4 rezultatus
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
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
The intake of lupin-based foods could imply the exposure of consumers to quinolizidine alkaloids. The objectives of this study were to assess the genetic variation among and within 11 geographic regions of Lupinus albus ecotypes, verify the quinolizidine alkaloids amount of alkaloid-poor L. albus
A novel acyltransferase committed to the final step of quinolizidine alkaloid biosynthesis, tigloyl-CoA:(-)-13alpha-hydroxymultiflorine/(+)-13alpha-hydroxylupanine O-tigloyltransferase, has been purified from Lupinus albus. The internal amino acid sequences were determined with protease-digested