Abstract The leaf oil compositions of two Lauraceae and one Annonaceae plants cultivated in Vietnam were analysed by GC/MS (gas chromatography‐mass spectrometry) analysis. the first plant Cinnamomum melastomaceum contained 34 identified compounds, which benzyl benzoate (38.5 %), linalool (19.9 ( E )‐caryophyllene (10.5 α ‐terpineol (6.9 %) major compounds. leaves second Neolitsea buisanensis gave an with main compounds )‐ β ‐ocimene (24.0 (15.8 bicyclogermacrene (14.9 (6.3 %). Uvaria...

Many researchers have studied the metabolism of toxics including selenium (Se) in biological medium rats and defined some correlations between other minerals as arsenic (As), cadmium (Cd), mercury (Hg), thallium (Tl). An investigation potential influences As, Hg, Tl Pb on Se metabolism, which can suggest new drugs to cope poisonousness Se. The current study also has looked into use As(III)/As(V) toxic treatment essential mineral animals (as rats) based sequestration these elements...

Epaltes australis Less. has been traditionally used to treat fever and snake bites, whereas Lindera myrrha (Lour.) Merr. is well-known for addressing colds, chest pain, indigestion, worm infestations. This study marks the first report on chemical compositions biological potentials of essential oils extracted from leaves myrrha. Essential obtained by hydro-distillation were analysed using GC/MS (gas chromatography-mass spectrometry). E. exhibited a predominant presence non-terpenic compounds...

Pluchea indica (L.) Less. is a medicinal plant native to Asia. Traditionally, it known for numerous traditional uses, such as treatments fever, cough, and digestive issues. The present investigation aims determine the chemical compositions of essential oils from its fresh leaves stem barks. By using hydro‐distillation GC‐FID/MS (gas chromatography‐flame ionization detection/mass spectrometry) analysis, studied samples were dominated by sesquiterpene hydrocarbons (76.8‐82.2%) their oxygenated...

Three species of the Rutaceae family, including Acronychia pedunculata, Euodia lepta, and Severinia monophylla have been used in traditional medicine. However, comparison chemical composition, anti‐cancer, anti‐inflammatory effects leaf essential oils these not investigated yet. A total 38 compounds were identified via gas chromatography‐mass spectrometry, comprising 96.5‐99.8% composition. Both A. pedunculata E. lepta exhibited strong inhibitory against cancer cells (IC50: 59.04‐97.52...

Abstract Anaxagorea luzonensis A. Gray, a member of the Annonaceae family, has been used to treat variety illnesses for long time. For first time, A . volatile compounds (ALVCs) were extracted from leaves, and components identified using gas chromatography-mass spectrometry (GC-MS). Further, main compositions ALVCs also assessed their ability bind with anti-inflammatory proteins docking model. In addition, in vitro tests e.g. inhibition protein degradation nitric oxide release RAW264.7...

Background and Objectives The genus Piper (family Piperaceae) includes aromatic plants widely used as spices in traditional medicine. Essential oils from species are known for their antimicrobial pesticidal properties. This study aims to characterize the chemical profiles of stem bark leaf essential two Vietnamese species, hainanense P. thomsonii, evaluate biological activities. Methods oil components were identified using gas chromatography-mass spectrometry (GC-MS). Antimicrobial activity...

Diospyros kaki is a famous commercial plant with its edible fruit (persimmon) and widely used as traditional remedy in Vietnam. However, the anti-oxidant anti-bacterial effects against gastrointestinal microbes of D. leaf extract have not been elucidated yet. In this study, methanol from leaves contained some chemical groups, such tannins, flavonoids, phenolic compounds, alkaloids, saponins, mainly it was rich polyphenols flavonoids (528.11 ± 12.96 mg GAE/g 44.49 6.77 QE/g, respectively)....

ABSTRACT Hedyotis diffusa , a widely used medicinal herb in Asia, has underexplored essential oils. This study aimed to analyze the chemical composition and biological activities of oils from H. aerial parts. Essential stem barks leaves were examined via gas chromatography‐flame ionization detection/mass spectrometry. Biological assessed using cytotoxicity (MCF7, SK‐LU‐1, HepG2), antimicrobial ( Bacillus subtilis ), nitric oxide (NO) inhibition, antioxidant, antidiabetic assays. Molecular...

Objective In this work, the essential oils of two Vietnamese species Lauraceae family, Actinodaphne obovata and Caryodaphnopsis bilocellata , were chemically characterized in detail order to assess their possible cytotoxic antibacterial properties. Methods Essential extracted from fresh leaves flowers using hydro-distillation, chemical components identified gas chromatography-mass spectrometry (GC-MS). The abilities tested against several bacterial, fungal, yeast strains, while cytotoxicity...

