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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Ilmu Pertanian Indonesia Jurnal Ilmu dan Teknologi Hasil Hutan Jurnal Penelitian Hutan dan Konservasi Alam Jurnal Penelitian Hasil Hutan Cannarium (Jurnal Ilmu-ilmu Pertanian) Journal of Degraded and Mining Lands Management Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Teknik Sipil Indonesian Journal of Chemistry Jurnal Penelitian Sosial dan Ekonomi Kehutanan Jurnal Ilmu dan Teknologi Kayu Tropis Jurnal Jamu Indonesia Jurnal Penelitian Hasil Hutan Wood Research Journal : Journal of Indonesian Wood Research Society Wood Research Journal : Journal of Indonesian Wood Research Society Jurnal Sylva Lestari Makara Journal of Science Jurnal Ilmu Kehutanan Indonesian Journal of Jamu Jurnal Penelitian Hasil Hutan
Lina Karlinasari
Department Of Forest Products, Faculty Of Forestry And Environment, IPB University, Darmaga Campus, Bogor 16680, West Java, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Energy Environmental Science Health Professions Materials Science & Nanotechnology Medicine & Pharmacology Social Sciences Other

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MENGIDEALISASIKAN PENAMPANG LINTANG BULUH BAMBU MENJADI BENTUK GEOMETRI CONIC UNTUK MENGHITUNG SIFAT PENAMPANGNYA Effendi Tri Bahtiar; Asep Denih; Lina Karlinasari; Gustian Rama Putra; Naresworo Nugroho; Sulistyono Sulistyono
Jurnal Penelitian Hasil Hutan Vol 40, No 3 (2022): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2022.40.3.165-188

Abstract

Seorang desainer perlu menyederhanakan variasi bentuk penampang bambu mengikuti geometri ideal yang paling mendekati bentuk aktualnya agar analisis struktur konstruksi bambu dapat dilakukan. Geometri penampang buluh bambu bervariasi dan menyerupai cincin conic seperti lingkaran, elips, atau bulat telur. Bentuk penampang conic yang paling pas yaitu yang paling menyerupai bentuk penampang aktual bambu perlu dipertimbangkan. Studi ini memformulasikan persamaan-persamaan matematis untuk menghitung sifat penampang buluh bambu (termasuk luas, momen pertama penampang, centroid, dan momen inersia) yang disesuaikan dengan bentuk cincin lingkaran, elips, dan bulat telur. Ketebalan, diameter, sumbu mayor, dan sumbu minor empat jenis bambu yaitu bambu tali (Gigantochloa apus), bambu ampel (Bambusa vulgaris), bambu andong (Gigantochloa pseudoarundinacea), dan bambu mayan (Gigantochloa robusta) diukur dan kemudian nilai-nilainya disubstitusikan ke dalam persamaan yang terbentuk untuk menghasilkan wilayah sifat-sifat penampang setiap spesies bambu.
Antioxidant Activity of Fungus Comb Extracts Isolated from Indo-Malayan Termite Macrotermes gilvus Hagen (Isoptera: Termitidae) Yanti Rachmayanti; Dikhi Firmansyah; Reza Ro'isatul Umma; Decsa Medika Hertanto; I Ketut Sudiana; Djoko Santoso; Dodi Nandika; Lina Karlinasari; Arinana Arinana; Irmanida Batubara; Lucia Dhiantika Witasari
Indonesian Journal of Chemistry Vol 22, No 6 (2022)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.77227

