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All Journal Jurnal INKOM Jurnal Penelitian Pendidikan Matematika dan Sains Jurnal technoscientia Eksergi: Chemical Engineering Journal Techno LPPM Proceeding SENDI_U MESIN Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) JLBG (Jurnal Lingkungan dan Bencana Geologi) (Journal of Environment and Geological Hazards) Infotronik : Jurnal Teknologi Informasi dan Elektronika JPPS (Jurnal Penelitian Pendidikan Sains) Jurnal Abdi: Media Pengabdian Kepada Masyarakat JURNAL TEKNOLOGI TECHNOSCIENTIA Jurnal Pendidikan dan Teknologi Indonesia Humantech : Jurnal Ilmiah Multidisiplin Indonesia Journal of Software Engineering, Information and Communication Technology Fruitset Sains : Jurnal Pertanian Agroteknologi Automotive Experiences Makara Journal of Technology Dharma: Jurnal Pengabdian Masyarakat Fuse-teknik Elektro Jurnal Pengabdian kepada Masyarakat Jurnal Rekayasa elektrika SELAYAR: Jurnal Pengabdian Masyarakat
Bambang Sugiarto
Indonesian Institute of Sciences (LIPI)
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EXTRACTION OF NATURAL COLOR OF BUTTERFLY PEA (CLITORIA TERNATEA L) WITH VARIABLES pH-TEMPERATURE AND CONCENTRATION FOR FOOD COLORING Sugiarto, Bambang; Rirung, Yustin; Ardiyani, Anita Nur; Achmad, Zubaidi
Journal TECHNO Vol. 8 No. 1 (2022): Mei
Publisher : Universitas Pembangunan Nasional Veteran Yogayakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/journal techno.v8i1.6364

Abstract

Anthocyanins are chemical compounds contained in a plants. Anthocyanin pigments are water soluble and have pink, red, purple, blue, and yellow colors. Anthocyanins act as a natural food coloring in the form of dry powder or concentrated liquid. The production of anthocyanins from butterfly pea as a natural dye is currently not maximized yet. The anthocyanin extraction process in this study was carried out by heating the butterfly pea using aquadest as a solvent. The purpose of this study is to find the optimum conditions for extracting anthocyanins from butterfly pea, to learn the effect of temperature and pH on the absorbance and color values of the butterfly pea extract with distilled water, as well as its application as a natural dye in food. In this study, it was found out that the optimum concentration was obtained at a ratio of 15 grams:500 ml (weight of butterfly pea:solvent volume) at pH 4. This proves that the concentration will increase along with the increase in the absorbance value. The optimum concentration value occurs at a temperature of 60°C. While the lowest transmittance value was obtained in the sample with a ratio of 15 grams: 500 ml (weight of telang flower: volume of solvent) at pH 4 and a temperature of 60°C. This proves that the transmittance value is inversely proportional to the concentration value. The butterfly pea extract that obtained at pH 4 produced a bluish purple color, pH 5 produced a purplish blue color, pH 6 produced a light blue color, pH 7 produces a blue color, pH 8 produces a bluish green color, and pH 9 produces a green color.
THE OPTIMIZATION OF DRYING IN THE PROCESS OF TAKING GLUCOMMANAN AS PORANG FLOUR (Amorphophallus Spp.) Sugiarto, Bambang; Proklamagita, Angela Merici Herdyana; Hasibuan, Juana Hizkia; Sulistyowati, RR Endang
Journal TECHNO Vol. 9 No. 2 (2023): November
Publisher : Universitas Pembangunan Nasional Veteran Yogayakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/journal techno.v9i2.11887

Abstract

Porang (Amorphophallus Spp.) is one of the Indonesian commodities that are full of benefits because they contain glucomannan, but Porang also contains calcium oxalate, which is dangerous if consumed in large quantities so it requires pre-treatment such as immersion. Besides that, immersion also serves to maintain and improve the physical and chemical quality of Porang. In this research, the immersion media used were water, salt solution (NaCl), vinegar solution (CH3COOH) and ethanol. Porang that have gone through the immersion process are then removed from the water content using spinner and then dried using dehydrator. This research used drying temperature variations of 40°C, 45°C, 50°C, 55°C, and 60°C. The purpose of this research was to obtain the optimal drying temperature for the glucomannan content of Porang flour. Glucomannan content was determined using DNS method. The result showed that each immersion media had a different optimal temperature due to the difference in oxalate released.
EFEKTIVITAS ALAT PENGERING DEHIDRATOR TENAGA LISTRIK SEBAGAI ALTERNATIF PENGERINGAN HASIL PERTANIAN SEREH WANGI Sugiarto, Bambang; Mariska Aulia Putri, Indah; Nur Azizah, Isnaini; Wahyu Widayati, Tunjung
Journal TECHNO Vol. 10 No. 1 (2024): Mei
Publisher : Universitas Pembangunan Nasional Veteran Yogayakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/journal techno.v10i1.13232

