Analytical Tools for Food Analysis

A special issue of Separations (ISSN 2297-8739).

Deadline for manuscript submissions: closed (30 July 2018) | Viewed by 10051

Special Issue Editor


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Guest Editor
Dipartimento di Scienze Biomediche, Odontoiatriche e delle Immagini Morfologiche e Funzionali, University of Messina, - Polo Annunziata, c/o PanLab, Viale Annunziata, 98168 Messina, Italy
Interests: analytical methodologies applied to the chemical composition evaluation and nutritional properties determination of natural and processed foods; HPLC and UPLC; GC; supercritical fluid extraction (SFE); supercritical fluid chromatography (SFC); phtodiode array detection (PDA); mass spectrometry (MS); hyphenated techniques
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Special Issue Information

Dear Colleagues,

Recent analytical methodology advancements have brought a wider and deeper, qualitative and quantitative assessment of food compositions. Monodimensional and multidimensional chromatographic approaches, combined online with PDA and MS detection and online supercritical fluid extraction and supercritical fluid chromatographic systems with mass spectrometry detection, are examples of these advanced techniques. Knowledge of food composition and food safety are becoming very important issues and analytical methodologies capable of fast, accurate and possible “green” performances will be in greater demand.

The aim of the present Special Issue will be to present an overview of the most advanced analytical tools available in food analysis, considering approaches aimed at the determination of food phytonutrients, food contaminants and green chemistry approaches.

Dr. Daniele Giuffrida
Guest Editor

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Keywords

  • HPLC-MS
  • GC-MS
  • LCxLC
  • GCxGC
  • SFE-SFC MS
  • ICP-MS
  • EXTRACTION TECHNIQUES

Published Papers (2 papers)

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Research

6 pages, 408 KiB  
Article
Investigation of Hg Content by a Rapid Analytical Technique in Mediterranean Pelagic Fishes
by Giuseppa Di Bella, Roberta Tardugno and Nicola Cicero
Separations 2018, 5(4), 51; https://doi.org/10.3390/separations5040051 - 24 Oct 2018
Cited by 9 | Viewed by 4257
Abstract
Mercury (Hg) fish and seafood contamination is a global concern and needs worldwide sea investigations in order to protect consumers. The aim of this study was to investigate the Hg concentration by means of a rapid and simple analytical technique with a direct [...] Read more.
Mercury (Hg) fish and seafood contamination is a global concern and needs worldwide sea investigations in order to protect consumers. The aim of this study was to investigate the Hg concentration by means of a rapid and simple analytical technique with a direct Mercury Analyzer (DMA-80) in pelagic fish species, Tetrapturus belone (spearfish), Thunnus thynnus (tuna) and Xiphias gladius (swordfish) caught in the Mediterranean Sea. Hg contents were evaluated also in Salmo salar (salmon) as pelagic fish not belonging to the Mediterranean area. The results obtained were variable, ranging between 0.015–2.562 mg kg−1 for T. thynnus species, 0.477–3.182 mg kg−1 for X. gladius, 0.434–1.730 mg kg−1 for T. belone and 0.004–0.019 mg kg−1 for S. salar, respectively. The total Hg tolerable weekly intake (TWI) and tolerable weekly intake % (TWI%) values according to the European Food Safety Authority (EFSA) were calculated. The results highlighted that the pelagic species caught in the Mediterranean Sea should be constantly monitored due to their high Hg contents as well as their TWI and TWI% with respect to S. salar samples. Full article
(This article belongs to the Special Issue Analytical Tools for Food Analysis)
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10 pages, 413 KiB  
Article
Momilactones A and B: Optimization of Yields from Isolation and Purification
by Truong Ngoc Minh, Tran Dang Xuan, Ateeque Ahmad, Abdelnaser Abdelghany Elzaawely, Rolf Teschke and Truong Mai Van
Separations 2018, 5(2), 28; https://doi.org/10.3390/separations5020028 - 14 May 2018
Cited by 11 | Viewed by 5373
Abstract
Momilactones A and B (MA and MB, respectively) are phytoalexins and plant growth inhibitors available in rice husks. However, to date, the isolation and purification of the two compounds have been complicated, laborious, and less effective. The present study was conducted to establish [...] Read more.
Momilactones A and B (MA and MB, respectively) are phytoalexins and plant growth inhibitors available in rice husks. However, to date, the isolation and purification of the two compounds have been complicated, laborious, and less effective. The present study was conducted to establish a protocol to simplify and optimize quantities of MA and MB by combinations of ethyl acetate (EtOAc), distilled water, methanol (MeOH), temperature, and pressure for extractions. At a temperature of 100 °C, combined with EtOAc and MeOH 100%, MA and MB were enriched in greater quantities than non-treated rice husks, of which MB was much augmented than MA. The EtOAc extract obtained from samples dried at 100 °C for 1 h, then placed in MeOH 100% for 1 week, provided maximum yields of MA [58.76 µg/g dry weight (DW)] and MB (104.43 µg/g DW). The use of pressure effectively enhanced yields of MA (17.90–26.26 µg/g DW) and MB (40.78–71.0 µg/g DW). The actual purified amounts of MA and MB increased by 5 and 15 folds, respectively. The use of either sole distilled water or MeOH ≤ 50% at any temperature did not successfully isolate both MA and MB. The yield optimization aids to easier and more productive purification of the two compounds, and thus extends researches on biological activities of MA and MB, including pharmaceutical and medicinal properties. Full article
(This article belongs to the Special Issue Analytical Tools for Food Analysis)
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