulose is extracted using the Microwave-assisted Extraction method with variations in NaOH concentration (1, 2, and 3%), H2O2 concentration (10, 20, and 30%), and time variables (20, 40, and 60 minutes). Extraction optimization was performed with Response Surface Methodology (RSM) model BBD (Box-Behken Design). Several characterizations were carried out to determine the characteristics of cellulose acetate, namely Degree of Acetylation, FT-IR spectroscopy and X-Ray Diffraction (XRD). The highest cellulose yield obtained in the extraction process was 50.7% with a variable of 3% NaOH, 30% H2O2 and 60 minutes. XRD analysis shows the angle value 2θ = 22.53798° of thorn pandan cellulose structure is almost similar to commercial cellulose. FTIR functional group identification of cellulose acetate showed the presence of carbonyl (C=O) and (C-O Acetyl) group, respectively seen at wave numbers 1734 cm-1 and 1256 cm-1. The acetyl content of cellulose acetate from thorn pandan produced is 35.475%. Therefore, thorn pandan biomass has the potential as a raw material for making cellulose acetate.
Sosialiasasi dan Implementasi TTG Produksi Pupuk Cair Organik di Desa Banjar Sengon Reza, Muhammad; Sjaifullah, Achmad; Busroni, Busroni; Rahmawati, Istiqomah; Khotimah, Husnul; Ridho, Moh Zeinur; Robaniyah, Septiana Kholifatur; Fitriati, Diana
Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Vol 7, No 3 (2024): Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstormin
Publisher : Politeknik Harapan Bersama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/japhb.v7i3.6927

Abstract

Ketergantungan masyarakat terhadap penggunaan pupuk kimia menyebabkan turunnya produktivitas tanah. Guna mengurangi kerusakan lingkungan diperlukan penyeimbangan penggunaan pupuk kimia dengan pupuk organik. Bahan yang berpotensi untuk digunakan dalam pembuatan pupuk organik adalah limbah pertanian, salah satunya pemanfaatan limbah kulit buah kakao. Kulit buah kakao memiliki kandungan hara berupa C-organik yang tinggi yakni sekitar 26,61%. Dalam pembuatannya diperlukan teknologi tepat guna dan dukungan dari masyarakat untuk menjamin produksi yang berkelanjutan. Kegiatan ini bertujuan untuk mengembangkan teknologi tepat guna dalam produksi pupuk organik cair sehingga dapat dimanfaatkan masyarakat untuk meningkatkan efektivitas produksi baik secara kualitas maupun kuantitas. Kegiatan pengabdian dikemas dalam bentuk sosialisasi untuk memberdayakan kader PKK di Desa Banjar Sengon, Kecamatan Patrang, Kabupaten Jember terkait proses pengolahan limbah kulit buah kakao menjadi pupuk organik cair. Produksi POC dari limbah kulit buah kakao diharapkan mampu meminimalisir jumlah limbah kulit buah kakao dan menjadi langkah sederhana dalam upaya mewujudkan pertanian berkelanjutan dengan mengurangi ketergantungan terhadap pupuk kimia serta membuka peluang baru dalam sektor ekonomi lokal.Kegiatan workshop sangat menjadi parameter, dimana 90% dari kegiatan yang dilakukan membuat warga menjadi lebih paham dan andal dalam mengolah limbah kulit kakao menjadi pupuk organik cair. Warga juga aktif bertanya dan memberikan ide-ide penggunaan alat tersebut untuk limbah sejenis sehingga penggunaan TTG dapat maksimal.
Polyphenol Extraction from Musa corniculata Peel Using Microwave Assisted Extraction (MAE) Method with Ethanol Solvent Rahmawati, Istiqomah; Sa’roni, Achmad; Wardhani, Maharani Tri; Fachri, Boy Arief; Palupi, Bekti; Rizkiana, Meta Fitri; Amini, Helda Wika; Reza, Muhammad
BERKALA SAINSTEK Vol 12 No 2 (2024)
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v12i2.41494

