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R. Amirta · SciRah

Researcher profile · Semantic Scholar

R. Amirta

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R. Amirta — researcher profile on SciRah

h-index: 14
Works: 55
Citations: 622

Most-cited papers

Methane fermentation of Japanese cedar wood pretreated with a white rot fungus, Ceriporiopsis subvermispora.
R. Amirta, T. Tanabe, Takahito Watanabe, Y. Honda +2 more
2006Journal of Biotechnology101 citations
Semantic Scholar
Antioxidant and UV-Blocking Properties of a Carboxymethyl Cellulose–Lignin Composite Film Produced from Oil Palm Empty Fruit Bunch
M. T. Haqiqi, Wichanee Bankeeree, P. Lotrakul, P. Pattananuwat +5 more
2021ACS Omega71 citations Open access
Semantic Scholar
Plant diversity and energy potency of community forest in East Kalimantan, Indonesia: Searching for fast growing wood species for energy production
R. Amirta, Yuliansyah Yuliansyah, E. M. Angi, Bambang Rudy Ananto +5 more
201634 citations Open access
Semantic Scholar
Decolorization of Remazol Brilliant Blue R by New Isolated White Rot Fungus Collected from Tropical Rain Forest in East Kalimantan and its Ligninolytic Enzymes Activity
Tito Sumandono, H. Saragih, Takashi Watanabe, R. Amirta
201533 citations Open access
Semantic Scholar
Phytochemical screening and antioxidant activity of wild mushrooms growing in tropical regions
Elisa Herawati, R. Ramadhan, F. Ariyani, M. Marjenah +5 more
2021Biodiversitas Journal of Biological Diversity32 citations Open access
Semantic Scholar
Ceriporic acid C, a hexadecenylitaconate produced by a lignin-degrading fungus, Ceriporiopsis subvermispora.
R. Amirta, Kenya Fujimori, Nobuaki Shirai, Y. Honda +1 more
2003Chemistry and Physics of Lipids27 citations
Semantic Scholar
Two-steps utilization of Shorea wood waste biomass for the production of oyster mushroom and biogas - a zero waste approach.
R. Amirta, Elisa Herawati, W. Suwinarti, Takashi Watanabe
201626 citations Open access
Semantic Scholar
Toxicity evaluation and biodegradation of phenanthrene by laccase from Trametes polyzona PBURU 12
Retno Wulandari, P. Lotrakul, H. Punnapayak, R. Amirta +2 more
20213 Biotech23 citations Open access
Semantic Scholar
Comparative characterization of Macaranga species collected from secondary forests in East Kalimantan for biorefinery of unutilized fast growing wood.
R. Amirta, S. I. Nafitri, R. Wulandari, Yuliansyah +3 more
201618 citations Open access
Semantic Scholar
Antioxidant activity of an invasive plant, Melastoma malabathricum and its potential as herbal tea product
N. Sari, H. Kuspradini, R. Amirta, I. Kusuma
201817 citations Open access
Semantic Scholar
Suitability and availability analysis of tropical forest wood species for ethanol production: a case study in East Kalimantan
R. Amirta, Ahmad Mukhdlor, Dewi Mujiasih, Elis Septia +2 more
201616 citations Open access
Semantic Scholar
Alkoxyl- and carbon-centered radicals as primary agents for degrading non-phenolic lignin-substructure model compounds.
Y. Ohashi, Yukiko Uno, R. Amirta, Takahito Watanabe +2 more
2011Organic and biomolecular chemistry16 citations
Semantic Scholar
A new 4-arylflavan from the pericarps of Horsfieldia motleyi displaying dual inhibition against α-glucosidase and free radicals
R. Ramadhan, I. Kusuma, R. Amirta, Wisuttaya Worawalai +1 more
2018Natural Product Research14 citations Open access
Semantic Scholar
Soil and leaf nutrient status on growth of Macaranga gigantea in secondary forest after shifting cultivation in East Kalimantan, Indonesia
Dwi Susanto, Daddy Ruchiyat, M. Sutisna, R. Amirta
201614 citations Open access
Semantic Scholar
Domestication and Nutrient Analysis of Schizopyllum Commune, Alternative Natural Food Sources in East Kalimantan☆
Elisa Herawati, E. T. Arung, R. Amirta
201614 citations Open access
Semantic Scholar
Pyrolysis-GC/MS Analysis of Fast Growing Wood Macaranga Species
R. D. J. Subagyono, Ying Qi, A. Chaffee, R. Amirta +1 more
202113 citations Open access
Semantic Scholar