Abstract

Most drying processes in Indonesia still utilize heat from direct sunlight. However, this method is deemed less effective because it is very dependent on the intensity of sunlight (weather) and the time required tends to be long. A drying tool is needed as an alternative that can be used to save drying time. This research aims to determine the efficiency of electrically powered drying equipment using citronella as an agricultural product that is abundant and easy to find. The variables used in this research are material weight with variations of 10, 15, 20, 25, 30 grams and drying time with variations of 10, 15, 20, 25, 30 minutes. The test methods used were air content testing, drying rate testing, mass flow rate testing and drying equipment efficiency testing. The results of the tests that have been carried out, obtained optimal results for the citronella material, namely with a weight variation of 10 grams over a period of 5 hours with the lowest water content of 2%. The efficiency of the electric power dryer was obtained at 65.62%.
IMPLEMENTASI TEKNOLOGI PENGOLAHAN SAMPAH PLASTIK, KARET, DAN STYROFOAM SEBAGAI ENERGI ALTERNATIF Sugiarto, Bambang; Purwanto, Heru Sigit; Irfandi, Fauzan
Dharma: Jurnal Pengabdian Masyarakat Vol. 2 No. 1 (2021): Mei
Publisher : Universitas Pembangunan Nasional "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/dlppm.v2i1.4799

Abstract

Household waste, especially plastic, styrofoam and used tires, is a problem for the community because it reduces the quality of the environment. In addition, another problem faced by the community is the increase in household expenditure from consuming fuel for cooking. The community service team tries to overcome both of these problems by implementing waste-to-fuel processing technology. Community service activities include training, mentoring, and providing facilities for processing waste into environmentally friendly fuel. The activity was carried out at the Surolaras Waste Bank, Yogyakarta City. The benefits that are felt are reduced waste, fuel products that can be used for household needs, reduced household expenses, and a well-preserved natural environment.
Co-Authors Achmad, Zubaidi Adawiah, Lulu Robiatul Ade Kurniawan Agama, Askar Adika Ahmad Hasyim Amaria Amaria Anggarani, Riesta Ardiyani, Anita Nur Auzani, Ahmad Syihan Bagusputra, Argan Imam Bustanul Arifin Christy Atika Sari Dendi, Dede Dewanata, Rachman Pandu Dewi, Cicilia Tri Marantika Dwi Mulya, Okta ENDANG SUSANTINI Erwin, Iwan Muhammad Fatchurohman, Dedi Fatman, Yenni Frans Setiawan, Frans G.M. Lucki Junursyah, G.M. Lucki Gunawan Gunawan Gunawansyah Gunawansyah, Gunawansyah Hanifuddin, M Hapsari, Nani Sarah Hasibuan, Juana Hizkia Haviani Laluma, Riffa Hendranto, Rahadian Yogi Hendrawan, Rizqi Ainur Hermawan, Angga Dimas Heru Sigit Purwanto Ikhsan, Akhmad Fauzi Ilham Ramadhan, Muhammad Ghiffaari Indra Sakti Indyo Pratomo Iqbal, Fahmi Mohamad Irfandi, Fauzan Isnaini Nur Azizah, Isnaini Ivany Sarief, Ivany Kusuma, Heri Septya Lucki Junursyah, G.M Mariska Aulia Putri, Indah Merdeka Putri, Wulandari Pancadasa Mokhtar, Mokhtar Muchlis Muchlis Ningsih, Ristati Nugraha, Muhammad Fauzi Nur, Salsabila Nuraini Sukmana, Rini Nurfitriani, Nisa Nurholis Majid, Nurholis Nyamiati, Retno Dwi PRABOWO Praromadani, Zulimatul Safa'ah Prasetya, Angga Proklamagita, Angela Merici Herdyana Putri, Sari Rahmawati Ramadhan, Zulqy Fazrie Ramdhani, Muhamad Deris Riffa Haviani Laluma Rirung, Yustin Rizqon Fajar Rokhis, Tria Ainur Rukmana, Ade Samidi Samidi, Samidi Saputra, Krisna Arga Septian Chairulsyah, Defti Setyawan, Tri Aji Sifa Nurpadillah Sri Poedjiastoeti Sulistyowati, RR Endang Suranto Suranto SUYONO Suyono Suyono Syahrizal, Adyanto Taufik Suryantoro, Taufik Taufiqurrahman, Muhammad Faja Tiara, Dinda Raihan Tunjung Wahyu Widayati Tuqa, Eka Tina Nur Ula Ummi Kalsum Wellia Shinta Sari Wibowo, Cahyo Setyo Widayati, Tunjung Wahyu Wiharko, Teguh Wiharso, Tri Arif Wirawan, Kristuaji Andre Wulandari, Amelia Puspita Yuliana, Siska Yulianto Sulistyo Nugroho