Food Safety & Regulations
Determination of Arsenic in Baby Foods and Fruit Juices by GFAAS Chronic exposure to arsenic can lead to cancers of the skin, bladder and kidney, as well as cause neurological issues and cardiovascular disease. Our scientists have developed reliable methods for determining how much arsenic is in baby foods and juices.
Determination of total mercury in fish and agricultural plant materials using thermal decomposition and amalgamation coupled with AA This application note will focus on a rapid test method for determining mercury directly in food materials and agricultural crops using the principles of thermal decomposition, amalgamation and detection by atomic absorption described in EPA Method 7473 and ASTM Method 6722-01.
Determination of Nickel in fats and oils Vegetable fats and oils can, through the use of hydrogenation, be transformed into fats and oils of greater molecular weight. Although very useful, this process requires that nickel be used as a catalyst, which in turn necessitates that a method is developed to estimate the residual nickel levels after conversion.
Assuring safety of traditional Chinese herbal medicines by monitoring inorganic impurities using ICP-MS Traditional Chinese herbal medicines (TCHMs) originated thousands of years ago and have been modernized to some degree by transforming the plants and ingredients to solutions, soluble granules and tablets. Due to differences in the plants’ growing environments and nature of the soil, there are large variabilities in the effectiveness of plants used as TCHM.
The determination of metals in dietary supplements Usually your daily multivitamin consists mostly of organic compounds but vitamin B-12 and minerals like selenium include metals and some metals are considered contaminants. The four elements sometimes found in supplements that are generally considered to be hazardous and not necessary for nutrition are lead, cadmium, arsenic and mercury.
The determination of toxic, essential and nutritional elements in food matrices using NexION 300 ICP-MS ICP spectrometry, due to its elemental and dynamic range, is in some ways an ideal tool for food analysis. With its extended dynamic range capability, it can measure low-level and macro-level contaminants at ultratrace levels. However, the wide range of biological matrices it needs for analysis can make it difficult to perform . NexION 300X ICP-MS can alleviate some of these difficulties.
The determination of Pb in calcium-based antacid and dietary supplements using the NexION 300 ICP-MS system to comply with the state of California´s proposition 65 legislation Determining lead in various antacids and dietary supplements using the NexION 300 ICP-MS. In particular, the Pb detection limit capability will be assessed, together with the ability to carry out spiked addition recoveries.
The preparation and analysis of polycyclic aromatic hydrocarbons in meat by GC/MS Polycyclic aromatic hydrocarbons (PAHs), which can be found in the environment and various foods, were recently identified by the European Union as being "probably carcinogenic." Therefore, PerkinElmer devised a method for the extraction of PAH from meat samples using GC/MS techniques.
The analysis of baby foods and juices for metals to protect a sensitive population Small children and babies are an especially vulnerable population to nutritive contamination. The effects of dangerous metal exposure are high for a developing brain, and therefore most countries have determined acceptable levels of these contaminants in those goods designed for infants. This application note details the process of identifying these substances and the detection limits associated with different sample preparation techniques.
The determination of Iodine in food with the ELAN DRC-e ICP-MS As a key element in metabolism and the development of the brain, iodine is an exceedingly important element in nutrition. This application note measures iodine in common food sources using the ELAN ICP/MS.
Analysis of total Mercury in Chinese spice mixtures using flow injection cold vapor AAS Spices heighten the taste, aroma and texture of a meal, and are appreciated accordingly. But many of these spices contain significant levels of trace metals like mercury, which is toxic to the human body. This app note details a process for determining the mercury levels in various Chinese spices.
Analysis of As, Cd and Pb in Chinese spice mixtures using graphite furnace AAS Spices heighten the taste, aroma and texture of a meal, and are appreciated accordingly. But many of these spices contain significant levels of trace metals like mercury, which is toxic to the human body. This app note details a process for determining the mercury levels in various Chinese spices.
Determination of furan in food by GC/MS and Headspace sampling Furan is a chemical now found in many types of food and drink, including baby and infant foods. Unfortunately, it is currently under investigation by the FDA for possible carcinogenic effects. This app note demonstrates a method for rapidly identifying furan in food samples.
Analysis of common sweeteners and additives in beverages with Flexar FX-15 with PDA detector The use of artificial sweeteners is regulated in most countries. In the U.S., artificial sweeteners are part of the Generally Recognized As Safe (GRAS) ingredients. However, the FDA has established an Acceptable Daily Intake (ADI) for all sweeteners. Therefore manufacturers are required to list the type and amount of sweeteners on a food label.
Analysis of the Mycotoxin Patulin in Apple Juice Using the Flexar FX-15 UHPLC-UV As a substance produced by various molds, patulin is toxic to humans. When apple juice is made with moldy apples, the patulin is absorbed into the juice, making it dangerous for human consumption. This application demonstrates a method for identifying and quantifying patulin in apple juice samples.
