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Food Science is the leading online resource for methods, applications, troubleshooting and training in the food science and technology industry..

 
 
 
 
 

Articles

Liquid-phase Microextraction in Food Analysis

Sample preparation has always been a crucial step of the whole analytical procedure since complex matrices cannot be analysed directly even with advanced analytical instrumentation. Extraction, clean-up as well as concentration of the target analytes are the main processes involved in sample preparation methods. In this respect, a large number of procedures have been developed so far.

 

Quantification of Aroma Compounds in Wine Based on The Automated Multiple Headspace In-Tube Extraction: Comparison of Release Behaviour in Different Wines

Multiple headspace in-tube extraction (ITEX) is a completely automatic solventless extraction technique for headspace sampling in which a headspace syringe with a needle body filled with a sorbent is used. The analytes are extracted from the sample headspace by repeatedly pumping it through the sorbent. The needle body is surrounded by a heater that is used for the thermal desorption of analytes into the injection port of a GC system. 

 

The Importance of Sample Preparation in Food Analysis

Across the world, food safety testing has become a growing concern as more and more contamination scares arise. Melamine in milk products, carbendazim in orange juice, fish tainted with PCBs, mercury-tainted milk powder and food supplements containing unauthorized food ingredients are just a few of the most recent alerts and scandals. 

 
 

Webinars

Reliable Identification of F&F Components by GC/MS and Linear Retention Indices and Multidimensional Chromatography

by Luigi Mondello (University of Messina, Italy)

This webinar will highlight the shortcomings of GC/MS analysis in the identification of F&F compounds when using a straightforward MS spectral database search. The effectiveness of including a linear retention index (LRI) filter, during the database search, will be demonstrated.

 
 

Applications

Analysis of a betel-nut foodstuff by direct thermal desorption

The food industry is becoming increasingly aware of the need to detect low-concentration compounds in complex matrices for both product safety and quality.

 
 

Technology

eLearning portals

Below you find a selection of free learning portals covering new technologies in the field of Liquid Chromatography. Click for access.  







eSeminars

Food Science has a track record of developing and broadcasting leading online events in the food analysis and safety sectors - below you will find links to some of these. All the events listed below are free to access - you just need to register to view on-demand:

Advances in Food Safety Analysis eSeminar – Processing, Packaging & Authenticity

This event comprised a series of talks including:

  • A Systematic Approach for the Assessment of Meat Authenticity using Bioinformatics, Targeted Peptide Biomarkers and High-resolution Mass Spectrometry

  • Mass Spectrometry Advancements for Routine Multi-Residue Analyses

  • Analytical Methods for the Integrity of Food

  • Meat Species Carry-over Occurs in Meat Processing Plants – Truth or Fallacy?

  • Meeting the Cleanup Challenges of QuEChERS: High-throughput Robotized SPE, Using a Zirconia-based Sorbent

  • Risk Assessment of Toxic Elements in Food using On-line Leaching and Ion Chromatography Coupled to Inductively Coupled Plasma Mass Spectrometry

REGISTER TO VIEW ON-DEMAND >>

1st 'Advances in Food Safety' eSeminar

This event comprised a series of talks including:

  • Analytical Approaches to the Analysis of Pesticides and Antibiotic Residues in Food
  • Rapid Methods for Mycotoxins Screening: The Food Industry Perspective
  • Analytical Challenges and Solutions in Trace Analysis Facing Food Safety Laboratories
  • Size-based element speciation of nanomaterials in food
  • Can a single gas chromatographic method measure the fatty acid contents of samples of different origins?
  • Application of APGC-MS/MS for determination of PCDD/Fs and PCBs in Feed and Food Matrices
  • and more...

REGISTER TO VIEW ON-DEMAND >>

2nd 'Advances in Food Safety' eSeminar

This event comprised a series of talks including:

  • Foodomics: Fundamentals and Applications
  • The Importance of Mass Spectrometry in Food Safety
  • GMO Analysis and Best Measurement Practice
  • The Use of Isotope Ratio Measurements in the Determination of Food Authenticity/Origin
  • Application of UPLC and µUPLC-MS/MS for the Detection of Marine Biotoxins
  • Reference Doses for Allergens in Foods and their Implications for Analysis
  • and more...

REGISTER TO VIEW ON-DEMAND >>

Self Paced Training

 

All courses displaying the Royal Society of Chemistry logo have undergone their rigorous accreditation programme. Each course has regular Q and A sessions to validate key learning objectives

Practical HPLC for Biopharmaceuticals

What does it cover?


