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Identification of Lignans.
Methods Mol Biol
January 2025
College of Pharmacy and Institute of Pharmaceutical Sciences and Technology, Hanyang University, Ansan, Gyeonggi-do, Republic of Korea.
Lignans have garnered significant interest in various fields of pharmaceuticals, nutrition, and pesticides due to their diverse biological activities. This chapter primarily focuses on the extraction and purification methods of lignans from Schisandra, followed by an extensive examination of qualitative and quantitative analytical techniques, including thin-layer chromatography (TLC) and high-performance liquid chromatography (HPLC). Additionally, methods for structural analysis using nuclear magnetic resonance (NMR) are briefly summarized.
View Article and Find Full Text PDFEnrichment of GABA content in brown rice through heating and humidifying treatment: Quantification via TLC-ImageJ method.
Food Chem
January 2025
School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China. Electronic address:
Gamma-aminobutyric acid (GABA) is a functional food ingredient for human health. This study aimed to investigate the enrichment and migration rule of GABA in rice by heating and humidifying treatment (HHT). The thin layer chromatography-ImageJ method (TLC-ImageJ) was developed for determining GABA.
View Article and Find Full Text PDFPhytochemical and Bioactivity Evaluation of Bee Pollen and Androecia of , , and Species.
Antioxidants (Basel)
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Department of Pharmacognosy, Faculty of Pharmacy, Yeditepe University, Kayisdagi Cad., Atasehir, 34755 Istanbul, Türkiye.
Qualitative and quantitative differences in the chemical composition between bee pollen originated from (Türkiye and Slovenia), spp. (Türkiye and Slovenia), and spp. (Türkiye) and androecia of , , and (apetalous trees) were evaluated for the first time by new high-performance thin-layer chromatography (HPTLC) and ultra-performance liquid chromatography (UPLC) methods using marker compounds.
View Article and Find Full Text PDFPlanar solid phase extraction for chlorinated paraffin analysis - irradiation chamber for standardized derivatization on planar thin-layers.
J Chromatogr A
January 2025
Institute of Food Chemistry, Department of Food Chemistry and Analytical Chemistry, University of Hohenheim, Garbenstraße 28, 70599 Stuttgart, Germany. Electronic address:
As an established analytical method, high-performance thin-layer chromatography (HPTLC) offers powerful capabilities. This study focused on its application to analyze chlorinated paraffins (CP) by planar solid phase extraction (pSPE). Based on previous work, an irradiation chamber was developed to investigate the derivatization process on planar thin-layers and ensure a robust and reproducible analysis.
View Article and Find Full Text PDFA newly developed high-performance thin layer chromatographic method for determination of remdesivir, favipiravir and dexamethasone, in spiked human plasma: comparison with the published methods.
BMC Chem
January 2025
Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt.
Co-administration of COVID-19 RNA polymerase inhibitors, remdesivir and favipiravir, has synergistic benefits. Together they reduce viral load and inflammation more effectively than either drug used alone. Corticosteroids like dexamethasone are used alongside antivirals in multidrug combination regimens.
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