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All Journal Teknotan: Jurnal Industri Teknologi Pertanian Jurnal Rekayasa Pangan dan Pertanian Jurnal Keteknikan Pertanian Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Agricultural Biosystem Engineering Jurnal Pengabdian Fakultas Pertanian Universitas Lampung
Cicih Sugianti
Jurusan Teknik Pertanian, Fakultas Pertanian, Universitas Lampung
Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Materials Science & Nanotechnology Other

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Penggunaan Electrical Impedance Spectroscopy (EIS) untuk Mengidentifikasi Kerusakan Mekanis pada Buah Apel Sugianti, Cicih; Maktub, Zana Azalia
Jurnal Agricultural Biosystem Engineering Vol 3, No 3 (2024): September 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i3.10157

Abstract

Mechanical damage is a common issue that affects the quality and marketability of apples during postharvest handling and storage. This study aims to identify mechanical damage in apples using Electrical Impedance Spectroscopy (EIS) as a non-destructive evaluation method. EIS measurements were conducted to analyze the electrical properties of both damaged and intact apples. Results showed that damaged apples exhibited lower extracellular resistance (7.8 kΩ) compared to intact apples (44.67 kΩ), indicating increased electrolyte leakage due to cell membrane disruption. Cole-Cole plot analysis further revealed significant differences in the impedance characteristics of apples, reflecting the extent of tissue damage. These findings demonstrate that EIS effectively detects mechanical damage by assessing changes in cellular integrity. The method provides a rapid, accurate, and non-invasive approach for quality control in apple handling and storage processes. Keywords: Apple, Cell Membrane Integrity, Extracellular Resistance, Electrical Impedance Spectroscopy (EIS), Mechanical Damage.
Pemanfaatan Limbah Serat Kelapa Sebagai Bahan Tambahan Pembuatan Paving Block Rahmawati, Winda; Marcus, Patrice Kevin; Wisnu, Febryan Kusuma; Haryanto, Agus; Telaumbanua, Mareli; Sugianti, Cicih
Jurnal Agricultural Biosystem Engineering Vol 3, No 3 (2024): September 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i3.10161

Abstract

Indonesia is one of the largest coconut producing countries in the world, Lampung Province itself has a coconut plantation area of 91.8 thousand hectares with a production of 81.9 thousand tons in 2021. One alternative of the uses of coconut fiber is as a mixing material for porous paving blocks. This study aims to make porous paving blocks with additional coconut fiber and to determine the physical characteristics of paving blocks with a mixture of coconut fiber. This study used a completely randomized design consisting of 4 treatments and 5 replications with a sample size of 40 pieces divided into destructive and non-destructive tests. The method of making paving blocks in the study was that the fiber was mixed with a mixture of cement and sand, then molded and conditioned for 28 days. The tests carried out were visual tests, water absorption tests, infiltration tests, density tests and compressive strength tests. The results of the study showed that the addition of coconut fiber to the paving block mixture affected the results of the test of the characteristics of porous paving blocks) Keywords: Coconut Fiber, Deformation, Ductile, Infiltration, Pore Space. 
Pengaruh Lama Fermentasi Menggunakan Mikroba Ghalkoff terhadap Perubahan Konsentrasi Kandungan Kafein Kopi Robusta Organik Kabupaten Lampung Barat Wijaya, Riky Yan; Tamrin, Tamrin; Sugianti, Cicih
Jurnal Agricultural Biosystem Engineering Vol 2, No 3 (2023): September 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i3.7892

Abstract

Coffee is a beverage ingredient not only famous in Indonesia but also famous throughout the world. Caffeine is the most important compound found in coffee, caffeine functions as an element of taste and aroma in coffee beans. Excessive acid and caffeine content in coffee can have an impact on health. This study aims to determine the effect of fermentation time using microbial Ghalkoff on changes in concentration of caffeine, protein and acidity content in organic robusta coffee without reducing the taste of coffee. This research was conducted from July to August 2018 at PT. Ghaly Roelies Indonesia, Kecamatan Kemiling, Bandar Lampung. This study uses a laboratory and Kruskal-Wallis test Non-parametric statistical test based on questionnaire test on the level of preference. The results showed the effect of changes in the concentration of caffeine, protein and acidity levels in organic robusta coffee with control of the initial data resulting in a decrease in the concentration of caffeine by 27%. While the results of the N-Rank organoleptic test with Kruskal-WallisTest showed that administering long-acting organic coffee fermentation using microbial ghalkoff can increase the preference for coffee flavor, aroma and color. Keywords: Caffeine, Fermentation, Kruskal-Wallis Test, Organic Robusta Coffee.
Pengaruh Variasi Persentase Campuran Arang Tempurung Kelapa dengan Batubara dalam Pembuatan Briket Biocoal Terhadap Sifat Fisik dan Laju Pembakaran Maktub, Zana Azalia; Sugianti, Cicih; Wibowo, Sasongko Aji
Jurnal Agricultural Biosystem Engineering Vol 3, No 4 (2024): Desember 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i4.10175

