Abstract：
:A detailed molecular flavor profile was necessary to understand the low acceptance of soy drink by Western consumers. Accordingly, key odor-active compounds were detected by means of aroma dilution analyses coupled with gas chromatography-mass spectrometry-olfactometry after application of suitable solvent-free volatile extraction techniques. Four quantification methods (standard addition, external calibration, internal standard, and stable isotope dilution assay) were developed and validated to measure the concentrations after direct immersion-stir bar sorptive extraction. The quantitative methods provided correctness between 97% and 111% and precision ranging from 78% to 99% for the 21 key odorants. Considering the advantages to be efficient, easy to perform and cheap, internal standard method was further applied to four commercially available soy drinks in Germany. Correlated to a sensory acceptance test (n = 52) contents of 1-octen-3-one, (E,E)-2,4-decadienal and 2-methoxy-4-vinylphenol were suggested to be linked to the aversion of Western consumers to soy drink.
journal_name
Talantajournal_title
Talantaauthors
Nedele AK,Mayer N,Feller N,Hinrichs J,Zhang Ydoi
10.1016/j.talanta.2021.122251keywords:
["Consumer preference","DI-SBSE-GC-MS-O","Key odorants","Quantification","Soy drink","Validation"]subject
Has Abstractpub_date
2021-07-01 00:00:00pages
122251eissn
0039-9140issn
1873-3573pii
S0039-9140(21)00172-7journal_volume
229pub_type
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