ナンキンマメ (Arachis hypogaea L.) リグニンのシリンガアルデヒドとバニリンの量比 (S/V値)について
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Alcohol-benzene and hot water soluble matters, lignin and methoxyl contents were determined about the pod-shell, stem, root and leaves of peanut (Arachis hypogaea L.). Molar ratios of syringaldehyde to vanillin (S/V value), which were obtained by alkaline nitrobenzene oxidation and determined by gas-liquid chromatography, were 0.00, 0.31, 0.32 and 0.39 for pod-shell, stem, leaves and root, in order. These lower values from peanut which is classified as Dicotyledonae are very interesting on the viewpoint of chemotaxonomy. The S/V value of peanuts lignin was similar to that from Gynanospermae. The value, 0.03, was also obtained from the stem of Chloranthus glaber Makino.