David Iulia Gabriela, Popa Dana Elena, Buleandra Mihaela, Codreanu Silvia Nicoleta, Croitoru Lorelei, Iordache Laura Andreea, Noor Hassan
Department of Analytical Chemistry and Physical Chemistry, Faculty of Chemistry, University of Bucharest, Panduri Av. 90-92, District 5, 050663 Bucharest, Romania.
Department of Surgery, Faculty of Medicine, "Lucian Blaga" University Sibiu, Lucian Blaga Street 25, 550169 Sibiu, Romania.
Micromachines (Basel). 2023 Oct 19;14(10):1951. doi: 10.3390/mi14101951.
Ferulic acid (FA), a monohydroxycinnamic acid, is an antioxidant with multiple beneficial effects on human health, presenting also importance in the food and cosmetics industry. Its electrochemical behavior was investigated at the disposable and cost-effective pencil graphite electrode (PGE). Cyclic voltammetry emphasized its pH-dependent, diffusion-controlled oxidation. Using the optimized conditions (HB type PGE, Britton Robinson buffer pH 4.56) differential pulse and square-wave voltammetric techniques were applied for its quantitative determination in the range 4.00 × 10-1.00 × 10 mol/L FA. The developed methods were employed for the rapid and simple assessment of the FA content from a commercially available powder designed for cosmetic use.
阿魏酸（FA），一种单羟基肉桂酸，是一种对人体健康有多种有益作用的抗氧化剂，在食品和化妆品行业也具有重要意义。在一次性且经济高效的铅笔石墨电极（PGE）上研究了其电化学行为。循环伏安法强调了其pH依赖性、扩散控制的氧化过程。采用优化条件（HB型PGE，pH 4.56的 Britton Robinson缓冲液），应用差分脉冲和方波伏安技术在4.00×10⁻¹.00×10 mol/L FA范围内对其进行定量测定。所开发的方法用于快速、简单地评估一种市售化妆品用粉末中的FA含量。
