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Heracleum mantegazzianum growth phases and furocoumarin content
Author(s) -
Pira E.,
Romano C.,
Sulotto F.,
Pavan I.,
Monaco E.
Publication year - 1989
Publication title -
contact dermatitis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.524
H-Index - 96
eISSN - 1600-0536
pISSN - 0105-1873
DOI - 10.1111/j.1600-0536.1989.tb04747.x
Subject(s) - furocoumarin , furocoumarins , psoralen , bergapten , botany , horticulture , biology , chemistry , dna , photochemistry , genetics
The observation of Photocontact dermatitis from Heracleum matantegazzianion Sommier et Levier in 2 gardeners at work prompted the analysisi of furocoumarin content of stem. Leaves and fruits of the plant during a period of I year. Their concentration was found to be maximal in fruit, intermediate in leaf, and minimal in stem. Psoralen was the most prevalent substance in the leaf and bergapten in the fruit in the stem, in contrast, individual furocoumarins were found in lower bu t variable concentrations. 3 furocoumarin seasonal peaks were observed in the leaf: the maximal peak occurred in June, the intermediate in August, the minimal in November. This trend corresponds to 3 biological phases of the weed