Alkaloid Distribution in Seeds of Argemone mexicana L. (Papaveraceae)
Abstract Seeds of Argemone mexicana L. accumulate significative amounts of sanguinarine. The analysis of the distribution of this alkaloid through the tissues of mature seeds revealed that up to 60 % of its contents was found tightly fixed to the different components of the seed external covers where it persisted during seedling germination. Contrastingly, sanguinarine contents in cotyledon accounted for the remaining 40 % and it could have been, at least partially, mobilized to the newly formed hypocotyls during emergence from seeds. Berberine was only detected in immature seeds and in seedlings once cotyledons were totally displayed. These results are discussed as a possible sanguinarine role in the chemical protection during seedlings germination.
Main Authors: | Loza-Muller,Lloyd JA, Laines-Hidalgo,José Ignacio, Monforte-González,Miriam, Vázquez-Flota,Felipe |
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Format: | Digital revista |
Language: | English |
Published: |
Sociedad Química de México A.C.
2021
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Online Access: | http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1870-249X2021000400501 |
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