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Sintesis Asam Laktat dari Kulit Nangka dengan Proses Simultanious Saccharification and Fermentation (SSF) Sunil Wahidah, Tiara Anggarani; Handayani, Latifah Fitri; Redjeki, Sri
Jurnal Serambi Engineering Vol. 11 No. 2 (2026): April 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Kulit nangka merupakan limbah biomassa yang berpotensi dimanfaatkan sebagai bahan baku alternatif produksi asam laktat melalui proses biokonversi, karena mengandung lignoselulosa yang berpotensi dikonversi menjadi gula sederhana. Penelitian ini bertujuan untuk mensintesis asam laktat dari kulit nangka serta menganalisis pengaruh massa substrat dan lama waktu Simultaneous Saccharification and Fermentation (SSF) terhadap kadar asam laktat guna menentukan kondisi terbaik proses. Proses SSF dilakukan menggunakan Aspergillus niger sebagai agen sakarifikasi dan Lactobacillus plantarum sebagai agen fermentasi setelah tahap delignifikasi. Variasi massa substrat yang digunakan adalah 3, 5, 7, 9, dan 11 gram dengan lama SSF 12, 24, 36, 48, dan 72 jam. Kadar asam laktat dianalisis menggunakan metode titrasi asam–basa, sedangkan pH diamati selama proses berlangsung. Analisis statistik menggunakan ANOVA dua arah menunjukkan bahwa massa substrat dan lama waktu SSF berpengaruh signifikan terhadap kadar asam laktat dengan nilai p-value < 0,05. Kadar asam laktat tertinggi sebesar 2,10% diperoleh pada massa substrat 5 gram dengan waktu SSF 48 jam, disertai penurunan pH yang mengindikasikan peningkatan aktivitas fermentasi. Hasil penelitian ini menunjukkan bahwa proses SSF efektif dalam menghasilkan asam laktat dari kulit nangka dan berpotensi dikembangkan sebagai metode pemanfaatan limbah biomassa yang bernilai ekonomis dan ramah lingkungan.
PELATIHAN MODEL ESTETIKA TAUHID DALAM BINGKAI ARSITEKTUR ISLAM DI MADRASAH ALIYAH ISLAMIC CENTRE, BIN BAZ JOGJAKARTA Hariyadi, Muhammad; Redjeki, Sri; Nurbaiti, Nurbaiti; Sunarto, Sunarto; Mulyani, Mulyani; Toha, Choliliyah
MADANI Abdimas : Jurnal Penelitian dan Pengabdian Masyarakat Vol. 3 No. 1 (2023): MADANI Abdimas | Jurnal Penelitian dan Pengabdian Masyarakat
Publisher : MPP: Lembaga Penelitian Dan Studi Kebijakan

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Architecture is a building art that is universal. A design architecture is part of science, art culture and civilization that cannot independent and free, instead it is influenced by yhe ideology, politics, economy ang culter of society which influence the final product of an arsitectural design. The monotheistic aesthetic in the framework of Islamic architecture describes the conceptual relationship between God, humans and nature which is a combination that cannot be separated from one another. Where Allah SWT created humans by giving them ability to reason so that they have the power to think to form a divine concept in translating the sentences of the Al-Qur’an into architectural masterpieces in the world. So that an architect can convery his spiritual messages in an architectural medium. This writing methode using Library Research with approach deskriptif kualitatif, where writing data comes from a variety of literature both in the form of text studies an relevant books. This paper attempts to describe the aesthetics of monotheism in Islamic architecture which can convery the spiritual values of an architectural work so that reflects the reality of harmony of an aesthetic of creation and science
