First comprehensive report on the chemical composition of the floral perfume of (Orchidaceae).

This study presents the first complete analysis of the chemical composition of the flowers of the species and . The compounds were extracted distillation and simultaneous extraction and analysed using gas chromatography coupled to mass spectrometry. A total of 82 compounds were identified and the results reveal significant differences in the abundance of compounds between the species.

Evaluating the Antimalarial Potential of d-α-Tocopherol Polyethylene Glycol 1000 Succinate and α-Tocopherol, In Vivo Studies in Plasmodium berghei-Infected Mice and Molecular Docking Insights.

Oxidative stress is a pivotal factor in the pathogenesis of malaria, contributing to the development of conditions such as anemia, respiratory complications, and cerebral malaria. To counteract oxidative damage, we evaluated the effects of vitamin E (α-TOH) and d-α-tocopherol polyethylene glycol 1000 succinate (TPGS) supplementation on parasitemia progression, mortality rate, and blood-brain barrier (BBB) permeability in Plasmodium berghei ANKA-infected mice. The mice were divided into four groups: a control group (untreated and uninfected), an infected group (Pb), a TPGS + Pb group, and an α-TOH + Pb group.

From an Invasive Weed to an Insecticidal Agent: Exploring the Potential of in Insect Management Strategies-A Review.

is weed with a wide range of chemical constituents, including primary and secondary metabolites such as alkaloids, flavonoids, tannins, saponins, and terpenoids. These compounds contribute to its medicinal and pesticidal potential. The essential oils and different solvent fractions derived from exhibit notable variations in their respective chemical compositions across various plant parts, spatial distributions, and interspecific comparisons.

Analysis of Chemical Composition, Antioxidant Activity, and Toxicity of Essential Oil from Aubl (Myristicaceae).

Volatile oils or essential oils (EOs) were extracted from three samples (labeled as A, B, and C) in September 2018 and February 2019; the extraction process involved hydrodistillation of the leaves. The chemical compositions of the EOs were analyzed using gas chromatography-mass spectrometry (GC/MS). The volatile components were identified by comparing their retention indices and mass spectra with standard substances documented in the literature (ADAMS).

Exploring the Potential of Genus Essential Oils: A Review of Biological Activities and Recent Advances.

The present study provides a comprehensive analysis of the chemical composition of essential oils from species of the genus and their applications. The compiled results highlight the chemical diversity and biological activities of these oils, emphasizing their potential importance for various therapeutic and industrial applications. The findings reveal that essential oils present a variety of bioactive compounds, such as monoterpenes and sesquiterpenes, which demonstrate antimicrobial activities against a range of microorganisms, including Gram-positive and Gram-negative bacteria, as well as yeasts.

Molecular interactions of the Omicron, Kappa, and Delta SARS-CoV-2 spike proteins with quantum dots of graphene oxide.

Context: The Omicron, Kappa, and Delta variants are different strains of the SARS-CoV-2 virus. Graphene oxide quantum dots (GOQDs) represent a burgeoning class of oxygen-enriched, zero-dimensional materials characterized by their sub-20-nm dimensions. Exhibiting pronounced quantum confinement and edge effects, GOQDs manifest exceptional physical-chemical attributes.

Chemical Composition of L. Cultivar Guajarina Essential Oils and Their Biological Activity.

The essential oils and aroma derived from the leaves (L), stems (St), and spikes (s) of L. cv. Guajarina were extracted; the essential oils were extracted using hydrodistillation (HD), and steam distillation (SD), and the aroma was obtained by simultaneous distillation and extraction (SDE).

New Information of the Anatomy and Phytochemical Screening of (Willd.) Kuntze (Caesalpinioideae-Leguminosae) Seeds.

(Willd.), whose common name is "pracaxi," is naturally found in the Amazon region. The present study is aimed at analyzing the anatomy, seed histochemistry, and chemical composition in fatty acid profile of seed oils.

Targeting SmCB1: Perspectives and Insights to Design Antischistosomal Drugs.

Neglected tropical diseases (NTDs) are prevalent in tropical and subtropical countries, and schistosomiasis is among the most relevant diseases worldwide. In addition, one of the two biggest problems in developing drugs against this disease is related to drug resistance, which promotes the demand to develop new drug candidates for this purpose. Thus, one of the drug targets most explored, Cathepsin B1 (SmCB1 or Sm31), provides new opportunities in drug development due to its essential functions for the parasite's survival.

Morphoanatomical, Histochemical, and Essential Oil Composition of the Codd. (Lamiaceae).

is a medicinal and aromatic plant used in traditional and alternative medicine. In this study, leaves of were collected in two cities of the state of Pará, "Quatipuru" and "Barcarena", and were used with the objective of analyzing, through morphoanatomical data and histochemical and phytochemical studies of essential oil, the samples present structural differences and differences in their chemical composition. Anatomical and histochemical analyses were performed by transverse, using longitudinal sections of 8 μm to 10 μm to perform epidermal dissociation, diaphonization, and tests to identify classes of secondary metabolites.

Exploring the chemical composition, in vitro and in silico study of the anticandidal properties of annonaceae species essential oils from the Amazon.

