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Enhanced Recovery of Bioactive Compound from Pineapple Peel Using Ultrasonic-Assisted Extraction with Enzyme Treatment at Varying Extraction Time Kumalaningrum, Amalia Nur; Arini, Zulmilafatma Nurlita; Hidayat, Jefri Pandu
Indonesian Journal of Chemical Research Vol 12 No 3 (2025): Edition for January 2025
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2025.12-kum

Abstract

Pineapple peel is considered waste, but it has numerous beneficial uses due to its rich content of nutrients and bioactive compounds. The selection of extraction methods is essential to produce optimal bioactive compound extracts. Ultrasonic-assisted extraction (UAE) is a modern extraction technique that uses ultrasonic waves to improve the extraction by enhancing the release of compounds into the solvent. The UAE method was performed by varying extraction times at 30, 60, 90, and 120 min. The addition of cellulase enzyme was also applied as an optimization method for the extraction results. The addition of Cellulase elevated the yield, phenolic, and flavonoid content. The highest yield was obtained at an extraction time after 90 min. The highest total flavonoid content was 497.8±4.5 µgQE/mL, while the highest total phenolic value was 1007.6±7.6 µgGAE/mL at extraction of 60 min. However, the extracted samples without enzymes performed the highest results at an extraction of 90 min. The effect of the enzyme resulted in the most potent antioxidant activity (<10 ppm) in all-time extraction. To conclude, the addition of enzymes in the extraction process successfully optimized the extraction of phytochemical compounds from pineapple peel, as evidenced by testing phenolic and flavonoid content and antioxidant activity.
Peningkatan daya tarik kampung nelayan berdasi menuju desa eduwisata dan ekowisata berkelanjutan Munfarida, Siti; Hidayat, Jefri Pandu; Al-Tabri, Etsa Zaidan; Siregar, Hifzul Anwar; Noor, Firman; Gusrawati, Gusrawati; Dharma, Muhammad Gaizka Seva; Mahmud, Muhammad Akshan; Al-Qadrie, Mustafa Hadi; Hidayat, Rahmat; Handayani, Windah
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 8, No 4 (2024): December
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v8i4.27092

Abstract

Abstrak Salah satu unsur kemajuan peradaban adalah kegiatan pengabdian kepada masyarakat yang dilakukan oleh civitas akademik perguruan tinggi dalam hal ini Institut Teknologi Kalimantan (ITK), yang secara proaktif memberikan kontribusi perbaikan sosial, ekonomi, dan lingkungan. Kampung Nelayan Berdasi adalah mitra pengabdian kampus yang terletak di pesisir Balikpapan Barat. Permasalahan utama mitra yakni kurang termanfaatkannya hutan mangrove sebagai potensi kemajuan wilayah di bidang kebersihan dan wisata. Tujuan kegiatan pengabdian yaitu meningkatkan potensi tersebut melalui pengembangan hutan mangrove sebagai eduwisata dan ekowisata yang terjaga kebersihannya. Metode pelaksanaan kegiatan pengabdian kepada masyarakat dimulai dari survei lokasi dan identifikasi isu, perancangan fasilitas umum, dan laporan dampak kegiatan terhadap masyarakat pengguna yang dilakukan oleh tim selama 5 bulan, Januari hingga Mei 2024. Pembuatan bank sampah, gapura selamat datang, papan informasi wilayah dan denah rute wisata mangrove, serta jenis, manfaat, deskripsi keanekaragaman flora di wilayah wisata adalah bentuk nyata kegiatan pengabdian sebagai upaya peningkatan desa eduwisata dan ekowisata. Dampak kegiatan terukur dari survei responden warga dengan penilaian pada aspek kesesuaian kegiatan 71,40%, interaksi warga 71,40%, antusiasme warga 64,30%, kepuasan program kerja 78,60%, dan ketepatan waktu program 71,40%. Nilai pada aspek antusiasme warga yang lebih rendah dibandingkan yang lain karena sebagian warga sibuk dengan pekerjaannya masing-masing, sehingga tidak dapat ikut serta berpatisipasi. Meskipun demikian, tim pengabdian telah berhasil menjalankan kegiatan sesuai kebutuhan masyarakat berdasarkan rata-rata nilai aspek keseluruhan sebesar 71,42%. Diharapkan ada program keberlanjutan pemanfaatan mangrove dari segi pascapanen, guna memajukan potensi eduwisata dan ekowisata di Kampung Nelayan Berdasi yang terpantau secara lebih sistematis. Kata kunci: eduwisata; ekowisata; kebersihan; mangrove; nelayan Abstract One of the elements of civilization progress is community service activities carried out by the academic community of higher education, in this case, the Kalimantan Institute of Technology (ITK), which proactively contributes to social, economic, and environmental improvement. Kampung Nelayan Berdasi is a campus community service partner located on the coast of West Balikpapan. The main problem of the partner is the underutilization of mangrove forests as a potential for regional progress in the fields of hygiene and tourism. The purpose of the community service activity is to increase this potential through the development of mangrove forests as edu-tourism and ecotourism that are kept clean. The method of implementing community service activities starts from site surveys and issue identification, design of public facilities, and reports on the impact of activities on user communities carried out by the team for 5 months, from January to May 2024. Making waste banks, welcome gates, area information boards, and mangrove tourism route plans, as well as types, benefits, and descriptions of flora diversity in tourist areas are concrete forms of service activities as an effort to improve edu-tourism and ecotourism villages. The impact of activities is measured from a survey of community respondents with an assessment of the suitability of activities 71.40%, community interaction 71.40%, community enthusiasm 64.30%, work program satisfaction 78.60%, and program timeliness 71.40%. The value on the aspect of citizen enthusiasm is lower than the others because some residents are busy with their respective jobs, so they cannot participate. Nevertheless, the service team has succeeded in carrying out activities according to community needs based on the average overall aspect value of 71.42%. It is hoped that there will be a sustainability program for mangrove utilization in terms of post-harvest, to advance the potential for education and ecotourism in Kampung Nelayan Berdasi which is monitored more systematically. Keywords: cleanliness; education; ecotourism; fishery; mangrove
Granulator Performance for Urea Granule Quality: A Study on Material Balance and Recycle Seed Ratio Jefri Pandu Hidayat; Muhammad Azi Kusuma; Nita Ariestiana Putri; Asful Hariyadi
International Journal of Marine Engineering Innovation and Research Vol 10, No 1 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i1.22562

