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All Journal agriTECH Jurnal Industri Hasil Perkebunan Jurnal Gizi dan Dietetik Indonesia (Indonesian Journal of Nutrition and Dietetics) JMM (Jurnal Masyarakat Mandiri) Jurnal Teknologi Pertanian AGRITEKNO, Jurnal Teknologi Pertanian JPPM (Jurnal Pengabdian dan Pemberdayaan Masyarakat) Celebes Abdimas: Jurnal Pengabdian Kepada Masyarakat Rawa Sains: Jurnal Sains STIPER Amuntai Res Nullius Law Journal Bubungan Tinggi: Jurnal Pengabdian Masyarakat Jurnal Inovasi Penelitian SELODANG MAYANG Jurnal Agro Indragiri Journal of Food System and Agribusiness (JoFSA) JPM: JURNAL PENGABDIAN MASYARAKAT International Journal of Business, Law, and Education Jurnal Pengabdian kepada Masyarakat Jurnal Pengabdian Kepada Masyarakat Jurnal Indragiri Penelitian Multidisiplin Jurnal Agro Dedikasi Masyarakat (JADM) Jurnal Cakrawala Ilmiah Tropical Plantation Journal Open Science and Technology Mamangan Social Science Journal Magistrorum et Scholarium: Jurnal Pengabdian Masyarakat Indonesian Journal of Community Services Cel EJOIN : Jurnal Pengabdian Masyarakat JIPM: Jurnal Indragiri Penelitian Multidisiplin Open Global Scietific Journal IMPACTS: International Journal of Empowerment and Community Services Jurnal Medika: Medika E-Amal: Jurnal Pengabdian Kepada Masyarakat Journal of Dedication in Community (JoDiC)
Apriyanto, Mulono
Sekolah Pasca Sarjana Magister Ilmu Pertanian, Universitas Lancang Kuning
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Journal : open global scietific journal

 1 
Physical and Chemical Properties of Robusta Coffee Beans at Different Temperatures and Roasting Times Eko Sutrisno; Anis Nurhayati; Mulono Apriyanto
Open Global Scientific Journal Vol. 2 No. 1 (2023): Open Global Scientific Journal
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v2i1.14

Abstract

Robusta coffee in the Rejosari Mojokerto Village is undertaken by the local community. However, to ensure the production of high-quality coffee and avoid the production of low-priced products, it is imperative for the community to possess a comprehensive understanding and knowledge of coffee post-harvest processing methods. This study aims to investigate the physicochemical properties of Robusta coffee under varying roasting temperatures and times. Several key variables were observed, including the number of beans per 100 grams of coffee, geometric diameter (GM), and average weight of coffee beans, which were employed to assess the physical properties of the coffee. Furthermore, the chemical composition of coffee was analyzed in terms of extract weight, ash content, caffeine, glucose, and coffee protein levels. The results indicate that 100 grams of Robusta coffee contain an average of 368 individual coffee beans, each weighing approximately 0.27 grams, with a geometric dimension (GM) of 10.3 mm. Moreover, the extract weight, caffeine, glucose, and protein content exhibit a decreasing trend during the roasting process. As the roasting time increases and the temperature rises, the percentage of coffee extract and caffeine content decreases. Notably, coffee roasted at 200°C for 20 minutes exhibits the highest ash percentage, reaching 4.16%. It was observed that higher roasting temperatures and longer roasting periods result in increased ash content. This study highlights the significant influence of varying roasting temperatures and times on the quality of the resulting coffee beverage.
Analysis of rural environmental quality in Glagah Subdistrict, Lamongan Regency, East Java Eko Sutrisno; Mulono Apriyanto; Sri Ndaru Arthawati; Apriningsih Apriningsih; Lilla Puji Lestari
Open Global Scientific Journal Vol. 2 No. 2 (2023): Open Global Scientific Journal
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v2i2.21

Abstract

There are several types of environmental pollution in rural areas in Glagah Subdistrict, Lamongan Regency, such as water, soil, and air pollution. Air pollution occurs because the Glagah Subdistrict is crossed by the inter-regency axis road, which is travelled by many vehicles. Meanwhile, water and soil pollution in this area occur due to fish farming and ponds. In addition, Glagah Subdistrict in Lamongan Regency is considered a flood-prone area due to high rainfall that causes the overflow of Bengawan Solo River. This study aims to determine the quality of the rural environment in Glagah Subdistrict. This study used survey and questionnaire methods. Data were analyzed quantitatively using statistical calculations and frequency tables supported by descriptive analysis. The research parameters observed were environmental quality, disaster-prone potential, and the existence of disaster response by the local village government. The results of this study show that villages in Glagah Subdistrict do not experience air or soil pollution, as they are located far from industrial areas. Instead, water pollution occurs every year, characterized by the proliferation of water hyacinth that covers the surface of the rivers, thus inhibiting the flow of river water. Potential disasters in Glagah Subdistrict are flooding and tornado. Flooding occurs in seven villages located near Bengawan Jero (a tributary of Bengawan Solo) and can be categorized as annual flooding. Villages that are annually affected by flooding do not have disaster mitigation plans, even though funds for such activities are available. Therefore, cross-sectoral cooperation is needed to overcome the annual flooding in Glagah Subdistrict.
Flavonoid Content and Antioxidant Activity of Brown Rice: Method Temperature and Time Apriyanto, Mulono; Ariyanto, Anto; Ervayendri; Fitriani, Dita
Open Global Scientific Journal Vol. 4 No. 2 (2025): Open Global Scientific Journal
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v4i2.76