Digital Transformation of Islamic Universities for Lecturer Performance Based on Decision Support System Nurohman, Muhamad; Andriyani, Widyastuti; Redjeki, Sri
QUALITY Vol 12, No 2 (2024): QUALITY
Publisher : Pascasarjana IAIN Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21043/quality.v12i2.30037

Abstract

Digital Transformation of Islamic Universities for Lecturer Performance Based on Decision Support System. The research offers the utilization of digital transformation along with the development of information and communication technology today needs to be done to improve the quality of education, especially in Islamic universities, one of which is the existence of various systems to support them with the existence of multiple kinds of systems to support decision making or Decision Support System. The system for determining outstanding lecturers is used to support learning and teaching activities on campus to create qualified and competent students in their fields. STAINU Purworejo is an Islamic university located in Central Java Province which has been established since 1974 and has 33 lecturers. The process of determining outstanding lecturers that is still running at STAINU Purworejo campus still has shortcomings, namely requiring a long time to process questionnaire data that has been distributed to the campus community and the decision results obtained are not fully valid and not objective. The determination of outstanding lecturers has five assessment criteria, namely: student assessment, superior assessment, educational qualifications, published journals, and lecturer administration. The method used is the Analytical Hierarchy Process (AHP) method to calculate the weight of each criterion and the Technique for Order by Similarity to Ideal Solution (TOPSIS) to rank alternatives based on each criterion. Based on calculations carried out using a combination of AHP and Topsis and system implementation, the highest preference value is 0.835 and the lowest preference value is 0.27. From the results of these calculations, it can be concluded that the utilization of digital transformation for lecturer performance with a Decision Support System that utilizes a combination of AHP and TOPSIS methods can be used to help provide recommendations in decision-making to determine the best lecturer at the Nahdlatul Ulama Islamic Religious College (STAINU) Purworejo.
Co-Authors ., Iriani Abd. Rasyid Syamsuri Abdul Ghofar Achmad Edi Subiyanto Achmad Munandar Achyani Achyani, Achyani Ade Hari Siswanto Adi Rahmat Afandi, Yusuf Agus Indarjo Agus Sabdono Agus, Elsa Lusia Ahdiansyah, M Hafidz Aini, Firly Nur Alburhana, Lathifatusy Syifa Ali Djunaedi Almagribi, Ahmad Bilal Ambariyanto , Amin, Nashrul Anam, Aufa Anandita, Assifa Yusan Andrie Wijaya, Shendy Andriyani, Widyastuti Angga Dewi, Widya Novi Anggara, Muhammad Alyfansyah Rizky Anggaraeni, Chaterine Oktavia Anggraheny -, Anggraheny Anna Fitri Hindriana Anna Triningsih Annisaul Khasanah Wulandari Khasanah Wulandari, Annisaul Khasanah Wulandari Khasanah Ari Widodo Ariesta Artamevia, Nazwa Aris Ismanto Ayu Larasati Ayu Lestari, Mita Ayu Puspitasari, Ayu Ayu Rosyida Zam Zam Azizah T.N., Ria Badik, Muhammad Bagus Eko Hardiono Baharudin, Muhammad Teguh Baidhowie, Lutfil Hakim Bambang Yulianto Banun Sri Haksasi Baskoro Rochaddi Bayong Tjasyono Bustomi Cahyono, Arie Eko Chrisna Adhi Suryono Delianis Pringgenies Desyandri Desyandri Devi Nandita Choesin, Devi Nandita Dewi Novitasari Diah