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Buxus sempervirens (L.) is an evergreen shrub often used in urban plantings intended for forming the trimmed hedges, as well as for creating geometrical shapes. Its decorative qualities are often diminished by the effects of pathogens colonizing the roots, shoots and leaves. The study was conducted in three consecutive growing seasons. The experimental material originated from a nursery located in...
Allium jesdianum Boiss. & Buhse (Yazdi onion) belonging the family Alliaceae, is an endemic species of Iran that grows wild in the Zagros Mountains range, southwestern Iran. The indigenous people of Iran use the leaves and bulbs of A. jesdianum for the treatment of colds and kidney problems. The bulbs and leaves of various populations of the plant were collected from the alpine regions in Chaharmahal...
The leaves of Camellia sinensis (L.) Kuntze are used to produce many types of tea; this variety results from the production process. The extracts, especially from teas rich in polyphenols, are also used in the prevention and treatment of certain diseases, in addition to their application for consumption. The aim of the study was to compare the antioxidant activity and total phenolic content in extracts...
ntroduction: Powder extracts from white mulberry leaves (Morus alba L.) are desirable due to their simplicity of use. Powders intended for use in food and dietary supplements can be obtained by various methods, including water extraction and spray drying. Objective: The aim of the work was to optimize the aqueous process of extraction of white mulberry leaves and characterization of bioactive properties...
Four preparations of crude polysaccharides were obtained from Cedrela sinensis using four methods of extraction, and finally precipitation with ethanol. Hot-water and processes assisted by ultrasound and enzymes (Shearzyme or Viscozyme) were carried out. The yield of polysaccharide fraction extracted with the enzyme-assisted method using Shearzyme (P-EAS) was the highest at 10.53%. All crude saccharides...
The leaves of mini kiwi (Actinidia arguta) are a rich source of phenolic compounds, in particular the B-type procyanidins that exhibit e.g. antioxidant, anticancer, antiviral, and anti-infl ammatory activities. The aim of this study was to determine the biological activity of the extract from leaves of kiwi in relation to cells of erythrocytes and lymphoma. This activity was determined by studying...
Isatis concstricta Davis (an endemic plant of Turkey) suffers from low propagation rates under natural conditions and is threatened due to fast unplanned urbanisation. The study compared the effects of variants of BA + NAA on shoot regeneration on leaf and petiole explants excised from one week old in vitro regenerated seedlings. MS medium containing 1 mg L–1 BA + 1 mg L–1 NAA induced maximum proliferation...
Green tea offers not only pleasant, delicate flavor, but also provides health benefits. The extract contains, among others, polyphenols responsible for antioxidant and anti-inflammatory properties. They reduce the risk of cancer and their presence exerts preventive activity against cardiovascular diseases. Analysis of selected physicochemical and solubilizing properties of pharmacopoeial-true solutions...
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