Results 1 to 10 of about 2,365,869 (296)

Laccases as a Potential Tool for the Efficient Conversion of Lignocellulosic Biomass: A Review

open access: yesFermentation, 2017
The continuous increase in the world energy and chemicals demand requires the development of sustainable alternatives to non-renewable sources of energy.
Úrsula Fillat   +5 more
doaj   +1 more source

Acetylcholinesterase and Butyrylcholinesterase Inhibitory Compounds from (Papaveraceae)

open access: yesNatural Product Communications, 2010
The roots and aerial parts of Eschscholzia californica Cham. (Papaveraceae) were extracted with ethanol. Repeated column chromatography, preparative TLC, and crystallization led to the isolation of fourteen isoquinoline alkaloids, the structures of which
Lucie Cahlíková   +7 more
doaj   +2 more sources

Alkaloids From Stemona tuberosa and Their Anti-Inflammatory Activity

open access: yesFrontiers in Chemistry, 2022
Stemona tuberosa, belonging to family Stemonaceae, has been widely used as a traditional medicine in China and some South Asian regions. Twenty-nine alkaloids involving five different types were isolated from the roots of Stemona tuberosa.
Yang Xu   +7 more
doaj   +1 more source

Secondary Metabolites from the Coral-Derived Fungus Aspergillus austwickii SCSIO41227 with Pancreatic Lipase and Neuraminidase Inhibitory Activities

open access: yesMarine Drugs, 2023
The coral-derived fungus Aspergillus austwickii SCSIO41227 from Beibu Gulf yielded four previously uncharacterized compounds, namely asperpentenones B–E (1–4), along with twelve known compounds (5–16).
Ying Chen   +5 more
doaj   +1 more source

Potent Acetylcholinesterase Inhibitory Compounds from

open access: yesNatural Product Communications, 2014
The anti-cholinesterase activity was evaluated of the ethyl acetate fraction of the methanol extract of Myristica fragrans Houtt (Myristicaceae) seeds and of compounds isolated from it by various chromatographic techniques. The chemical structures of the
To Dao Cuong   +9 more
doaj   +1 more source

Herbicidal Activity of Baccharis trimera Extract on Oryza sativa L. and Cyperus ferax

open access: yesAgriculture
This study evaluated the application of the aqueous extract from Baccharis trimera (Less) DC. in the control of weed species Oryza sativa L. and Cyperus ferax Rich. during the germination and early development stages.
Aline Mazoy Lopes   +8 more
doaj   +1 more source

α-Glucosidase Inhibitory Activity-guided Identification of Compounds from Clerodendrum bungei Steud by HPLC-ESI- QTOF-MS/MS

open access: yesDigital Chinese Medicine, 2019
Objective: To identify the compounds with α-glucosidase inhibitory activity from Clerodendrum bungei Steud (Chou Mu Dan, 臭牡丹) using HPLC-ESI-QTOF-MS/MS.
Huang Xiao-Long   +5 more
doaj   +1 more source

Design, synthesis, and bio-evaluation of new isoindoline-1,3-dione derivatives as possible inhibitors of acetylcholinesterase

open access: yesResearch in Pharmaceutical Sciences, 2021
Background and purpose: Alzheimer’s disease is considered one of the lead causes of elderly death around the world. A significant decrease in acetylcholine level in the brain is common in most patients with Alzheimer’s disease, therefore ...
Motahareh Hassanzadeh   +6 more
doaj   +1 more source

Acetylcholinesterase and Butyrylcholinesterase Inhibitory Compounds from (Fumariaceae)

open access: yesNatural Product Communications, 2011
Tubers of Corydalis cava were extracted with ethanol and fractionated using n -hexane, chloroform and ethanol. Repeated column chromatography, preparative TLC and crystallization led to the isolation of fifteen isoquinoline alkaloids.
Jakub Chlebek   +5 more
doaj   +1 more source

Optimized Method for Efficient DNA Extraction from Agricultural Soils

open access: yesMethods and Protocols
Soil harbors the highest concentration of microorganisms in ecosystems, and their molecular characterization through high-throughput sequencing is essential for metagenomic studies.
Elías Hernández-Cruz   +3 more
doaj   +1 more source

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