Volumetric, UV–Visible, and computational analysis of molecular interactions between L-ascorbic acid and L-histidine in aqueous solutions
學年 111
學期 1
出版（發表）日期 2023-01-15
作品名稱 Volumetric, UV–Visible, and computational analysis of molecular interactions between L-ascorbic acid and L-histidine in aqueous solutions
作品名稱（其他語言）
著者 Khajuria Deepika Amirchand; Tarlok S. Banipal; Yan-Ling Yang; Vickramjeet Singh
單位
出版者
著錄名稱、卷期、頁數 Journal of Molecular Liquids 370, 120839
摘要 In this work, we have performed the physiochemical, spectroscopic, and computational analysis of L-ascorbic acid (AA) in aqueous solutions of L-histidine (L-His). The physicochemical properties were evaluated by measuring density and speed of sound of AA in (0.01, 0.04, 0.08, and 0.12) mol.kg−1 aqueous L-His at temperatures (298.15 to 313.15) K. UV–Visible absorbance of AA was recorded by varying the concentration of L-His and the electrostatic interactions among these components were also evaluated by molecular dynamics. Derived thermodynamic parameters such as apparent molar volumes (V2ϕ), apparent molar isentropic compressibilities (Ks,2,ϕ), partial molar volumes and partial molar compressibilities at infinite dilution (V2° and K°s,2), Helper’s constants were calculated from density and speed of sound data. The experimental and computational results indicate the presence of strong hydrophilic-ionic types of interactions between AA and L-His in aqueous solutions. Studies of these interactions can help in understanding solvation behaviour of ascorbic acid, which is responsible for food flavoring and aroma owing to formation of Maillard reaction products.
關鍵字 L-ascorbic acid;L-histidineVolumetric properties;Molecular dynamics simulations;Imidazole ring
語言 en
ISSN 0167-7322;1873-3166
期刊性質 國外
收錄於 SCI
產學合作
通訊作者
審稿制度 否
國別 NLD
公開徵稿
出版型式 ,電子版,紙本
相關連結

機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/123280 )