TY - JOUR
T1 - Alkaloid variation during germination in different lupin species
AU - De Cortes Sánchez, María
AU - Altares, Pilar
AU - Pedrosa, Mercedes M.
AU - Burbano, Carmen
AU - Cuadrado, Carmen
AU - Goyoaga, Carmen
AU - Muzquiz, Mercedes
AU - Jiménez-Martínez, Cristian
AU - Dávila-Ortiz, Gloria
N1 - Funding Information:
The authors gratefully acknowledge the “Estación de Ensayo de Semillas y Plantas de Vivero” (INIA, Madrid, Spain) for the collaboration in the germination of the seeds; the “Instituto Politécnico Nacional” (Mexico DF, Mexico), INIA (Madrid, Spain) and CYTED Programme for the opportunity to work together in this project. Cristian Jiménez-Martı́nez acknowledges a fellowship from CONACYT and financial support from CYTED for a research stay in Spain.
PY - 2005/5
Y1 - 2005/5
N2 - Quinolizidine alkaloids, occurring in lupins, are the largest single group of legume alkaloids with clear ecological functions in the defence of the plant. During germination, some degree of transformation of alkaloids to other more bioactive compounds, such as esters, occurs. The aim of this work was to investigate the transformations of alkaloids during germination, in Lupinus albus, L. angustifolius and L. campestris. Total quinolizidine alkaloid contents in raw seeds were 1.51 g/100 g (L. angustifolius), 2.36 g/100 g (L. albus) and 2.45 g/100 g (L. campestris). During germination in L. albus, lupanine increased and albine and 13-hydroxylupanine decreased substantially. In L. angustifolius, 13-hydroxylupanine also decreased. In L. campestris, hydroxyaphylline and hydroxyaphyllidine increased while epihydroxyaphylline and dehydroepihydroxyaphylline decreased. The ester 13-tigloyloxylupanine increased progressively during the germination of L. angustifolius (from 0 to 0.044 g/100 g) and L. albus (from 0.001 to 0.022 g/100 g). Germination of lupin seeds for 3 days, maximum, could be desirable in order to minimize the presence of alkaloids, as well as to avoid the formation of the quinolizidine alkaloid esters.
AB - Quinolizidine alkaloids, occurring in lupins, are the largest single group of legume alkaloids with clear ecological functions in the defence of the plant. During germination, some degree of transformation of alkaloids to other more bioactive compounds, such as esters, occurs. The aim of this work was to investigate the transformations of alkaloids during germination, in Lupinus albus, L. angustifolius and L. campestris. Total quinolizidine alkaloid contents in raw seeds were 1.51 g/100 g (L. angustifolius), 2.36 g/100 g (L. albus) and 2.45 g/100 g (L. campestris). During germination in L. albus, lupanine increased and albine and 13-hydroxylupanine decreased substantially. In L. angustifolius, 13-hydroxylupanine also decreased. In L. campestris, hydroxyaphylline and hydroxyaphyllidine increased while epihydroxyaphylline and dehydroepihydroxyaphylline decreased. The ester 13-tigloyloxylupanine increased progressively during the germination of L. angustifolius (from 0 to 0.044 g/100 g) and L. albus (from 0.001 to 0.022 g/100 g). Germination of lupin seeds for 3 days, maximum, could be desirable in order to minimize the presence of alkaloids, as well as to avoid the formation of the quinolizidine alkaloid esters.
KW - Alkaloids
KW - Germination
KW - Lupinus
UR - http://www.scopus.com/inward/record.url?scp=5444255094&partnerID=8YFLogxK
U2 - 10.1016/j.foodchem.2004.04.008
DO - 10.1016/j.foodchem.2004.04.008
M3 - Artículo
SN - 0308-8146
VL - 90
SP - 347
EP - 355
JO - Food Chemistry
JF - Food Chemistry
IS - 3
ER -