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Planta Med 1976; 30(5): 62-67
DOI: 10.1055/s-0028-1097694
© Georg Thieme Verlag Stuttgart · New York

ON THE RATE OF EXTRACTION OF MAGNESIUM1 FROM DRIED PLANTS WITH WATER

R. Piekos, D. Motylska, W. Polewicz, M. Tialowska
  • Institute of Chemistry and Analytics, Faculty of Pharmacy, Medical Academy, 80–416 Gdansk, Poland
1 The term „magnesium” has been used throughout to avoid ambiguity due to various forms of the element occurring in plants.
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Publication Date:
14 January 2009 (online)

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Abstract

The rate and the extent of extraction of magnesium from dried leaves and herbs of 13 medicinal plants have been studied. There was a fairly rapid extraction from both the leaves and the herbs. As much as 92 % of total magnesium was extracted within 10 min from Folium Sennae and 86 % from Folium Farfarae, at 20° C. With herbs the rate ranged from 41 to 63 % within the period indicated. The extent of extraction, arbitrarily defined as the ratio of the quantity of magnesium extracted from 1 g of a material during 24 hr to the total magnesium content in 1 g of the material, exceeded 70 % in 8 out of 13 materials investigated. Except for a few cases, the extraction was practically completed within 30 and 60 min for leaves and herbs, respectively.

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