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S. Ohara · SciRah

Researcher profile · Semantic Scholar

S. Ohara

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S. Ohara — researcher profile on SciRah

h-index: 25
Works: 119
Citations: 1,882

Most-cited papers

Old oil palm trunk: A promising source of sugars for bioethanol production
H. Yamada, R. Tanaka, O. Sulaiman, R. Hashim +11 more
2010127 citations
Semantic Scholar
Efficient production of 2-pyrone 4,6-dicarboxylic acid as a novel polymer-based material from protocatechuate by microbial function
Y. Otsuka, M. Nakamura, K. Shigehara, Kosuke Sugimura +3 more
2005Applied Microbiology and Biotechnology114 citations
Semantic Scholar
Identification of Three Alcohol Dehydrogenase Genes Involved in the Stereospecific Catabolism of Arylglycerol-β-Aryl Ether by Sphingobium sp. Strain SYK-6
Y. Sato, H. Moriuchi, S. Hishiyama, Y. Otsuka +7 more
2009Applied and Environmental Microbiology106 citations Open access
Semantic Scholar
Antifungal activity of constituents from the heartwood of Gmelina arborea: Part 1. Sensitive antifungal assay against Basidiomycetes
F. Kawamura, S. Ohara, A. Nishida
200456 citations
Semantic Scholar
Polyesters of 2-Pyrone-4,6-Dicarboxylic Acid (PDC) Obtained from a Metabolic Intermediate of Lignin
Tsuyoshi Michinobu, M. Hishida, M. Sato, Y. Katayama +5 more
200852 citations
Semantic Scholar
Identification of a Hydrolyzable Tannin, Oenothein B, as an Aluminum-Detoxifying Ligand in a Highly Aluminum-Resistant Tree, Eucalyptus camaldulensis1[C][W]
Ko Tahara, K. Hashida, Y. Otsuka, S. Ohara +2 more
2013Plant Physiology51 citations Open access
Semantic Scholar
Polyesters of 2-Pyrone-4,6-dicarboxylic Acid (PDC) as Bio-based Plastics Exhibiting Strong Adhering Properties
M. Hishida, K. Shikinaka, Y. Katayama, Shinya Kajita +5 more
200945 citations
Semantic Scholar
Antioxidant and antifungal activities of extracts from 15 selected hardwood species of Malaysian timber
F. Kawamura, S. F. Ramle, O. Sulaiman, R. Hashim +1 more
2011European Journal of Wood and Wood Products41 citations
Semantic Scholar
Evaluation of biological activities of extracts from 22 African tropical wood species
Ze-En Huang, K. Hashida, R. Makino, F. Kawamura +3 more
2009Journal of Wood Science41 citations Open access
Semantic Scholar
Structure Elucidation of Condensed Tannins from Barks by Pyrolysis/ Gas Chromatography
S. Ohara, Yukino Yasuta, H. Ohi
200341 citations
Semantic Scholar
Molecular Properties of 2-Pyrone-4,6-dicarboxylic Acid (PDC) as a Stable Metabolic Intermediate of Lignin Isolated by Fractional Precipitation with Na+ Ion
Tsuyoshi Michinobu, M. Bito, Yoshiko Yamada, Y. Katayama +5 more
200740 citations
Semantic Scholar
Fusible, Elastic, and Biodegradable Polyesters of 2-Pyrone-4,6-Dicarboxylic Acid (PDC)
Tsuyoshi Michinobu, M. Bito, Yoshiko Yamada, Miki Tanimura +6 more
200939 citations
Semantic Scholar
Composition of inorganic elements and the leaching behavior of biomass combustion ashes discharged from wood pellet boilers in Japan
T. Sano, Satoru Miura, H. Furusawa, S. Kaneko +3 more
2013Journal of Wood Science38 citations Open access
Semantic Scholar
Effects of Heat Treatments of Wood on the Feeding Behaviour of Two Subterranean Termites
S. Doi, Y. Kurimoto, W. Ohmura, S. Ohara +2 more
199937 citations
Semantic Scholar
Amination of pyrogallol nucleus of condensed tannins and related polyphenols by ammonia water treatment
K. Hashida, R. Makino, S. Ohara
200936 citations
Semantic Scholar
Condensed tannins from Acacia mearnsii and their biological activities
S. Ohara, Kaori Suzuki, T. Ohira
199436 citations
Semantic Scholar
Antifungal activity of iridoid glycosides from the heartwood of Gmelina arborea
F. Kawamura, S. Ohara
200534 citations
Semantic Scholar
Plant growth regulation effects of triterpenoid saponins
S. Ohara, T. Ohira
2003Journal of Wood Science34 citations Open access
