Why is testing for Acetic Acid important in winemaking?
Acetic Acid in winemaking
When it comes to winemaking, the acidity in wine is an important component for the quality and taste. It adds a sharpness to the flavours and is detected most readily by a prickling sensation on the sides of the tongue and a mouth-watering aftertaste.
Acetic acid is a two-carbon organic acid produced in wine during or after the fermentation period. It is the most volatile of the primary acids associated with wine and is responsible for the sour taste of vinegar.
During fermentation, activity by yeast cells naturally produces a small amount of acetic acid. If the wine is exposed to oxygen, Acetobacter bacteria will convert the ethanol into acetic acid. This process is known as the “acetification” of wine and is the primary process behind wine degradation into vinegar.
|RX misano||0.117 g/l||Conc. Of standard|
|RX Monaco||0.03 g/l||Conc. Of standard|
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New antimicrobial resistance findings released by the European Centre for Disease Prevention and Control (ECDC) and the European Food Safety Authority (EFSA) have reported that antimicrobials used to treat diseases can be transmitted between animals and humans. The report presents data from 28 European Union (EU) Member States on humans, pigs, and calves under one year old.
Discussing the report, Poultry World documented that resistance to fluoroquinolones is now so high in Campylobacter bacteria that these antimicrobials no longer work for treatment of severe cases. Studies found that in Campylobacter, extremely high proportions of bacteria were resistant to ciprofloxacin and tetracyclines.
Despite the increase of antimicrobial resistance, Member States that have implemented stringent policies are noteworthy examples for other countries. Broiler farms in the United Kingdom (UK) reduced their antibiotic use by 82% between 2012 and 2017, producing half the meat eaten in the UK and using less than 9.7% of the total antibiotics licensed for food-producing animals.
In the UK, the poultry industry set up the Antibiotic Stewardship group in 2011 to tackle antimicrobial resistance and pre-empt the need for new laws. Coordinated by the British Poultry Council (BPC), participants worked together, shared industry data, and managed a 40% reduction of antibiotic use between 2016-2017. Fluoroquinolone use alone reduced by 91% in the UK. On-going work is to continue in order to improve antimicrobial use, with better data collection and advanced rapid testing methods for antimicrobial sensitivity.
Randox Food Diagnostics recognise the need for antimicrobial detection by providing reliable and economical testing methods to monitor multiple residues from a single sample with Biochip Array Technology. With the Antimicrobial II Array Plus, Randox Food Diagnostic’s offer the detection of 6 classes of antimicrobial compounds including quinolones and tetracycline from urine and tissue samples. Additionally, our tetracycline sensitive and quinolones ELISA kits rapidly uncover additional analytes, with excellent sensitivity levels.
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The NHS are rolling out electronic prescribing in the fight against antibiotic resistance.
A recent article in the Telegraph newspaper reports that;
“Health chiefs have drawn up the plans amid warnings that antibiotic resistance now poses as great a threat as climate change.”
Matt Hancock, the Secretary of State for Health and Social Care UK will be informing attendees of the World Economic Forum in Davos that “we are on the cusp of a world where a simple graze could be deadly”. He has stated that it needs to be treated as a “global health emergency” and wants to cut the use of drugs across the country by 15% by setting targets.
The head of the NHS Mr Simon Stevens, said that; “much of the change would be achieved by the rollout electronic prescribing across the health service.” This would allow health officials to detect areas that are prescribing the most antibiotics so that they can try and persuade medics to cut down.
Prime Minister Theresa May said: “The increase in antibiotic resistance is a threat we cannot afford to ignore.
“Government data shows that, since 2014, the UK has cut the amount of antibiotics it uses by more than 7 per cent and sales of antibiotics for use in food-producing animals has dropped by 40 per cent.”
“The amount of antimicrobials used in food production internationally is at least the same as that in humans, and in some places is higher. For example, in the US more than 70% of antibiotics that are medically important for humans are used in animals.
“When properly used, antibiotics are essential for treating infections in animals, but excessive and inappropriate use of the drugs is a problem.
A considerable amount of antibiotics are used in healthy animals to prevent infection or speed up their growth. This is particularly the case in intensive farming, where animals are kept in confined conditions.”
Randox Food Diagnostics have developed Biochip Array Technology a multiplexing platform which allows the screening of up to 54 food/feed samples for a large range of antibiotics in under 3 hours on the Randox Evidence Investigator analyser.
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Improving global dairy standards is the focus for Randox Food Diagnostics, which is demonstrating its latest advancement – the ‘InfiniPlex for Milk’ – at the 2017 World Dairy Summit. Over 1000 international delegates are expected to attend the event being held in Belfast’s Waterfront Hall between 30th October to 3rd November.
With maintaining consumer confidence in the safety and integrity of dairy products featuring as one of the key topics at this year’s summit, the Northern Ireland-based company is keen to showcase how it can help producers get an edge in the market through ensuring food safety.