Abstract

Indonesian termites are one of the wealthiest biological resources considering their very high species diversity (300 species) and extensive geographical distribution in the Indonesian mainland. However, its potential as a source of bioactive compounds has not been fully explored. One of the endemic termite sub-families of Indonesian, Macrotermitinae (Isoptera: Termitidae), has a food source in the form of fungal nodules that grow and spread in a particular structure in the termite nest that is shaped like a mammalian brain called a fungus comb, which likely serves as a source of bioactive compounds. This study aims to analyze the potential of fungus comb from an Indonesian Macrotermitinae sub-family species as a source of antioxidants. Antioxidant activity was tested on four different extracts of fungus comb (EFC), namely hexane extract, ethyl acetate extract, methanol extract and water extract, using DPPH• (1,1-diphenyl-2-picrylhydrazyl) and ABTS•+ (2,2′-azino-di-[3-ethylbenzthiazolinesulphonate]) radicals. The results showed that the highest antioxidant activity was found in methanol extract, followed by ethyl acetate extract with IC50 values of 0.6 mg/mL and 0.75 mg/mL, respectively. TEAC (Trolox equivalent antioxidant capacity) analysis confirmed the high antioxidant activity of methanol extract.
MENGIDEALISASIKAN PENAMPANG LINTANG BULUH BAMBU MENJADI BENTUK GEOMETRI CONIC UNTUK MENGHITUNG SIFAT PENAMPANGNYA Effendi Tri Bahtiar; Asep Denih; Lina Karlinasari; Gustian Rama Putra; Naresworo Nugroho; Sulistyono Sulistyono
Jurnal Penelitian Hasil Hutan Vol 40, No 3 (2022): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2022.40.3.165-188

Abstract

Seorang desainer perlu menyederhanakan variasi bentuk penampang bambu mengikuti geometri ideal yang paling mendekati bentuk aktualnya agar analisis struktur konstruksi bambu dapat dilakukan. Geometri penampang buluh bambu bervariasi dan menyerupai cincin conic seperti lingkaran, elips, atau bulat telur. Bentuk penampang conic yang paling pas yaitu yang paling menyerupai bentuk penampang aktual bambu perlu dipertimbangkan. Studi ini memformulasikan persamaan-persamaan matematis untuk menghitung sifat penampang buluh bambu (termasuk luas, momen pertama penampang, centroid, dan momen inersia) yang disesuaikan dengan bentuk cincin lingkaran, elips, dan bulat telur. Ketebalan, diameter, sumbu mayor, dan sumbu minor empat jenis bambu yaitu bambu tali (Gigantochloa apus), bambu ampel (Bambusa vulgaris), bambu andong (Gigantochloa pseudoarundinacea), dan bambu mayan (Gigantochloa robusta) diukur dan kemudian nilai-nilainya disubstitusikan ke dalam persamaan yang terbentuk untuk menghasilkan wilayah sifat-sifat penampang setiap spesies bambu.
Physical and Mechanical Properties of Oriented Flattened Bamboo Boards from Ater (Gigantochloa atter) and Betung (Dendrocalamus asper) Bamboos Alfira Ramadhani Putri; Nur Alam; Ulfa Adzkia; Yusup Amin; I Wayan Darmawan; Lina Karlinasari
Jurnal Sylva Lestari Vol. 11 No. 1 (2023): 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.v11i1.614

Abstract

Bamboo-based composite has been used widely for building components and furniture. Oriented flattened bamboo board (OFBB) is a composite board consisting of oriented structure sheets of flattening bamboo. This study aimed to analyze the physical and mechanical properties of the OFBB from ater (Gigantochloa atter) and betung (Dendrocalamus asper) bamboo. A three-layer flattened bamboo board using the isocyanate resin with a density target of 0.6 g/cm3 was applied. The characteristics of raw bamboo, the contact angle of OFBB, and board properties of density, moisture content, thickness swelling, and water absorption, as well as bending, internal bonding (IB), and compressive strength properties were determined to evaluate the quality of the OFBB.  Based on the findings, the thin wall thickness of ater bamboo enhanced the physical and mechanical properties of the OFBB compared to the higher wall thickness of betung bamboo.  Therefore, further development in bamboo composite products with those anatomical properties seems promising. The dimensional stability and bending properties of OFBB from ater bamboo met the quality of first grade of the Canadian Standard for OSB and waferboard, except for the IB strength. Keywords: Bamboo wall thickness, contact angle, Dendrocalamus asper, Gigantochloa atter, oriented flattened bamboo board
Karakteristik Spektra Absorbansi NIR (Near Infra Red) Spektroskopi Kayu Acacia mangium WILLD pada 3 Umur Berbeda Lina Karlinasari; Merry Sabed; Nyoman J. Wistara; Aris Purwanto; Hari Wijayanto
Jurnal Ilmu Kehutanan Vol 6, No 1 (2012)
Publisher : Fakultas Kehutanan Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1121.8 KB) | DOI: 10.22146/jik.3310