Semantic Scholar
Phenolic extractives in the trunk of Toxicodendron vernicifluum: chemical characteristics, contents and radial distribution
K. Hashida, M. Tabata, K. Kuroda, Y. Otsuka +5 more
2014Journal of Wood Science33 citations Open access
Semantic Scholar
Components of Steamed and Non-Steamed Japanese Larch (Larix leptolepis (Sieb. et Zucc.) Gord.) Heartwood Affecting the Feeding Behavior of the Subterranean Termite, Coptotermes formosanus Shiraki (Isoptera: Rhinotermitidae)
W. Ohmura, S. Doi, M. Aoyama, S. Ohara
199929 citations
Semantic Scholar
Tenacious Epoxy Adhesives Prepared from Lignin-derived Stable Metabolic Intermediate
Y. Hasegawa, K. Shikinaka, Y. Katayama, Shinya Kajita +5 more
200928 citations Open access
Semantic Scholar
Facile Synthesis and NO-Generating Property of 4H-[1,2,5]Oxadiazolo[3,4-d]pyrimidine-5,7-dione 1-Oxides.
M. Sako, Souichi Oda, S. Ohara, K. Hirota +1 more
1998Journal of Organic Chemistry26 citations
Semantic Scholar
Condensed tannins: The formation of a diarylpropanol-catechinic acid dimer from base-catalyzed reactions of (+)-catechin
S. Ohara, R. Hemingway
199125 citations
Semantic Scholar
Click synthesis and adhesive properties of novel biomass-based polymers from lignin-derived stable metabolic intermediate
Tsuyoshi Michinobu, Kenta Hiraki, Y. Inazawa, Y. Katayama +4 more
201124 citations
Semantic Scholar
A Novel Biomass-based Polymer Prepared from Lignin-derived Stable Metabolic Intermediate by Copper(I)-catalyzed Azide-Alkyne Click Reaction
Tsuyoshi Michinobu, Y. Inazawa, Kenta Hiraki, Y. Katayama +4 more
200824 citations
Semantic Scholar
Induced response of the Siebold's beech (Fagus crenata Blume) to manual defoliation
N. Kamata, Y. Igarashi, S. Ohara
1996Journal of Forest Research24 citations
Semantic Scholar
Chemical components of hardwood barks stripped by the alien squirrel Callosciurus erythraeus in Japan
N. Tamura, S. Ohara
2005Journal of Forest Research22 citations
Semantic Scholar
Condensed tannins from steamed Acacia mearnsii bark
Wen-Gui Duan, S. Ohara, K. Hashida, R. Makino
200522 citations
Semantic Scholar
Two Antifungal Xanthones from the Heartwood of Calophyllum Symingtonianum
F. Kawamura, Amalia Muhamud, R. Hashim, O. Sulaiman +1 more
201221 citations Open access
Semantic Scholar
Convenient synthesis of chiral lignin model compounds via optical resolution: four stereoisomers of guaiacylglycerol-β-guaiacyl ether and both enantiomers of 3-hydroxy-1-(4-hydroxy-3-methoxyphenyl)-2-(2-methoxyphenoxy)-propan-1-one (erone)
S. Hishiyama, Y. Otsuka, M. Nakamura, S. Ohara +3 more
201221 citations
Semantic Scholar
Radical scavenging characteristics of condensed tannins from barks of various tree species compared with quebracho wood tannin
R. Makino, S. Ohara, K. Hashida
201120 citations
Semantic Scholar
Synthesis and Characterization of Hybrid Biopolymers of L-lactic Acid and 2-Pyrone-4,6-dicarboxylic Acid
Tsuyoshi Michinobu, M. Bito, Miki Tanimura, Y. Katayama +5 more
201020 citations
Semantic Scholar
Steroid 5α-reductase inhibitory activity of condensed tannins from woody plants
Jie Liu, Ryo Ando, K. Shimizu, K. Hashida +3 more
2008Journal of Wood Science19 citations Open access
Semantic Scholar
Hydrothermolysis of Flavonoids in Relation to Steaming of Japanese Larch Wood
W. Ohmura, S. Ohara, K. Hashida, M. Aoyama +1 more
200219 citations
Semantic Scholar
Efficient extraction of polyphenolics from the bark of tropical tree species.
R. Makino, S. Ohara, K. Hashida
200918 citations
Semantic Scholar
Subcritical Water Extraction of Low-molecular-weight Phenolic Compounds from Oil Palm Biomass
F. Kawamura, Nur Syahirah Saary, R. Hashim, O. Sulaiman +4 more
201417 citations Open access
Semantic Scholar
Improvement of formaldehyde-scavenging ability of condensed tannins by ammonia treatment
K. Hashida, S. Ohara, R. Makino
200617 citations
Semantic Scholar