Chemical composition of the essential oils (EOs) from the leaves of five Annonaceae species found in the amazon region was analyzed by Gas chromatography coupled to mass spectrometry. The antifungal activity of theses EOs was tested against Candida albicans, Candida auris, Candida famata, Candida krusei and Candida tropicalis. In addition, an in silico study of the molecular interactions was performed using molecular modeling approaches.

A Comprehensive Review on Phytochemistry, Ethnopharmacology, and Pharmacological Properties of (Roxb.) Roscoe.

Medicinal and aromatic plants are known to have a number of biologically active compounds. Since ancient times, such plants have been used in ethnopharmacology. A number of medicines have been developed from plant origin by researchers and researchers continue to be interested in plant-based medicines.

Phytochemical Screening and Evaluation of Pesticidal Efficacy in the Oleoresins of Sims and Study.

Sims is an aromatic rhizomatous herb of family Zingiberaceae which is endemic to Peninsular India. This study first reports the phytochemical profile and pesticidal potential of oleoresins obtained from the aerial and rhizome parts of Sims. The oleoresins were prepared by the cold percolation method and were analyzed by a gas chromatography-mass spectrometry (GC-MS) method.

First Report on the Chemical Composition, Antioxidant Capacity, and Preliminary Toxicity to L. of Secco, A. Rosário & PE Berry (Euphorbiaceae) Essential Oil, and In Silico Study.

Secco, A. Rosário & PE Berry is an aromatic species recently discovered in the Amazon region. This study first reports the chemical profile, antioxidant capacity, and preliminary toxicity to Leach of the essential oil (EO) of this species.

Phytochemical Profile, Preliminary Toxicity, and Antioxidant Capacity of the Essential Oils of (H. West ex Willd.) O. Berg. and (G. Mey) DC. (Myrtaceae).

The essential oils (EOs) of Myrciaria floribunda (Mflo) and Myrcia sylvatica (Msyl) (Myrtaceae) were obtained by hydrodistillation. The analysis of volatile constituents was performed by GC/MS. Preliminary toxicity was assessed on Artemia salina Leach.

Phytochemical Profile, In Vitro Bioactivity Evaluation, In Silico Molecular Docking and ADMET Study of Essential Oils of Three Species Grown in Tarai Region of Uttarakhand.

A comparative study of volatiles, antioxidant activity, phytotoxic activity, as well as in silico molecular docking and ADMET study, was conducted for essential oils from three species, viz., , , and . Essential oils (OEs) extracted by hydrodistillation were subjected to compositional analysis using GC-MS.

Studies on the Phytochemical Profile of var. (L.) Alef. Essential Oil, Its Larvicidal Activity and In Silico Interaction with Acetylcholinesterase against (Diptera: Culicidae).

L. (Diptera: Culicidae) is an important transmitter of diseases in tropical countries and controlling the larvae of this mosquito helps to reduce cases of diseases such as dengue, zika and chikungunya. Thus, the present study aimed to evaluate the larvicidal potential of the essential oil (EO) of var.

Phytochemical Profile, Antioxidant Potential and Toxicity Evaluation of the Essential Oils from and Species () from the Brazilian Amazon.

The essential oils (EOs) of Duguetia echinophora, D. riparia, Xylopia emarginata and X. frutescens (Annonaceae) were obtained by hydrodistillation and the chemical composition was analyzed by GC-MS.

O.Berg () Essential Oil, First Study of the Chemical Composition and Antioxidant Potential.

The Myrtaceae family is one of the most representative in the Amazon. Several species have high added-value pharmacological potential. In order to contribute to the knowledge of the aromatic profile of Myrtaceae species from the Amazon, the present study presents the first report on the productivity, chemical composition, and antioxidant profile of the essential oil (EO) of Myrcia paivae.

Chemical Composition and Biological Activities of Buch.-Ham. ex Sm. Essential Oils from Kumaun Hills of Uttarakhand.

Buch. Ham. ex Sm.

In Silico Evaluation of the Antimicrobial Activity of Thymol-Major Compounds in the Essential Oil of Mart. & Schauer (Verbenaceae).

In this paper, we evaluated the drug-receptor interactions responsible for the antimicrobial activity of thymol, the major compound present in the essential oil (EO) of Mart. & Schauer (Verbenaceae). It was previously reported that this EO exhibits antimicrobial activity against (), (), and ().

Molecular Modeling Approaches Can Reveal the Molecular Interactions Established between a Biofilm and the Bioactive Compounds of the Essential Oil of .

Molecular modeling approaches are used in a versatile way to investigate the properties of diverse organic and inorganic structures such as proteins, biomolecules, nanomaterials, functionalized nanoparticles, and membranes. However, more detailed studies are needed to understand the molecular nature of interactions established in gelatin biofilms impregnated with bioactive compounds. Because of this, we used computational methods to evaluate how the major compounds of essential oil can interact with the gelatin biofilm structure.

Chemical variability of volatile concentrate from two L. species within a seasonal gradient.

In the present study, are extracted volatile concentrate from Poir. and (Desr.) Roem.