Distribution of extracts including 4,8-dihydroxy-5-methoxy-2-naphthaldehyde in Diospyros kaki analyzed by gas chromatography-mass spectrometry and time-of-flight secondary ion mass spectrometry
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Yasuyuki Matsushita
, In-Cheol Jang
Abstract
The distribution of ethyl acetate extracts and 4,8-dihydroxy-5-methoxy-2-naphthaldehyde (compound I), which is a major constituent of the extracts obtained from the blackened heartwood of Diospyros kaki, was analyzed via gas chromatography-mass spectrometry (GC-MS) and time-of-flight secondary ion mass spectrometry (ToF-SIMS). According to GC-MS, the extracts and compound I are high in concentration at the pith and at the edges of the blackened heartwood. ToF-SIMS analysis revealed a peak at a mass-to-charge ratio of (m/z) 218, which is characteristic of the ionic form of compound I. The ToF-SIMS imaging of compound I in the blackened heartwood based on m/z 218 shows that compound I is located in parenchyma cells and their neighboring axial elements.
©2012 by Walter de Gruyter Berlin Boston
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- Distribution of extracts including 4,8-dihydroxy-5-methoxy-2-naphthaldehyde in Diospyros kaki analyzed by gas chromatography-mass spectrometry and time-of-flight secondary ion mass spectrometry
- Southern pine impregnated with silicate solution containing cellulose nanofibrils
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Articles in the same Issue
- Masthead
- Masthead
- Original Papers
- Anthraquinone polymer catalysts for alkaline delignification of lignocellulosic matter. Part 1. Syntheses and characterizations
- Anthraquinone polymer catalysts for alkaline delignification of lignocellulosic matter. Part 2. Action in soda pulping conditions on softwood and phenolic β-O-4 lignin models
- Anthraquinone polymer catalysts for alkaline delignification of lignocellulosic matter. Part 3. Delignification of softwood and action on a phenolic β-O-4 lignin model in kraft pulping conditions
- Analysis of fibre deformation processes in high-consistency refining based on Raman microscopy and X-ray diffraction
- Distribution of wood polymers within the cell wall of transgenic aspen imaged by Raman microscopy
- Chemical improvement of surfaces. Part 2: Permanent hydrophobization of wood by covalently bonded fluoroorganyl substituents
- Testing of the superhydrophobicity of a zinc oxide nanorod array coating on wood surface prepared by hydrothermal treatment
- Properties of molding plates made with albizia wood particles impregnated with alcohol-soluble PF resins prepared from phenol-liquefied lignins
- Within-ring movement of free water in dehydrating Norway spruce sapwood visualized by neutron radiography
- Influence of hygromechanical history on the longitudinal mechanosorptive creep of wood
- Effects of systematic variation of wood adherend bending stiffness on fracture properties: Part 1. Influence of grain angle
- Effects of systematic variation of wood adherend bending stiffness on fracture properties. Part 2. Revisiting traditional DCB analysis methods
- Determination of adhesive energy at the wood cell-wall/UF interface by nanoindentation (NI)
- Short Notes
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- Southern pine impregnated with silicate solution containing cellulose nanofibrils
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