Subcritical Water Extraction of Low-molecular-weight Phenolic Compounds from Oil Palm Biomass
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概要
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Subcritical water extraction of low-molecular-weight phenolic compounds from oil palm biomass (trunk, bark, petiole, rachis, leaves, empty fruit bunch fiber, midrib spine leaflets, stalk of fruit bunches, flesh, kernel shells, and albumen) was conducted. It was elucidated that gallic acid, protocatechuicaldehyde, p-hydroxybenzoic acid, p-hydroxybenzaldehyde, vanillic acid, syringic acid, vanillin, syringaldehyde p-coumaric acid and ferulic acid, all of which could be used as 2-pyrone-4,6-dicarboxylic acid (PDC) precursors, were contained in all parts of oil palm, although their composition differed. The peak yield of p-hydroxybenzoic acid was obtained among the PDC precursors. With regard to extraction conditions, temperature: 200°C, time: 20-60 min, and liquor ratio: 50-125 were the most efficient. The kernel shell exhibited the highest yield of PDC precursors, followed by the trunk, empty fruit bunch fiber, and bark. The results of our study indicate the oil palm is a potentially valuable source of PDC precursors.
- 独立行政法人 国際農林水産業研究センターの論文
著者
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Hashida Koh
Department Of Biomass Chemistry Forestry And Forest Products Research Institute
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Otsuka Yuichiro
Department Of Gastroenterology Chikushi Hospital Fukuoka University
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Kawamura Fumio
Department Of Anesthesiology Saiseikai Utsunomiya Hospital
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Nakamura Masaya
Department Of Applied Microbiology Forestry And Forest Products Research Institute
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HASHIM Rokiah
Division of Bio-resource, Paper and Coatings Technology, School of Industrial Technology, Universiti Sains Malaysia
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SULAIMAN Othman
Division of Bio-resource, Paper and Coatings Technology, School of Industrial Technology, Universiti Sains Malaysia
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SULAIMAN Othman
Division of Bio-resource, Paper and Coatings Technology, School of Industrial Technology, Universiti Sains Malaysia (USM)
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SAARY Nur
Division of Bio-resource, Paper and Coatings Technology, School of Industrial Technology, Universiti Sains Malaysia (USM)
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OHARA Seiji
FFPRI Fellow
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HASHIM Rokiah
Division of Bio-resource, Paper and Coatings Technology, School of Industrial Technology, Universiti Sains Malaysia (USM)
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OTSUKA Yuichiro
Department of Biomass Chemistry, Forestry and Forest Products Research Institute (FFPRI)
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