Feng, Tao published the artcileQuantitative structure-activity relationships (QSAR) of aroma compounds in different aged Huangjiu, Recommanded Product: Ethyl octanoate, the main research area is Huangjiu aged aroma compound quant structure activity relationship; AC’Scent Intl. Olfactometer; HS-SPME; Huangjiu; QSAR; olfactory threshold.
Huangjiu is a traditional wine in China with special taste and flavor. However, changes of aroma compounds during storage of Huangjiu remain unclear. In this study, aroma compounds in Jinse Nianhua Huangjiu of three different storage ages were qual. and quant. analyzed via headspace solid phase microextraction (HS-SPME) combined with gas chromatog.-mass spectrometry (GC-MS). Based on odor activity value (OAV), the most important aroma compounds were found to be esters, aldehydes, alcs., acids, ketones, phenols, and lactones. Even though the types of the aroma compounds were similar in different-aged Huangjiu, the concentrations of some compounds varied. Some aroma compoundsprime thresholds and OAV in Huangjiu were obtained by ACprimeScent Intl. Olfactometer. It showed the key aroma compounds in Huangjiu had a pos. correlation with their OAV instead of concentration Quant. structure-activity relationship (QSAR) models were developed to predict the flavor thresholds for alcs., acids, and esters in Huangjiu, with higher accuracy for alcs. (R2 = 0.978) and acids (R2 = 0.987). This study will provide valuable information to unveil the regulation of Huangjiu flavor from mol. basis. Practical Application : The built math. model enables to predict changes of aroma compounds in Huangjiu during storage, based on the relationship between the quantum structure parameters of those aroma compounds and the odor activity value of flavor chems. This research will contribute to simplifying the wine flavor anal. for wine industry and also help to identify the age of the Huangjiu for customers.
Journal of Food Science published new progress about Acids Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 106-32-1 belongs to class esters-buliding-blocks, name is Ethyl octanoate, and the molecular formula is C10H20O2, Recommanded Product: Ethyl octanoate.
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