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Fauzi Febrianto
Forest Product Dept., Forestry Faculty, IPB University, Darmaga Campus, Bogor, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Modifikasi Steam pada Strand dalam Produksi Bamboo Oriented Strand Board Stabil, Kuat, dan Awet untuk Komponen Bangunan Febrianto, Fauzi
Policy Brief Pertanian, Kelautan, dan Biosains Tropika Vol 2 No 1 (2020): Policy Brief Pertanian, Kelautan dan Biosains Tropika
Publisher : Direktorat Kajian Strategis dan Reputasi Akademik IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agro-maritim.0201.44-48

Abstract

Produk komposit oriented strand board (OSB) merupakan papan komposit struktural yang prospek untuk dikembangkan. OSB memanfaatkan sumber daya kayu sangat efisien karena dapat dibuat dari kayu cepat tumbuh, kayu berdiameter relatif kecil, kayu bengkok dan kayu cacat atau limbah kayu lainnya yang nilai ekonominya rendah untuk dimaksimalkan pemanfaatannya. Di sisi lain, kualitas dan kuantitas hutan di dunia terutama hutan alam di Indonesia sebagai pemasok kebutuhan kayu menurun drastis. Untuk mengatasi hal ini salah satunya adalah perlu mencari bahan baku lain sebagai substitusi kayu. Bambu sebagai salah satu hasil hutan non kayu memainkan peran penting sebagai material substitusi kayu dan memiliki prospek yang cerah untuk dikembangkan sebagai bahan baku OSB. Namun, bambu Indonesia (tropis) memiliki kadar zat ekstraktif yang tinggi sehingga diperlukan perekat yang tinggi untuk dapat memiliki kualitas setara dengan BOSB yang diproduksi dari negara temperate. Oleh karena itu, modifikasi steam yaitu dengan proses steam yang diikuti pembilasan NaOH 1% pada strand bambu dikaji lebih lanjut dalam produksi BOSB untuk dapat meningkatkan kualitas BOSB yang dihasilkan dengan kadar perekat yang rendah. Teknologi sederhana ini perlu dipersiapkan untuk antisipasi jika suatu saat pengembangan industri Bamboo OSB (BOSB) dikembangkan di Indonesia dengan keunggulan komparatif yaitu sumber daya bambu Indonesia yang melimpah. Stabilitas dimensi, kekuatan, ketahanan BOSB yang dibuat dengan perlakuan modifikasi steam pada kadar perekat 8% lebih tinggi dibandingkan dengan BOSB lainnya serta memenuhi seluruh standar OSB komersial.
Antifungal Activity and Identification of Active Compounds From Wood Tristaniopsis whiteana (Griff) Against Wood Rot Fungus Jemi, Renhart; Syafii, Wasrin; Febrianto, Fauzi; Hanafi, Muhammad
Wood Research Journal Vol 15, No 1 (2024): WOOD RESEARCH JOURNAL
Publisher : Masyarakat Peneliti Kayu Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51850/wrj.2024.15.1.28-35

Abstract

The aim of the study was to analyze the content of pelawan wood extractive substances (Tristaniopsis whiteana (Griff)) and to test it with the fungi Schizophyllum commune Fr and Pleurotus ostreatus. Pelawan heartwood powder was macerated with methanol. Then fractionated in stages with n-hexane, chloroform, ethyl acetate, and butanol. The resulting extract was then tested with S. commune and P. ostreatus fungi. The most active fraction was isolated using column chromatography with a gradient system, the eluent was methanol:chloroform. Sub-fractions were then tested for fungi to determine the most active sub-fractions, and the most active sub-fractions were then analyzed by 1H NMR. The results showed that the extractive content of pelawan wood was most soluble in chloroform. All extract fractions contain potential as anti-fungal. .The chloroform fraction was very active compared to the other fractions. Isolation of the chloroform fraction by column chromatography obtained 8 sub-fractions. All of these sub-fractions were able to inhibit the growth of S.commune and P.ostreatus with IC(50) = 54.55 - 64.69 mg/L and IC(50) = 54.17 - 64.44 mg/L respectively. PL.3 sub-fraction was the most active among the 8 sub-fractions. The results of 1H NMR analysis on the PL.3 subfraction were shown to be Heptanoic Acid compounds.
Antifungal Activity and Identification of Active Compounds From Wood Tristaniopsis whiteana (Griff) Against Wood Rot Fungus Jemi, Renhart; Syafii, Wasrin; Febrianto, Fauzi; Hanafi, Muhammad
Wood Research Journal Vol 15, No 1 (2024): WOOD RESEARCH JOURNAL
Publisher : Masyarakat Peneliti Kayu Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51850/wrj.2024.15.1.28-35

