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All Journal Jurnal Ilmiah Kesehatan Delima JT-IBSI (Jurnal Teknik Ibnu Sina) JURNAL LIGA ILMU SERANTAU
'Aini, Nurul
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Computer Science & IT Economics, Econometrics & Finance Engineering Law, Crime, Criminology & Criminal Justice Nursing Public Health Social Sciences

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Analisis Kadar Tanin Ekstrak Biji Alpukat (Persea americana Mill.) Dan Uji Aktivitas Antioksidan Dengan Metode FRAP 'Aini, Nurul; Ayu Irma P, Desi; Dwi Septyarini, Anita
Jurnal Ilmiah Kesehatan Delima Vol. 6 No. 1 (2023): Jurnal Ilmiah Kesehatan Delima
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Sekolah Tinggi Ilmu Kesehatan Salsabila Serang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60010/jikd.v6i1.99

Abstract

Penelitian ini bertujuan untuk mengetahui kadar tanin ekstrak biji alpukat dan aktivitas antioksidan ekstrak n-heksan, etil asetat, dan etanol 96% biji alpukat.). Analisis metabolit sekunder dilakukan dengan metode skrining fitokimia. Ekstraksi dilakukan dengan metode maserasi dan ekstraksi bertingkat berdasarkan tingkat kepolaran pelarut yaitu n-heksan, etil asetat dan etanol 96%. Uji aktivitas antioksidan menggunakan metode FRAP (Ferric Reducing Antioxidant Power). Adapun hasil fitokimia ekstrak n-heksan dan etil asetat yaitu mengandung senyawa tanin, alkaloid, flavonoid, triterpenoid dan saponin. Sedangkan ekstrak etanol 96% mengandung tanin, alkaloid, flavonoid, dan saponin. Berdasarkan nilai aktivitas antioksidan dari ekstrak biji alpukat etanol 96% memiliki nilai penghambatan radikal yang kuat dibandingkan dengan ekstrak lainnya. Hal ini ditunjukkan dengan didapatkan dari masing-masing ekstrak. Nilai IC50 yang dihasilkan dari ekstrak n-heksan yaitu 119,368 mg/L termasuk kapasitas sedang, ekstrak etil asetat 87,387 mg/L termasuk kapasitas kuat dan etanol 96% 69,943 mg/L termasuk kapasitas antioksidan kuat.
Optimalisasi Rute Distribusi Peralatan Elektronik: Inovasi Metode Saving Matrix dan Nearest Neighbor Safitri, Khoerun Nisa; Fole, Asrul; 'Aini, Nurul
Jurnal Teknik Ibnu Sina (JT-IBSI) Vol. 10 No. 1 (2025): JT-IBSI (Jurnal Teknik Ibnu Sina)
Publisher : Fakultas Teknik Universitas Ibnu Sina

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36352/jt-ibsi.v10i1.1179

Abstract

This research focuses on evaluating and comparing the effectiveness of the Saving Matrix and Nearest Neighbor techniques for optimizing the distribution routes of electronic devices in Batam. Additionally, it assesses these methods against the current approach utilized by the company. A quantitative methodology was adopted, utilizing data that encompasses customer locations, shipment volumes, and vehicle capacities. The findings reveal that the Saving Matrix method yields the highest efficiency, achieving a total travel distance of 54.3 km, a delivery duration of 5.2 hours, and an operational expenditure of Rp785,000. Conversely, the Nearest Neighbor method resulted in a distance of 62.7 km and a cost of Rp905,000, while the company's existing method recorded the longest distance at 68.5 km and the highest cost of Rp970,000. These results indicate that the Saving Matrix method is superior in optimizing both routes and load distribution. This study contributes to logistics planning by highlighting the significance of heuristic approaches in addressing vehicle routing challenges. It is advisable for companies to consider implementing algorithmic methods in their distribution strategies. Future studies should aim to develop models using metaheuristic techniques and take into account dynamic factors such as customer service time frames and real-time traffic conditions for enhanced accuracy.
Desain Ruangan dan Tata Letak Barang Kerja pada Warehouse Electric dan Instrument Menggunakan Metode Analisa System Kerja dan Ergonomi Safitri, Khoerun Nisa; 'Aini, Nurul; Syahputra , Anggi Pramana
Jurnal Liga Ilmu Serantau Vol. 1 No. 1 (2024): Edisi Februari - JLIS: Jurnal Liga Ilmu Serantau
Publisher : LPPM Universitas Ibnu Sina

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36352/jlis.v1i1.788

Abstract

This research aims to redesign and reorganize work stations in the Electric and Instrument Warehouse at XYZ Company using the Work System and Ergonomics Analysis Method. Several aspects that are focused on in this research include the actual work station design, work station layout design, sitting work station design, and qualitative visual displays. The analysis was carried out to overcome the problem of lack of space for movement and comfort when working caused by a non-optimal layout. In the proposed changes, researchers made adjustments to the layout of desks, cabinets or cupboards, computer equipment, shelves, added dividers and doors in the office, and increased the size of the work area. Apart from that, several chairs were also replaced to support a good work attitude. The redesign of the workstation is based on the principles of ergonomics by prioritizing effectiveness, comfort, safety, health and efficiency (ENASE). This adjustment is carried out by paying attention to anthropometric and ergonomic aspects in terms of layout, type and size of facilities.
Co-Authors Asrul Fole Ayu Irma P, Desi Dwi Septyarini, Anita Khoerun Nisa Safitri Syahputra , Anggi Pramana