Abstract

Penelitian mengenai pengujian nondestruktif metode near infrared (NIR) spektroskopi di Indonesia masih sangat terbatas. Penelitian ini bertujuan untuk menentukan karakteristik spektra NIR spektroskopi (panjang gelombang 700 nm – 2500 nm) kayu Acacia mangium dari 3 umur yaitu 5, 6, dan, 7 tahun. Kayu mangium diperoleh dari daerah Maribaya, Parung Panjang, Bogor. Sampel contoh uji spektra terdiri dari bentuk solid atau padatan dan bentuk serbuk kayu. Hasil penelitian menunjukkan spektra absorban NIR sampel padatan kayu lebih tinggi dibandingkan bentuk sampel serbuk. Umur pohon untuk jenis kayu yang sama tidak memberikan informasi perbedaan pola spektra absorbansi NIR yang nyata untuk setiap lokasi panjang gelombangnya. Penelitian lebih lanjut dapat dilakukan untuk menentukan model pendugaan sifat kimia, fisis dan mekanis kayu menggunakan analisis statistik metode analisis multivariasi.Kata kunci: NIR spektroskopi, Acacia mangium, kayu solid, serbuk kayu  Characteristics of Absorbency Spectra of NIR (Near Infra Red) Spectroscopy of Acacia mangium Willd Wood from Three Different AgeAbstractResearch on non-destructive test of near infrared (NIR) spectroscopy method was still limited in Indonesia. The aim of this study was to determine near infrared (NIR) spectroscopy (wavelength range within 780 nm -2500 nm) characteristic of wood species of Acacia mangium. The samples were selected from three different ages e.g. 5 year, 6 years, and 7 years grown in Maribaya area of Parung Panjang Distric. The NIR testing samples used were solid wood and ground wood. This study resulted that there was visually no significant difference of absorbance spectra NIR patterns based on wood ages. NIR absorbance spectra had same trend for both solid and ground wood samples in a range of wavelength, although those were in different values. The NIR absorbance spectra values of solid wood samples seemed higher than ground wood samples. Further research is needed to develop predicting model of NIR spectroscopy to determine wood properties of chemical, physical and mechanical properties using multivariate analysis method.
Analysis of four categories of environmentally friendly building assessment (case study: Ministry of Energy and Mineral Resources, Jakarta) Nurul Asmarani Damayanti Rahardjo; Yudi Chadirin; Lina Karlinasari
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 13 No 2 (2023): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.13.2.222-236

Abstract

The Chairul Saleh Building or the Secretariat General Office Building has implemented the Energy Management Program since 2016. In this study, an assessment was carried out based on the GBCI environmental assessment tool, especially for aspects of land use, energy efficiency and conservation, water conservation, and building environmental management aspects. The requirement analysis to get a green predicate is provided by points assessment which fullfillment the standard. Chairul Saleh building has implemented 10 of the 16 points in Appropriate Site Development category. Energy efficiency and conservation, Chairul Saleh building has implemented 29 of the 36 maximum points. Water Conservation category managed to get 5 out of 20 maximum points, while Building Environmental Management managed to get 11 out of 13 points, Material Resource and Cycle get 8 out of 12 points, Indoor Health and Comfort, get 9 out of 20 points, which was determined in the GBCI greenship rating tools for existing building. The result revealed that in the total value of Chairul Saleh Building was 72 points, it meants achived the Gold certification. Based on the rating set by the GBCI greenship, the Chairul Saleh building is currently awarded a Gold rating for its ability to apply the green building standard.
The Acoustical Properties of Indonesian Hardwood Species Karlinasari, Lina; Baihaqi, Hans; Maddu, Akhiruddin
Makara Journal of Science Vol. 16, No. 2
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Fingerprints, Antioxidant Activity, and Anti-Tyrosinase of Fungus Comb Extract Dewi, Trisni Untari; Diposani, Diva Putri; Rohaeti, Eti; Nandika, Dodi; Karlinasari, Lina; Arinana, Arinana; Santoso, Djoko; Witasari, Lucia Dhiantika; Rachmayanti, Yanti; Batubara, Irmanida
Jurnal Jamu Indonesia Vol. 8 No. 3 (2023): Jurnal Jamu Indonesia
Publisher : Tropical Biopharmaca Research Center, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jji.v8i3.346