Abstract

Granulation is a critical process in quality of urea fertilizer, particularly their size distribution, significantly affects the product's performance and marketability. Urea synthesis begins with the reaction between ammonia and carbon dioxide, where ammonium carbamate is decomposed to produce urea by granulation process. This research aims evaluate the performance of granulator on urea granule size product quality based on material balance and recycle seed ratio (RSR). The granulator performance in the urea granulation process was evaluated for a production capacity of 3,500 tons/day. The methodology involves data collection from operational records in six days respectively, followed by mass balance analysis and product quality evaluation based on particle size distribution. The analysis revealed a significant deviation between design and actual data. Specifically, the design mass balance indicated a total inlet of 236,726 kg/h and a total outlet of 230,575 kg/h, resulting in a mass deficit of 6,151 kg/h attributed to dust formation and water evaporation. The measured on-size product yield was approximately 98.50% at the outlet, with the desired particle size range of 2–4.75 mm. These findings provide critical insights for process optimization and resource management in urea granulation, emphasizing the need for precise operational control to minimize material losses and ensure product quality compliance with specifications.
Fermentasi biji durian khas Kalimantan sebagai pengganti tepung terigu dengan metode perendaman berseri Jefri Pandu Hidayat; Siti Munfarida; Asful Hariyadi
AGROINTEK Vol 19, No 1 (2025)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v19i1.21756

Abstract

Durian seed modification is aimed at increasing the functional properties of a wheat flour alternative. The research combined immersion in Na2S2O5 and fermentation using L. plantarum solution. The influence among the solid consistency, starter concentration, and time process variable by Complete Randomized Design (RAL) duplicate experiment to get superlative condition. Runge-Kutta (RK) third-order method used the kinetic modeling algorithm. The RK solver was completed using the optimization solver in Ms. Excel 2021. The analysis of variance (ANOVA) was performed using Minitab 18.1. The functional properties parameters were measured consisting of carbonyl, carboxyl, degree of substitution, swelling power, solubility, water and oil absorption. The maximum specific growth rate of L. plantarum was 1.902/hours and the brown pigment degradation rate was 0.0016/minutes. It showed that the best form for time preliminary process was 120 minutes. It is followed by a raw material consistency of 15% (w/v), a starter concentration of 5% (v/v) at 24-hour fermentation. At the best process condition, the modified durian seed flour have carboxyl content 1.028%, carbonyl 0.48%, degree of substitution 0.078, swelling power 8.5 g/g, water solubility 7.64%, water and oil absorption capacity, 162.43% and 28.81% respectively. Whereas the functional properties are still not close to commercial wheat flour SNI 3751:2018. Hereafter, the parametric using growth model was expressed for the future bio-reactor design.
Optimasi proses degumming minyak sawit mentah (DRPO) dengan response surface methodology (RSM) berbasis central composte design (CCD) Jefri Pandu Hidayat; Rizka Lestari; Siti Munfarida; Andini Angelina Putri; Adrian Prananda Putra; Fidela Chosta; Ahmad Maulidi
AGROINTEK Vol 19, No 2 (2025)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v19i2.26063

