Category

FoodLab

Quality Control in food processing and production is essential.

Metrohm provides a significant range of scientific instruments and applications designed especially for these industries. Manufactured by the most renowned companies in their field, the instruments are not only sold and serviced by Metrohm but customers in Australia and New Zealand can tap into the vast knowledge and experience of the world’s leading scientists using Metrohm’s on location support and service.

The importance of homogenisation for food testing

The importance of homogenisation for food testing

Meeting stringent standards for food production or quality control is heavily dependent on reproducible and representative sample preparation. Food products are available in a great variety of forms and consistencies and are usually inhomogeneous.  From detecting hazardous substances to finding nutritional values, homogeneous and representative samples are required to obtain...
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Citric acid in beverages

Simpler sample preparation. Faster analysis. Citirc acid is regularly added to carbonated beverages as it acts as a natural preservative while also improving taste. Of course, it is important to have enough citric acid to prolong shelf life and taste, while avoiding adding too much. Too much of anything is...
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Monitor specific analytes in juices and fruits

Monitor specific analytes in juices and fruits

Monitoring quality from the raw material to the final product is a vital requirement when processing juices and fruits. Spoilage, additives and ingredients  are analysed and the quality of the product is monitored. Quality control in the fruit and juice industry is performed in two main areas: Spoilage control and...
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Acrylamide in potato chips

Acrylamide in potato chips

The suitability of a potato to be used in chips/fries depends on the reducing sugars content (mainly glucose). The sugars lead to browning according to the Maillard reaction. Simultaneously the acrylamide amount increases. Maximum acceptable levels of reducing sugars depend on the end product. Enzymatic monitoring of reducing sugars in...
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Automated Interference-free Determination of Total Sulphites in Red Wine

Automated interference-free determination of total sulphites in red wine

Save time with fully automated Total SO2 measurement with the BioSystem Y15 Random Access Automatic analyser. Sulphites to preserve foods: The use of sulphites to preserve foods has been a regular practice in our culture for centuries. In wine, sulphite is a by-product of some fermentation reactions, but is also...
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Phosphate in Cola Drinks

Phosphate in cola drinks

Phosphoric acid (phosphate) concentration: When producing cola drinks it is important to follow the phosphoric acid (phosphate) concentration. Metrohm Process Analytics has various systems to monitor the phosphate concentration as at-line or on-line: At-Line: The at-line analyser system analyses phosphate concentration directly from the filled cans or bottles. Using the...
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Food and Wine Solutions from BioSystems S.A.

Food and Wine Solutions from BioSystems S.A.

Starting April 1, 2018 our portfolio with leading analytical solutions has been extended with food and wine specific analytical solutions from BioSystems S.A. The full range of FoodQuality and Enology reagents and instruments is now available at Metrohm Australia and at Metrohm New Zealand. We provide full support and service...
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Titration, a fast check for food grade oil quality

Cooking tasting a little off? Your oil may be the cause. From the obvious uses in frying food, to the small amounts added in baking recipes, oils are important to our diet and provide the basis for cooking in a range of cuisines. Rancid oil? One thing we don’t want...
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Preserving food is a fine line to manage

Preserving food is a fine line to manage!

Longer shelf life, yes please! At what cost? Processed foods contain a range of chemicals to improve the look, texture, taste and shelf life of the products. Polyphosphates, or phosphate salts, stabilize the pH of foods and prolong shelf life. Polyphosphates are also important for treatment of ground water. While...
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pH and Acidity in wine and other beverages

pH and acidity in wine…and other beverages

Look around in any winery or beverage manufacture and you will find a pH meter. In larger ones, you will also find a titrator. Why? Simply because pH and acidity have such a strong influence on the taste of wines and flavoured beverages that monitoring both is essential to ensure...
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Electrochemistry in the quality control of food and beverage packaging

Electrochemistry in the quality control of food and beverage packaging

The shelf life of foods and beverages depends to a great extent on the packaging material. Metals are ideally suited for this purpose, as they can be coated with different passivating food-grade layers. Nethertheless, electrochemical measurements such as impedance spectroscopy (EIS) are required to monitor the integrity of the sealing...
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How much artificial sweetener is too much?

How much artificial sweetener is too much?

Avoiding sugar has become a religion to many. This has been assisted by the rise in artificial sweeteners available and the number of products advertising “sugar free.” One of the common sources of artificial sweetener is the stevia plant, from which steviol glycosides are produced. For successful analysis, it is...
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