Abstract

Banana peel (Musa corniculata) is one of the superior plants in Indonesia which is rich in polyphenolic compounds as a source of antioxidants. The potential of polyphenolic compounds as antioxidants can be used as an alternative to reduce banana peel waste. This study aims to determine the total content of polyphenols and antioxidant activity of horn banana peel extract. Extraction used the Microwave Assisted Extraction (MAE) method with ethanol solvent and the variables were extraction time (4, 7, and 10 minutes), solvent concentration (50, 73 and 96 %), ratio of simplicia mass to solvent volume (1:12, 1 :8, 1:6 g/mL) with a microwave power of 150 Watt. Determination of polyphenol content using the Folin-Ciocalteau method and the ability of polyphenols as antioxidants were analyzed by DPPH test. This study used the Design Expert 13 Response Surface Methodology software, the Box Behnken type, to determine the extraction parameters for the total polyphenol content. The highest total polyphenol content was obtained at 354.02 mg GAE/g from the combination of parameters 50% solvent concentration, 10 minutes extraction time, and the ratio of horn banana peel powder to 1:8 g/mL solvent.
OPTIMASI EKSTRAKSI SENYAWA FENOLIK DAUN SIRIH MERAH (Piper Crocatum Ruitz & Pav) MENGGUNAKAN METODE MICROWAVE ASSISTED EXTRACTION (MAE) Amini, Helda Wika; Nugroho, Yeremia Prasetya; Rahman, Agus; Rizkiana, Meta Fitri; Rahmawati, Istiqomah; Palupi, Bekti; Fachri, Boy Arief
Dalton : Jurnal Pendidikan Kimia dan Ilmu Kimia Vol 7, No 3 (2024)
Publisher : Universitas Islam Kalimantan MAB Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/dl.v7i3.16431

Abstract

Karena efek samping yang lebih sedikit daripada pengobatan sintetik, pengobatan menggunakan bahan alami menjadi pilihan populer di Indonesia. Oleh karena itu, diperlukan penelitian lebih lanjut mengenai bahan alami yang dapat digunakan sebagai obat, salah satunya adalah sirih merah. Penelitian ini bertujuan mengetahui kondisi optimal untuk mengekstraksi senyawa fenolik daun sirih merah dengan menggunakan metode Microwave Assisted Extraction (MAE). Penelitian ini menggunakan daun sirih merah ukuran 60 mesh yang telah dikeringkan. Dengan pelarut etanol 96%, daun sirih merah diekstraksi dengan variabel daya microwave 150 watt, 300 watt, dan 450 watt. Rasio bahan terhadap pelarut adalah 0,05 gram/mL, 0,1 gram/mL, dan 0,15 gram/mL. Ekstraksi berlangsung selama 5-15 menit. Analisis hasil penelitian dilakukan dengan analisis total fenol menggunakan metode Folin-Ciocalteu. Pada run ke-8, total fenol tertinggi adalah 0,0736 mg GAE/g, dengan rasio pelarut 0,05 g/mL, waktu ekstraksi 5 menit, dan daya microwave 300 watt.
Effect of Synthesis Condition on Degree of Deacetylation of Chitosan from Shrimp Waste for Smart Film Applications Reza, Muhammad; Gailani, Jauhairiyah; Susanti, Tria; Zuhro, Syarifa Aminatuz; Sjaifullah, Achmad; Busroni, Busroni; Rahmawati, Istiqomah
al Kimiya: Jurnal Ilmu Kimia dan Terapan Vol 11, No 1 (2024): al Kimiya: Jurnal Ilmu Kimia dan Terapan
Publisher : Department of Chemistry, Faculty of Science and Technology, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/ak.v11i1.30933

Abstract

Shrimp is an Indonesian’s export commodity with high economic value increasing every year. Usually, shrimps are exported in the form of frozen shrimp without shells, heads, tails, and entrails. It resulted in the accumulation of shrimp waste leading to the increasing environmental pollution. Shrimp waste contains high contents of chitin which can be processed to a chitosan owing several benefits. The purpose of this study is to determine the optimum condition of the synthesis of chitosan from chitin isolated by the autolysis method. The deproteination was carried out by soaking the shrimp waste in an acidic solution (pH 2 – 3) for 10 d. The demineralization process was done by reacting the deproteinated solids in a hydrochloric acid solution at pH 0 – 1 for 24 h. Parameters varied in this study time (1 – 3 h), chitin to NaOH ratio (1:10 – 1:30 (w/v)), and temperature (60 – 120℃). The higher all parameters used, the higher the obtained degree of deacetylation (DD) which is in the range of 18.35±1.13 to 48.6±0.51%. On the other hand, the obtained yield decreased from 50.66±1.98% to 47.78±0.81%. The optimum condition was obtained at a synthesis temperature of 120℃, chitin to NaOH ratio of 1:20 g/mL, and time of 3 h producing chitosan with DD of 54.25 ± 2.27%, and yield of 47.7 ± 0.65%. Chitosan synthesized using optimum conditions produced a relatively homogeneous thin film. Polyaniline was then introduced to the film to obtain a smart film prototype. This smart film was able to detect the pH changes proven by the change in its color. The smart film also could be potentially used as a “smart pack” for detecting product decay which releases ammonia gas.
Pelet Unggul: Inovasi Teknologi Tepat Guna dari Sampah untuk Peningkatan Produktivitas Ternak Lele di Lamigot Ys Farm Pakusari Palupi, Bekti; Rahmawati, Istiqomah; Rizkiana, Meta Fitri; Rafif, M. Attar; Tarigan, Eigiya Nina; Herdianto, Dimas Nur; Yohanes, Yohanes; Shofiah , Laila Nur
Sewagati Vol 9 No 1 (2025)
Publisher : Pusat Publikasi ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j26139960.v9i1.2488

