New alkaloids with unusual spermidine moieties from the seeds of Orychophragmus violaceus and their cytoprotective properties
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DOI: 10.1039/c7ra02951a
Abstract: The seeds of the plant Orychophragmus violaceus yielded eight new spermidine alkaloids, termed orychophragmuspine A–H (1–8). Their structures were elucidated by extensive spectroscopic analysis and comparison with literature data. Compounds 1–8 are unusual natural alkaloids… read more here.
Keywords: orychophragmus violaceus; alkaloids unusual; new alkaloids; unusual spermidine ... See more keywords
Chemical constituents from the aerial parts of Orychophragmus violaceus.
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DOI: 10.1080/14786419.2022.2118745
Abstract: A new alkaloid, demethylorychophragine A (1), together with 18 known compounds was isolated from the aerial parts of Orychophragmus violaceus. Structure of the new compound was identified by extensive spectroscopic techniques. 2 and 3 were… read more here.
Keywords: cell; constituents aerial; parts orychophragmus; aerial parts ... See more keywords
First Report of Leaf Blight Caused by Alternaria brassicicola on Orychophragmus violaceus in China
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DOI: 10.1094/pdis-08-18-1458-pdn
Abstract: Orychophragmus violaceus (February orchid) is an annual or perennial cruciferous herbaceous plant that is widely cultivated and used as an ornamental plant or as a green manure in China. In September 2017, a new leaf… read more here.
Keywords: leaf blight; violaceus; orychophragmus violaceus; china ... See more keywords
Effect of Bicarbonate Stress on Carbonic Anhydrase Gene Expressions from Orychophragmus violaceus and Brassica juncea seedlings
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DOI: 10.15244/pjoes/87105
Abstract: Three β-type genes coding for carbonic anhydrase and CA activities from Orychophragmus violaceus L. and Brassica juncea L. leaves in response to NaHCO3-induced bicarbonate stress were examined. Three full-length cDNA CDS sequences were designated as… read more here.
Keywords: orychophragmus violaceus; bicarbonate stress; stress; brassica juncea ... See more keywords
Effects of Foliage Spraying with Sodium Bisulfite on the Photosynthesis of Orychophragmus violaceus
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DOI: 10.3390/horticulturae7060137
Abstract: Sulphurous acid derived from sulfur dioxide (SO2) emission leads to the pollution of irrigation water and the inhibition of plant growth. The safe concentration threshold of NaHSO3 in plants should be clarified to promote agricultural… read more here.
Keywords: rate; foliage spraying; effects foliage; photosynthesis ... See more keywords