About: Test Paper for Colorimetric Inspection of Fatty Acids and Edible Oils

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Test Paper for Colorimetric Inspection of Fatty Acids and Edible Oils
Creator	Zhang, Feng Jie, Xu Wang, Xiaojie Wei, Weili
source	PMC
abstract	Fatty acids (FAs) are of interest to the areas of food science and medicine because they are important dietary sources of fuel for animals and play important roles in many biological processes. The health effects of FAs are different due to the diversity of olefinic bonds in the alkyl chains including number, position and configuration. However, the discrimination of FAs is difficult from a chemical sensing perspective due to the lack of diversity in terms of functional groups. Until now, only a few chemosensors have been developed for selective sensing of FAs based on their overall shape, however they are still limited in discrimination of FAs with subtle structural differences, moreover, they cannot be used for rapid and in situ inspections. Herein, for the first time, we designed a test paper for in situ colorimetric inspection for FAs based on the combination of the highly selective binding of Ag(+) to olefinic bonds and Ag(+) mediated color variation of 3,3′,5,5′,-tetramethylbenzidine. As a result, the sensor exhibited high sensitivity and good selectivity for five FAs with subtle structural differences. Furthermore, our method described herein was successfully applied to monitor the structural variations of FAs and quality changes in mixture edible hot pot oils with heat treatment in time course. Hence, the test paper presented herein holds great potential in the inspection of fats and edible oils in food industries.
has issue date	2018-09-27(xsd:dateTime)
bibo:doi	10.3390/s18103252
bibo:pmid	30262762
has license	cc-by
sha1sum (hex)	5ec99e67f23c0c2795fad1ad551ab1abe4406841
schema:url	https://doi.org/10.3390/s18103252
resource representing a document's title	Test Paper for Colorimetric Inspection of Fatty Acids and Edible Oils
has PubMed Central identifier	PMC6210129
has PubMed identifier	30262762
schema:publication	Sensors (Basel)
resource representing a document's body	covid:5ec99e67f23c0c2795fad1ad551ab1abe4406841#body_text
is schema:about of	named entity 'PAPER' named entity 'fats' named entity 'color' named entity 'inspection' named entity 'animals' »more»

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