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podocarpus totara/antibiòtic
L'enllaç es desa al porta-retalls
8 resultats
Antibacterial novel phenolic diterpenes from Podocarpus macrophyllus D. Don.
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Two new sempervirol type diterpenes, inumakiols A, B, and six new totarol type diterpenes, inumakiols C-H, were isolated from a methanolic extract of bark of Podocarpus macrophyllus (Podocarpaceae), along with one known abietane, two known totarol type diterpenes, and one known totarol type
Mode of antibacterial action of totarol, a diterpene from Podocarpus nagi.
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The antimicrobial mechanism of totarol was studied using Pseudomonas aeruginosa IFO 3080. This diterpene inhibited oxygen consumption and respiratory-driven proton translocation in whole cells, and oxidation of NADH in membrane preparation. NADH-cytochrome c reductase was inhibited by totarol while
Antibacterial activity of totarol and its potentiation.
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Antimicrobial activity of six diterpenoids isolated from the bark of Podocarpus nagi (Podocarpaceae) has been tested against twelve selected microorganisms. Totarol [1], the most abundant compound among the six, exhibited potent bactericidal activity only against Gram-positive bacteria, among which
Development and in vitro characterization of poly(lactide-co-glycolide) microspheres loaded with an antibacterial natural drug for the treatment of long-term bacterial infections.
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Biodegradable polymers, especially poly(lactide-co-glycolide) (PLGA), have good biocompatibility and toxicological properties. In combination with active ingredients, a specialized drug delivery system can be generated. The aim of the present study was to develop a drug delivery system consisting of
Antimicrobial activity, toxicity and selectivity index of two biflavonoids and a flavone isolated from Podocarpus henkelii (Podocarpaceae) leaves.
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BACKGROUND
Different parts of Podocarpus henkelii have been used in many cultures around the world to treat ailments such as cholera, stomach diseases, rheumatism, cancer, canine distemper in dogs and gall sickness in cattle. The aim of this study was to evaluate the biological activity and toxicity
A fluorescence study of the interaction and location of (+)-totarol, a diterpenoid bioactive molecule, in model membranes.
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(+)-Totarol, a diterpene extracted from Podocarpus totara, has been reported as a potent antioxidant and antibacterial agent. Although the molecular mechanism of action of this hydrophobic molecule remains unknown, recent work made in our laboratory strongly suggests that it could be lipid-mediated.
Effects of Ultrasound Treatment on Physiochemical Properties and Antimicrobial Activities of Whey Protein-Totarol Nanoparticles.
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Totarol is a natural antimicrobial compound extracted from the heartwood of Podocarpus totara, a conifer native to New Zealand. The effects of whey protein-totarol nanoparticles treated with ultrasound on the physiochemical properties and the growth of Staphylococcus aureus were investigated. The
Antimicrobial activity of South African Podocarpus species.
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BACKGROUND
Several species of Podocarpus (Podocarpaceae) are utilized in treating ailments across the world. In Africa, four species are used traditionally in both animal and human health.
OBJECTIVE
To investigate the antimicrobial activity of Podocarpus species against Bacillus subtilis,
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