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helianthus × laetiflorus/bactericida
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8 resultados
Isolation and characterization of bioactive and antibacterial compound from Helianthus annuus linn.
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A bioactive compound with antibacterial activity was isolated and purified from the extract of leaves of sunflower, Helianthus annuus. The bioactive compound was characterized using 1H and 13C NMR. The compound induced auxin, gibberellins and cytokinin in Oryza sativa and Phaseolus mungo. It also
Ozonation of sunflower oils: impact of experimental conditions on the composition and the antibacterial activity of ozonized oils.
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Ozone can react with vegetable oils to produce ozonized oils which have antimicrobial properties and can be used in dermatology. The aim of this study was to evaluate the influence of ozonation conditions and of the initial fatty acid composition on iodine index (II), peroxide index (IP), acidity
Antibacterial activity of ozonized sunflower oil (Oleozon).
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OBJECTIVE
To evaluate the antimicrobial effect of the ozonized sunflower oil (Oleozon) on different bacterial species isolated from different sites.
RESULTS
The effect of Oleozon on Mycobacteria, staphylococci, streptococci, enterococci, Pseudomonas and Escherichia coli was tested. The sunflower oil
Enhancement of nutraceutical and antioxidant potential of sunflower hybrid seed varieties through chemical priming.
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Pathogenic agents cause an increased risk of various fatal diseases and there is a need to reduce this risk using medicinal plants and their seeds. The present research work was designed to study the efficacy of different sunflower seed hybrid varieties (i.e. FH622, FH620, FH615, FH613 and FH545)
Conjugated linoleic acid conversion by six Lactobacillus plantarum strains cultured in MRS broth supplemented with sunflower oil and soymilk.
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Six strains of Lactobacillus plantarum, isolated from traditional dairy products of minority nationalities, were evaluated for their ability to produce conjugated linoleic acid (CLA) from free linoleic acid in vitro. All the 6 strains were found to be capable of converting linoleic acid to CLA when
Two new epoxysteroids from Helianthus tuberosus.
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Two new epoxy steroids, 5α,8α-epidioxy-22β,23β-epoxyergosta-6-en-3β-ol (1) and 5α,8α-epidioxy-22α,23α-epoxyergosta-6-en-3β-ol (2), and ten known steroids including (24R)-5α,8α-epidioxyergosta-6-en-3β-ol (3), (22E,24R)-5α,8α-epidioxyergosta-6,22-dien-3β-ol (4),
Effect-directed analysis via hyphenated high-performance thin-layer chromatography for bioanalytical profiling of sunflower leaves.
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High-performance thin-layer chromatography (HPTLC) coupled with effect-directed analysis was used for non-targeted screening of sunflower leaf extract for components exhibiting antioxidant, antibacterial and/or cholinesterase enzyme inhibitory effects. The active compounds were characterized by
Biologically active antimicrobial and antioxidant substances in the Helianthus annuus L. bee pollen.
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The objective of this study was to measure the content of flavonoids, polyphenols, and carotenoids in the Helianthus annuus L. bee pollen. It was also to evaluate the ability of the dried, frozen, and freeze-dried extracts of sunflower (H. annuus) pollen, its scavenged free radicals and reducing
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