Rapid Authentication of Larch Fiber Dietary Supplement Ingredient by FT-IR Using Bounce uATR Sampling Device Diamond Single Due to the complex botanical material in Larch fiber it does not lend itself to easy identification. In order to comply with the new Dietary Supplement current Good Manufacturing Practices (cGMP's), all dietary ingredients must be identified.
The Determination of Low Levels of Benzene, Toluene, Ethylbenzene, Xylenes and Styrene in Olive Oil Using a TurboMatrix HS and a Clarus SQ 8 GC/MS When it became apparent that olive oil was at risk of chemical contamination from vehicle and paint emissions, the need to develop a means to identify and quantify these substances became clear. This application details a simple method for the highly accurate detection of these common contaminants.
Accurate Determination of Lead in Dairy Products by Graphite Furnace Atomic Absorption Due to the continued problem of milk contamination, the need for the rapid and effective detection of substances still remains. However, due to the relatively complex matrix it is a difficult task. This application changes that by outlining a simple means of preparing the sample which is quick and reduces the risk of inadvertent contamination.
The Determination of Toxic, Trace, and Essential Elements in Food Matrices using THGA Coupled with Longitudinal Zeeman Background Correction From vitamins and minerals to toxic chemicals, trace ingredients in food can have wide ranging effects on the body. That's why it's important that testing labs have an accurate and high throughput method for the detection of these trace elements. Using GFAAS this application note details just such a process.
Quantification of essential metals in spice mixtures for regulatory compliance using flame AAS Due to the increasing complexity of food manufacturing, rapid detection at ever-smaller levels is becoming more and more necessary. This application note utilizes FAAS trechnology to detail a low-cost, high efficieny method for rapid analysis.
Analysis of Pb, Cd and As in tea leaves using graphite furnace AAS Despite being an incredibly widely consumed substance, tea leaves are not typically approached with the same scrutiny as many other food products, despite there being ample opportunity for contamination from fertilizers and pesticides. This application note details a method for detecting this miniscule analytes using GFAAS technology.
Toxic trace metals in edible oil by graphite furnace AAS While edible oils are typically low in toxic contaminants, from time to time they are found to contain various metals, and if these metals are consumed in large enough quantities they can be highly dangerous. It is therefore necessary to analyze these oils for these agents, and this application note does so using GFAAS.
Simultaneous analysis of nine food additives with the PE Flexar FX-15 system equipped with a PDA detector Food additives are now used across the globe, to preserve taste, to reduce sugar and calorie consumption, along with a myriad of other functions. Their use is regulated in the US, which is why it is important that methods exist to identify and quantify them.
Analysis of Pb, Cd and As in spice mixtures using graphite furnace AAS While spices are used widely in food production, they are still at risk of toxic contamination by metals occurring at minute concentrations. This application details a GFAAS method for detecting and quantifying these substances.
Fungicide on Apple Peel Who doesn't love a juicy apple? Read here to find out how to perform an analysis for fungicides on apple peels in under 15 seconds.
Fungicide on lemon peel (Application Brief) Trying to cook with some lemon zest? Click here for an example 15 second analysis of the pesticides on a sample lemon peel.
Fungicides on oranges (Application Brief) Just how clean is that orange? Click here to view our 15 second analysis of the fungicides on an orange peel.
Malathion on peaches (Application Brief) Is that peach as clean as it looks? Click here to see the results of our 15 second insecticide analysis.
Melatonin in Lazy Cake® (Application Brief) Struggling to sleep? Many people with this problem are turning to Lazy Cakes with success - but why do they work? Click here to see the results of our analysis and find out!
Resveratrol in red wine (Application Brief) Feeling guilty about that glass of wine? Read this sample analysis to learn what beneficial antioxidant you might be consuming.
Sterols in olive oil (Application Brief) Certain sterols are believed to lower cholesterol levels - click here to see the results of our olive oil analysis for sterols.
Sweeteners in diet cola (Application Brief) Almost every soda widely available today has a "diet" option in which artificial sweeteners are used as a substitute for sugar. Click here to see our analysis of sweeteners in a popular diet soda.
The Analysis of Common Antioxidants in Edible Oil with the PerkinElmer Flexar FX-15 System Equipped with a PDA Detector Phenolic antioxidants and ascorbyl palmitate are commonly used in food to prevent the oxidation of oils. Oxidized oils will cause foul odor and rancidity in food products. This application note presents a UHPLC analysis of edible oils to determine the type and amount of ten different antioxidants.
DEHP in Mango Juice To alter the appearance of various fruit juices, DEHP, a susbtance banned by the EU, has been used by some juice manufacturers. See the results of our 15 second analysis for DEHP here.
