scholarly journals High-intensity ultrasound promoted the aldol-type condensation as an alternative mean of synthesizing pyrazines in a Maillard reaction model system of D-glucose-13C6 and L-glycine

2022 ◽  
pp. 105913
Author(s):  
Ruyue Zhang ◽  
Yilong Zhang ◽  
Yating Sun ◽  
Hang Yu ◽  
Fangwei Yang ◽  
...  
2017 ◽  
Vol 10 (11) ◽  
pp. 1984-1996 ◽  
Author(s):  
Hang Yu ◽  
Ming Ze Mitchell Keh ◽  
Yi-Xin Seow ◽  
Peter K.C. Ong ◽  
Weibiao Zhou

2020 ◽  
Vol 317 ◽  
pp. 126458 ◽  
Author(s):  
Hang Yu ◽  
Qili Zhong ◽  
Yunfei Xie ◽  
Yahui Guo ◽  
Yuliang Cheng ◽  
...  

2006 ◽  
Vol 89 (1) ◽  
pp. 149-153 ◽  
Author(s):  
Ahmed H El-Ghorab ◽  
Kazutoshi Fujioka ◽  
Takayuki Shibamoto

Abstract A gas chromatographic method, along with a headspace solid-phase microextraction (HS-SPME), was developed for the determination of acrylamide formed in Maillard reaction model systems. The developed method was validated by liquid chromatography/mass spectrometry. A headspace sample was collected from an aqueous acrylamide solution (100 μg/mL) by SPME and directly injected into a gas chromatograph equipped with a nitrogen-phosphorus detector. The recovery of acrylamide from an aqueous solution was satisfactory, i.e, >93% under the conditions used. Acrylamide formed in an asparagine/d-glucose (molar ratio, 1/2) Maillard reaction model system heated at 150 and 170C for 20 min was collected and analyzed by the newly developed method using gas chromatography with nitrogen-phosphorus detection and HS-SPME. The amounts of acrylamide were 318 33 μg/g asparagine from a sample heated at 150C and 3329 176 g/g asparagine from a sample heated at 170C. Addition of cysteamine or glutathione to the above model system reduced acrylamide formation. Acrylamide formation was not observed when cysteamine or glutathione was added to asparagine in the above model systems to obtain equimolar concentrations of both compounds. This newly developed method is simple and sensitive, and requires no solvent extraction.


2019 ◽  
Vol 67 (28) ◽  
pp. 7961-7967 ◽  
Author(s):  
Lipeng Han ◽  
Qingna Lin ◽  
Guoqin Liu ◽  
Dongxue Han ◽  
Li Niu ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document