Food Addit. Contam. Part A. 40, 1495-1530 (2023). Review of common screening techniques for the detection of 112 unapproved phosphodiesterase type 5 inhibitors found as adulterants in sexual enhancement dietary supplements, including HPTLC. Combination of HPTLC with other non-chromatographic techniques were also described.

Trends Anal. Chem. 167, 117276 (2023). Review of extraction and chromatographic methods to evaluate active forms of fat-soluble vitamins in various matrices, including HPTLC for the analysis of vitamins K, D, carotenoids in pharmaceutical products, dietary supplements and complex matrices.

Trends Anal. Chem. 168, 117362 (2023). Review of functional and non-functional assays in the study of acetylcholinesterase (AChE) ligand discovery, including HPTLC for the assessing of AChE inhibition and for monitoring of ChE activity.

Phytochem. 215, 113854 (2023). HPTLC of rutin (1), isoquercitrin (2), gallic acid (3) and phyllanthin (4) on silica gel with ethyl acetate - water - formic acid 15:3:2 for (1) to (3) and toluene – ethyl acetate - formic acid 69:30:1 for (4). Detection by spraying with Natural Product Reagent and polyethylene glycol. Quantitative determination by absorbance measurement at 366 nm. The hRF values for (1) to (4) were 35, 64, 96 and 44, respectively. Linearity was in the range of 100-5000 ng/zone for (1) and (2), 500-5000 ng/zone for (3) and 10-500 ng/zone for (4). Intermediate precisions were below 2 % (n=3). Recovery was 98.5 % for (1), 101.7 % for (2), 100.1 % for (3) and 99.8 % for (4). 

Phytochem. 214, 113798 (2023). Review of the distribution of artemisinin in underutilized crops of Artemisia genus, including TLC and HPTLC methods for the analysis of different plant species.

J. Food Compos. Anal. 126, 105835 (2024). HPTLC of putrescine (1), spermidine (2), and spermine (3) on silica gel with chloroform - triethyl amine 4:1. Quantitative determination by absorbance measurement at 254 nm. Linearity was in the range of 0.2-0.8 mg/mL for (1), 0.1-1 mg/mL for (2) and 0.1-0.8 mg/mL for (3). Intermediate precisions were below 4 % (n=3). LOD and LOQ were 0.07 and 0.21 mg/mL for (1), 0.03 and 0.11 mg/mL for (2) and (3). Recovery was in the range of 96.9-109.4 % for (1), 90.1-109.1 % for (2) and 95.9-109.9 % for (3).

Food Control. 155, 110042 (2024). Review of common saffron adulterants and methods for identifying and quantifying these adulterants, including TLC and HPTLC methods for the identification of synthetic water-soluble acidic colourants.

Food Chem. 432, 137145 (2024). HPTLC of glucose (1), maltose (2) and maltriose (3) released from 10 flour samples with the enzymatic (human salivary α-amylase and porcine pancreatic α-amylase in a pancreatin enzyme mixture) and calcium chloride solution, pre-conditioned for 30 min in 70 % relative humidity with saturated sodium carbonate decahydrate solution. Before starting the enzyme reaction by wetting the application area, the upper plate part was covered with another smaller plate, which was sprayed with 2.5 mL 0.1 M sodium chloride solution to start the enzyme reaction, followed by incubation at 37 °C for 60 min. The plate was developed with acetonitrile - water - 2-propanol - acetone 12:3:4:1 or acetonitrile - water - 2-propanol 3:1:1. Detection by spraying with p‑aminobenzoic acid reagent (2 g p-aminobenzoic acid in 252 mL glacial acetic acid - water - acetone - o‑phosphoric acid 25:25:75:1), followed by heating at 140 °C for 5 min. Chromatograms were documented at 366 nm and the fluorescence was measured densitometrically at 366/>400 nm. Linearity was in the range of 5-800 ng/zone for (1), 10-950 ng/zone for (2) and 47-565 ng/zone for (3). Intermediate precisions were below 16 %. Mean recoveries were between 111 and 112 % for (1) and 106 and 115 % for (2).