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Planta Med 1976; 29(1): 72-79
DOI: 10.1055/s-0028-1097631
© Georg Thieme Verlag Stuttgart · New York

STUDIES ON THE OPTIMUM CONDITIONS OF EXTRACTION OF SILICON SPECIES FROM PLANTS WITH WATER – II. Carduus acanthoides1

 Paslawska, R. Piekoš
  • Institute of Chemistry and Analytics, Vacuity of Pharmacy, Medical Academy, 80–416 Gdansk, Poland
1 Part I: PIEKOŚ R. and PASLAWSKA, S., this Journal 27, 145 (1975).
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Publication Date:
13 January 2009 (online)

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STUDIES ON THE OPTIMUM CONDITIONS OF EXTRACTION OF SILICON SPECIES FROM PLANTS WITH WATER – III.1 On the Stability of Silicon Species in Extracts from Equisetum arvense HerbPlanta Med 1976; 29(04): 351-356
DOI: 10.1055/s-0028-1097675

See also:

STUDIES ON THE OPTIMUM CONDITIONS OF EXTRACTION OF SILICON SPECIES FROM PLANTS WITH WATER – I. Equisetum arvense L. HerbPlanta Med 1975; 27(02): 145-150
DOI: 10.1055/s-0028-1097776

Abstract

The silicon level has been determined in various organs of Carduus acanthoides L., Cirsium arvense (L.) Scop, and Cirsium palustre (L.) Scop. (Family Compositae). Of the plants studied, C. acanthoides turned out to be richest in silicon. Accordingly, optimum conditions have been established for the extraction of molybdate-reactive silicon species from its leaves using both dry and fresh material. The balance of silicon has been made, as well, and a relationship has been derived for the quantitative characterisation of the extraction. It is concluded that C. acanthoides may provide a cheap and easily accessible source of assimilable silicon.