Food & Beverage Analysis Compact Bench Scales Ideal for Harsh and Wet Environment Food Processing Applications
Ohaus Corporation, a leading worldwide manufacturer of scales and balances, announces the launch of the Valor™ 4000 and Valor 2000 lines of compact bench scales. Valor 4000 and 2000 display results in less than half a second, producing accurate results almost instantly while increasing productivity in the workplace. Valor 4000’s four application modes include weighing, percentage weighing, check weighing and accumulation and can meet the various weight determination needs of retail locations such as bakeries and delicatessens, which require legal-for-trade operation. Valor 2000 provides accurate weight determination and checkweighing on select models, and is ideal for basic food processing applications that solely require fast and accurate weighing results.
Both models feature a FlowThru™ design and IPX8 construction that make the scales ideal for weighing liquids or working in wet environments and when sanitation is extremely important. The food-safe design is also NSF Certified, USDA-AMS Accepted and supports HACCP-Certified systems. The highly durable 0.5 mm polycarbonate or stainless steel housing protects the scales when they come in contact with sharp object such as knives, scissors, and other kitchen tools. The four keys on the Valor 4000 and two on the Valor 2000 can be safely pressed with a knife or other sharp object. Boasting the largest dual LED displays in its class, the Valor 4000 and Valor 2000 can be utilised by two operators. The Valor 4000 also boasts a touchless, infrared sensor in the rear of the scale to offer hands-free operation of the tare function for the second operator and reduces the risk of food contamination on the scale.
29210pr@reply-direct.com The Perfect Response for Accelerated Oxidative Stability Testing
The Velp Scientifica OXITEST is the perfect response for accelerated oxidative stability testing, both on raw materials and finished products. The determination of the oxidative stability is performed directly on the whole sample be it solid, liquid or doughy, with no need for preliminary fat separation, ensuring representative results.
The sample is weighed in the titanium sample holder, placed into one of the two independent titanium chambers and submitted to oxygen over-pressure of pure oxygen and high constant temperature. These two conditions drastically reduce the analysis time.
The OXITEST measures the absolute pressure change inside two independent, closed and thermostatted chambers, monitoring the oxygen uptake by reactive components present in the sample. Results are expressed through an oxidation curve, characterised by an induction period (IP), that is the time required to reach the starting point of oxidation, corresponding to either a level of detectable rancidity or a sudden change in the rate of oxidation.
The longer the induction period, the higher the stability against oxidation over time. The OXITEST can be used on various sample types, being the optimal solution especially designed for R&D, Product Development and Quality Control labs in food, cosmetic and petrochemical industries.
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New Selective Listeria Express Enrichment Broth also Enhances Expression of Target Antigens for Downstream Testing
Lab M has launched Listeria Express Enrichment (LEE) Broth, a new addition to the company’s extensive range of media for the detection and isolation of Listeria. Developed to give improved growth rates of Listeria over traditional selective enrichment media, LEE Broth enhances the expression of target antigens for most commercially available immunological test methods whilst maintaining suppression of non-target organisms.
Key to both the efficacy and convenience of Lab M’s LEE Broth is the blending of selective components directly into the medium, eliminating any need for supplementation. LEE Broth is formulated to stimulate growth from low numbers of organisms in the original sample to achieve the high levels required for further testing within a 24-hour incubation period.
Lab M’s LEE Broth can be used in a number of ways. Ideal for enrichment prior to plating on selective media such as Harlequin™ Listeria Chromogenic Agar, it is also highly effective as a secondary selective enrichment broth following primary enrichment in, for example, Half Fraser Broth. It performs particularly well as the enrichment step for subsequent rapid Anchortesting in ELISA, lateral flow devices or PCR, for example.
As well as the new LEE Broth, the extensive portfolio of media available from Lab M for Listeria testing now includes: Harlequin™ Listeria Chromogenic Agar, available as dehydrated culture medium or as ready-to-use prepared plates; a variety of enrichment media for use in different protocols; Listeria Isolation Medium, Oxford (ISO); Listeria Monocytogenes Blood Agar (LMBA).
29142pr@reply-direct.com Applications for Comprehensive QC of Edible Fats and Oils
Metrohm is pleased to publish an Application Bulletin (AB 141) presenting applications for the determination of key parameters in QC of edible oils and fats. AB 141 can be downloaded free from the company webpage
metrohm.com
AB 141 describes the following analytical methods for edible fats and oils: Water content according to Karl Fischer; Oxidation stability, Rancimat method; Iodine value; Peroxide value; Saponification value; Acid value, free fatty acids (FFA); Hydroxyl value; Nickel traces, using polarography.
Special care was taken to avoid chlorinated solvents in these methods. Also as many methods as possible were automated.
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