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New Zebron GC Columns
Product News

New Zebron GC Columns

New Zebron GC Columns
Product News

New Zebron GC Columns


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Phenomenex introduces a trio of Zebron GC columns specially developed for the analysis of fatty acid methyl esters (FAME) in food. Identification and measurement of these compounds in food products such as cheese, peanut butter, infant formula, cooking oils and oil-based nutritional supplements is increasingly important in meeting labeling requirements and testing for product adulteration.

The Zebron ZB-FAME leads the new trio of Phenomenex GC columns. This stationary phase offers selectivity targeting a 37-compound mix, in a column that’s much shorter than traditional solutions. The shorter column reduces run times to about 11 minutes – a decrease of 75 percent or more – while still providing Rs values of 1.0 or greater. Its optimized high-cyanopropyl chemistry delivers the required high polarity for the separation of cis/trans FAME isomers and meets the guidelines of AOAC, AOCS and IOC methods. Zebron ZB-FAME columns also come with a guarantee based on Phenomenex’ unique QC testing protocols, where every column is individually QC-tested against the target 37 compounds for FAME analysis.

"Cis/trans FAME analysis has historically been carried out with long columns, which produce corresponding long run times," explained Kristen Parnell, product marketing manager for Phenomenex. "With our innovative new chemistry, we've been able to improve the separations to such a degree that they can be carried out on far shorter columns, saving analysts up to 45 minutes per run."" The new chemistry is stable enough to withstand temperatures as high as 280 ˚C, enabling inclusion of column baking steps to remove contaminants traditionally left behind when analyzing food samples, improving column lifetime.

Second in the new trio is Zebron ZB-88 – a new GC alternative to other 88-phase columns for the separation of cis/trans isomers. This column is well suited for the analysis of olive and hydrogenated oils. The third new column, Zebron ZB-23, is a cost-effective alternative to existing 23-phase columns for the separation of cis/trans isomers in a group of products that includes omega-3 and fish oils. Both the ZB-88 and ZB-23 columns can be used in direct substitution for traditional products recommended for use with regulatory methods.

"These three new columns for FAME analysis add to the portfolio we already have in place for food testing," said Parnell. "Our focus is on keeping our ears to the ground in this dynamic industry, listening to the evolving needs of customers and developing innovative solutions to meet them."

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