“Practical HPLC for Biopharmaceuticals” explains chromatography in practical terms from the ground up. Here’s
what you’ll learn in this online course:
• The basics of isocratic and gradient HPLC
• Reversed phase and ion exchange HPLC
• HPLC equipment - from reservoirs/pumps to tubing/injectors to columns and detectors
• Understanding and overcoming common column problems
• Alternative modes: normal phase, HILIC and size exclusion
• Quantitation
• UHPLC
• Performance qualification
• Troubleshooting and diagnostics

HPLC Basics, Equipment, and Troubleshooting

What does it cover?

“HPLC Basics, Equipment, and Troubleshooting” explains chromatography in practical terms from the ground up.
Here’s what you’ll learn in this online course:
• The basic principles of HPLC
• The five fundamental HPLC modes
• The easy and logical way to adjust experimental variables to get a good separation
• The best approach to use for various chromatographic applications
• How to maximize column life
• Special techniques such as gradient elution, quantitation, and sample pretreatment
• The operating principles of each module in an HPLC system
• Proven techniques for systematic problem-solving and instrument maintenance 
• The most effective, timesaving, money saving approaches to preventing
common hardware problems and method failures.

Advanced HPLC Method Development Using Quality by Design

What does it cover?

The central tenant of Quality by Design (ICH Q8) is that quality cannot be tested into a product – instead it must be designed into the product. When the product is an HPLC method, QbD strategies can guide the development process to result in a standardized method development prcedure, more easily validated methods, and methods that are easier to use and adjust in routine applications.
“Advanced HPLC Method Development Using Quality by Design” is an intensive online class that teaches you strategy and technique to develop high-quality HPLC and UHPLC methods quickly and with confidence. You will learn a time-proven technique that walks you through the method development process a step at a time using sound chromatographic principles to help make the process more efficient. The techniques can be used as a stand-alone strategy or added to existing development procedures to help streamline the process. Because the same principles apply to HPLC and UHPLC, you can apply the same information for the development of UHPLC methods.


Introduction to Gas Chromatography

What does it cover?

The ‘Introduction to Gas Chromatography’ On-Line Tutorial is basic introduction to the theory and practice of gas chromatographic analysis. It is designed to bring GC users to a more comfortable and capable level of proficiency in instrument operation, optimization, and troubleshooting. Lessons are presented in a visually engaging and accessible manner through narrated on-line video presentations. In full recognition of the difficulty in setting large blocks of uninterrupted time for training; the lessons are presented in short segments that can be easily fit into even the busiest schedules.
• This course presents the basic processes and instrumentation involved with GC analysis.
• The level of material is specifically designed for GC users without extensive formal training.
• Applicable theory is covered to the extent that it helps guide best practices, method optimization and effective troubleshooting.


Intermediate Gas Chromatography

What does it cover?

The Intermediate Gas Chromatography tutorial is designed for GC users who have a fundamental understanding of how gas chromatography works and who are ready to develop a more in-depth understanding of the technique. As with the ‘Introduction to Gas Chromatography’ course, the ‘Intermediate Gas Chromatography’ course is organized into sections and modules. The sections focus on a given theme and the modular structure underneath exposes students to the information within time-effective sections. The ‘Intermediate Gas Chromatography’ course is a logical next step after completing the ‘Introduction to Gas Chromatography’ course.



LC-MS/MS for Chromatographers

What does it cover?

With the introduction of the mass spectrometer (MS) as a practical detector for a high-performance liquid chromatograph (LC or HPLC) in the early 1990s, LC-MS began to be used for routine applications. One form of LC-MS uses a tandem MS (LC-MS/MS), that has become the go-to instrument for quantitative analysis of drugs in biological matrices in the pharmaceutical laboratory. As they have become more widely used and understood, LC-MS and LC-MS/MS have found their way into environmental applications, synthetic chemistry, protein analysis, and many other areas. LC-MS/MS has moved from a technique available only to skilled experts in both HPLC and MS to a routine tool usable much as any other HPLC detector. You will find that this introductory course in LC-MS/MS will give you a good foundation of understanding the technique and how to use it in your daily work. We start out with an overview of different MS techniques, and focus in the majority of the course on the quadrupole mass spectrometer. You will learn how MS works, how ions are produced and fragmented. Sections focus on qualitative, as well as quantitative analysis. Each part of the process, calibration, tuning, sample preparation, HPLC method development, and MS method development are covered. Many tricks and techniques of practical use are presented.


