Results 81 to 90 of about 30,102 (202)

Trends in extraction and purification methods of Lignans in plant-derived foods

open access: yesFood Chemistry: X
Lignans are widely used as dietary supplements within health foods. However, excess addition of lignans can induce adverse reactions, therefore, it is necessary to develop rapid, effective, economical, and environmentally friendly extraction and ...
Yu-tong Yang   +4 more
doaj   +1 more source

Characterization of craft beer through flavour component analysis by GC-MS and multivariate statistical tools [PDF]

open access: yes, 2018
Beer is a rather popular drink and represents the most widely consumed alcoholic beverage in the world.The present research aims at characterizing the flavour profile of lager pilsner, the category of low fermentation beers most common in Europe.
Boccacci Mariani Maurizio   +2 more
core  

Research advances in sample pretreatment techniques for pesticide residues

open access: yesJournal of Chromatography Open
Pesticide residue analysis is fundamental to food safety and environmental protection, where sample pretreatment critically determines detection accuracy.
Jiarong Cui, Fengshou Dong
doaj   +1 more source

Headspace solid phase microextraction (spme) analysis of flavor compounds in wines. Effect of the matrix volatile composition in the relative response factors in a wine model [PDF]

open access: yes, 2001
The application of headspace solid phase microextraction (SPME) for flavor analysis has been studied. Headspace SPME sampling was tested for nine common wine flavor compounds in 10% (v/v) aqueous ethanol: linalool, nerol, geraniol, 3-methyl-1-butanol ...
Barros, António S.   +4 more
core   +1 more source

Influence of the Temperature on the Liquid–Liquid–Solid Equilibria of the Water + Ethanol + 1-Undecanol Ternary System [PDF]

open access: yes, 2015
Liquid–liquid (L–L), solid–liquid (S–L), and solid–liquid–liquid (S–L–L) equilibrium data for the water–ethanol–1-undecanol ternary system have been determined experimentally at (275.15, 278.15, 281.15, 288.15, and 298.15) K and atmospheric pressure ...
Boluda Botella, Nuria   +3 more
core   +2 more sources

Advances in Toxins and Narcotics Determination Techniques in China During 2013

open access: yesJournal of Forensic Science and Medicine, 2015
Recently, toxin and narcotics detection techniques have been developed in China. A number of new technologies have been applied. The pretreatment technologies such as solid-phase extraction (SPE) techniques, solid-phase microextraction (SPME) techniques,
Ling Zeng   +3 more
doaj   +1 more source

Introduction to the toxins special issue on LC-MS/MS methods for mycotoxin analysis [PDF]

open access: yes, 2017
Various filamentous fungi can produce secondary metabolites, whose biochemical significance in fungal growth and development has not always been fully clarified; however, some of these metabolites can cause deleterious effects on other organisms and are ...
, Aldo, Lagana' 
core   +2 more sources

Recent Trends in Microextraction Techniques Employed in Analytical and Bioanalytical Sample Preparation

open access: yesSeparations, 2017
Sample preparation has been recognized as a major step in the chemical analysis workflow. As such, substantial efforts have been made in recent years to simplify the overall sample preparation process.
Abuzar Kabir   +2 more
doaj   +1 more source

Sodium benzoate and potassium sorbate preservatives in food stuffs in Iran [PDF]

open access: yes, 2015
A high-performance liquid chromatography method was applied for the determination of the levels of benzoate and sorbate in 400 food samples, including pickled cucumbers, canned tomato pastes, sour cherry jams, soft drinks, fruit juices and dairy products
Akbari Azam, M.   +4 more
core  

New trends in sample preparation methods for the determination of flavour compound in beers.

open access: yesKvasný průmysl, 2002
The  most popular  sample preparation  methods for  the determination  of  flavour  compounds  in  beers are usually based  on  steam  distillation  or liquid-liquid extraction.
T. HORÁK   +4 more
doaj   +1 more source

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