homolycorine/lycoris

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Simultaneous electrochemiluminescence determination of galanthamine, homolycorine, lycorenine, and tazettine in Lycoris radiata by capillary electrophoresis with ultrasonic-assisted extraction.

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Prijava / prijava

After ultrasonic-assisted extraction, four lycoris radiata alkaloids: galanthamine, homolycorine, lycorenine, and tazettine were determined by capillary electrophoresis electrochemiluminescence. Polyvinylpyrrolidone was added to the running buffer (RB) to obtain better resolution. Experimental

[Alkaloids from bulbs of Lycoris radiata].

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Prijava / prijava

Ten Amaryllidaceae alkaloids were isolated from the bulbs of Lycoris radiata. Their structures were identified as oxovittatine (1), apohaemanthamine (2), 9-O-demethylhomolycorine N-oxide (3), incartine (4), ismine (5), 6-O-methylpretazettine (6), tazettine (7), ungeremine (8), homolycorine (9), and

A new Amaryllidaceae alkaloid from the bulbs of Lycoris radiata.

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Prijava / prijava

OBJECTIVE To study the Amaryllidaceae alkaloids of the bulbs of Lycoris radiata. METHODS The chemical constituents were isolated and purified by various chromatographic techniques, and the chemical structures were elucidated on the basis of spectroscopic methods. In addition, the antiviral

Amaryllidaceae alkaloids from the bulbs of Lycoris radiata with cytotoxic and anti-inflammatory activities.

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Four new Amaryllidaceae alkaloids, (+)-1-hydroxy-ungeremine (1), (+)-6β-acetyl-8-hydroxy-9-methoxy-crinamine (2), (+)-2-hydroxy-8-demethyl-homolycorine-α-N-oxide (3), (+)-N-methoxylcarbonyl-2-demethyl-isocorydione (4), together with two known compounds, (+)-6β-acetyl-crinamine (5) and

Alkaloids from Lycoris aurea and their cytotoxicities against the head and neck squamous cell carcinoma.

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Phytochemical investigation of the 80% EtOH extract of the bulbs of Lycoris aurea led to the isolation of six new alkaloids, 2-demethyl-isocorydione (1), 8-demethyl-dehydrocrebanine (2), 1-hydroxy-anhydrolycorin-7-one (3), (+)-1,2-dihydroxy-anhydrolycorine N-oxide (4),

Cytotoxic and antimalarial amaryllidaceae alkaloids from the bulbs of Lycoris radiata.

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Phytochemical investigation of the 80% ethanol extract of the bulbs of Lycoris radiata resulted in the isolation of five new Amaryllidaceae alkaloids: (+)-5,6-dehydrolycorine (1), (+)-3α,6β-diacetyl-bulbispermine (2), (+)-3α-hydroxy-6β-acetyl- bulbispermine (3),

Extracts of Lycoris aurea induce apoptosis in murine sarcoma S180 cells.

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Lycoris species have been known since long ago as a multi-utility ethnomedicinal herbal in China. It has been reported to exhibit a number of properties such as anticancer, neuroprotective, and antibacterial activities. In the present study, the anticancer efficacy of dichloromethane extracts of

Analysis of bioactive Amaryllidaceae alkaloid profiles in Lycoris species by GC-MS.

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Prijava / prijava

The genus Lycoris, a group of Amaryllidaceae plants distributed in temperate regions of Eastern Asia, is already known for containing representative alkaloids typical of this botanical family with a wide range of biological activities (for example, lycorine and galanthamine). In the present work,

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