Permata Wijayanti Dodon Turianto Nugrahadi Duduh Abdul Bara Dwi Jatmiko, Dwi Edi Wibowo Edi Wibowo Kushartono Edy Soesanto Edy Supriyadi Elfi Rimayati Endang Sri Susilo Endang Supriyantini Eny Inayati, Eny Erliyanti, Nove Kartika Fajar, Surya FIRDAUSI, Ifrohatul Dini Fitria Olivia franisa, anggi Fuad Ashari Fulgensius Surianto G. Sri Redjeki Gerhani, Febrina Gerry Firmansyah Gita, Irma Hadi Endrawati Hadi, Nur Halizah Haksan Darwangsa Handayani, Dwi Asih Kumala Handayani, Latifah Fitri Hapsara, Hudanu Hariadi Hariadi Hariyadi, Muhammad Harry Firman Hartadi, I Gede Haryono, Yoyo Haula Robbi, M. Kautsar Heryoso Setiyono Hutagaol, Inggrid Debora I Nyoman P Aryantha Ika Ayuningtyas Indarwati, YM Iqbal Maulana Iriawati Iriawati Irwani Irwani Irwanto, Eko Ismawati Ismawati Ita Riniatsih Jihadi, Muhammad Shulhan Jusup Suprijanto K. Susilo, David Käll, Sofia Khaerul Umam, Khaerul Khonsa Rezkania, Gita khusnul khotimah Krisiyanto, Krisiyanto Kunarso Kunarso Kusdarjanti, Endang Kusumadiani, Tazkia Aulia Lelono, Satrio Kusumo Lies Mardiyana, Lies Lilik Maslukah Lita Rosa, Mia Laksmi Luky Adrianto Luluk Edahwati Luluk Elyana Maharani, Galung Dhiva Marini . Marselino, Frendy Mayunar Mimin Nurjhani K Mr Kusnadi Mrs Sariwulan Diana Muchamad Fajar Alamsyah Muh Yusuf Muhaimin, M. Hadid Muhajirin, Al Muhammad Reza Faisal, Muhammad Reza Muhammad Zainuri Mujayatun, Siti Mulyani Mulyani Muslih, Muhamad Musthofa, Danis Nurul Mustofa, Diah Ayu Mutiara Nurul Fajar Utami Mutiari Nurul Syam Utami Naufal, Nabil Neviyani Neviyani, Neviyani Ningrum, Marsella Ivon Citra Novi, Widya Nugroho Agus D Nugroho, Aditya Dwi Nur Halimah, Anisa Nur Khasanah Apriliasari, Nur Khasanah Nur Taurif Syamsudin Putra Jaya Nur, Sofyan Hasanuddin Nurasyah Dewi Napitupulu Nurohman, Muhamad Nurwijayanti Nuryani Rustaman Nusaputro, Kurnia Adi Oktarini, Rahmi Panatar, Jakfar Shodiq Philipus Uli Basa Hutabarat Pradana, Henrian Rizki Prameswari, Devi Diyah Ayu Praressha Wizurai Prasetiyorini, Pudhak Prasetyo, Sigit Nian Pratama, Candrika Prayoga Nugraha Taunay Prihandoko, Tri Leksono Purba, Sariaman Purwati K. Suprapto Putri Novianingrum, Milka putri, Ferninda Rahardiyana Putri, Hawa Aritma Sunarko Raden Ario Raden Mohamad Herdian Bhakti Rahayu, Fenny Winda Rakhmawan, Aditya Ramadhani, Aulia Dessy Rasid, Harun Al Raudina, Anggit Sapta Retno Hartati Retno, Yosy Ria Azizah Tri Nuraini Ria, Intan Ade Riandi Riandi Ristanti, Rahmadita Aulya Rizkina, Nurnazmilaila rojanah, rojanah rojanah Rudhi Pribadi S Tapilouw, Fransisca. Sagara, Bangkit Putra sanjaya, deki dwi Santi, Shinta Soraya Satori, Djam'an Satriani, Bayu Satriya Pranata SD Sumbogo Murti Setiyadi, Agus Setyowati, Okti Sheila Puspa Arrum, Sheila Puspa Sianiwati Goenharto Sihite, Mombang Sintha Soraya Santi Siti Munawaroh Sri Mulyani Sri Redjeki Sri Sayekti Sri Turni Hartati Sri Wahjuni Sri Wulandari Sujati Sujayanty, Sri Sunarto Sunarto Sunarto, Sandy Ryan Hendrawanto Sunaryo Sunaryo Sunil Wahidah, Tiara Anggarani Syuaibatul Islamiyah Tania, Sara TATI NURHAYATI Taufan, Anas Taufiq-Spj, Nur Toha, Choliliyah Tony Hadibarata, Tony Tri Mulyati, Tri Trianna, Nurul Widji Ubay, Jufri Ucu Rahayu Wafi, Azmi Sabilakisbatul Wahyu, Rindika Widhorini, Widhorini Widi Purwianingsih Wilis Ari Setyati Wishnuputri, Parameswari Iccha Nirmalabuddhi Yagus Cahyadi Yenny Anwar Yogaswara, Rachmad Ramadhan Yudhatama, Bayu Khrisna Yuliana Yuliana Yunika Ayu Setya W Ayu Setya W. Yunita Yunita Yustin Ragil Dewanti Yusuf Hilmi Adisendjaja Zihni Ihkamuddin