Principles of HPLC Validation

What does it cover?


This class focuses on validating high-performance liquid chromatographic (HPLC) methods developed for the analysis of pharmaceutical drug substance (pure drugs), drug product (formulated drugs), impurities, and degradation products. It does not focus on bioanalytical methods (drugs in plasma or tissue) – for these, see additional material in Section 11 of LC-MS/MS for Chromatographers. Although the focus is on pharmaceuticals, the principles apply for most quantitative HPLC methods, such as environmental or general chemical analyses

Fundamentals of HPLC

What does it cover?


Fundamentals of HPLC covers the essentials that every scientist needs in order to make effective use of liquid chromatography
instrumentation:
• The basics of the chromatographic process
• Terms and definitions of chromatography
• How HPLC systems work
• Practical tips on preventive maintenance
• Principles of separation chemistry
• Why “reversed phase” is the standard separation technique
• The meaning of “gradients” and why they are used
• How to get the best quantitation
• and much more.



HPLC & UHPLC Troubleshooting: A Performance Qualification Approach

What does it cover?


“HPLC & UHPLC Troubleshooting: A Performance Qualification Approach” is an intensive online course that teaches you the ins and outs of solving problems that occur with your high-performance liquid chromatography (HPLC) and ultra-high pressure liquid chromatography (UHPLC) methods. You will learn how to qualify the performance of your HPLC or UHPLC using specific tests that also can be used for isolating existing problems. More importantly, you’ll learn how to prevent many of these problems from happening in the first place.

Introduction to Capillary Electrophoresis - Fundamentals and Operating Principles

What does it cover?

“Introduction to Capillary Electrophoresis” explains the fundamentals of CE from the ground up. The course comprises:
- The basic principles of capillary electrophoresis
- Ten different modes of CE, including CZE, CGE and cIEF
- Equipment and operational details
- Treatment of the capillary, the separation column
- Electrokinetic and hydrodynamic injection
- Multiple detection mechanisms
- Corrected peak areas explained
- How to get started with method development and how to predict the migration order
- Tips for successful implementation of CE in your lab




GC-MS for Operators and Developers

What does it cover?


‘GC-MS for Operators and Method Developers’ is specifically designed for GC users and operators. Fundamental
principles, when presented, are done so with a focus on the practical aspects and applications as might be
applied on a daily basis.
The ‘Intermediate Gas Chromatography’ course is a logical next step after completing the ‘Introduction to Gas
Chromatography’ course.


 
 

Determination of Persistent Organic Pollutants in Food/Feed Samples
by Jordi Diaz Ferrero (IQS School of Engineering, University Ramon Llull, Spain)

The talk will present the main characteristics of persistent organic pollutants and will focus on dioxins and PCBs and their analytical determination in food and feed.

 
 

Making Health and Safety Visible

Japan Food Research Laboratories, (JFRL, http://www.jfrl.or.jp/e/), one of the world’s largest and most diversified testing service providers, herewith introduces itself. JFRL can develop solutions to resolve clients’ diverse issues through providing accurate analytical data or technical advisory services to domestic and overseas clients.

 

Functional Foods

  • Analysis Items for the Functional Nutritional Food Ingredients
  • Dietary Fiber Analysis
  • Third Function of foods and food ingredients
  • New Japanese Functional Food Labelling
  • Our Proficiency and Expertise 
 

Food Safety

  • Chemical Contaminants
  • Identification of Foreign matter
  • Off flavor
  • Mycotoxin
  • Marine Biotoxins
  • Food Additives Analyses
  • Pesticide Residue Testing
 

Antibacterial and Antivirus

  • Antimicrobial Effectiveness Tests
  • Virus Inactivation Test
  • Airborne-Microbe Removal Performance Test
 
 

Featured Article

Evaluation of performance of Torulaspora delbrueckii, Williopsis saturnus and Kluyveromyces lactis in lychee wine fermentation

Evaluation of performance of Torulaspora delbrueckii Williopsis saturnus and Kluyveromyces lactis in lychee wine fermentation

Food Science Asia 2015 speaker Liu Shao Quan  reports on research conducted for the National University of Singapore. His research centres on the performance of various yeasts in lychee wine fermentation.