Piper lolot is a species of herb used as popular food in Vietnam. Furthermore, the has been Vietnamese traditional medicine to treat many diseases.Chemical constituents essential oil from leaves were determined using GC/MS analysis. The anti-gout and anti-diabetic activities through inhibitory assays against xanthine oxidase, α-glucosidase α-amylase enzymes. In addition, molecular docking simulations elucidate mechanism between main compounds enzymes.The dominant oils β-caryophyllene...

The essential oils of five Vietnamese Syzygium species (Syzygium levinei, S. acuminatissimum, vestitum, cumini, and buxifolium) were first hydro-distilled analyzed using GC-FID/MS (gas chromatography-flame ionization detection/mass spectrometry). Monoterpene hydrocarbons, sesquiterpene oxygenated sesquiterpenoids the main chemical classes in these oils. All showed good-excellent antimicrobial activities against Gram-positive bacteria Enterococcus faecalis, Staphylococcus aureus, Bacillus...

Distichochlamys benenica is a native black ginger that grows in Vietnam. In point of fact, there limitation available information the literature making mention chemical constituents and bioactive properties this plant. This study aimed at isolating trans-o-coumaric acid (1), trans-cinnamic (2), borneol (3) from rhizomes D. Q.B.Nguyen & Škorničk evaluate anti-inflammatory antimicrobial activities 1-3 using carrageenan paw edema model dilution broth method, respectively. revealed 1 was as...

Zingiber is a genus of medicinal plants containing rich resource essential oils. The current study aims to describe chemical analysis and antimicrobial assay for two species eberhardtii Gagnep. Z. skornickovae N.S. Lý. rhizome oils, which were obtained by hydro-distillation using Clevenger apparatus, analyzed GC-MS (gas chromatography-mass spectrometry). Extraction gave yellow oil with 41 identified compounds (96.3%), in linalool (34.9%) 1,8-cineole (12.7%) the principal compounds. included...

This research aimed to identify the volatile compounds of essential oils found in rhizomes and leaves Zingiber monophyllum Gagnep. is first phytochemical investigation this species. Essential from Z. were obtained by hydrodistillation analyzed gas chromatography coupled with mass spectrometry (GC/MS). Twenty-three accounting for 90.9% rhizome identified, while there seventeen components corresponding 91.8% leaf oil. The major constituents β-pinene (44.9% 29.8%), borneol (5.2% 3.1%), α-pinene...

This study focused on the chemical composition and biological activities of essential oil derived from Grewia bulot, a plant species known for its medicinal properties. The analysis bulot revealed presence 78 constituents. major compounds were α-cadinol (13.5%), 1,8-cineole (12.7%), 1,10-di-epi-cubenol (9.8%), epi-α-cadinol (6.7%), (E,E)-α-farnesene (5.9%), (E)-citral (4.0%), selin-11-en-4-α-ol citronellol isobutanoate (3.9%), geranic acid (3.7%). exhibited promising antioxidant potential...

A new compound, conamonin (

The current study describes chemical compositions and antimicrobial activity of essential oils from the rhizome two Vietnamese ginger plants Newmania orthostachys N.S. Lý & Škorničk. serpens 49 compounds (98.4%) were identified in N. oil, whereas 54 (93.4%) oil. oil was dominated by monoterpene hydrocarbons (74.2%), which β-pinene (35.7%), α-pinene (13.4%), sabinene (8.0%), camphene (6.7%), limonene (5.1%) characteristic compounds. Monoterpene (33.5%) sesquiterpene (44.1%) represented as...

Dichroa febrifuga Lour. is a traditional medicinal herb that has been applied in the treatment of malaria and some other infectious diseases. Studies recently have focused on anti-inflammation extracts although there not many reports about which compounds play essential role. Therefore, this study, we isolated hydrangenoside C (1), isoarborinol (2), methyl 1,3,4,6-tetra-O-acetyl-fructofuranoside (3) from leaves febrifuga. Subsequently, anti-inflammatory property 1-3 was assessed using an...

This research aims to identify the volatile compounds from rhizomes and leaves of Newmania sontraensis. The constituents essential oil N. sontraensis were analyzed by Gas Chromatography-Mass Spectrometry (GC/MS). Thirty-one identified in compared which showed thirty-two corresponding 83.28 % 76.41 content, respectively. chemical composition rhizome was characterized hydrocarbon monoterpenes accounting for 36.26 %. major found included β-pinene (22.41%), 1,8-cineole (8.32 %),...