Effect of wood, bark and leaf extracts of Macaranga trees on cytotoxic activity in some cancer and normal cell lines
E. T. Arung, R. Amirta, Qinchang Zhu, Yhiya Amen +1 more
2018Journal of the Indian Academy of Wood Science12 citations
Semantic Scholar
Characterizing nutrient status and growth of Macaranga gigantea in tropical rainforest gaps after selective logging in East Kalimantan, Indonesia
Dwi Susanto, Hayatudin Hayatudin, Aris Setiawan, Heri Purnomo +2 more
201710 citations Open access
Semantic Scholar
Response surface methodology to simplify calculation of wood energy potency from tropical short rotation coppice species
M. T. Haqiqi, Yuliansyah, W. Suwinarti, R. Amirta
20189 citations Open access
Semantic Scholar
The potency of selected ethnomedicinal plants from East Kalimantan, Indonesia as antidiabetic agents and free-radical scavengers
R. Ramadhan, P. Phuwapraisirisan, R. Amirta, M. Darmawan +6 more
2022Biodiversitas Journal of Biological Diversity8 citations Open access
Semantic Scholar
Screening for potential antidiabetes and antioxidant activities of selected plants from East Kalimantan, Indonesia
R. Ramadhan, A. Kristanti, R. Amirta, I. Kusuma +3 more
2019Biodiversitas Journal of Biological Diversity8 citations Open access
Semantic Scholar
Searching for potential wood biomass for green energy feedstock: A study in tropical swamp-peat forest of Kutai Kertanegara, Indonesia
R. Amirta, M. T. Haqiqi, Saparwadi Saparwadi, Elis Septia +7 more
2019Biodiversitas Journal of Biological Diversity8 citations Open access
Semantic Scholar
Production of high-calorie energy briquettes from bark waste, plastic and oil
W. Suwinarti, R. Amirta, Yuliansyah
20188 citations Open access
Semantic Scholar
Trial production of fuel pellet from Acacia mangium bark waste biomass
R. Amirta, T. Anwar, Sudrajat, Yuliansyah +1 more
20188 citations Open access
Semantic Scholar
Assessment of Wood Biomass Productivity from Anthocephalus macrophyllus Forest Plantation for Energy Production
Ahmad Mukhdlor, M. T. Haqiqi, M. T. Tirkaamiana, W. Suwinarti +1 more
20217 citations Open access
Semantic Scholar
Short Communication: Analysis of the ultimate wood composition of a forest plantation species, Eucalyptus pellita, to estimate its bioelectricity potency
M. T. Haqiqi, Dudu Hudaya, Helmi Alfath Septiana, R. Ramadhan +3 more
2022Biodiversitas Journal of Biological Diversity6 citations Open access
Semantic Scholar
Short Communication: Diversity of plant species growing during fallow period of shifting cultivation and potential of its biomass for sustainable energy production in Mahakam Ulu, East Kalimantan, Indonesia
Yuliansyah, M. T. Haqiqi, Elis Septia, Dewi Mujiasih +10 more
2019Biodiversitas Journal of Biological Diversity6 citations Open access
Semantic Scholar
First record of Ceriporia inflata and Ceriporia lacerata (Phanerochaetaceae, Basidiomycota) from Indonesian tropical forest
Retno Wulandari, P. Lotrakul, R. Amirta, S. Kim +2 more
2018Agriculture and Natural Resources6 citations Open access
Semantic Scholar
Characterization and ethanol potential from giant cassava (Manihot esculenta) stem waste biomass
E. Septia, Supriadi, W. Suwinarti, R. Amirta
20186 citations Open access
Semantic Scholar
Growth, biomass production and nutrient accumulation of Macaranga gigantea in response to NPK fertilizer application
Dwi Susanto, Sri Mulyati, Heri Purnomo, D. Ruhiyat +1 more
20176 citations Open access
Semantic Scholar
The potential of Macaranga plants as skincare cosmetic ingredients:A review
E. Rosamah, M. T. Haqiqi, A. S. Putri, H. Kuspradini +15 more
2023Journal of Applied Pharmaceutical Sciences5 citations Open access
Semantic Scholar
The application of NPK fertilizer boosts the nutrient uptake status and biomass production of Vernonia amygdalina
Dwi Susanto, R. Amirta
20205 citations Open access
Semantic Scholar
Nutrient distribution on soil and aboveground biomass of Macaranga gigantea five years after planting
Dwi Susanto, R. Kusuma, R. Amirta
2018Asian Journal of Forestry5 citations Open access
Semantic Scholar
A Mini Review: The Application of Eupatorium Plants as Potential Cosmetic Ingredients
