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xanthotoxin/dichloromethane
Povezava se shrani v odložišče
9 rezultatov
The α-amylase and α-glucosidase inhibitory activities of the dichloromethane extracts and constituents of Ferulago bracteata roots.
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Prijava / prijava
BACKGROUND
Ferulago (Apiaceae) species have been used since ancient times for the treatment of intestinal worms, hemorrhoids, and as a tonic, digestive, aphrodisiac, or sedative, as well as in salads or as a spice due to their special odors.
OBJECTIVE
This study reports the α-amylase and
Phytochemical and pharmacological studies on Sideritis taurica Stephan ex Wild.
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Prijava / prijava
Fatty acids (FA), hydrocarbons, alpha-amyrin, stigmasterol and beta-sitosterol were identified in the n-hexane extract of the aerial parts of Sideritis taurica Stephan ex Wild. Xanthotoxin, as well as 2-acetyl-3-hydroxy-5,6,8-trimethoxy-1,4-naphthoquinone were isolated from the methylene chloride
HPLC-NMR/HPLC-MS analysis of the bark extract of Stauranthus perforatus.
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Prijava / prijava
A combination of HPLC-MS and HPLC-NMR techniques has been used to analyse the cytotoxic fractions of the dichloromethane extract of bark of Stauranthus perforatus. Six furanocoumarins (byakangelicol, heraclenin, heraclenol, imperatorin, isopimpinellin and xanthotoxin) and nine quinoline alkaloids
Antimicrobial Activities of Extracts and Isolated Coumarins from the Roots of Four Ferulago Species Growing in Turkey
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Prijava / prijava
Ferulago species have been utilized since ancient times as digestive, sedative, aphrodisiac, along with in salads or as a spice due to their special odors. The study reports isolation and characterization of bioactive compounds of Ferulago pachyloba (F. pachyloba), Ferulago
Isolation of Methoxyfuranocoumarins From Ammi majus by Centrifugal Partition Chromatography.
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Prijava / prijava
Pure methoxyfuranocoumarins were isolated from Ammi majus L. by use of low-pressure column chromatography (LPCC) followed by centrifugal partition chromatography (CPC). The concentrated petroleum ether extract from fruits of A. majus was fractionated on a silica gel column using a gradient of ethyl
Pressurized liquid extraction of coumarins from fruits of Heracleum leskowii with application of solvents with different polarity under increasing temperature.
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Prijava / prijava
Coumarins are nowadays an important group of organic compounds from natural sources that are useful in a number of fields. Because they possess different pharmacological properties, finding the proper extraction conditions for their separation from plant matrices is a very important step. In this
Bioactivity-guided isolation of antimicrobial coumarins from Heracleum mantegazzianum Sommier & Levier (Apiaceae) fruits by high-performance counter-current chromatography.
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Prijava / prijava
An efficient strategy, based on bioassay-guided fractionation, high-performance liquid chromatography (HPLC), and high-performance counter-current chromatography (HPCCC), was established to purify and evaluate the bioactive compounds from the dichloromethane extract of the fruits of Heracleum
Diversity of Secondary Metabolites in Roots from Conium maculatum L
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Prijava / prijava
Conium maculatum is known as highly toxic plant, due to piperidine alkaloids present in the aerial parts. In a first attempt, in various tap root samples, however, alkaloids could not be detected. The present study describes active compounds in the tap roots from 16 populations harvested at
Antiviral effect of compounds derived from Angelica archangelica L. on Herpes simplex virus-1 and Coxsackievirus B3 infections.
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Prijava / prijava
The dichloromethane extract from fruits of Angelica archangelica L. was separated by the modern high-performance countercurrent chromatography (HPCCC). The extract and five pure compounds: xanthotoxin, bergapten, imperatorin, phellopterin and isoimperatorin, and the mixture of imperatorin and
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