At the International Dairy Foundation’s annual conference event Randox Food will be showcasing the InfiniPlex, an innovative system which tests for 130 restricted drugs from one sample, such as antibiotics, non-steroidial anti-inflammatory and anti-parasitic drug residues. This is the most comprehensive array on the market and achieves 98% compliance with EU regulations.
The Infiniplex also identifies a number of drug compounds which are not on the EU’s regulated list but which are unsuitable for human consumption. Using this multiplex system ensures that any Randox-tested dairy product will be the safest on the shelf.
Dr FitzGerald, Founder and Managing Director of Randox Laboratories, commented;
“It is our aim to ensure that dairy producers have access to the latest and most comprehensive milk safety screening technologies. The Infiniplex for Milk is the world’s first screening technology that ensures dairy processors are compliant with regulations. By meeting its complex needs, InfiniPlex is changing the face of the global dairy industry.”
David Ferguson, Global Business Manager for Randox Food Diagnostics, added;
“Standard industry practice means the primary residues for which screening is carried out is usually limited to two certain varieties of antibiotics. The InfiniPlex for Milk provides a unique insight into the specific combination of drug compounds detected in a single sample offering drug discrimination that allows the user to see what commercially available drug was administered at animal level. Using our multiplex testing offers the global milk industry the most comprehensive product for the analysis of veterinary drug residues in food, protecting the food industry and the consumer.”
The International Dairy Federation World Dairy Summit takes place in the Waterfront Hall. Randox Food Diagnostics can be found at Booth 5.
For further information about Randox Food Diagnostics milk testing, please visit: http://www.randoxfood.com/Matrices/Milk
For any further questions please contact Randox PR by phoning 028 9445 1016 or emailing RandoxPR@randox.com
Global leader in food screening technology, Randox Food Diagnostics have developed a range of pioneering honey quality tests which are being adopted by apiculturists across the world to ensure the safety and quality of their produce.
The array of tests, developed by the Antrim-based firm, are being showcased this week at the world’s largest apiculture meeting, the Apimondia International Conference, being held in Istanbul, Turkey from September 29th to October 4th.
The company hopes to highlight to consumers and producers about the importance of food safety, and in particular the dangers of antibacterial residue in food. Scientists have warned that antibiotics used in food production, are passing through the food chain to consumers and therefore contributing to the rise in infections caused by antibiotic-resistant bacteria.
Randox Founder and Managing Director, Dr Peter FitzGerald, commented;
“As a company committed to supporting the fight against antibiotic resistance we must continue to drive awareness amongst producers and consumers alike.
“We are working closely with industry to promote a responsible approach to antibiotic use in food production and we hope that by working with some of the biggest names in the apiculture market, other honey producers will see the benefits of being able to offer their customers complete consumer confidence in a high quality, and importantly, safe product.”
At Apimondia 2017 Randox Food Diagnostics will showcase a range of major technological advancements including the firm’s Antimicrobial Array 1 Ultra, Antimicrobial Array II Plus and Antimicrobial Array V. Thanks to Randox’s patented Biochip Array Technology, these testing panels can simultaneously screen for multiple antibiotics that are sprayed on beehives to ensure the safety of the colony, from only one sample of the produce.
Randox Food’s Antimicrobial Arrays join the company’s already extensive menu of honey screening tests, including its test for Hydroxymethylfurfural (HMF), a test for an organic compound produced by dehydration of sugars, which can be indicative of overheating, poor storage conditions or aged honey. The test was recently validated by leading South American honey producer Geomiel, which credited Randox Food for delivering an immediate improvement in the quality of its honey products.
David Ferguson, Global Business Manager for Randox Food Diagnostics, commented;
“We welcome the fact that so many of the world’s leading producers, including Geomiel, have embraced our vision of continuously improving testing standards.
“We have invested a lot in simplifying the process of conducting multiple tests, and consolidating this onto one unique biochip is a cost-effective way for the honey industry to maintain and improve standards. Apimondia 2017 attendees will be offered a complete testing bundle – including our popular analysers, the Randox Evidence Investigator and RX misano, to enable them to test for antibiotics and assess quality in one easy-to-manage system.
“Another unique feature of what we offer here at Randox Food Diagnostics is our ever-expanding test menu. The RX misano for example has a customisable test menu which allows clients to upload new parameters using USB, ensuring access to the most up-to-date tests on the market.
“We will be inviting Apimondia guests to learn more about the upcoming launch of our new pesticide tests, which will provide multiple results for the world’s most prevalent pesticides, such as Amitraz, Acetamiprid, Carbofuran, Carbaryl, and Paraquar. We remain committed to supporting food producers by providing them with the newest and highest quality tests.”
For further information about Randox Food Diagnostics honey testing, please visit: http://www.randoxfood.com/Matrices/Honey
For any further questions please contact Randox PR by phoning 028 9445 1016 or emailing RandoxPR@randox.com