Abstract

The aim of the study was to analyze the content of pelawan wood extractive substances (Tristaniopsis whiteana (Griff)) and to test it with the fungi Schizophyllum commune Fr and Pleurotus ostreatus. Pelawan heartwood powder was macerated with methanol. Then fractionated in stages with n-hexane, chloroform, ethyl acetate, and butanol. The resulting extract was then tested with S. commune and P. ostreatus fungi. The most active fraction was isolated using column chromatography with a gradient system, the eluent was methanol:chloroform. Sub-fractions were then tested for fungi to determine the most active sub-fractions, and the most active sub-fractions were then analyzed by 1H NMR. The results showed that the extractive content of pelawan wood was most soluble in chloroform. All extract fractions contain potential as anti-fungal. .The chloroform fraction was very active compared to the other fractions. Isolation of the chloroform fraction by column chromatography obtained 8 sub-fractions. All of these sub-fractions were able to inhibit the growth of S.commune and P.ostreatus with IC(50) = 54.55 - 64.69 mg/L and IC(50) = 54.17 - 64.44 mg/L respectively. PL.3 sub-fraction was the most active among the 8 sub-fractions. The results of 1H NMR analysis on the PL.3 subfraction were shown to be Heptanoic Acid compounds.
Microfibril Angles and Crystalline Properties of Reaction Woods in Agathis and Sumatran Pine Woods Purusatama, Byantara Darsan; Febrianto, Fauzi; Hidayat, Wahyu; Kim, Nam Hun
Jurnal Sylva Lestari Vol. 12 No. 1 (2024): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v12i1.792

Abstract

The microfibril angles (MFAs), relative crystallinity index (RC), and crystallite width (CrW) of compression wood (CPW), lateral wood (LTW), and opposite wood (OPW) in Agathis (Agathis loranthifolia) and Sumatran Pine (Pinus merkusii) stem wood were observed and compared to obtain valuable information on wood quality for effective utilization. The iodine staining method and optical microscopy were applied to measure the MFA in the tangential section. RC and CrW were analyzed with an X-ray diffraction technique. CPW had the largest MFA and the smallest RC in both species. In Agathis, LTW and OPW had comparable MFA, RC, and CrW, whereas the CrW of CPW was the smallest. In Sumatran pine, there was a significant difference in MFA and RC between LTW and OPW. CPW, LTW, and OPW showed comparable CrW. The MFA decreased and RC increased from near the pith to bark in both species. The CrW increased from near the pith to the bark of Sumatran pine, whereas it was constant in Agathis. In conclusion, MFA and RC could be used to identify CPW, LTW, and OPW in both species. There were distinctive MFA and RC properties between reaction wood in both species. Keywords: Agathis loranthifolia, crystalline properties, microfibril angles, Pinus merkusii, reaction wood 
Co-Authors A.A. Ketut Agung Cahyawan W Abi K Arif Adesna Fatrawana Adesna Fatrawana Adiyantara Gumilang Adrin Adrin Aginsa T. Putri Agustina Purwaningsih Ahmad Zailani Andi D Yunianti Andi Z Pranata Anne Carolina Apri H Iswanto Apri Heri Iswanto Apri Iswanto Apri Iswanto, Apri Arif Nuryawan Arinana Arinana Barbara Ozarska Byantara D Purusatama Byantara Darsan Purusatama Ching K Man Christine Wulandari Dede Hermawan Deded Sarip Nawawi Denni Prasetia Doni Hapsoro Dwi R. Endriadilla Edi S. Bakar Elvara D Satria Fengky Satria Yoresta Go Un Yang Gustan Pari Gustan Pari Gustan Pari Gustan Pari Handian Purwawangsa Hanny Hafiar Hikma Yanti I Ketut N. Pandit I Nyoman Jaya Wistara I. Ketut N. Pandit Ihak Sumardi Ihak Sumardi Imam busyra Imam Wahyudi Indrawan, Imam Wahyudi Indra G Febryano Intan F Suri Intan Purnamasari Irawati AZHAR Ismail Budiman Iwan Risnasari Jemi, Renhart Jong Ho Kim Karliati, Tati Kim, Nam Hun Marwanto Marwanto Marwanto Marwanto Marwanto Marwanto Marwanto, Marwanto Maryam Jamilah Lubis Maulana, Mohammad I Maulana, Muhammad I Maulana, Sena Min Lee Mohamad Amarullah Mohamad I Sya'bani Mohd. H. Sahri Muhammad Adly Rahandi Lubis Muhammad Adly Rahandi Lubis Muhammad Hanafi Muhammad Iqbal Adi Baskara Muhammad Iqbal Maulana Muhammad QA Damanik Nam H Kim Nam Hun Kim Nam Hun Kim Nam-Hun Kim Nicken O Putri Nurmadina Nurmadina Park, Se-Hwi Purnawati, Renny Purusatama, Byantara Darsan Rahmat Safe'i Ratih Damayanti Ratih Damayanti Renhart Jemi Rio Ardiansyah Murda Rita K Sari Rita K Sari Rita Kartika Sari Rudi Hartono Rynaldo Davinsy Se-Hwi Park See P Hwee Sehwi Park Setiowati Setiowati Seung Hwan Lee Siti Nikmatin Soleh Muhamad Subyakto Subyakto Sucahyo Sadiyo Sucipto, Tito Sudirman Sudirman Surdiding Ruhendi Surdiding Ruhendi Surdiding RUHENDI Syarif Ohorella Tekat D Cahyono Tekat Dwi Cahyono Tibertius A. Prayitno Trisna PRIADI Wahyu DWIANTO Wahyu Hidayat Wasrin Syafii Widya FATRIASARI Wisnu Satyajaya Wulan Starini Yusuf Hadi Yusuf Hadi, Yusuf Yusuf Sudo Hadi Zahrial COTO Zaidon Ashaari