Furanocoumarin concentrations in fruits and seeds of Angelica archangelica

Fruits and seeds of Angelica archangelica harvested in 1988 and 1989 were analyzed for three linear furanocoumarins: psoralen, xanthotoxin and bergapten. Bergapten predominated on the surface and within the fruits and seeds, but all three were present only in low concentrations on the fruit surface....

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Bibliographic Details
Published in:Environmental and experimental botany 1991, Vol.31 (4), p.447-452
Main Authors: Zobel, Alicja M., Brown, Stewart A.
Format: Article
Language:English
Subjects:
Angelica archangelica
bergapten
Biological and medical sciences
Chemical constitution
coumarins
fruits
Fundamental and applied biological sciences. Psychology
methoxsalen
Plant physiology and development
psoralen
seeds
spatial distribution
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Summary:Fruits and seeds of Angelica archangelica harvested in 1988 and 1989 were analyzed for three linear furanocoumarins: psoralen, xanthotoxin and bergapten. Bergapten predominated on the surface and within the fruits and seeds, but all three were present only in low concentrations on the fruit surface. Differences in the bergapten concentrations largely accounted for the differences in total concentrations of furanocoumarins. Total concentrations were lower in 1989, when the fruits were larger and showed a greater range of seed weight. Flat seeds contained 35 times the concentrations found in turgid seeds, suggesting that the size of the embryo, and thus its maturity, are inversely correlated with concentrations of these furanocoumarins. Fruits lacking embryos had very low concentrations. Fruit tissues always had smaller amounts than the seeds within, and smaller even than deposits on the seed surface.
ISSN:0098-8472
1873-7307
DOI:10.1016/0098-8472(91)90043-N