13 hydroxylupanine/mlupini

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Enzymatic synthesis of quinolizidine alkaloid esters: a tigloyl-CoA: 13-hydroxylupanine O-tigloyltransferase from Lupinus albus L.

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Ingia / Ingia

A tigloyl-CoA: 13-hydroxylupanine O-tigloyl-transferase could be demonstrated in crude enzyme preparations from Lupinus albus seedlings. The enzyme activity increases concomitantly with for formation of 13-tigloyloxylupanine in developing lupin seedlings. The transferase catalyzes specifically the

Alkaloid profile of leaves and seeds of Lupinus hintonii C. P. Smith.

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Ingia / Ingia

L. hintonii C. P. Smith grows in the Central Highland forests of Mexico at altitudes between 2800 m to 3200 m above see level. Members of the genus Lupinus produce quinolizidine alkaloids as main chemical defensive compounds against herbivores. Surprisingly alkaloid profiles are rather constant

New ester alkaloids from lupins (genus lupinus).

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Ingia / Ingia

Esters of 13-hydroxylupanine and 4-hydroxylupanine with acetic, propionic, butyric, isobutyric, valeric, isovaleric, tiglic, benzoic, and TRANS-cinnamic acid have been synthesized and characterized by capillary gas-liquid chromatography and mass spectrometry (EI-MS, CI-MS). In LUPINUS POLYPHYLLUS,

Acute toxicity of the major alkaloids of cultivated Lupinus angustifolius seed to rats.

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Ingia / Ingia

The seed of modern cultivars of Lupinus angustifolius normally contain less than 0.03% alkaloids. The acute oral LD50 to rats of a pro rata mixture of the alkaloids of L. angustifolius seed was found to be 2279 mg/kg. For lupanine the LD50 by oral administration was 1464 mg/kg and by intraperitoneal

Rapid and Simultaneous Quantification of Five Quinolizidine Alkaloids in Lupinus angustifolius L. and Its Processed Foods by UPLC-MS/MS

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Ingia / Ingia

Quinolizidine alkaloids (QAs) are toxic secondary metabolites of Lupinus plants. This study reports the simultaneous quantification of five alkaloids from Lupinus angustifolius L. and its processed foods by ultraperformance liquid chromatography with electrospray ionization mass

Capillary gas chromatography of lupin alkaloids.

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Ingia / Ingia

The resolution and identification of twelve lupin alkaloids are demonstrated using capillary gas chromatography and gas chromatography-mass spectrometry. The quantitative capabilities of capillary gas chromatography are illustrated by specific reference to the four major alkaloids of lupinus

Quinolizidine alkaloids from plants and their cell suspension cultures.

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Ingia / Ingia

The alkaloid composition of cell suspension cultures and differentiated plants of Lupinus polyphyllus was evaluated using quartz capillary gas-liquid chromatography, GLC-MS and FD-MS. Lupanine (97% of total alkaloids), sparteine, 13-angeloyloxylupanine and 13-tigloyloxylupanine were detected in

Synthesis, transport and accumulation of quinolizidine alkaloids in Lupinus albus L. and L. angustifolius L.

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Ingia / Ingia

Each of the principal quinolizidine alkaloids (QA) found in both xylem and phloem exudates together with extracts from all component organs collected from bitter (cv. Lupini) and sweet (cv. Ultra) cultivars of Lupinus albus L. were quantified by gas chromatographic analyses throughout reproductive

Accumulation of quinolizidine alkaloids in plants and cell suspension cultures: genera lupinus, cytisus, baptisia, genista, laburnum, and sophora.

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Ingia / Ingia

The patterns of quinolizidine alkaloids in cell cultures of 10 species of Fabaceae were analyzed by high-resolution GLC and GLC-MS and compared with the alkaloids present in the leaves of the respective plants. Lupanine was produced in all 10 cell suspension cultures as the main alkaloid. It was

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