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Chemometrics as a Tool for Quality Control of Commercial Samples of Equisetum Teas in Brazil
The genus Equisetum , Equisetaceae, is widely used as a diuretic and is one of the most widely consumed teas in Brazil. However, analytical approaches...
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Arbitrating Identification Issues of Picrorhiza kurroa Samples by ATR-FTIR Spectroscopy Using Multivariate Analysis
Picrorhiza kurroa Royle ex Benth (Scrophulariaceae) has been utilized globally and is among endangered perennial herbs. The fundamental concerns in...
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Differentiation of Mikania glomerata and Mikania laevigata Species Through Mid-infrared Spectroscopy and Chemometrics Guided by HPLC-DAD Analyses
Mikania glomerata Spreng. and M. laevigata Sch. Bip. ex Baker are medicinal plant species from the Asteraceae family popularly known as “guaco” in...
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Brazilian Medicinal Plants with Antiamyloidogenic Activity
Amyloid fibrillation is a process involved in a large set of pathologies, including diabetes and Alzheimer’s. Although Brazil has a large...
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Simultaneous determination of macaenes and macamides in maca using an HPLC method and analysis using a chemometric method (HCA) to distinguish maca origin
Macamides and Macaenes are the bioactive marker compounds in maca ( Lepidium meyenii Walp., Brassicaceae) tuber. To simultaneously quantify these two...
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UHPLC Method for Quantification of Bioactive Components in Fenugreek Herbal Preparations
Trigonella foenum-graecum L., Fabaceae, also known as fenugreek, is a popular herb commonly used as a spice, flavoring, and medicinal agent. It is...
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Comprehensive chemical analysis of the flower buds of five Lonicera species by ATR-FTIR, HPLC-DAD, and chemometric methods
Lonicera japonica Thunb., Caprifoliaceae, has been employed in traditional Chinese medicine for thousands of years. However, it is frequently...
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Response Surface Optimised Bioanalytical Stability Indicating LC-UV Method for the Estimation of Emtricitabine and Efavirenz with Internal Standard
This work was aimed at the development of response surface optimised bioanalytical stability indicating the LC-UV method for the estimation of drugs...
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Application of Near-IR Spectroscopy to Analysis of Kemantane Drug Substance
Near-IR spectroscopy is a promising analytical method in pharmacy. It was shown that it can be used as a rapid method for confirming the identity and...
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A Supercritical Fluid Chromatography and Tandem Mass Spectrometry Method for the Simultaneous Quantification of Valsartan and Hydrochlorothiazide in Human Plasma
A simultaneous rapid, sensitive supercritical fluid chromatography and tandem mass spectrometry method for the separation and quantification of...
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Acetaminophen and Thiosalicylic Acid Sensor Based on Carbon Paste Electrode Modified with Multi-Walled Carbon Nanotubes and Natural Deep Eutectic Solvent
A carbon paste electrode (CPE) modified with multi-walled carbon nanotubes (MWCNTs) and natural deep eutectic solvent (NADES) was prepared and...
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Marine Bacteria from the Southeast Coast of Brazil as a Source of Insecticidal Compounds
Vector-borne diseases are public health concerns in equatorial, tropical, and subtropical regions. Controlling their vectors remains the main...
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Development and Validation of the UV Spectrophotometric Method for Simultaneous Determination of Paracetamol and Pseudoephedrine in Bulk and Combined Tablet Dosage Form
Paracetamol (PARA) and Pseudoephedrine (PSE) are co-formulated drugs that and widely used over the world for the treatment of symptoms associated...
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Cytotoxicity and Uptake of Lafoensia pacari Extract in Mammary Carcinoma Cells
Cancer is among the top five causes of death worldwide and is considered a public health problem. Therefore, this study evaluated the cytotoxic...
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Chemophenetic and Chemodiversity Approaches: New Insights on Modern Study of Plant Secondary Metabolite Diversity at Different Spatiotemporal and Organizational Scales
The study of plant secondary metabolites, now designated as specialized metabolites, is motivated by multiple scientific objectives, ranging from...
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Headspace analysis and characterisation of South African propolis volatile compounds using GCxGC-ToF-MS
Propolis also known as “bee glue or bee resin” is a resinous mixture of bee saliva or bee wax and exudate from tree trunks and flowers, produced by...
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Combined OPLS-DA and decision tree as a strategy to identify antimicrobial biomarkers of volatile oils analyzed by gas chromatography-mass spectrometry
Bioguided isolation to discriminate antimicrobial compounds from volatile oils is a time- and money-consuming process. Considering the limitations of...
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Synthesis of Natural Product Derivatives as Larvicides Against Aedes aegypti
Larvicides are pesticides that kill insects during their early life stages. Aedes aegypti (Linnaeus, 1762), Diptera: Culicidae, usually breed in...
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Nano-Nutraceuticals for Health: Principles and Applications
The use of nanotechnological products is increasing steadily. In this scenario, the application of nanotechnology in food science and as a...
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HPLC fingerprint and simultaneous quantitative analysis of phyllanthin and hypophyllanthin for identification and authentication of Phyllanthus niruri from related species
A precise and accurate method for the identification and authentication of Phyllanthus niruri L. from P. debilis Klein ex Willd. and P. urinaria L.,...