Occurrence of Naturally Acetylated Lignin Units
نویسندگان
چکیده
منابع مشابه
Identifying acetylated lignin units in non-wood fibers using pyrolysis-gas chromatography/mass spectrometry.
A series of non-wood plant fibers, namely kenaf, jute, sisal and abaca, have been analyzed upon pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) of the whole material. The pyrolysis products mainly arise from the carbohydrate and lignin moieties of the fibers. The lignin-derived phenols belonged to the p-hydroxyphenylpropanoid (H), guaiacylpropanoid (G) and syringylpropanoid (S) struct...
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A survey was carried out to determine fumonisin contamination in 135 common and 40 durum wheat samples collected during 2011 harvest season (non-FHB epidemic year) in the main wheat production area of Argentina using LCeMS/MS. A 93% of total samples showed fumonisin contamination, with levels ranging from 0.16 to 680.44 ng/g in common and from 0.15 to 1304.39 ng/g in durum wheat samples, respec...
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چکیده ندارد.
15 صفحه اولIn Vitro Enzymatic Depolymerization of Lignin with Release of Syringyl, Guaiacyl, and Tricin Units
New environmentally sound technologies are needed to derive valuable compounds from renewable resources. Lignin, an abundant polymer in terrestrial plants comprised predominantly of guaiacyl and syringyl monoaromatic phenylpropanoid units, is a potential natural source of aromatic compounds. In addition, the plant secondary metabolite tricin is a recently discovered and moderately abundant flav...
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Background Lignin is one of major components of plant secondary cell wall. In plant cell wall, it is synthesized via radical coupling of precursors such as p-coumaryl, coniferyl, and sinapyl alcohols. In early stage of the lignification, 8-O-4’, 8-8’ and 8-5’ dimers are thought to be synthesized mainly from the precursors in the wall. A gramnegative bacterium, Shingobium sp. strain SYK-6 (herea...
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ژورنال
عنوان ژورنال: Journal of Agricultural and Food Chemistry
سال: 2007
ISSN: 0021-8561,1520-5118
DOI: 10.1021/jf0705264