Qualitative Evaluation of Aroma-Active Compounds in Grape and Grape-Derived Products by Means of Headspace SPME-GC/MS Analysis From wine to juice to vinegar, grapes are used for a multitude of products. Their flavor profiles arise from various classes of aromatic compounds - patterns of which this application investigates.
Pesticides in Lettuce Due to the ubiquity and dangerous nature of crop pesticides, the US and the EU, along with numerous other countries have imposed regulations on acceptable levels of detectable pesticide residue. Click here to find a QuEChERS method for detecting and measuring pesticide levels in lettuce.
Quantitation of BADGE: An Epoxyphenol-based Food Can Coating in Canned Tuna Extracts Using UHPLC-TOF Because of the potential for exposure to the metal, the interior of food cans are typically coated in a resin. Unfortunately, this resin can sometimes permeate into the food, presenting a safety risk. In response regulations regarding maximum acceptable levels of contamination have been established.
Rapid Screening and Quantitation of Postharvest Fungicides Thiabendazole and Imazalil are the major post-harvest fungicides used on the surface of citrus fruits. These substances have toxicitiy in higher doses, with effects such as liver and intestinal disorders and carcinogenic effects.
Olive Oil Reference Book Olive oil is the product of transformation obtained from the olive fruit (Olea europaea).
Liquid Chromatography: Food Dyes - Chromatographic Conditions A variety of food and other applications are shown.
Liquid Chromatography Testing of BPA in Plastics Simple and robust test methods are needed to determine the presence and amount of BPA in plastic materials. This paper will present the extraction and HPLC analysis of children's products for BPA.
Rapid Quantification of Aflatoxins in Corn by HPLC with Kobra Cell Derivatization and Fluorescence Detection This application brief describes a specific, robust HPLC method for the low-ppb detection of aflatoxins B1, B2, G1 and G2 in corn.
Reduced Solvent Usage in Increased Throughput for PAH Analysis Using UHPLC Using Ultra High Pressure LC (UHPLC) with sub-2 ¼ particle-size columns, we demonstrate a 3-fold improvement in throughput and a 90% reduction of mobile phase solvent in the determination of 19 PAHs.
The Application of GC/MS to the Analysis of Pesticides in Foodstuffs GC/MS method, allowing for the quantification of low-level pesticides with SIM, while simultaneously performing quantification of higher concentrations using full-scan acquisition (SIFI single ion and full ion scanning). It also demonstrates the throughput benefits of fast GC oven cool-down.
Analysis of Organophospohorus and Organonitrogen using GC/MS with Selected Ion Recording - Herbicides in Water Laboratories monitoring trace level pesticides and herbicides by gas chromatography/mass spectrometry (GC/MS) frequently utilize Selected Ion Recording (SIR) techniques to maximize analytical sensitivity for quantification.
The Inorganic Analysis of Toys and Food for Safety Reprinted from American Laboratory On-Line Edition. The analysis of a variety of food types and toys for inorganic contaminants will be examined in the context of U.S. regulations.
TG-GC/MS Technology Enabling the Analysis of Complex Matrices in Coffee Beans Combining TGA with gas chromatography mass spectrometry (GC/MS) allows for a more complete characterization of the material under analysis and precisely determines the products from the TGA.
Fast Analysis of Fat Soluble Vitamins Using Flexar FX-10 and Chromera CD10 This application note will present a fast and robust method for the determination of fat-soluble vitamins using UHPLC.
Metal impurities in pharmaceuticals and dietary supplements - implementing ICP-MS for USP <232> and Prop 65 This work demonstrates a sample preparation procedure and analysis scheme which not only complies with the new proposed standards, but will take the modern analytical laboratory into the next decade.
The Analysis of Trace Metals in Fruit and Juice Products using Dual-View Plasma How much of a nutrient metal (mineral) is present and is the product properly labeled, authentic, comply with trade laws, and safe to eat? Discussion of the major issues and analysis using ICP-OES are included in this note.
Fast Analysis of Fat-Soluble Vitamins Using Flexar FX-10 and Chromera CDS This application note will present a fast and robust method for the determination of fat-soluble vitamins using UHPLC.
The nutritional analysis of corn products This report discusses an Inductively Coupled Plasma-Optical Emission Spectroscopy (ICP-OES) method for the determination of NLEA metals and minerals in corn products.
The nutritional analysis of fruit juices This report discusses an Inductively Coupled Plasma-Optical Emission Spectroscopy (ICP-OES) method for the determination of NLEA metals and minerals in juice.
Atrazine in water (Application Brief) The pesticide atrazine is a contaminant found on surface and drinking water, detect it quickly with DSA TOF MS.