Results 11 to 20 of about 361,714 (259)

Secondary metabolites and biodiversity of actinomycetes [PDF]

open access: yesJournal of Genetic Engineering and Biotechnology, 2021
La capacidad de producir compuestos bioactivos microbianos hace que las actinobacterias sean uno de los microbios más explorados entre los procariotas. Los metabolitos secundarios de las actinobacterias son conocidos por su papel en diversos procesos fisiológicos, celulares y biológicos.
Manal S. Selim   +2 more
openaire   +3 more sources

Acaricidal properties of extracts of some medicinal and culinary plants against Tetranychus urticae Koch.

open access: yesPlant Protection Science, 2016
The acaricidal activity of aqueous extracts obtained from 28 plant species was tested against Tetranychus urticae. The extract efficacy on the incidence of individual development stages of T.
Roman Pavela
doaj   +1 more source

Effectiveness of environmentally safe food additives and food supplements in an in vitro growth inhibition of significant Fusarium, Aspergillus and Penicillium species

open access: yesPlant Protection Science, 2018
We tested 38 legislatively recognised substances such as food additives and supplements for antifungal efficacy, with the aim of providing an alternative to synthetic conventional fungicides.
Martin Žabka, Roman Pavela
doaj   +1 more source

Secondary Metabolites and Their Applications

open access: yesApplied Sciences, 2022
The identification of secondary metabolites present in both terrestrial and marine species continues to be a fundamental and privileged path for the emergence of new and fundamental natural products available on the market with very different ...
Eugenia Gallardo, Ana M. L. Seca
doaj   +1 more source

History, presence and perspective of using plant extracts as commercial botanical insecticides and farm products for protection against insects - a review

open access: yesPlant Protection Science, 2016
Botanical insecticides keep attracting more attention from environmental and small farmers worldwide as they are considered as a suitable alternative to synthetic insecticides.
Roman PAVELA
doaj   +1 more source

Secondary Metabolites from

open access: yesNatural Product Communications, 2008
Chemical studies carried out on Clerodendrum chinense yielded three new compounds including the steroid (22E, 24S)-stigmasta-4, 22, 25-trien-3-one (1), the flavone glycoside 7, 8, 4′-trihydroxyflavone-6-O-β-D-glucuronopyranoside (2) and the epimeric neo ...
Tanya H. Layne   +3 more
doaj   +2 more sources

Diversity of Microbial Communities and Quantitative Chemodiversity in Layers of Marine Sediment Cores from a Causeway (Kaichu-Doro) in Okinawa Island, Japan

open access: yesFrontiers in Microbiology, 2017
Microbial community diversity and chemodiversity were investigated in marine sediments adjacent to the Okinawan “Kaichu-Doro” Causeway, which was constructed 46 years ago to connect a group of four islands (Henza-jima, Miyagi-jima, Ikei-jima, Hamahiga ...
Taha Soliman   +9 more
doaj   +1 more source

Secondary Metabolites of Purpureocillium lilacinum

open access: yesMolecules, 2021
Fungi can synthesize a wealth of secondary metabolites, which are widely used in the exploration of lead compounds of pharmaceutical or agricultural importance. Beauveria, Metarhizium, and Cordyceps are the most extensively studied fungi in which a large
Wei Chen, Qiongbo Hu
doaj   +1 more source

Analysis of removal of cadmium by action of immobilized Chlorella sp. micro-algae in alginate beads [version 1; referees: 2 approved]

open access: yesF1000Research, 2018
Cadmium (Cd) is a metal that can negatively interfere with the metabolic systems of living beings. The objective of this work was to evaluate the capacity for cadmium removal in aqueous solutions by immobilized Chlorella sp.
Christian Valdez   +3 more
doaj   +1 more source

Antioxidant activity of plant secondary metabolites [PDF]

open access: yesArhiv za farmaciju, 2023
Oxidative stress can induce the development of many different disorders. Plant secondary metabolites may act as antioxidants by neutralisation of free radicals and by stimulation of endogenous antioxidant mechanisms.
Marčetić Mirjana, Arsenijević Jelena
doaj   +1 more source

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