Hydroxystilbenes Are Monomers in Palm Fruit Endocarp Lignins
نویسندگان
چکیده
منابع مشابه
Hydroxystilbenes Are Monomers in Palm Fruit Endocarp Lignins.
Lignin, the plant cell wall polymer that binds fibers together but makes processing difficult, is traditionally formed from three monomers, the so-called monolignols (p-coumaryl, coniferyl, and sinapyl alcohols). Recently, we discovered, in grass lignins, a phenolic monomer that falls outside the canonical lignin biosynthetic pathway, the flavone tricin. As we show here, palm fruit (macaúba [Ac...
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The accepted derivation of lignins from non(enzymatically)-controlled radical coupling reactions has been recently challenged, and it is relevant to ascertain unequivocally whether lignins are or are not (as normally assumed) optically active. Two approaches were used. First, DFRC (derivatization followed by reductive cleavage) dimers derived from beta-5- and beta-beta-units in pine lignins, wh...
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The centre of origin of the oil palm is the tropical rain forest region of West Africa. It is considered to be the 200-300 kilometre wide coastal belt between Liberia and Mayumbe. The oil palm tree has remained the 'tree of life' of Yoruba land as well as of other parts of southern West Africa to which it is indigenous. The Yoruba are adept at spinning philosophical and poetical proverbs around...
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Maria Laura Giuffrida,1 Filippo Caraci,1 Bruno Pignataro,2 Sebastiano Cataldo,2 Paolo De Bona,3 Valeria Bruno,4,5 Gemma Molinaro,5 Giuseppe Pappalardo,6 Angela Messina,7 Angelo Palmigiano,7 Domenico Garozzo,7 Ferdinando Nicoletti,4,5 Enrico Rizzarelli,3,8 and Agata Copani1,6 1Department of Pharmaceutical Sciences, University of Catania, Catania 95125, Italy, 2Department of Physical-Chemistry, U...
متن کاملAntioxidant properties of palm fruit extracts.
Phenolic compounds have been shown to exhibit bioactive properties, and in particular antioxidant effects. A phenolic-rich fraction has been isolated from the aqueous by-product obtained during the milling of oil palm fruits. The objectives of the study were to determine the phenolic content of the crude and ethanolic extracts of oil palm fruits and to evaluate the antioxidant properties of the...
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ژورنال
عنوان ژورنال: Plant Physiology
سال: 2017
ISSN: 0032-0889,1532-2548
DOI: 10.1104/pp.17.00362