Abstract

Fungus comb is a structure made by termite colony Macrotermitinae with lots of potential because it contains secondary metabolites such as steroids, terpenoids, and saponins and compounds containing antioxidant and anti-tyrosinase properties. This study aimed to determine fungus comb extracts' fingerprint pattern, antioxidant capacity, and anti-tyrosinase activity. Thin layer chromatography (TLC) was used to determine fingerprint patterns. The resulting TLC pattern was processed with ImageJ and converted into a densitogram. The fungus comb was extracted with n-hexane and ethyl acetate. TLC results showed that fungus comb extracts contain steroids and terpenoids and have antioxidant properties. The antioxidant capacity assay was carried out with 2,2-diphenyl-1-picrylhydrazyl reagent. N-hexane extract had an antioxidant capacity value of 9.07 mg ascorbic acid equivalent (AAE)/g extract, while ethyl acetate extract had 6.04 mg AAE/g extract. Anti-tyrosinase activity assay was carried out with L-tyrosine and L-3,4-dihydroxyphenylalanine (L-DOPA) as substrates. N-hexane extract had a better anti-tyrosinase activity with IC50 of 1804 µg/mL for L-tyrosine and 6784 µg/mL for L-DOPA.
Environmental Impact of Limestone Mining Using A Life Cycle Assessment Method Murodif, Atfal; Fauzi, Anas Miftah; Erizal; Karlinasari, Lina
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 15 No 1 (2025): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.15.1.122

Abstract

The extraction of limestone for cement production can adversely affect the environment. An inquiry is underway to examine the environmental ramifications of limestone mining to formulate strategies to mitigate these effects. This study aims to assess the ecological impact indicators of the limestone mining process by utilizing the LCA method based on CML-IAbaseline data from the openLCA software. The results indicate that crushing is a significant area of focus, contributing the most extensive value. The ratio of Ammonium Nitrate to diesel oil in adherence to guidelines is 94.5 to 5.5%. Particular emphasis is placed on assessing raw materials, especially during the loading and hauling stages. In conclusion, the research findings reveal environmental impact indicators with standardized values, such as Abiotic Depletion, Abiotic Depletion of Fossil Fuels, Acidification, Eutrophication of Freshwater Aquatic Ecotoxicity, Global Warming 100a, Human Toxicity, Marine Aquatic Ecotoxicity, Ozone Layer Depletion, Photochemical Oxidation, and Terrestrial Ecotoxicity.
Fingerprints, Antioxidant Activity, and Anti-Tyrosinase of Fungus Comb Extract Trisni Untari Dewi; Diva Putri Diposani; Eti Rohaeti; Dodi Nandika; Lina Karlinasari; Arinana Arinana; Djoko Santoso; Lucia Dhiantika Witasari; Yanti Rachmayanti; Irmanida Batubara
Jurnal Jamu Indonesia Vol. 8 No. 3 (2023): Jurnal Jamu Indonesia
Publisher : Tropical Biopharmaca Research Center, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jji.v8i3.346

