scholarly journals Liquid Chromatography Analysis of Common Nutritional Components, in Feed and Food

Foods ◽  
2018 ◽  
Vol 8 (1) ◽  
pp. 1 ◽  
Author(s):  
Carolina Cortés-Herrera ◽  
Graciela Artavia ◽  
Astrid Leiva ◽  
Fabio Granados-Chinchilla

Food and feed laboratories share several similarities when facing the implementation of liquid-chromatographic analysis. Using the experience acquired over the years, through application chemistry in food and feed research, selected analytes of relevance for both areas were discussed. This review focused on the common obstacles and peculiarities that each analyte offers (during the sample treatment or the chromatographic separation) throughout the implementation of said methods. A brief description of the techniques which we considered to be more pertinent, commonly used to assay such analytes is provided, including approaches using commonly available detectors (especially in starter labs) as well as mass detection. This manuscript consists of three sections: feed analysis (as the start of the food chain); food destined for human consumption determinations (the end of the food chain); and finally, assays shared by either matrices or laboratories. Analytes discussed consist of both those considered undesirable substances, contaminants, additives, and those related to nutritional quality. Our review is comprised of the examination of polyphenols, capsaicinoids, theobromine and caffeine, cholesterol, mycotoxins, antibiotics, amino acids, triphenylmethane dyes, nitrates/nitrites, ethanol soluble carbohydrates/sugars, organic acids, carotenoids, hydro and liposoluble vitamins. All analytes are currently assayed in our laboratories.

2019 ◽  
Vol 366 (Supplement_1) ◽  
pp. i83-i88
Author(s):  
F Bourdichon ◽  
S Laulund ◽  
P Tenning

ABSTRACT In order to provide a harmonised preassessment to support risk assessment performed by the European Food Safety Authority (EFSA), the Biohazard Panel in 2007 published guidelines for evaluation of the safety of a strain included in the food chain, the Qualified Presumption of Safety (QPS). Since 2008, the Biohazard Panel has published on a regular basis an update of the microbial strains submitted for approval and extends the list of species which have been granted QPS status. The International Dairy Federation (IDF) and the European Food and Feed Cultures Association (EFFCA) have, since 2002, been conducting a project on the safety demonstration of microbial food cultures (MFCs). Following the publication of IDF Bulletin 377–2002, an inventory of MFCs was published in IDF Bulletin 455–2012 and updated most recently in IDF Bulletin 495–2018. These two lists developed by EFSA (QPS) and IDF/EFFCA both propose as an outcome an inventory of microbial species that are safe for human consumption. To avoid confusion when these two inventories are compared, this review attempts to explain the rationale that was used to develop them and explain how the two lists should be understood.


1974 ◽  
Vol 52 (12) ◽  
pp. 2447-2452 ◽  
Author(s):  
D. V. Phillips ◽  
A. E. Smith

Gas–liquid chromatographic analysis of the trimethylsilyl ethers of the ethanol (90%)-extracted carbohydrates (soluble carbohydrates) from soybean (Glycine max) plants demonstrated the presence of major quantities of O-methylinositol, glucose, fructose, and sucrose, minor quantities of myo-inositol, and two unidentified components. In leaf blades and petioles of 6-vveek-old plants, O-methylinositol accounted for more than 50% of the total soluble carbohydrates present.


2021 ◽  
Vol 90 (4) ◽  
pp. 453-464
Author(s):  
Josef Václavík ◽  
Pavla Sehonová ◽  
Zdeňka Svobodová

The sediment pollution of the aquatic environment by waste due to anthropogenic activity is of an increasing concern. The contaminants coming from the aquatic environment can enter the aquatic food chain and accumulate in the tissues of fish and shellfish used for human consumption. The aim of this study was to sum up the current level of knowledge concerning the pollution of aquatic sediments and its transfer to aquatic foods as well as to indicate whether such contamination has the potential to affect the health and welfare of aquatic organisms as well as the quality and safety of the species intended for human consumption. Based on the results of scientific studies, the European Food Safety Authority, and the Rapid Alert System for Food and Feed, contamination of fish and seafood occurs predominantly through their diet and the levels of bioaccumulative contaminants are higher in fish which rank higher in the food chain. Contamination of aquatic habitats can not only significantly affect behavior, development, and welfare of aquatic organisms, but it can also affect the safety of fish and seafood for human consumption.


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