Wednesday, August 12, 2015

12/08/2015: R-Biopharm Rhône offers more efficient and faster tests for histamine in fish

R-Biopharm has created a new safety test for the UK fishing and fish processing industry providing a faster and more efficient way to detect toxins in fish.

The R-Biopharm diagnostic test kit, which can pinpoint minute quantities of histamine, is significantly more sensitive than tests already on the market and detects lower levels of the toxin which can produce symptoms similar to an allergic reaction.

The kit will be of major importance to the vital fishing sector. It has been hit by publicity surrounding histamine reactions, which have affected thousands of people round the world and hundreds in the UK alone.

The new test now uses a hot water extraction which makes detection more efficient and, since it has fewer steps, it is faster.

Simon Bevis, Managing Director of R-Biopharm Rhône, said: "The kit we are offering to the market has considerable advantages over current offerings, and will be of interest to all parties engaged in safety within the fishing industry.
Image: Jenny Downing
"With this new test kit, all reagents are ready to use instead of requiring preparation such as dilution and it offers more tests in a pack. Elements such as spiking solution are included instead of having to be bought separately - allowing testers to validate results easily at no additional cost.

"The results can be easily calculated using our software, making it a first choice for companies and labs which are charged with compliance with European legislation regarding histamine levels."

One major testing lab which has been using R-Biopharm Rhône test kits for 15 years said: "We knew our existing method of testing was time consuming and laborious and the handling of concentrated standards was hazardous, so we were delighted to try out the new kit.

"The results were excellent and we validated the method against our existing method and certified standard reference materials.

"Due to the speed and efficiency of the kit and our confidence in it we have been able to successfully run a histamine project. This focused on ascertaining how sample handling and storage conditions affect the degradation of tuna loins and the point at which the essential amino acid histadine is converted to histamine.  We found some tuna loins to have levels as high as 400 mg/100g."

The histamine test is the latest in a series of food safety initiatives from R-Biopharm Rhône, which was at the forefront of food safety in the horsemeat scandal of 2012 and has spearheaded investigatory testing as concerns mount about cheap fish being substituted for expensive fish.

Its current histamine test is particularly relevant to products such as tuna, mackerel, anchovy, herring, bluefish, sardines, pilchards, marlin and even salmon.

Histamine occurs naturally when some foods spoil, and what makes it problematic is that it is not depleted by food processing. The toxin survives cooking, canning and freezing and may be undetectable unless chemically analysed.

Histamine can occur in fast swimming and migratory finfish with red coloured meat. The symptoms appear quickly and include oral burning or tingling, skin rash, localised inflammation, hypotension, headaches and flushing, which can lead to misdiagnosis and the wrong treatment.

R-Biopharm Rhône, which is based in the West of Scotland Science Park in Glasgow, now employs 50 people, including 15 research and development scientists.

Visit the
R-Biopharm Rhône website HERE.

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