Abstract

Sektor peternakan dan perikanan merupakan pilar utama ketahanan pangan di Indonesia, dengan budidaya ikan lele menjadi pilihan utama karena kemudahannya dan tingginya konsumsi oleh masyarakat. Data BPS Jawa Timur menunjukkan peningkatan produksi ikan lele dari 127.539 ton pada tahun 2020 menjadi 136.437 ton pada tahun 2021. Namun, masalah utama yang dihadapi peternak, khususnya skala kecil dan menengah seperti UMKM Lamigot YS Farm di Kabupaten Jember, adalah mahalnya harga pelet pakan ikan. Untuk mengatasi kendala ini, program pengabdian masyarakat ini menawarkan solusi berupa pengembangan Teknologi Tepat Guna (TTG) dengan menciptakan mesin pencetak pelet menggunakan bahan baku sampah organik. Solusi ini bertujuan untuk mengurangi biaya produksi, mendukung pengelolaan limbah berkelanjutan, dan meningkatkan produktivitas serta kemandirian peternak. Kegiatan ini meliputi sosialisasi, pelatihan, dan pendampingan teknis, diharapkan dapat meningkatkan pemahaman dan keterampilan peternak dalam memproduksi pelet pakan ikan secara mandiri. Dari hasil pengamatan selama 2 minggu, lele yang diberi pelet sampah organik bertambah massanya menjadi 9 gram, sementara yang diberi pelet komersial hanya memiliki massa 8,3 gram. Hal ini menunjukkan bahwa inovasi pelet dari sampah organik memiliki kualitas yang lebih baik daripada pelet komersial sehingga layak dikembangkan.
Modifikasi Fe3O4 dari Pasir Besi Pantai dengan Asam Oleat dan PEG melalui Metode co-Precipitation untuk Menangani Limbah Mikroplastik PET di Air Laut Mumtazah, Zuhriah; Bima Suci, Syeikh Maulana; Hakiki, Rizki Maulana; Muharja, Maktum; Palupi, Bekti; Rahmawati, Istiqomah; Yolanda Putri, Ditta Kharisma; Ramadana, Ifan
Jurnal Ilmu Lingkungan Vol 23, No 2 (2025): March 2025
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.23.2.418-426

