jesaconitine/aconitum

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Sensitive analysis of aconitine, hypaconitine, mesaconitine and jesaconitine in human body fluids and Aconitum tubers by LC/ESI-TOF-MS.

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The Aconitum species (Ranunculaceae) are widely distributed in northern Asia and North America. Their roots are popularly used in herbal medicines in China and Japan. Many cases of accidental, suicidal and homicidal intoxication with this plant have been reported; some of these were fatal because

Studies on the constituents of Aconitum species. XII. Syntheses of jesaconitine derivatives and their analgesic and toxic activities.

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The role of the substituents at C3 and C8 of jesaconitine (1) on jesaconitine-induced analgesia and toxicity was examined. 3-O-Acetyljesaconitine (2), 3-O-anisoyljesaconitine (3), and 3-deoxyjesaconitine (6) showed dose-dependent analgesic action, and the potency of their compound-induced analgesia

Determination of Aconitum alkaloids in the tubers of Aconitum japonicum using gas chromatography/selected ion monitoring.

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A rapid, specific and precise method using GC/SIM was applied to separate and quantify Aconitum alkaloids in Aconitum tubers. The TMS derivatives of each alkaloid produced a well defined peak on selected ion recording (SIR). Good linear response over the range of 100 pg - 7.5 ng was demonstrated for

Ecological, phylogenetical, and pharmacognostical characteristics of Aconitum kiyomiense endemic to Hida highlands, Takayama city, Gifu Prefecture, Japan.

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Aconitum kiyomiense Kadota (Ranunculaceae) is endemic to Takayama city, Gifu Prefecture, central Japan. We collected specimens from marshes and flood plains at altitudes ranging from 852 to 1085 m and from a new habitat consisting of a mesic meadow in the subalpine belt (1681 m). Glabrous pedicels

[Aconitine analogues in wild Aconitum plants: contents toxicity to mice and decrease by boiling].

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Simultaneous determination of four aconitine analogues (ACs) (AC; aconitine, HA; hypaconitine, JA; jesaconitine, MA; mesaconitine) in leaves and roots of wild Aconitum plants (Aconitum japonicum THUNBERG, Aconitum okuyamae Nakai) was carried out to elucidate the relation between toxicity to mice and

A column-switching LC/MS/ESI method for detecting tetrodotoxin and Aconitum alkaloids in serum.

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A liquid chromatography-mass spectrometry-electrospray ionization (LC/MS/ESI) method coupled with a column-switching technique has been developed for the determination of tetrodotoxin (TTX) and Aconitum alkaloids and their metabolites, such as aconitine, mesaconitine, hypaconitine, jesaconitine,

Determination of Aconitum alkaloids in blood and urine samples. I. High-performance liquid chromatographic separation, solid-phase extraction and mass spectrometric confirmation.

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Determination of four toxic Aconitum alkaloids, aconitine, mesaconitine, hypaconitine and jesaconitine, in blood and urine samples has been established using high-performance liquid chromatography (HPLC) combined with ultraviolet absorbance detection, solid-phase extraction and mass spectrometry

Distribution of Aconitum alkaloids in autopsy cases of aconite poisoning.

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Aconite is a well-known toxic-plant containing Aconitum alkaloids such as aconitines, benzoylaconines, and aconins. We describe here the distribution of Aconitum alkaloids detected by liquid chromatography-tandem mass spectrometry (LC/MS/MS) in three autopsy cases of suicide by aconite poisoning.

Distribution of Aconitum alkaloids in body fluids and tissues in a suicidal case of aconite ingestion.

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A case involving a suicidal ingestion of Aconitum tubers is presented. A 40-year-old woman in Hokkaido, Japan ingested ground aconite and died of aconite intoxication about 4 h after ingestion. The Aconitum alkaloids were quantitated using gas chromatography-selected ion monitoring from extracts of

Determination of Aconitum alkaloids in blood and urine samples. II. Capillary liquid chromatographic-frit fast atom bombardment mass spectrometric analysis.

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Determination of fourteen alkaloids, toxic Aconitum alkaloids, aconitine, mesaconitine, jesaconitine, hypaconitine and deoxyaconitine, and their hydrolysis products, benzoylaconines and aconines, have been established using capillary liquid chromatography (LC) fast atom bombardment mass spectrometry

The relationship between growth of the aerial part and alkaloid content variation in cultivated Aconitum carmichaeli Debeaux.

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Processed root of aconite, Aconitum carmichaeli Debeaux--known as bushi in Japan--is indispensable for treating diseases among elderly persons in Japanese and Chinese traditional medicine. Its active component is bushi diester alkaloid (BDA), which consists of aconitine (ACO), mesaconitine (MES),

Simultaneous determination of 11 aconitum alkaloids in human serum and urine using liquid chromatography-tandem mass spectrometry.

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A liquid chromatography-tandem mass spectrometry method was developed and validated for simultaneous determination of four aconitines (aconitine, mesaconitine, hypaconitine, jesaconitine) and seven of their hydrolysis products (benzoylmesaconine, benzoylhypaconine, 14-O-anisoylaconine,

[Simultaneous determination of aconitine analogues in Aconitum plants and foods that caused food poisoning by liquid chromatography with tandem mass spectrometry].

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A simple method for the simultaneous determination of four aconitine analogues (AC; aconitine, HA; hypaconitine, MA; mesaconitine, JA; jesaconitine) in Aconitum plants (Aconitum subcuneatum NAKAI) and a food that caused food poisoning was developed, using liquid chromatography tandem mass

Studies on the constituents of Aconitum species. IX. The pharmacological properties of pyro-type aconitine alkaloids, components of processed aconite powder 'kako-bushi-matsu': analgesic, antiinflammatory and acute toxic activities.

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Eight pyro-type aconitine alkaloids contained in the processed aconite powder 'Kako-bushi-matsu' were studied for their analgesic, antiinflammatory and acute toxic actions. All these compounds showed significant analgesic and antiinflammatory actions. Among the pyro-type alkaloids,

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