Jangho Lee et al.
Journal of separation science, 41(17), 3415-3423 (2018-07-20)
A rapid analytical method was developed for the determination of 4-methylimidazole from red ginseng products containing caramel colors by using dispersive liquid-liquid microextraction with in situ derivatization followed by gas chromatography with mass spectrometry. Chloroform and acetonitrile were selected as...
Min-Chul Jung et al.
Journal of food science, 82(10), 2526-2531 (2017-09-12)
The objective of this study was to determine the reduction of 4(5)-methylimidazole (4-MI) under various baking conditions. For 4-MI analysis, an analytical method using gas chromatography-mass spectrometry was developed. The developed method was validated with linearity (r A consumer awareness...
Sumin Lee et al.
Journal of food science, 81(1), T262-T267 (2015-12-15)
In this study, the effect of food additives such as iron sulfate, magnesium sulfate, zinc sulfate, citric acid, gallic acid, and ascorbic acid on the reduction of 4(5)-methylimidazole (4(5)-MI) was investigated using a soy sauce model system. The concentration of...
Wen-Huan Huang et al.
Nanoscale, 12(38), 19804-19813 (2020-09-24)
The hydrogen evolution reaction is a key half reaction for water electrolysis and is of great significance. Pt-based nanomaterials are promising candidates for HER electrocatalysts. However, the high price of platinum and poor durability impede their practical applications. Herein, a...
Chieu D Tran et al.
Journal of colloid and interface science, 510, 237-245 (2017-09-28)
A novel, one-pot method was developed to synthesize gold nanoparticle composite from cellulose (CEL), wool keratin (KER) and chloroauric acid. Two ionic liquids, butylmethylimmidazolium chloride and ethylmethylimmidazolium bis(trifluoromethylsulfonyl)imide were used to dissolve CEL, KER and HAuCl