Abstract

Background: Brown rice contains bioactives, including flavonoids and carotenoids, which function as antioxidants. Polyphenols are flavonoid molecules that are widely found in plant life and have antioxidant properties. Antioxidants can help suppress or prevent oxidation of substrates. The body needs antioxidants to ward off free radicals.Aims: This study evaluated the antioxidant and flavonoid activities of brown rice extract, using ethanol for extraction in an ultrasonic bath. Each of the first and second Erlenmeyer flasks received 150 ml of ethanol for extraction.Methods: An ultrasonic bath operating at 47 kHz and 45 ºC was used for further extraction for either 20 or 30 minutes on the primary flask. The Erlenmeyer jar was also removed at 55 ºC after 20 or 30 minutes. Flavonoid quantifications began with dissolving 10 mg of brown rice extract in ethanol to reach a concentration of 1000 ppm. The content was homogenized until uniform, incubated, and the absorbance measured at 415 nm. To prepare an extract solution from 25 mg of extract, ethanol was added to make a total of 25 ml. The resulting extraction solution contained concentrations of 100, 200, 300, 400, and 500 ppm, with 1 mL of 0.4 mM DPPH solution added to each concentration.Results: Variations in extraction time and temperature did not significantly affect flavonoid levels (p>0.05), increasing extraction temperatures resulted in diminished antioxidant efficacy.Conclusion: The study confirmed the direct correlation between antioxidant capacity and flavonoid concentration, emphasizing that lower extraction temperatures yield better results.
Co-Authors -, Baharuddin Abda Abda Abdul Rahman Sidik Abdul Razak Abdul Razak Abdullah Abdullah Ahamad Rifa’i Alfa, Akbar Ali Azhar Ali Azhar Ali Azhar Ali Azhar Ali Azhar Ali Azhar Ali Azhar Ali Azhar Ali Azhar Ali Azhar Ali Azhar Amd Junaidi Anis Nurhayati Anitasar, Bestfy Anto Ariyanto Apriningsih, Apriningsih Apriningsih Ardiles, Ardiles Ari Setiawan Arif Munandar Arum Putri Rahayu Backe, Riati Baehaqi Bahruslim Bahruslim, Bahruslim Bayu Fajar Susanto Bayu Rianto Burhan, Djono Albar Dewi Handayani Dita Fitriani Eko Priyono Eko Sutrisno Eko Sutrisno Elfi Yenny Yusuf Eman Sulaiman Eni Harmayani Eni Harmayani Ervayendri Euis Amalia Fatma Zuhrotun Nisa Feni Puspitasari Feni Puspitasari Fenthy Marlina Safitri Fikri, K.M.S. Novyar Satriawan Fitriani, Dita Fitriyah, Andi Tenri Hadi, Danang Hermiza Mardesci Ihwana As’ad Ilham, Dirja Nur Ilyas Ilyas Indra Mudrika Indra Purnama Indriyani Indriyani Indriyati, Citra Intan Sari Irianto Irianto Irianto Irianto Ismawati, Ike Jamri Jeki Prianto Kadek Rantawan Khairul Ihwan, Khairul Lana Santika Nadia Lilla Puji Lestari Listiyawati Listiyawati Lubis, Siti Rahmah Hidayatullah Lukman Handoko M Rexy Dimas Nasrullah M. Ramli M. Ridwan Marlina Marlina Marlina Marlina Marlina Marlina Marlina Marlina Marlina Marlina Marlina Melisa Muchlis Muchlis Muflihah Isnawati Muhammad Arpah Muhammad Ramli Muhammad Ramli Muharun Muharun Muharun, Muharun Mustofa, Riyadi Najirah Umar Nefrida Ninsix, Retti Ninsix, Retti Novitasari, Rifni Novyar Satriawan Fikri, KMS Nurhayati, Nurhayati Nursida, Nursida Nursida. Zinatal Hayati, Rofika Nofri Yandra. Olvi Ariyani Partini Priambada, Priambada Priyanto, Trimo Puspitasari, Feni Rahmadewi, Yunda Maymanah Rahmat Putra, Ade Ratri Retno Utami Ratri Retno Utami Rauza Sukma Rita Retti Ninsix Retty Ninsix Reza Winata Aulia Hutami Riati Bakce Riono, Yoyon Riyadi Mustofa Roberta Zulfhi Surya Roshid, Muhammad Nahruddin Rujiah Rujiah Rujiah Rujiah Rujiah Rujiah Rujiah Rujiah Rujiah Rujiah Rujiah Rujiah, Rujiah Safitri, Fenthy Marlina Safitri, Fenthy Marlina Said Muhammad Ikhsan Zulfi Maaruf Saputra, M. Rezki Satriawan Fikri, KMS. Novyar Sevia Dwi Suryanti Siti Asiah Jamil Siti Helmyati Sri Ndaru Arthawati Suci Adhis Rahmadani Sufiyanto, Mohammad Imam Sunaryanto, Hadi Supriyanto Supriyanto Supriyanto Supriyanto Suryadi Suryadi Suryadi Suryanti, Sevia Dwi Sutardi Sutardi Sutardi Sutardi Sutiharni, Sutiharni Syamsiar, Syamsiar Syamsul Arifin Tiara Pertiwi Trimo Priyanto Veriani Aprilia Vivi Arfiani Siregar Vivi Arfiani Siregar Widyawati Widyawati Widyawati Widyawati Wuri Ratna Hidayani Yoyon Riono Yoyon Riono Yulianti Yulianti Yulianti Yulianti Yulianti Yulianti Yulianti Yulianti Yunda Maymanah Rahmadewi Yusuf, Elfi Yenny