3-hour Alicyclobacillus test

Alicyclobacillus (ACB) species are bacteria which are resistant to low pH and pasteurisation. They produce off-flavour and aroma compounds that spoil juice products.

Current methods for ACB testing are laborious and require over 7 days to yield definitive results. These limitations make it impossible to address these spoilage organisms in real-time, and can result in facility contamination, product holds, or recall of tainted products.

Invisible Sentinel, a global molecular solutions company, has partnered with Refresco Gerber, an international bottler of juice and soft drinks, to produce and validate a new method for rapid detection of ACB.

The new test, Veriflow ACB, uses novel PCR technology to provide a simple method which yields qualitative and quantitative results in less than 3 hours. The test requires a minimal amount of equipment and hands on time, meaning the test can be easily used on site.

“We are continuously working to provide our clients with the highest quality standards in the industry,” said Andrew Prewer, Raw Materials Technical Manager at Refresco Gerber UK. “We partnered with Invisible Sentinel on Veriflow ACB to improve quality control and maintain product integrity, assuring that packaged products leaving our facilities are of the highest possible taste and freshness.”

Veriflow ACB is available in Australia from Australasian Medical and Scientific Limited.

New packaging protects food from harmful mineral oils

Many packaged foods contain mineral oils, which are potentially unsafe for human consumption. Finnish company Walki has developed Mineral Oil Safe Technology (MOST), an efficient extrusion coating that keeps mineral oil away from our food.

“Mineral oil contains Mineral Oil Aromatic Hydrocarbon (MOAH), which is especially harmful to humans because our systems can’t break it down. It accumulates inside our bodies when we eat food that contains MOAH,” says Mirka Nevala, Walki’s VP for Business Development.

MOSH (Mineral Oil Saturated Hydrocarbon) and MOAH (Mineral Oil Aromatic Hydrocarbon) are commonly used in industrial inks and can sometimes be found in printing dyes for packaging materials. According to a study published by Dr. Koni Grob et al. and the Swiss Official Food Control Authority, dry food runs a significant risk of mineral oil contamination originating from recycled fibre-based packaging materials.

Walki has developed Walki Pack MOST (Mineral Oil Safe Technology), a polymer laminate packaging product that provides the most effective barrier of its kind against mineral-oil contamination. In addition to shutting out grease and water, this glueable, sealable and recyclable packaging solution also provides a secure polymer barrier against mineral oil contamination.

Walki Pack MOST creates a barrier against other unwelcome substances, such as Benzophenone, Bisphenol A, DIPN and softeners, which could be found in recycled fibres. It also prevents cross contamination from other transport packaging. Walki Pack MOST has been approved for direct food contact, in accordance with EU directive 10/2011.

“This product will enable the food-packing industry to solve the growing issue of contaminated food,” explains Stefan Erdmann, Technical Service & Development Manager for Walki’s Barrier Board products. 

Nitrogen generators for food manufacturers

The use of nitrogen in food packaging has been widespread for several years. Primarily used as a non-chemical method of food preservation, nitrogen meets the demands of the food industry for ready availability of everything from exotic tropical fruits to bread, rice and potatoes throughout the year regardless of season and location. 

There is also the additional pressure of making fruits, vegetables and various other perishables available all year round in ‘just produced’ condition at competitive, affordable prices.

Nitrogen gas generators enable food manufacturers to package their goods in the most durable and purified manner possible and meet these demands head on. Nitrogen can improve the quality and expand the availability of perishable commodities without leaving any chemical residue.

Sullair’s Hollow Fibre Membranes and Pressure Swing Adsorption (PSA) nitrogen gas generators provide a solution for every food and industrial application that requires nitrogen gas with residual oxygen levels from 16% down to 10ppm (up to 99.999 % purity).

Nitrogen does not react with elements around it, and therefore, can be used to displace oxygen inside produce storage facilities, slowing down the ripening process and allowing the fruit to remain viable during the transport process.

Used inside food packaging to prevent oxidation and spoilage of raw food ingredients, nitrogen helps manufacturers achieve a meaningful shelf-life extension for their products.

Sullair nitrogen gas generators deliver multiple advantages in modified atmosphere packaging (MAP) applications including preservation of product flavour, aroma, texture and nutritional value; increased sales through high product quality; fewer product returns; increased production efficiency with longer production runs; better product colour and texture at point of sale; extended shelf life; and increased export opportunities to new geographic markets.

 

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