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Validation and measurement uncertainty of analytical methods for various azo dye adulterants in Curcuma longa L.
J Food Sci
September 2024
Department of Food Science and Biotechnology, Seoul National University of Science and Technology, Seoul, South Korea.
Food adulteration involving the illegal addition of dyes to foodstuffs has become an alarming issue in recent years. This study developed and validated a high-performance liquid chromatography (HPLC)-DAD (diode array detector) method for the simultaneous determination of nine azo dyes (Butter Yellow, Sudan Orange G, Para Red, Sudan I, Sudan II, Sudan III, Sudan IV, Sudan Red 7B, and Scarlet 808). Moreover, a qualitative analysis method using liquid chromatography-tandem mass spectrometry was developed to more accurately identify peaks detected in HPLC-DAD.
View Article and Find Full Text PDFIntroduction: Rhododendron arboreum Sm. flowers grow in the Himalayan region and have traditionally been used in beverages and food. These wild edible Himalayan flowers are known for their sweet-sour flavor and beautiful scarlet red color.
View Article and Find Full Text PDFDiagnostic Validation of Anti-TOX Antibody for Early-Stage Mycosis Fungoides Through Digital Analysis of Tissue Samples.
Am J Dermatopathol
April 2024
Department of Pathology, Hospital Universitario Severo Ochoa, Leganés (Madrid), Spain; and.
Mycosis fungoides (MF) has become one of the most difficult diagnostic challenges for both dermatologists and dermatopathologists because its clinical presentation and microscopic findings may mimic benign reactive processes, specifically those displaying histopathological features of interface dermatitis. The goal of our study was to prove with digital scanning and automated sample methodology through algorithmic analysis, combined with the utility of TOX marker a more precise, faster, and objective evaluation of each sample. Moreover, this would offer high levels of reproducibility with the possibility of establishing cut-off points, allowing us to distinguish between inflammatory dermatoses (ID) and MF.
View Article and Find Full Text PDFPharmacognostic Evaluation of L. Growing in Trentino (Northern Italy) for Cosmeceutical Applications.
Plants (Basel)
December 2023
Department of Earth, Environment and Life Sciences, University of Genova, Corso Europa 26, 16132 Genova, Italy.
Article Synopsis
- L. (Lamiaceae) is an aromatic herb native to North America, now cultivated in Northern Italy, known for its bright scarlet-red flowers.
- Since 2018, the flowering tops of this plant have been recognized in the Belfrit List of botanicals, but research on its crude extract is limited.
- This study found that the hydroglyceric extract (HGE) is richer in total phenols and flavonoids compared to the ethanolic extract (EE), suggesting its high potential for antioxidant and anti-inflammatory skincare applications.
Petunia dihydroflavonol 4-reductase is only a few amino acids away from producing orange pelargonidin-based anthocyanins.
Front Plant Sci
August 2023
Department of Agricultural Sciences, Viikki Plant Science Centre, University of Helsinki, Helsinki, Finland.
Anthocyanins are responsible for the color spectrum of both ornamental and natural flowers. However, not all plant species produce all colors. For example, roses are not blue because they do not naturally possess a hydroxylase that opens the pathway for delphinidin and its derivatives.
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