Abstract

Mikroplastik diartikan sebagai plastik yang berukuran kurang dari 5 mm. Mikroplastik telah terdeteksi secara luas di lingkungan perairan dan menjadi kontaminan yang sangat mengkhawatirkan. Oleh karena itu sangat diperlukan cara untuk menghilangkan mikroplastik dari air secara efektif. Tujuan dari penelitian ini yaitu untuk mengetahui pengaruh penambahan surfaktan asam oleat (OA) dan polietilen glikol (PEG) pada nanopartikel magnetit untuk pemisahan mikroplastik polyethylene terephthalate (PET) di media air. Penambahan surfaktan memungkinkan nanopartikel dapat terdispersi dengan baik dan lebih stabil. Nanopartikel magnetit disintesis dari pasir besi pantai Watu Ulo Jember dengan metode co-precipitation. Nanopartikel magnetit dikarakterisasi menggunakan PSA untuk mengetahui distribusi ukuran partikel dan FTIR untuk menentukan gugus fungsi pada n-Fe3O4 yang telah dimodifikasi dengan OA dan PEG. Ukuran partikel yang didapatkan berkisar antara 458,7–955,4 nm dengan intensitas tertinggi 712,4 nm. Efisiensi adsorpsi mikroplastik yang diperoleh menggunakan n-Fe3O4 adalah 77,8%, n-Fe3O4/PEG 91,7%, dan n- Fe3O4/OA 95,2%.
Co-Authors Abdul Malik Karim Amrullah Achmad Sjaifullah Adelina, Saltsabita Nourin Adrian, Febri Afred, Merymistika Yufrani Afwal, Diza Raudhatul Ahmad Reza Maulufi Aini, Dwi Intan Noer Ainia, Hilda Huril Akmal, Gavinda Tsubutul Al Fajri, Maktum Muharja Alfarizi, Muhammad Alfian Anggraini, Ranita Anggi Annisa, Yasmin Ansori Ansori Ari Susanti Ariel Seanhan Haezer Arkan, Naufal Asshofy , Muhammad Agil Atiqa Rahmawati Atiqa Rahmawati Atiqa Rahmawati Azizi, Daffa Hafiziaulhaq Azzahrah, Anak Agung Nabilla Badril Azhar Badril Azhar Bambang Piluharto Bekti Palupi Bima Suci, Syeikh Maulana Bimo Bayu Aji Boy Arief Fachri Boy Fachri Brilianto, Mochamad Syadam Buana, Nayyara Aida Busroni, Busroni Dihayat, Icha Shofia Dini Rahmawaty Ditta Kharisma Yolanda Ditta Kharisma Yolanda Putri Elisah, Nor Eriska Eklezia Dwi Saputri Fachri, Boy Fakhri Arkaan Humaidi Farwah, Zilma Aliyah Fatimah, Dianavita Felix Arie Setiawan Firmansyah, Arfian Alwi Firmansyah, Muhammad Sahrul Firsta Retnaningtyas Udroto Fitriati, Diana Gailani, Jauhairiyah Gregah Pangayoman Hartanto P Gregah Pangayoman Hartono Putro Habibatul Inayah Harti Arini Hakiki, Rizki Maulana Helda Wika Amini Helda Wika Amini Heni Pujiastuti Herdianto, Dimas Nur Hidayat, Debby Aurellia Humaidi, Fakhri Arkaan Indrayani, Lilin Kamiliah, Thiflatul Lailatul Krisna Abdullah Lestari, Afrila Tutut Dwijati Lumbantoruan, Sri Lestari Maharani, Regita Gustiayu Pramisti Mahfud Mahfud Mahfud Mahfud Maktum Muharja Maryanto Maryanto Megasari, Tri Elok Setya Meta Fitri Rizkiana Mizanurafi’ Ghifarhadi Prasiefa Mohammad Nor Muhammad Ilham Muhammad Reza Muhammad Reza Muhammad Taufiqurrohman, Muhammad Muharja, Maktum Nanda Ayudiyah Andriani Naraismanti, Nirina Indi Nikita Meidi Nova Chintya Kurniawati Nova Chintya Kurniawati Nugroho, Yeremia Prasetya Nur Karima Nur Karima Nurkholisah, Siti Nurtsulutsiyah Nurtsulutsiyah Nurtsulutsiyah Nurtsulutsiyah Nurtsulutsiyah, Nurtsulutsiyah Permatasari, Ocita Galuh Pradipta, Shima Nuril Pratama, Ilyas Arya Pravitasiwi, Nanda Tricya Julia Purimahua, Amanda Augre Maharani Rafif, M. Attar Rahma Rei Sakura Rahman, Agus Ramadana, Ifan Ratri Sekaringgalih Regita Gustiayu Pramisti Maharani Reswara Musyafa Ridho, Moh Zeinur Rizalluddin, Muhammad Rizki Fitria Darmayanti Robaniyah, Septiana Kholifatur Salsabila, Putri Ayu Saputra, Dicky Aditya Sa’roni, Achmad Septiana, Windi Yudita Septianti, Kiki Shabrina, Nadhilah Shofiah , Laila Nur Sholeha, Irdatus Suryagama, Muhammad Nabil Susanti, Tria Susilowati Susilowati Syawaludin, Syafriel Razaan Tarigan, Eigiya Nina Udroto, Firsta Retnaningtyas Uzinuzulla, Yunita Virda Wardani, Salza Belila Kusuma Wardhani, Maharani Tri Wibowo, Jihan Nafila Wiwik Pratiwi Yakub Hendrikson Manurung Yohanes Yohanes Yolanda Putri, Ditta Kharisma Zuhriah Mumtazah Zuhro, Syarifa Aminatuz