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Tytuł oryginału: Comparison of calcium, magnesium, potassium and sodium contents of Ginko biloba L. leaves from Hungary.
Tytuł polski: Porównanie zawartości wapnia, magnezu, potasu i sodu w liściach Ginko biloba L. pochodzących z Węgier.
Autorzy: Stefanovits-Banyai E., Bert‚nyi-Divinyi Zs., Kiss A. S., Blazovics A., Koczka N.
Źródło: J. Elem. 2002: 7 (1) s.49-56, il., bibliogr. s. 55, sum.
Sygnatura GBL: 313,195

Typ dokumentu:
  • praca doświadczalna
  • tytuł obcojęzyczny

    Streszczenie angielskie: The aim of our preliminary investigations was to determine the Caý+, Mgý+, Na+, K+ cation contents by ICP, cation rates and the magnesium coefficients (z) of ginkgo leaves (Ginkgo biloba L.). Our studies were carried out on ginkgo leaves collected from male and female trees at different times from two Botanical Gardens in Budapest and from Szeged in Hungary. Our results showed that the magnesium, calcium, sodium and potassium contents were always higher in the male samples than in female ones, ecxept one when the calcium content was lower in the male samples originated from Szeged. We have detected the highest ptoassium content in the Szeged samples because of salting for preventing icing in the town. We have found that the magnesium content of leaves was high and increased in the same way during the experimental time independently of the growing sites and the sexes of trees (in May about 3000 ćg/g and in September 5000-6000 ćg/g). The magnesium coefficients were increased from May to September, in May were around 0,08 and in September from 0,08 to 0,14. According to "z" coefficients the Ginkgo biloba trees are not a magnesium sensitive plants but we have fund more information about the plant using as therapeutic agent in modern pharmacology.

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