FORMATION OF A NOVEL CATECHINIC ACID STEREOISOMER FROM BASE-CATALYZED REACTIONS OF (+)-CATECHIN
K. Hashida, S. Ohara
200217 citations
Semantic Scholar
Microbial conversion of glucose to a novel chemical building block, 2-pyrone-4,6-dicarboxylic acid.
M. Nakajima, Y. Nishino, M. Tamura, Kohei Mase +9 more
2009Metabolic Engineering15 citations
Semantic Scholar
Mechanical Properties of Poly( L -Lactide) Films Controlled by Blending with Polyesters of Lignin-Derived Stable Metabolic Intermediate, 2-Pyrone-4,6-Dicarboxylic Acid (PDC)
Tsuyoshi Michinobu, M. Bito, Miki Tanimura, Y. Katayama +5 more
200915 citations
Semantic Scholar
Structure-Activity Relationships of Triterpenoid Saponins on Fruiting Body Induction in Pleurotus ostreatus
Y. Magae, S. Ohara
2006Bioscience, biotechnology and biochemistry15 citations
Semantic Scholar
Upgraded Pellet Making by Torrefaction—Torrefaction of Japanese Wood Pellets
T. Yoshida, T. Nomura, H. Gensai, H. Watada +2 more
201514 citations Open access
Semantic Scholar
Polyfunctional nanometric particles obtained from lignin, a woody biomass resource
K. Shikinaka, N. Fujii, Shun Egashira, Y. Murakami +4 more
201014 citations
Semantic Scholar
Antioxidants from Steamed Used Tea Leaves and Their Reaction Behavior
Kayoko Nomizu, K. Hashida, R. Makino, S. Ohara
2008Bioscience, biotechnology and biochemistry14 citations
Semantic Scholar
2-Pyranone-4,6-dicarboxylic acid as a source of green-plastics and anti-bacterial chemicals
M. Bito, Tsuyoshi Michinobu, Y. Katayama, Y. Otsuka +4 more
200813 citations Open access
Semantic Scholar
3-O-alkyl-D-glucose derivatives induce fruit bodies of Pleurotus ostreatus.
Y. Magae, T. Nishimura, S. Ohara
2005Mycological Research13 citations
Semantic Scholar
Organogels of Lignin-derived Stable Metabolic Intermediate, 2-Pyrone-4,6-dicarboxylic Acid (PDC), Bearing Cholesteryl Groups
Tsuyoshi Michinobu, Kenta Hiraki, N. Fujii, K. Shikinaka +6 more
201010 citations
Semantic Scholar
Evaluation on Antioxidant Activity, Antifungal Activity and Total Phenols of 11 Selected Commercial Malaysian Timber Species
F. Kawamura, N. A. Shaharuddin, O. Sulaiman, R. Hashim +1 more
201010 citations Open access
Semantic Scholar
Thermoplastic Polyesters of 2-Pyrone-4,6-Dicarboxylic Acid (PDC) Obtained from a Metabolic Intermediate of Lignin
K. Shikinaka, Yoshiki Hashimoto, Shinya Kajita, E. Masai +5 more
20139 citations Open access
Semantic Scholar
Synthesis of triterpenoid saponins and their antitermitic activities
W. Ohmura, S. Ohara, A. Kato
19979 citations
Semantic Scholar

Frequent co-authors

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M. Nakamura×18
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M. Nakamura — researcher profile on SciRah
Y. Otsuka×17
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Y. Otsuka — researcher profile on SciRah
E. Masai×16
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E. Masai — researcher profile on SciRah
Y. Katayama×16
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Y. Katayama — researcher profile on SciRah

×15

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K. Shigehara — researcher profile on SciRah

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K. Hashida — researcher profile on SciRah

Tsuyoshi Michinobu×9

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Tsuyoshi Michinobu — researcher profile on SciRah

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R. Makino — researcher profile on SciRah

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F. Kawamura — researcher profile on SciRah

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O. Sulaiman — researcher profile on SciRah

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R. Hashim — researcher profile on SciRah

K. Shikinaka×5

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K. Shikinaka — researcher profile on SciRah