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The purpose of this study was to show relationships among the levels of essential metals (zinc, iron, sodium, magnesium, calcium and potassium) and phenolic acids (caffeic, chlorogenic, ferulic, gallic, rosmarinic and syringic) in commercial herbs (lemon balm, thyme, rosemary, mint, sage and angelica) and spices (caraway, lovage, hyssop and oregano). In the herbs higher quantities of metals and phenolic...
Determinations of total phosphorus, its extractable inorganic form and selected essential elements (Ca, Mg, Na, K, Fe, Zn, Mn, Cu) in 27 leaves of medicinal plants supplied from the Polish herbal enterprise – Herbapol, were carried out. After the microwave digestion of plant samples, the total phosphorus was determined spectrophotometrically, using the phosphomolybdenum blue method, whereas contents...
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