Abstract

Crude palm oil (CPO) is widely used in various processed food products, especially cooking oil. Refining cooking oil involves high heating temperatures and the addition of bleaching earth, which aims to remove the sap and brown-red color. As a result, it can eliminate the carotene, which is not functionally used for good human metabolism. This research aims to remove sap and impurities in CPO by analyzing the optimal operation of heating temperature (60-80 °C) and phosphoric acid concentration (0.5-2 ml) and comparing the functional group change on the degumming process. The analytical method used was Response Surface Technology (RSM) by Central Composite Design (CCD) at Design Expert 12, which used carotene, density, and free fatty acid (FFA) responses. The results are optimal variables on heating temperature 80 °C and 2 ml of phosphoric acid concentration. The result of %FFA in DRPO was 1.917 %, the carotene was 381,350 ppm, and the density was 0.909 g/l. Heating temperature influences the FFA content, which is an important consideration. Higher temperatures can lead to an increase in FFA content. Indeed, lipase activation significantly affects the FFA content by accelerating the enzyme-catalyzed reaction. Apart from that, the addition of phosphoric acid affects the increase in FFA due to the non-reaction of phosphoric acid. The physicochemical characteristics of palm oil after the degumming process have not changed significantly, with the density before and after the degumming process still being in the range of (0.909–0.912) g/l. Group bonds have no change because the C-H and C=O group bonds in the main triglyceride compound. It requires a lot of energy to break the triglyceride cluster chains. The preliminary FFA model was revealed y=0.169\left(T\right)-0.1064\left(V\right)-1.5 to degummed reactor design, further.
Pemanfaatan sumber daya lokal biji karet sebagai amplifikasi protein es krim mellorine dengan pengemulsi CMC Hidayat, Jefri Pandu; Pusfitasari, Memik Dian; Gunawan, Ryan Ananda Dwi; Fahlevi, Riza
AGROINTEK Vol 19, No 3 (2025)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v19i3.25663

Abstract

Rubber plants in East Kalimantan have a great plantation area 123,460 ha consisting of smallholder 95,240 ha, large state 3,630, and large private 25,638 hectares, with a total production of 55,690 tons. The abundant production of rubber plants in East Kalimantan is still utilized in the tree trunk part as raw material for making latex. The rubber seeds as dregs have not been optimally utilized. Rubber seeds are relatively high in nutrition, especially protein content 16.33%, 21.6% fat, and 30.9% carbohydrates. The rubber seeds are less optimally used due to high HCN levels. The possibility diversification of rubber seed is employing the mellorine ice cream. This study aims to analyze the decreasing HCN levels in the boiling time of rubber seeds at (0, 30, 60, 90, and 100 minute) and formulation of rubber seed and water ratio (A1-3:1); (A2-1,5:1); (A3-1:1) by complete randomized design (CRD) on proximate and organoleptic properties. It was found by ANOVA that the proportion of ingredients did not affect the organoleptic color and aroma but significantly swayed the texture and taste. The organoleptic scale is (0-5) and is not within the very likely criteria. The ratio prescription influences mellorine ice cream's physicochemical, where the more rubber seeds used, the higher proximate levels. The best formulation is A1 (3:1), where it gets an organoleptic value of color (4.25), aroma (3.5), texture (4.00), taste (4.40), 0.127% ash content, fat 8.36%, protein 1.57%, carbohydrate 9.08 %, and crude fibre 0.50%. Ultimately, the rubber seeds can be processed into protein source materials for mellorine ice cream, but the protein is still below SNI standards. A modification method is needed to release HCN but does not cause excessive protein denaturation.