RP-HPLC analysis of seco-iridoid glycoside swertiamarin from differentSwertiaspecies
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چکیده
منابع مشابه
The seco-iridoid pathway from Catharanthus roseus
The (seco)iridoids and their derivatives, the monoterpenoid indole alkaloids (MIAs), form two large families of plant-derived bioactive compounds with a wide spectrum of high-value pharmacological and insect-repellent activities. Vinblastine and vincristine, MIAs used as anticancer drugs, are produced by Catharanthus roseus in extremely low levels, leading to high market prices and poor availab...
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While this Article was undergoing peer review, Salim et al. (2013), Asada et al. (2013) and Salim et al. (2014) published individual steps of the (seco)iridoid biosynthesis pathway in Catharanthus roseus, including the molecular and biochemical characterization of 7-deoxyloganic acid hydroxylase, 7-deoxyloganetic acid glucosyl transferase and 7-deoxyloganetic acid synthase, which are in agreeme...
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For determination of selected carotenoids, various types of columns for high-performance liquid chromatography (HPLC) with different properties have been used. The characteristics of the laboratory-used packing material containing monomeric alkyl-bonded phases (C18, C30) and phenyl as well as phenyl-hexyl stationary phases were studied. The retention data of the examined compounds were used to ...
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A reverse phase high performance liquid chromatography method was developed for the simultaneous estimation of aspirin and clopidogrel bisulphate in formulation. The separation was achieved by octadecyl column (C 18 ) and acetonitrile:methanol:20 mM phosphate buffer at pH 3 (50:7:43 v/v) as eluent, at a fl ow rate of 1 ml/min. Detection was carried out at 240 nm. Quantitation was done by extern...
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One new iridoid glycoside and five known flavonol glycosides have been isolated from the leaves of Morinda citrifolia. The new iridoid exists as an epimeric mixture in solution. Complete assignments of the proton and carbon chemical shifts for the individual epimers were accomplished on the basis of high-resolution 1D and 2D NMR data. Their antioxidative activities were measured. All of these c...
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ژورنال
عنوان ژورنال: Natural Product Research
سال: 2015
ISSN: 1478-6419,1478-6427
DOI: 10.1080/14786419.2015.1071366