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All Journal ABIDUMASY : Jurnal Pengabdian kepada Masyarakat Journal Serambi Engineering (JSE)
Mayshela, Alfreda Putri
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Optimalisasi Pendampingan dan Pendaftaran NIB melalui OSS untuk Legalitas UMKM Baratajaya Surabaya Mayshela, Alfreda Putri; Oktaviya, Ananta; Devi, Azizah Rusita; Salsabilah, Kholida Hanum; Ramadhani, Mirza
ABIDUMASY Vol 7 No 1 (2026): ABIDUMASY : JURNAL PENGABDIAN KEPADA MASYARAKAT
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

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Abstract

Baratajaya Sub-district in Surabaya has a high potential of MSMEs, especially in culinary fields such as food stalls, catering, and beverage businesses. However, observations showed that most MSME actors did not have a Business Identification Number (NIB) due to a lack of understanding of its importance and the registration procedure. This community service activity aimed to assist MSMEs in obtaining NIB through the OSS system to ensure their business legality. The partners in this program were Baratajaya Sub-district officials, RW 03, and Kader Surabaya Hebat. The methods included observation, socialization about business legality, practical training on NIB registration, and evaluation through participant questionnaires. The results showed an increase in MSME actors’ knowledge and awareness regarding the importance of NIB, as well as their successful registration with the assistance of university students. Most participants expressed satisfaction with the material delivery and practical sessions, which were easy to understand. This activity proved beneficial in supporting MSME business continuity legally and increasing their confidence in running their businesses. The significance of this program is that it becomes an initial step in optimizing MSME legality, which impacts the strengthening of the local economy based on official licensing.
Pengaruh Jenis Pelarut Asam pada Hidrolisis Tongkol Jagung (Zea mays L.) Menjadi Gula Reduksi Mayshela, Alfreda Putri; Aliyya Nisa Budi Utami; Ketut Sumada
Jurnal Serambi Engineering Vol. 11 No. 2 (2026): April 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Tongkol jagung (Zea mays L.) merupakan limbah lignoselulosa yang berpotensi diolah menjadi gula reduksi melalui hidrolisis asam. Penelitian ini bertujuan mengetahui pengaruh jenis dan konsentrasi pelarut asam terhadap kadar gula reduksi yang dihasilkan. Proses meliputi preparasi tongkol jagung, delignifikasi menggunakan NaOH 10%, dan hidrolisis dengan variasi pelarut asam asetat, asam oksalat, asam sitrat, asam fosfat, dan asam sulfat pada konsentrasi 20; 25; 30; 35; dan 40%. Analisis dilakukan dengan menggunakan metode Benedict, Luff-Schoorl, dan UV-Vis Spektrofotometri (Nelson-Somogyi). Hasil menunjukkan bahwa peningkatan konsentrasi asam cenderung meningkatkan kadar gula reduksi. Nilai tertinggi metode Luff-Schoorl diperoleh pada asam fosfat 40% sebesar 3,5325%, sedangkan UV-Vis menunjukkan hasil tertinggi pada asam fosfat 20% sebesar 0,9438%. Adanya proses delignifikasi terbukti efektif menurunkan kadar lignin hingga 93,23% dan meningkatkan kadar selulosa sebesar 12,02%, sehingga mendukung efektivitas hidrolisis.
Co-Authors Aliyya Nisa Budi Utami Devi, Azizah Rusita Ketut Sumada Oktaviya, Ananta Ramadhani, Mirza Salsabilah, Kholida Hanum