Abstract

Fungus comb is a structure made by termite colony Macrotermitinae with lots of potential because it contains secondary metabolites such as steroids, terpenoids, and saponins and compounds containing antioxidant and anti-tyrosinase properties. This study aimed to determine fungus comb extracts' fingerprint pattern, antioxidant capacity, and anti-tyrosinase activity. Thin layer chromatography (TLC) was used to determine fingerprint patterns. The resulting TLC pattern was processed with ImageJ and converted into a densitogram. The fungus comb was extracted with n-hexane and ethyl acetate. TLC results showed that fungus comb extracts contain steroids and terpenoids and have antioxidant properties. The antioxidant capacity assay was carried out with 2,2-diphenyl-1-picrylhydrazyl reagent. N-hexane extract had an antioxidant capacity value of 9.07 mg ascorbic acid equivalent (AAE)/g extract, while ethyl acetate extract had 6.04 mg AAE/g extract. Anti-tyrosinase activity assay was carried out with L-tyrosine and L-3,4-dihydroxyphenylalanine (L-DOPA) as substrates. N-hexane extract had a better anti-tyrosinase activity with IC50 of 1804 µg/mL for L-tyrosine and 6784 µg/mL for L-DOPA.
Co-Authors Adi Widyanto Adisti Permatasari Putri Hartoyo Adrin, Adrin Agus Kholik Akhiruddin Maddu Akrom, Akrom Alfira Ramadhani Putri Aminuyati Anas Miftah Fauzi Andi Sukendro Anita Firmanti Arif Kurnia Wijayanto Arinana Arinana Aris Purwanto Asep Denih Ati Dwi Nurhayati Atmawi Darwis Atmawi DARWIS Bagus MARTIANTO Baihaqi, Hans Budi Hadi Narendra Davinsy, Rynaldi Decsa Medika Hertanto Dede Hermawan Dede J Sudrajat Deded Sarip Nawawi Deviro, Sonya Okta Dikhi Firmansyah Diposani, Diva Putri Diva Putri Diposani Djiono Djiono Djoko Santoso Djoko Santoso Dodi Nandika Dwi Premadha Lestari Effendi Tri Bahtiar Erizal Eti Rohaeti Eti Rohaeti Evalina Herawati Fengky Satria Yoresta Fitta Setiajiati Fredisa, Yoga Gunawan Santosa Gustian Rama Putra Hans Baihaqi Hari Wijayanto Hendra Kurniawan Heni Habibah I Nyoman Jaya Wistara I Wayan Darmawan Ignasia Maria Sulastiningsih Ina RITA Irmanida Batubara Iskandar Z Siregar ISKANDAR ZULKARNAEN SIREGAR Istie Rahayu Jeki, Jeki Kaswanto, Regan L. Leonard D D Liliefna Lestari, Dwi Premadha Lucia Dhiantika Witasari Lucia Dhiantika Witasari Lucia Dhiantika Witasari, Lucia Dhiantika Lusita WARDANI M. Farouq Iksan Machfud Machfud Madani, Hilmi Naufal mahdi mubarok Maryam Jamilah Maya Rahmawati Maya Rahmawati, Maya Merry Sabed Merry Sabed Mohammad Muslich Muhammad F Ikhsan Murodif, Atfal Naresworo Nugroho Nelly Anna Nelly Anna Nur Alam Nurul Asmarani Damayanti Rahardjo Putri, Lora Septrianda Rachmayanti, Yanti Reza Ro'isatul Umma Rifana, Haikal Zaky Rima Vera Ningsih Rita Rahmawati S.Pd. M Kes I Ketut Sudiana . Satriawan, Handi Siti Badriyah Rushayati So, Kristianto Wibison Solly Aryza Sri Mulatsih Sri Wilarso Budi Sucahyo Sadiyo Sulistyono Sulistyono Supriyanto Supriyanto Surjono Surjokusumo Surjono Surjokusumo Surjono Surjokusumo Surjono Suryokusumo Suryokusumo, Surjono Tarcisius Rio Mardikanto Tedi Yunanto Telnoni, Sipora Petronela TR. Mardikanto TR. Mardikanto, TR. Trisna PRIADI Trisni Untari Dewi Ulfa Adzkia Ulfah Juniarti Siregar Widiatmaka Yanti Rachmayanti Yudi Chadirin Yusup Amin