A. S. Putri, M. T. Haqiqi, Supomo, I. Kusuma +16 more
2022Cosmetics4 citations Open access
Semantic Scholar
ETHNOPHARMACOLOGICAL EVALUATION OF SELECTED EAST KALIMANTAN FLORA FOR DIABETES THERAPY: THE ISOLATION OF LUPANE TRITERPENOIDS AS α-GLUCOSIDASE INHIBITORS FROM Ceriops tagal (PERR) C.B.ROBB
R. Ramadhan, P. Phuwapraisirisan, I. Kusuma, R. Amirta
20204 citations Open access
Semantic Scholar
Growth evaluation of several types of energy crops from tropical shrubs species
Dwi Susanto, AU Auliana, R. Amirta
2019F1000Research4 citations Open access
Semantic Scholar
Seed Germination and Cuttings Growth of Piper Aduncum
D. Susanto, Sudrajat, W. Suwinarti, R. Amirta
20184 citations Open access
Semantic Scholar
Evaluation of non-timber forest products used as medicinal plants from East Kalimantan (Indonesia) to inhibit ?-glucosidase and free radicals
R. Ramadhan, Ramadhan Tosepu, P. Phuwapraisirisan, R. Amirta +5 more
2022Biodiversitas Journal of Biological Diversity3 citations Open access
Semantic Scholar
Decentralized access control with anonymous authentication of data stored using blockchain
R. Amirta, M. Deepika, Ramya G Franklin
2020Research Journal of Engineering and Technology3 citations
Semantic Scholar
Physico-chemical properties and energy potency of wood waste biomass from the logging activities to generate electricity in East Kalimantan, Indonesia
R. Amirta
20163 citations
Semantic Scholar
Identification of the pest outbreak in the coastal mangrove ecosystem of Mahakam Delta, East Kalimantan, Indonesia
Harmonis Harmonis, M. T. Haqiqi, Muhammad Firdaus al Fahroni, Jefry Jefry +20 more
2024Biodiversitas Journal of Biological Diversity2 citations Open access
Semantic Scholar
Fast-growing native tree species to the secondary forest of East Kalimantan, Indonesia: Physicochemical properties of woody materials for bioelectricity feedstocks
Yuliansyah Yuliansyah, M. T. Haqiqi, Krisna Adib Setiawan, Agus Setiawan +5 more
2022Biodiversitas Journal of Biological Diversity2 citations Open access
Semantic Scholar
Mixing of acacia bark and palm shells to increase caloric value of palm shells white charcoal briquette
E. Kurniawan, R. Amirta, E. Budiarso, E. T. Arung
20172 citations
Semantic Scholar
Effect of organic manure fertilizer on the growth of Macaranga gigantea
Dwi Susanto, Auliana, R. Kusuma, R. Amirta
2019Nusantara Bioscience1 citations Open access
Semantic Scholar
OPTIMIZATION OF TEMPERATURE AND TIME PYROLYSIS FROM WHITE CHARCOAL BRIQUETTE PRODUCTION OF WASTED OIL PALM SHELL AND ACACIA BARK WITH RSM METHOD
E. Kurniawan, R. Amirta, E. Budiarso, E. T. Arung
20191 citations Open access
Semantic Scholar
The initiatives against a swamp-invasive alien plant Mimosa pigra: Heavy metal uptake and wood charcoal feedstock
Lilis Sunarti, Achmad Syarifudin, M. Fauzan, W. Suwinarti +2 more
2026Ecological Engineering & Environmental Technology0 citations Open access
Semantic Scholar
Antioxidant Activity of Agathis Borneensis Warb with Different Solvent from East Kalimantan
F. Aryani, R. Amirta, E. T. Arung, H. Kuspradini +2 more
2025International Journal on Advanced Science, Engineering and Information Technology0 citations Open access
Semantic Scholar
The effect of alkaline treatment and mixture of HDPE-PP matrixes on the red meranti wood-plastic composites
Jufriah Jufriah, R. Amirta, W. Suwinarti, I. Kusuma +1 more
2024AIP Conference Proceedings0 citations
Semantic Scholar
EFEKTIVITAS PERLAKUAN AWAL ALKALI DAN HIDROTERMAL TERHADAP PROSES DELIGNIFIKASI, POTENSI GULA REDUKSI DAN PRODUKSI ETANOL TEORITIS DARI KAYU Vernonia amygdalina Delile
M. Ufa, Nasriati N, A. F. Ningrum, W. Suwinarti +1 more
2022ULIN Jurnal Hutan Tropis0 citations Open access
Semantic Scholar
Pyrolysis-GC/MS study of fast growing wood Macaranga gigantea
R. D. J. N. Subagyono, Ye Qi, A. S. Sanjaya, R. Amirta +1 more
2019Journal of Physics, Conference Series0 citations Open access
Semantic Scholar

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M. T. Haqiqi×13
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