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All Journal Reaktor Jurnal Teknik ITS IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science Indonesian Journal of Chemistry ASEAN Journal of Chemical Engineering Jurnal Teknik Kimia Indonesia Sewagati Jurnal Teknik Kimia dan Lingkungan Bulletin of Chemical Reaction Engineering & Catalysis
Winardi, Sugeng
Departemen Teknik Kimia Institut Teknologi Sepuluh Nopember
Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Education Energy Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Public Health Social Sciences Other

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Journal : ASEAN Journal of Chemical Engineering

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Microparticles Formation of Ganoderma lucidum Extract by Electrospraying Method Siti Machmudah; Dwi Setyorini; Sugeng Winardi; Wahyudiono Wahyudiono; Hideki Kanda
ASEAN Journal of Chemical Engineering Vol 19, No 2 (2019)
Publisher : Department of Chemical Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (913.918 KB) | DOI: 10.22146/ajche.52004

Abstract

In this work, Ganoderma lucidum (G. lucidum) extract was produced in microparticles form by electrospraying. G. lucidum was extracted hydrothermally at temperature of 160oC and pressure of 7 MPa. The extract solution was subsequently mixed with 6% of Polyvinyl pyrrolidone (PVP) and formed into microparticles by electrospraying process. The electrospraying was carried out at applied voltage of 12, 14, and 16 kV, and the distance between syringe tip and electrospun collector of 8, 10, and 12 cm. The microparticles formed was analyzed using scanning electron microscope (SEM), fourier-transform infrared (FTIR) spectroscopy, and UV-Vis spectrofotometer. The antioxidant efficiency of particles was also analyzed by 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay. Based on the SEM analysis, the G. lucidum extract (GLE) – PVP spherical particles were formed by electrospraying. The finer fibres were clearly formed with the increasing applied voltage. The results showed that applied voltage and distance of tip to electrospun collector significantly influence the antioxidant efficiency and the diameter size of particles. The antioxidant efficiency increased with the rising applied voltage and gap of tip to electrospun collector, while the particle diameter decreased with the rising applied voltage and gap of tip to electrospun collector due to fast mass transfer and evaporation. The largest antioxidant efficiency of particles was 0.377/min obtained at 16 kV and 12 cm. It indicated that electrospraying is an effective process to produce pharmaceutical compounds in powder form.
Yield and Extraction Rate Analysis of Phytochemical Compounds from Eucheuma cottonii, Ganoderma lucidum, and Gracilaria sp. using Subcritical Water Extraction Fesa Putra Kristanto; Siti Machmudah; Sugeng Winardi; Wahyudiono Wahyudiono; Motonobu Goto
ASEAN Journal of Chemical Engineering Vol 21, No 1 (2021)
Publisher : Department of Chemical Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ajche.60513

Abstract

Eucheuma cottonii (E. cottonii), Ganoderma lucidum (G. lucidum), and Gracilaria sp. are plants that contain high phytochemicals, such as flavonoids, polyphenols, saponins, and tannins. In this work, the phytochemicals were obtained using the subcritical water extraction (SWE) process. The SWE method uses water as a solvent in subcritical conditions. Therefore, the SWE process is an environmentally friendly process for extraction. In order to run the SWE process optimally, measurement of the extraction rate of SWE is needed. Calculation of the extraction rate of SWE process used first and second-order models according to Lagergren equation. SWE process was started by setting temperatures from 140 to 180oC at a pressure of 7 MPa and solvent flow rate of 1 ml/min. Before starting the extraction, the raw material was loaded into the extractor. The raw materials used were E. cottonii, G. lucidum, and Gracilaria sp. The extraction process was carried out for 3 hours, and the product was collected every 30 minutes. The collected product was put into a sample bottle and dried using a freeze dryer. After that, the products obtained were balanced by an analytical scale. Based on the result, the optimum temperature for the SWE process was 180oC for E. cottonii and G. lucidum and 160oC for Gracilaria sp. The yields of the SWE process under the optimum temperature were 85.37%, 58.42%, and 75.73% for E. cottonii, G. lucidum, and Gracilaria sp, respectively. The extract contained phytochemical compounds detected by high-performance liquid chromatography analysis. The kinetics model of extraction rate for all variables exhibited a second-order kinetics model that indicated that the extraction process was influenced by more than one factor.
Co-Authors Abdul Halim Abdul Halim Abdul Halim Achmad Roesyadi Adhi Setiawan Agung Nugroho Agung Nugroho Ali Altway Brario Anindito Dwi Setyorini Dwi Setyorini Fadlilatul Taufany Heru Setyawan Hideki Kanda Hideki Kanda Hideki Kanda Iva Maula Kristianto, Fesa Putra Kusdianto Kusdianto Lailatul Qadariyah Ling Ling Luthfia H. Abdillah M Rachimoellah Machmudah, Siti Mochammad Agung Indra Iswara Mochammad Agung Indra Iswara Motonobu Goto Motonobu Goto Motonobu Goto Mukhaimin, Iman Nadiem Anwar Novia Larasati Nurcahyani, Centri Nurkhamidah, Siti Safitria, Nadiya Rizki Siti Chasanah Siti Machmudah Siti Machmudah Siti Machmudah Siti Machmudah Siti Machmudah Siti Machmudah Siti Zullaikah Sjarief Widjaja Sumarno Sumarno Suryadi, Joko Tantular Nurtono Wahyudiono Wahyudiono Wahyudiono Wahyudiono Wahyudiono Wahyudiono Wahyudiono Wahyudiono Widiyastuti Widiyastuti Widiyastuti Widiyastuti Widiyastuti Widiyastuti Widiyastuti Yeni Rahmawati, Yeni Yukh Ihsana