Le Xuan Duy

ORCID: 0000-0001-5615-957X
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Research Areas
  • Natural product bioactivities and synthesis
  • Allelopathy and phytotoxic interactions
  • Phytochemical Studies and Bioactivities
  • Microbial Metabolism and Applications
  • Mycotoxins in Agriculture and Food
  • Microbial Metabolites in Food Biotechnology
  • Antioxidant Activity and Oxidative Stress
  • Seaweed-derived Bioactive Compounds
  • Essential Oils and Antimicrobial Activity
  • Synthesis and Biological Evaluation
  • Enzyme Catalysis and Immobilization
  • Inflammatory mediators and NSAID effects
  • Plant biochemistry and biosynthesis
  • Echinoderm biology and ecology
  • Ziziphus Jujuba Studies and Applications
  • Biofuel production and bioconversion
  • Enzyme Production and Characterization
  • Research studies in Vietnam
  • Ginseng Biological Effects and Applications
  • Free Radicals and Antioxidants
  • Algal biology and biofuel production
  • Cancer-related molecular mechanisms research
  • Eicosanoids and Hypertension Pharmacology
  • Chromatography in Natural Products
  • Phytochemistry and Bioactive Compounds

National Institute of Nutrition
2022-2023

National Library of Vietnam
2022

Vietnam Academy of Science and Technology
2020-2021

Chungnam National University
2018

Polyscias fruticosa (L.) Harms is commonly used for medicinal purposes in Vietnam. In traditional medicine, the plant to cure ischemia, reduce inflammation, and increase cerebral blood circulation. Triterpene saponins are major chemical constituents found roots of P. fruticosa. This compound exhibited a broad spectrum biological effects, including lowering sugar, suppressing tumor growth inflammation. study focused on optimizing process total extraction from using ultrasonic-assisted (UAE)...

10.3390/pr10102034 article EN Processes 2022-10-08

Sargassum is a genus of brown macroalgae in the class Phaeophyta, distributed widely all oceans, including those Vietnam. Species this have been proven to possess diverse biological activities, such as antioxidant, anti-fungal, and anti-inflammatory, along with many benefits applications for human health, anti-diabetic, obesity, thrombosis. These arise from chemical composition, compounds fucoidan, mannitol, especially phlorotannin—a group phenolic derivatives found predominantly algae. In...

10.1177/1934578x21996184 article EN cc-by-nc Natural Product Communications 2021-02-01

Introduction. The bacterium strain Paracoccus carotinifaciens VTP20181 isolated in Vietnam produces canthaxanthin, a carotenoid widely used the food and pharmaceutical industries. aim of this work was to determine optimal parameters for canthaxanthin extraction from fermented biomass P. VTP20181.
 Study objects methods. First, series single factor investigations were carried out regard maximal content extract obtained by using ultrasonic waves. Four process, such as temperature,...

10.21603/2308-4057-2021-1-117-125 article EN cc-by Foods and raw materials 2021-04-14

Abstract From the biotechnological viewpoint, enzymatic disintegration of plant lignocellulosic biomass is a promising goal since it would deliver fermentable sugars for chemical sector. Cellobiose dehydrogenase (CDH) vital component extracellular lignocellulose-degrading enzyme system fungi and has great potential to improve catalyst efficiency processing. In present study, CDH from newly isolated strain agaricomycete Coprinellus aureogranulatus ( Cau CDH) was successfully purified with...

10.1186/s13765-021-00637-y article EN cc-by Applied Biological Chemistry 2021-09-14

(1) Background: Hedera nepalensis (Araliaceae) is a recognized medicinal plant founded in Asia that has been reported to work antioxidant, antifungal, antimicrobial, and antitumor capacities. (2) Methods: The subcritical fluid extraction of saponin from leaves the optimum process based on yield contents (by calculating hederacoside C dried leaves) are examined by response surface methodology (RSM). Furthermore, antimicrobial activity extract tested for potential drug applications future. (3)...

10.3390/pr10071268 article EN Processes 2022-06-27

Vietnamese traditional medicine has utilised the roots of Polygala arillata Buch.-Ham. ex D. Don to treat acute arthritis, rheumatism, pain, and as a tonic ingredient. In this study, phytochemical analysis P. resulted in isolation one novel compound, named polygarinolide A (1), along with six known compounds (2–7). High-resolution electrospray ionisation mass spectrometry (HR-ESI-MS) one- two-dimensional nuclear magnetic resonance (NMR) spectroscopy were among spectroscopic techniques used...

10.1080/14786419.2024.2429121 article EN Natural Product Research 2024-11-26

Nine bioactive compounds, including one new dihydroisocoumarin glycoside, 3S-thunberginol C 6-O-β-D-glucopyranoside (1a/1b), were isolated by chromatographic separation from the fruits of Vietnamese medicinal plant Docynia indica (Wall.) Decne. was determined as a mixture boat-like conformers based on NMR evidence and density functional theory (DFT) calculations. The in vitro inhibition soluble epoxide hydrolase (sEH) compounds comparable to that AUDA (positive control), yielding IC50 values...

10.1080/14786419.2020.1774759 article EN Natural Product Research 2020-06-08

In our country today, the trend of agricultural mechanization has made number diesel engines for machines increase rapidly in both quantity and type.However, these have low engineering fearture, especially high emission levels which causing air pollution, affecting health community.Many methods been considered to reduce engine emissions, among improving intake manifold profile is a promising research direction.This paper will use simulation software Ansys-ICE AVL-Boost study evaluate...

10.57001/huih5804.2023.015 article EN Journal of Science and Technology - HaUI 2023-02-28

A special alkaloid compound known as capsaicin, which can only be found in the fruit of Capsicum plant, was isolated and tested for its anti-inflammatory activity. The purpose this work is to establish a simple quick approach capsaicin purification utilizing centrifugal partition chromatography (CPC) well an effective method - accelerated solvent extraction (ASE), extracting from chinense. After purification, validated by HPLC-DAD at 281 nm > 90% purity. vivo activity also investigated,...

10.14719/pst.2684 article EN Plant Science Today 2023-12-15
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