Abstract

This study aims to examine the effect of varying percentages of coconut shell charcoal mixed with coal on the physical properties and combustion rate of biocoal briquettes. The briquettes were made with four variations of coconut shell charcoal percentages: 16%, 31.9%, 47.7%, and 63.7%. The results revealed that briquette density tended to decrease with an increasing percentage of coconut shell charcoal, except for the 63.7% mixture, which showed an anomaly with higher density. Mechanical strength, including tensile and compressive strength, decreased as biomass increased due to the weaker mechanical properties of coconut shell charcoal compared to coal. The combustion rate decreased with higher biomass percentages, with longer combustion times for higher biomass content due to the higher calorific value of coconut shell charcoal. Biocoal briquettes demonstrated better combustion efficiency than regular briquettes but were still inferior to super briquettes and pure coal briquettes. This study highlights the potential of biomass-coal mixtures as an alternative, environmentally friendly, and efficient energy source. Keywords: Biocoal Briquettes, Coal, Coconut Shell Charcoal, Combustion Rate. Density.
Pendampingan Implementasi Good Manufacturing Practice (GMP) Untuk Produksi Nata De Coco Skala Rumah Tangga Sugianti, Cicih; indriyani, Yaktiworo; Waluyo, Sri; Suharyatun, Siti; Rahmawati, Winda
Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Vol. 3 No. 2 (2024): Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Vol 3 No 2, September
Publisher : Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpfp.v3i2.9480

Abstract

Kegiatan pengabdian masyarakat ini bertujuan untuk meningkatkan kualitas dan keamanan produksi nata de coco melalui implementasi Good Manufacturing Practice (GMP) di komunitas petani dan produsen lokal. Nata de coco merupakan produk berbasis kelapa yang banyak diminati, namun sering kali kualitasnya bervariasi akibat kurangnya standar produksi. Dengan menerapkan GMP, diharapkan dapat dicapai peningkatan mutu produk yang konsisten dan aman untuk dikonsumsi.Program ini melibatkan pelatihan dan pendampingan kepada produsen nata de coco di Kabupaten Lampung Selatan. Materi pelatihan mencakup aspek kebersihan dan sanitasi, kontrol proses produksi, dokumentasi, serta pengawasan mutu. Evaluasi menunjukkan peningkatan yang signifikan dalam hal kebersihan fasilitas, konsistensi produk, dan penerapan praktik produksi yang baik.Hasil implementasi menunjukkan bahwa penerapan GMP berhasil mengurangi risiko kontaminasi dan meningkatkan ketebalan serta tekstur nata de coco. Selain itu, peningkatan sistem dokumentasi dan pelacakan memudahkan pengawasan proses produksi dan penanganan masalah. Kesadaran produsen mengenai pentingnya GMP juga meningkat, yang diharapkan dapat meningkatkan daya saing produk di pasar.
Co-Authors Agus Haryanto Aldo Christian Annie Widya Subagya Anwar Sadat Aris Purwanto Astri Magdalena Diana Mustika Diding Suhandy Dondy A Setyabudi Dwi Dian Novita Febryan Kusuma Wisnu Indriyani, Yaktiworo Mahfudin Mahfudin Maktub, Zana Azalia Marcus, Patrice Kevin Mareli Telaumbanua Meinilwita Yulia Riri Iriani Rokhani Hasbullah Sandi Asmara Sigit Prabawa Siti Suharyatun Sri Waluyo Tamrin Tamrin Tamrin, Tamrin Wibowo, Sasongko Aji Wijaya, Riky Yan Winda Rahmawati